1
#!/usr/bin/python3 -bbI
2
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2009,2010 Teddy Hogeborn
7
# Copyright © 2009,2010 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
6
# Copyright © 2009-2019 Teddy Hogeborn
7
# Copyright © 2009-2019 Björn Påhlsson
9
# This file is part of Mandos.
11
# Mandos is free software: you can redistribute it and/or modify it
12
# under the terms of the GNU General Public License as published by
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (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
# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
16
18
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
19
# GNU General Public License for more details.
19
21
# 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>.
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
24
# Contact the authors at <mandos@recompile.se>.
26
from __future__ import (division, absolute_import, print_function,
25
from __future__ import division, absolute_import, print_function, unicode_literals
30
from future_builtins import *
33
41
import urwid.curses_display
36
44
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GLib
45
locale.setlocale(locale.LC_ALL, '')
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
49
if sys.version_info.major == 2:
54
# Show warnings by default
55
if not sys.warnoptions:
56
warnings.simplefilter("default")
58
log = logging.getLogger(os.path.basename(sys.argv[0]))
59
logging.basicConfig(level="NOTSET", # Show all messages
60
format="%(message)s") # Show basic log messages
62
logging.captureWarnings(True) # Show warnings via the logging system
64
locale.setlocale(locale.LC_ALL, "")
66
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
67
logging.getLogger("urwid").setLevel(logging.INFO)
50
69
# Some useful constants
51
domain = 'se.bsnet.fukt'
52
server_interface = domain + '.Mandos'
53
client_interface = domain + '.Mandos.Client'
56
# Always run in monochrome mode
57
urwid.curses_display.curses.has_colors = lambda : False
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)
70
domain = "se.recompile"
71
server_interface = domain + ".Mandos"
72
client_interface = domain + ".Mandos.Client"
76
dbus.OBJECT_MANAGER_IFACE
77
except AttributeError:
78
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
64
81
def isoformat_to_datetime(iso):
65
82
"Parse an ISO 8601 date string to a datetime.datetime()"
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
80
class MandosClientPropertyCache(object):
94
int(second), # Whole seconds
95
int(fraction*1000000)) # Microseconds
98
class MandosClientPropertyCache:
81
99
"""This wraps a Mandos Client D-Bus proxy object, caches the
82
100
properties and calls a hook function when any of them are
85
def __init__(self, proxy_object=None, *args, **kwargs):
86
self.proxy = proxy_object # Mandos Client proxy object
88
self.properties = dict()
89
self.proxy.connect_to_signal("PropertyChanged",
90
self.property_changed,
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
102
def property_changed(self, property=None, value=None):
103
"""This is called whenever we get a PropertyChanged signal
104
It updates the changed property in the "properties" dict.
103
def __init__(self, proxy_object=None, properties=None, **kwargs):
104
self.proxy = proxy_object # Mandos Client proxy object
105
self.properties = dict() if properties is None else properties
106
self.property_changed_match = (
107
self.proxy.connect_to_signal("PropertiesChanged",
108
self.properties_changed,
109
dbus.PROPERTIES_IFACE,
112
if properties is None:
113
self.properties.update(self.proxy.GetAll(
115
dbus_interface=dbus.PROPERTIES_IFACE))
117
super(MandosClientPropertyCache, self).__init__(**kwargs)
119
def properties_changed(self, interface, properties, invalidated):
120
"""This is called whenever we get a PropertiesChanged signal
121
It updates the changed properties in the "properties" dict.
106
123
# Update properties dict with new value
107
self.properties[property] = value
124
if interface == client_interface:
125
self.properties.update(properties)
128
self.property_changed_match.remove()
110
131
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
111
132
"""A Mandos Client which is visible on the screen.
114
135
def __init__(self, server_proxy_object=None, update_hook=None,
115
delete_hook=None, logger=None, *args, **kwargs):
136
delete_hook=None, **kwargs):
116
137
# Called on update
117
138
self.update_hook = update_hook
118
139
# Called on delete
119
140
self.delete_hook = delete_hook
120
141
# Mandos Server proxy object
121
142
self.server_proxy_object = server_proxy_object
125
144
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
129
146
# The widget shown normally
130
147
self._text_widget = urwid.Text("")
131
148
# The widget shown when we have focus
132
149
self._focus_text_widget = urwid.Text("")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
150
super(MandosClientWidget, self).__init__(**kwargs)
137
152
self.opened = False
139
last_checked_ok = isoformat_to_datetime(self.properties
141
if last_checked_ok is None:
142
self.last_checker_failed = True
144
self.last_checker_failed = ((datetime.datetime.utcnow()
151
if self.last_checker_failed:
152
self.using_timer(True)
154
if self.need_approval:
155
self.using_timer(True)
157
self.proxy.connect_to_signal("CheckerCompleted",
158
self.checker_completed,
161
self.proxy.connect_to_signal("CheckerStarted",
162
self.checker_started,
165
self.proxy.connect_to_signal("GotSecret",
169
self.proxy.connect_to_signal("NeedApproval",
173
self.proxy.connect_to_signal("Rejected",
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
181
if property == "ApprovalPending":
182
using_timer(bool(value))
154
self.match_objects = (
155
self.proxy.connect_to_signal("CheckerCompleted",
156
self.checker_completed,
159
self.proxy.connect_to_signal("CheckerStarted",
160
self.checker_started,
163
self.proxy.connect_to_signal("GotSecret",
167
self.proxy.connect_to_signal("NeedApproval",
171
self.proxy.connect_to_signal("Rejected",
175
log.debug("Created client %s", self.properties["Name"])
184
177
def using_timer(self, flag):
185
178
"""Call this method with True or False when timer should be
186
179
activated or deactivated.
188
old = self._update_timer_callback_lock
190
self._update_timer_callback_lock += 1
192
self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
194
self._update_timer_callback_tag = (gobject.timeout_add
197
elif old and self._update_timer_callback_lock == 0:
198
gobject.source_remove(self._update_timer_callback_tag)
181
if flag and self._update_timer_callback_tag is None:
182
# Will update the shown timer value every second
183
self._update_timer_callback_tag = (
184
GLib.timeout_add(1000,
185
glib_safely(self.update_timer)))
186
elif not (flag or self._update_timer_callback_tag is None):
187
GLib.source_remove(self._update_timer_callback_tag)
199
188
self._update_timer_callback_tag = None
201
190
def checker_completed(self, exitstatus, condition, command):
202
191
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")'
208
# % (self.properties["Name"], command))
192
log.debug('Checker for client %s (command "%s")'
193
" succeeded", self.properties["Name"], command)
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
215
197
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)))
198
log.info('Checker for client %s (command "%s") failed'
199
" with exit code %d", self.properties["Name"],
200
command, os.WEXITSTATUS(condition))
220
201
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)))
225
elif os.WCOREDUMP(condition):
226
self.logger('Checker for client %s (command "%s")'
228
% (self.properties["Name"], command))
230
self.logger('Checker for client %s completed'
202
log.info('Checker for client %s (command "%s") was'
203
" killed by signal %d", self.properties["Name"],
204
command, os.WTERMSIG(condition))
234
207
def checker_started(self, command):
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
208
"""Server signals that a checker started."""
209
log.debug('Client %s started checker "%s"',
210
self.properties["Name"], command)
239
212
def got_secret(self):
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
213
log.info("Client %s received its secret",
214
self.properties["Name"])
244
216
def need_approval(self, timeout, default):
246
message = 'Client %s needs approval within %s seconds'
218
message = "Client %s needs approval within %f seconds"
248
message = 'Client %s will get its secret in %s seconds'
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
220
message = "Client %s will get its secret in %f seconds"
221
log.info(message, self.properties["Name"], timeout/1000)
253
223
def rejected(self, reason):
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
224
log.info("Client %s was rejected; reason: %s",
225
self.properties["Name"], reason)
257
227
def selectable(self):
258
228
"""Make this a "selectable" widget.
259
229
This overrides the method from urwid.FlowWidget."""
262
232
def rows(self, maxcolrow, focus=False):
263
233
"""How many rows this widget will occupy might depend on
264
234
whether we have focus or not.
265
235
This overrides the method from urwid.FlowWidget"""
266
236
return self.current_widget(focus).rows(maxcolrow, focus=focus)
268
238
def current_widget(self, focus=False):
269
239
if focus or self.opened:
270
240
return self._focus_widget
271
241
return self._widget
273
243
def update(self):
274
244
"Called when what is visible on the screen should be updated."
275
245
# How to add standout mode to a style
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
246
with_standout = {"normal": "standout",
247
"bold": "bold-standout",
249
"underline-blink-standout",
250
"bold-underline-blink":
251
"bold-underline-blink-standout",
284
254
# Rebuild focus and non-focus widgets using current properties
286
256
# Base part of a client. Name!
288
% {"name": self.properties["Name"]})
257
base = "{name}: ".format(name=self.properties["Name"])
289
258
if not self.properties["Enabled"]:
290
259
message = "DISABLED"
260
self.using_timer(False)
291
261
elif self.properties["ApprovalPending"]:
292
timeout = datetime.timedelta(milliseconds
262
timeout = datetime.timedelta(
263
milliseconds=self.properties["ApprovalDelay"])
295
264
last_approval_request = isoformat_to_datetime(
296
265
self.properties["LastApprovalRequest"])
297
266
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
267
timer = max(timeout - (datetime.datetime.utcnow()
268
- last_approval_request),
269
datetime.timedelta())
301
271
timer = datetime.timedelta()
302
272
if self.properties["ApprovedByDefault"]:
303
message = "Approval in %s. (d)eny?"
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
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)
316
message = ('A checker has failed! Time until client'
318
% unicode(timer).rsplit(".", 1)[0])
273
message = "Approval in {}. (d)eny?"
275
message = "Denial in {}. (a)pprove?"
276
message = message.format(str(timer).rsplit(".", 1)[0])
277
self.using_timer(True)
278
elif self.properties["LastCheckerStatus"] != 0:
279
# When checker has failed, show timer until client expires
280
expires = self.properties["Expires"]
282
timer = datetime.timedelta(0)
284
expires = (datetime.datetime.strptime
285
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
286
timer = max(expires - datetime.datetime.utcnow(),
287
datetime.timedelta())
288
message = ("A checker has failed! Time until client"
290
.format(str(timer).rsplit(".", 1)[0]))
291
self.using_timer(True)
320
293
message = "enabled"
321
self._text = "%s%s" % (base, message)
294
self.using_timer(False)
295
self._text = "{}{}".format(base, message)
323
297
if not urwid.supports_unicode():
324
298
self._text = self._text.encode("ascii", "replace")
325
299
textlist = [("normal", self._text)]
335
309
# Run update hook, if any
336
310
if self.update_hook is not None:
337
311
self.update_hook()
339
313
def update_timer(self):
314
"""called by GLib. Will indefinitely loop until
315
GLib.source_remove() on tag is called
342
318
return True # Keep calling this
320
def delete(self, **kwargs):
345
321
if self._update_timer_callback_tag is not None:
346
gobject.source_remove(self._update_timer_callback_tag)
322
GLib.source_remove(self._update_timer_callback_tag)
347
323
self._update_timer_callback_tag = None
324
for match in self.match_objects:
326
self.match_objects = ()
348
327
if self.delete_hook is not None:
349
328
self.delete_hook(self)
329
return super(MandosClientWidget, self).delete(**kwargs)
351
331
def render(self, maxcolrow, focus=False):
352
332
"""Render differently if we have focus.
353
333
This overrides the method from urwid.FlowWidget"""
354
334
return self.current_widget(focus).render(maxcolrow,
357
337
def keypress(self, maxcolrow, key):
359
339
This overrides the method from urwid.FlowWidget"""
361
self.proxy.Enable(dbus_interface = client_interface)
341
self.proxy.Set(client_interface, "Enabled",
342
dbus.Boolean(True), ignore_reply=True,
343
dbus_interface=dbus.PROPERTIES_IFACE)
363
self.proxy.Disable(dbus_interface = client_interface)
345
self.proxy.Set(client_interface, "Enabled", False,
347
dbus_interface=dbus.PROPERTIES_IFACE)
365
349
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
366
dbus_interface = client_interface)
350
dbus_interface=client_interface,
368
353
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
369
dbus_interface = client_interface)
354
dbus_interface=client_interface,
370
356
elif key == "R" or key == "_" or key == "ctrl k":
371
357
self.server_proxy_object.RemoveClient(self.proxy
374
self.proxy.StartChecker(dbus_interface = client_interface)
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(True), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
376
self.proxy.StopChecker(dbus_interface = client_interface)
365
self.proxy.Set(client_interface, "CheckerRunning",
366
dbus.Boolean(False), ignore_reply=True,
367
dbus_interface=dbus.PROPERTIES_IFACE)
378
self.proxy.CheckedOK(dbus_interface = client_interface)
369
self.proxy.CheckedOK(dbus_interface=client_interface,
380
372
# elif key == "p" or key == "=":
381
373
# self.proxy.pause()
389
def property_changed(self, property=None, value=None,
391
"""Call self.update() if old value is not new value.
381
def properties_changed(self, interface, properties, invalidated):
382
"""Call self.update() if any properties changed.
392
383
This overrides the method from MandosClientPropertyCache"""
393
property_name = unicode(property)
394
old_value = self.properties.get(property_name)
395
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
397
if self.properties.get(property_name) != old_value:
384
old_values = {key: self.properties.get(key)
385
for key in properties.keys()}
386
super(MandosClientWidget, self).properties_changed(
387
interface, properties, invalidated)
388
if any(old_values[key] != self.properties.get(key)
389
for key in old_values):
393
def glib_safely(func, retval=True):
394
def safe_func(*args, **kwargs):
396
return func(*args, **kwargs)
401
403
class ConstrainedListBox(urwid.ListBox):
402
404
"""Like a normal urwid.ListBox, but will consume all "up" or
403
405
"down" key presses, thus not allowing any containing widgets to
404
406
use them as an excuse to shift focus away from this widget.
406
def keypress(self, maxcolrow, key):
407
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
408
def keypress(self, *args, **kwargs):
409
ret = (super(ConstrainedListBox, self)
410
.keypress(*args, **kwargs))
408
411
if ret in ("up", "down"):
413
class UserInterface(object):
414
417
"""This is the entire user interface - the whole screen
415
418
with boxes, lists of client widgets, etc.
417
420
def __init__(self, max_log_length=1000):
418
421
DBusGMainLoop(set_as_default=True)
420
423
self.screen = urwid.curses_display.Screen()
422
425
self.screen.register_palette((
424
427
"default", "default", None),
426
"default", "default", "bold"),
429
"bold", "default", "bold"),
427
430
("underline-blink",
428
"default", "default", "underline"),
431
"underline,blink", "default", "underline,blink"),
430
"default", "default", "standout"),
433
"standout", "default", "standout"),
431
434
("bold-underline-blink",
432
"default", "default", ("bold", "underline")),
435
"bold,underline,blink", "default",
436
"bold,underline,blink"),
433
437
("bold-standout",
434
"default", "default", ("bold", "standout")),
438
"bold,standout", "default", "bold,standout"),
435
439
("underline-blink-standout",
436
"default", "default", ("underline", "standout")),
440
"underline,blink,standout", "default",
441
"underline,blink,standout"),
437
442
("bold-underline-blink-standout",
438
"default", "default", ("bold", "underline",
443
"bold,underline,blink,standout", "default",
444
"bold,underline,blink,standout"),
442
447
if urwid.supports_unicode():
443
self.divider = "─" # \u2500
444
#self.divider = "━" # \u2501
448
self.divider = "─" # \u2500
446
#self.divider = "-" # \u002d
447
self.divider = "_" # \u005f
450
self.divider = "_" # \u005f
449
452
self.screen.start()
451
454
self.size = self.screen.get_cols_rows()
453
456
self.clients = urwid.SimpleListWalker([])
454
457
self.clients_dict = {}
456
459
# We will add Text widgets to this list
460
self.log = urwid.SimpleListWalker([])
458
461
self.max_log_length = max_log_length
460
463
# We keep a reference to the log widget so we can remove it
461
464
# from the ListWalker without it getting destroyed
462
465
self.logbox = ConstrainedListBox(self.log)
464
467
# This keeps track of whether self.uilist currently has
465
468
# self.logbox in it or not
466
469
self.log_visible = True
467
470
self.log_wrap = "any"
472
self.loghandler = UILogHandler(self)
470
self.log_message_raw(("bold",
471
"Mandos Monitor version " + version))
472
self.log_message_raw(("bold",
475
self.busname = domain + '.Mandos'
476
self.main_loop = gobject.MainLoop()
477
self.bus = dbus.SystemBus()
478
mandos_dbus_objc = self.bus.get_object(
479
self.busname, "/", follow_name_owner_changes=True)
480
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
484
mandos_clients = (self.mandos_serv
485
.GetAllClientsWithProperties())
486
except dbus.exceptions.DBusException:
487
mandos_clients = dbus.Dictionary()
490
.connect_to_signal("ClientRemoved",
491
self.find_and_remove_client,
492
dbus_interface=server_interface,
495
.connect_to_signal("ClientAdded",
497
dbus_interface=server_interface,
500
.connect_to_signal("ClientNotFound",
501
self.client_not_found,
502
dbus_interface=server_interface,
504
for path, client in mandos_clients.iteritems():
505
client_proxy_object = self.bus.get_object(self.busname,
507
self.add_client(MandosClientWidget(server_proxy_object
510
=client_proxy_object,
520
def client_not_found(self, fingerprint, address):
521
self.log_message(("Client with address %s and fingerprint %s"
522
" could not be found" % (address,
475
self.add_log_line(("bold",
476
"Mandos Monitor version " + version))
477
self.add_log_line(("bold", "q: Quit ?: Help"))
479
self.busname = domain + ".Mandos"
480
self.main_loop = GLib.MainLoop()
482
def client_not_found(self, key_id, address):
483
log.info("Client with address %s and key ID %s could"
484
" not be found", address, key_id)
525
486
def rebuild(self):
526
487
"""This rebuilds the User Interface.
527
488
Call this when the widget layout needs to change"""
529
#self.uilist.append(urwid.ListBox(self.clients))
490
# self.uilist.append(urwid.ListBox(self.clients))
530
491
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
532
#header=urwid.Divider(),
493
# header=urwid.Divider(),
535
urwid.Divider(div_char=
495
footer=urwid.Divider(
496
div_char=self.divider)))
537
497
if self.log_visible:
538
498
self.uilist.append(self.logbox)
540
499
self.topwidget = urwid.Pile(self.uilist)
542
def log_message(self, message):
543
timestamp = datetime.datetime.now().isoformat()
544
self.log_message_raw(timestamp + ": " + message)
546
def log_message_raw(self, markup):
547
"""Add a log message to the log buffer."""
501
def add_log_line(self, markup):
548
502
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
549
if (self.max_log_length
550
and len(self.log) > self.max_log_length):
551
del self.log[0:len(self.log)-self.max_log_length-1]
552
self.logbox.set_focus(len(self.logbox.body.contents),
503
if self.max_log_length:
504
if len(self.log) > self.max_log_length:
505
del self.log[0:(len(self.log) - self.max_log_length)]
506
self.logbox.set_focus(len(self.logbox.body.contents)-1,
553
507
coming_from="above")
556
510
def toggle_log_display(self):
557
511
"""Toggle visibility of the log buffer."""
558
512
self.log_visible = not self.log_visible
560
#self.log_message("Log visibility changed to: "
561
# + unicode(self.log_visible))
514
log.debug("Log visibility changed to: %s", self.log_visible)
563
516
def change_log_display(self):
564
517
"""Change type of log display.
565
518
Currently, this toggles wrapping of text lines."""
569
522
self.log_wrap = "clip"
570
523
for textwidget in self.log:
571
524
textwidget.set_wrap_mode(self.log_wrap)
572
#self.log_message("Wrap mode: " + self.log_wrap)
574
def find_and_remove_client(self, path, name):
575
"""Find an client from its object path and remove it.
577
This is connected to the ClientRemoved signal from the
525
log.debug("Wrap mode: %s", self.log_wrap)
527
def find_and_remove_client(self, path, interfaces):
528
"""Find a client by its object path and remove it.
530
This is connected to the InterfacesRemoved signal from the
578
531
Mandos server object."""
532
if client_interface not in interfaces:
533
# Not a Mandos client object; ignore
580
536
client = self.clients_dict[path]
584
self.remove_client(client, path)
586
def add_new_client(self, path):
539
log.warning("Unknown client %s removed", path)
543
def add_new_client(self, path, ifs_and_props):
544
"""Find a client by its object path and remove it.
546
This is connected to the InterfacesAdded signal from the
547
Mandos server object.
549
if client_interface not in ifs_and_props:
550
# Not a Mandos client object; ignore
587
552
client_proxy_object = self.bus.get_object(self.busname, path)
588
self.add_client(MandosClientWidget(server_proxy_object
591
=client_proxy_object,
553
self.add_client(MandosClientWidget(
554
server_proxy_object=self.mandos_serv,
555
proxy_object=client_proxy_object,
556
update_hook=self.refresh,
557
delete_hook=self.remove_client,
558
properties=dict(ifs_and_props[client_interface])),
600
561
def add_client(self, client, path=None):
601
562
self.clients.append(client)
603
564
path = client.proxy.object_path
604
565
self.clients_dict[path] = client
605
self.clients.sort(None, lambda c: c.properties["Name"])
566
self.clients.sort(key=lambda c: c.properties["Name"])
608
569
def remove_client(self, client, path=None):
609
570
self.clients.remove(client)
611
572
path = client.proxy.object_path
612
573
del self.clients_dict[path]
613
if not self.clients_dict:
614
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
615
# is completely emptied, we need to recreate it.
616
self.clients = urwid.SimpleListWalker([])
620
576
def refresh(self):
621
577
"""Redraw the screen"""
622
578
canvas = self.topwidget.render(self.size, focus=True)
623
579
self.screen.draw_screen(self.size, canvas)
626
582
"""Start the main loop and exit when it's done."""
583
log.addHandler(self.loghandler)
584
self.orig_log_propagate = log.propagate
585
log.propagate = False
586
self.orig_log_level = log.level
588
self.bus = dbus.SystemBus()
589
mandos_dbus_objc = self.bus.get_object(
590
self.busname, "/", follow_name_owner_changes=True)
591
self.mandos_serv = dbus.Interface(
592
mandos_dbus_objc, dbus_interface=server_interface)
594
mandos_clients = (self.mandos_serv
595
.GetAllClientsWithProperties())
596
if not mandos_clients:
597
log.warning("Note: Server has no clients.")
598
except dbus.exceptions.DBusException:
599
log.warning("Note: No Mandos server running.")
600
mandos_clients = dbus.Dictionary()
603
.connect_to_signal("InterfacesRemoved",
604
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
608
.connect_to_signal("InterfacesAdded",
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
613
.connect_to_signal("ClientNotFound",
614
self.client_not_found,
615
dbus_interface=server_interface,
617
for path, client in mandos_clients.items():
618
client_proxy_object = self.bus.get_object(self.busname,
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client),
628
self._input_callback_tag = (gobject.io_add_watch
629
self._input_callback_tag = (
631
GLib.IOChannel.unix_new(sys.stdin.fileno()),
632
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
633
glib_safely(self.process_input)))
632
634
self.main_loop.run()
633
635
# Main loop has finished, we should close everything now
634
gobject.source_remove(self._input_callback_tag)
636
GLib.source_remove(self._input_callback_tag)
637
with warnings.catch_warnings():
638
warnings.simplefilter("ignore", BytesWarning)
638
642
self.main_loop.quit()
643
log.removeHandler(self.loghandler)
644
log.propagate = self.orig_log_propagate
640
646
def process_input(self, source, condition):
641
647
keys = self.screen.get_input()
642
translations = { "ctrl n": "down", # Emacs
643
"ctrl p": "up", # Emacs
644
"ctrl v": "page down", # Emacs
645
"meta v": "page up", # Emacs
646
" ": "page down", # less
647
"f": "page down", # less
648
"b": "page up", # less
648
translations = {"ctrl n": "down", # Emacs
649
"ctrl p": "up", # Emacs
650
"ctrl v": "page down", # Emacs
651
"meta v": "page up", # Emacs
652
" ": "page down", # less
653
"f": "page down", # less
654
"b": "page up", # less
654
660
key = translations[key]
655
661
except KeyError: # :-)
658
664
if key == "q" or key == "Q":
661
667
elif key == "window resize":
662
668
self.size = self.screen.get_cols_rows()
664
elif key == "\f": # Ctrl-L
670
elif key == "ctrl l":
666
673
elif key == "l" or key == "D":
667
674
self.toggle_log_display()