1
#!/usr/bin/python3 -bbI
2
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2009-2019 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
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
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
16
# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
17
# GNU General Public License for more details.
21
19
# You should have received a copy of the GNU General Public License
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,
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
22
# Contact the authors at <mandos@fukt.bsnet.se>.
30
from future_builtins import *
25
from __future__ import division, absolute_import, print_function, unicode_literals
41
33
import urwid.curses_display
44
36
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GLib
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)
45
locale.setlocale(locale.LC_ALL, '')
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
69
50
# Some useful constants
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"
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)
81
64
def isoformat_to_datetime(iso):
82
65
"Parse an ISO 8601 date string to a datetime.datetime()"
94
int(second), # Whole seconds
95
int(fraction*1000000)) # Microseconds
98
class MandosClientPropertyCache:
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
80
class MandosClientPropertyCache(object):
99
81
"""This wraps a Mandos Client D-Bus proxy object, caches the
100
82
properties and calls a hook function when any of them are
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.
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.
123
106
# Update properties dict with new value
124
if interface == client_interface:
125
self.properties.update(properties)
128
self.property_changed_match.remove()
131
class MandosClientWidget(MandosClientPropertyCache, urwid.Widget):
107
self.properties[property] = value
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
132
111
"""A Mandos Client which is visible on the screen.
135
_sizing = frozenset(["flow"])
137
114
def __init__(self, server_proxy_object=None, update_hook=None,
138
delete_hook=None, **kwargs):
115
delete_hook=None, logger=None, *args, **kwargs):
139
116
# Called on update
140
117
self.update_hook = update_hook
141
118
# Called on delete
142
119
self.delete_hook = delete_hook
143
120
# Mandos Server proxy object
144
121
self.server_proxy_object = server_proxy_object
146
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
148
129
# The widget shown normally
149
130
self._text_widget = urwid.Text("")
150
131
# The widget shown when we have focus
151
132
self._focus_text_widget = urwid.Text("")
152
super(MandosClientWidget, self).__init__(**kwargs)
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
154
137
self.opened = False
156
self.match_objects = (
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",
177
log.debug("Created client %s", self.properties["Name"])
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))
179
184
def using_timer(self, flag):
180
185
"""Call this method with True or False when timer should be
181
186
activated or deactivated.
183
if flag and self._update_timer_callback_tag is None:
184
# Will update the shown timer value every second
185
self._update_timer_callback_tag = (
186
GLib.timeout_add(1000,
187
glib_safely(self.update_timer)))
188
elif not (flag or self._update_timer_callback_tag is None):
189
GLib.source_remove(self._update_timer_callback_tag)
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)
190
199
self._update_timer_callback_tag = None
192
201
def checker_completed(self, exitstatus, condition, command):
193
202
if exitstatus == 0:
194
log.debug('Checker for client %s (command "%s")'
195
" succeeded", self.properties["Name"], command)
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))
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
199
215
if os.WIFEXITED(condition):
200
log.info('Checker for client %s (command "%s") failed'
201
" with exit code %d", self.properties["Name"],
202
command, os.WEXITSTATUS(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)))
203
220
elif os.WIFSIGNALED(condition):
204
log.info('Checker for client %s (command "%s") was'
205
" killed by signal %d", self.properties["Name"],
206
command, os.WTERMSIG(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'
209
234
def checker_started(self, command):
210
"""Server signals that a checker started."""
211
log.debug('Client %s started checker "%s"',
212
self.properties["Name"], command)
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
214
239
def got_secret(self):
215
log.info("Client %s received its secret",
216
self.properties["Name"])
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
218
244
def need_approval(self, timeout, default):
220
message = "Client %s needs approval within %f seconds"
246
message = 'Client %s needs approval within %s seconds'
222
message = "Client %s will get its secret in %f seconds"
223
log.info(message, self.properties["Name"], timeout/1000)
248
message = 'Client %s will get its secret in %s seconds'
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
225
253
def rejected(self, reason):
226
log.info("Client %s was rejected; reason: %s",
227
self.properties["Name"], reason)
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
229
257
def selectable(self):
230
258
"""Make this a "selectable" widget.
231
This overrides the method from urwid.Widget."""
259
This overrides the method from urwid.FlowWidget."""
234
262
def rows(self, maxcolrow, focus=False):
235
263
"""How many rows this widget will occupy might depend on
236
264
whether we have focus or not.
237
This overrides the method from urwid.Widget"""
265
This overrides the method from urwid.FlowWidget"""
238
266
return self.current_widget(focus).rows(maxcolrow, focus=focus)
240
268
def current_widget(self, focus=False):
241
269
if focus or self.opened:
242
270
return self._focus_widget
243
271
return self._widget
245
273
def update(self):
246
274
"Called when what is visible on the screen should be updated."
247
275
# How to add standout mode to a style
248
with_standout = {"normal": "standout",
249
"bold": "bold-standout",
251
"underline-blink-standout",
252
"bold-underline-blink":
253
"bold-underline-blink-standout",
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
256
284
# Rebuild focus and non-focus widgets using current properties
258
286
# Base part of a client. Name!
259
base = "{name}: ".format(name=self.properties["Name"])
288
% {"name": self.properties["Name"]})
260
289
if not self.properties["Enabled"]:
261
290
message = "DISABLED"
262
self.using_timer(False)
263
291
elif self.properties["ApprovalPending"]:
264
timeout = datetime.timedelta(
265
milliseconds=self.properties["ApprovalDelay"])
292
timeout = datetime.timedelta(milliseconds
266
295
last_approval_request = isoformat_to_datetime(
267
296
self.properties["LastApprovalRequest"])
268
297
if last_approval_request is not None:
269
timer = max(timeout - (datetime.datetime.utcnow()
270
- last_approval_request),
271
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
273
301
timer = datetime.timedelta()
274
302
if self.properties["ApprovedByDefault"]:
275
message = "Approval in {}. (d)eny?"
277
message = "Denial in {}. (a)pprove?"
278
message = message.format(str(timer).rsplit(".", 1)[0])
279
self.using_timer(True)
280
elif self.properties["LastCheckerStatus"] != 0:
281
# When checker has failed, show timer until client expires
282
expires = self.properties["Expires"]
284
timer = datetime.timedelta(0)
286
expires = (datetime.datetime.strptime
287
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
288
timer = max(expires - datetime.datetime.utcnow(),
289
datetime.timedelta())
290
message = ("A checker has failed! Time until client"
292
.format(str(timer).rsplit(".", 1)[0]))
293
self.using_timer(True)
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])
295
320
message = "enabled"
296
self.using_timer(False)
297
self._text = "{}{}".format(base, message)
321
self._text = "%s%s" % (base, message)
299
323
if not urwid.supports_unicode():
300
324
self._text = self._text.encode("ascii", "replace")
301
325
textlist = [("normal", self._text)]
311
335
# Run update hook, if any
312
336
if self.update_hook is not None:
313
337
self.update_hook()
315
339
def update_timer(self):
316
"""called by GLib. Will indefinitely loop until
317
GLib.source_remove() on tag is called
320
342
return True # Keep calling this
322
def delete(self, **kwargs):
323
345
if self._update_timer_callback_tag is not None:
324
GLib.source_remove(self._update_timer_callback_tag)
346
gobject.source_remove(self._update_timer_callback_tag)
325
347
self._update_timer_callback_tag = None
326
for match in self.match_objects:
328
self.match_objects = ()
329
348
if self.delete_hook is not None:
330
349
self.delete_hook(self)
331
return super(MandosClientWidget, self).delete(**kwargs)
333
351
def render(self, maxcolrow, focus=False):
334
352
"""Render differently if we have focus.
335
This overrides the method from urwid.Widget"""
353
This overrides the method from urwid.FlowWidget"""
336
354
return self.current_widget(focus).render(maxcolrow,
339
357
def keypress(self, maxcolrow, key):
341
This overrides the method from urwid.Widget"""
359
This overrides the method from urwid.FlowWidget"""
343
self.proxy.Set(client_interface, "Enabled",
344
dbus.Boolean(True), ignore_reply=True,
345
dbus_interface=dbus.PROPERTIES_IFACE)
361
self.proxy.Enable(dbus_interface = client_interface)
347
self.proxy.Set(client_interface, "Enabled", False,
349
dbus_interface=dbus.PROPERTIES_IFACE)
363
self.proxy.Disable(dbus_interface = client_interface)
351
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
352
dbus_interface=client_interface,
366
dbus_interface = client_interface)
355
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
356
dbus_interface=client_interface,
369
dbus_interface = client_interface)
358
370
elif key == "R" or key == "_" or key == "ctrl k":
359
371
self.server_proxy_object.RemoveClient(self.proxy
363
self.proxy.Set(client_interface, "CheckerRunning",
364
dbus.Boolean(True), ignore_reply=True,
365
dbus_interface=dbus.PROPERTIES_IFACE)
374
self.proxy.StartChecker(dbus_interface = client_interface)
367
self.proxy.Set(client_interface, "CheckerRunning",
368
dbus.Boolean(False), ignore_reply=True,
369
dbus_interface=dbus.PROPERTIES_IFACE)
376
self.proxy.StopChecker(dbus_interface = client_interface)
371
self.proxy.CheckedOK(dbus_interface=client_interface,
378
self.proxy.CheckedOK(dbus_interface = client_interface)
374
380
# elif key == "p" or key == "=":
375
381
# self.proxy.pause()
383
def properties_changed(self, interface, properties, invalidated):
384
"""Call self.update() if any properties changed.
389
def property_changed(self, property=None, value=None,
391
"""Call self.update() if old value is not new value.
385
392
This overrides the method from MandosClientPropertyCache"""
386
old_values = {key: self.properties.get(key)
387
for key in properties.keys()}
388
super(MandosClientWidget, self).properties_changed(
389
interface, properties, invalidated)
390
if any(old_values[key] != self.properties.get(key)
391
for key in old_values):
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:
395
def glib_safely(func, retval=True):
396
def safe_func(*args, **kwargs):
398
return func(*args, **kwargs)
405
401
class ConstrainedListBox(urwid.ListBox):
406
402
"""Like a normal urwid.ListBox, but will consume all "up" or
407
403
"down" key presses, thus not allowing any containing widgets to
408
404
use them as an excuse to shift focus away from this widget.
410
def keypress(self, *args, **kwargs):
411
ret = (super(ConstrainedListBox, self)
412
.keypress(*args, **kwargs))
406
def keypress(self, maxcolrow, key):
407
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
413
408
if ret in ("up", "down"):
413
class UserInterface(object):
419
414
"""This is the entire user interface - the whole screen
420
415
with boxes, lists of client widgets, etc.
422
417
def __init__(self, max_log_length=1000):
423
418
DBusGMainLoop(set_as_default=True)
425
420
self.screen = urwid.curses_display.Screen()
427
422
self.screen.register_palette((
429
424
"default", "default", None),
431
"bold", "default", "bold"),
426
"default", "default", "bold"),
432
427
("underline-blink",
433
"underline,blink", "default", "underline,blink"),
428
"default", "default", "underline"),
435
"standout", "default", "standout"),
430
"default", "default", "standout"),
436
431
("bold-underline-blink",
437
"bold,underline,blink", "default",
438
"bold,underline,blink"),
432
"default", "default", ("bold", "underline")),
439
433
("bold-standout",
440
"bold,standout", "default", "bold,standout"),
434
"default", "default", ("bold", "standout")),
441
435
("underline-blink-standout",
442
"underline,blink,standout", "default",
443
"underline,blink,standout"),
436
"default", "default", ("underline", "standout")),
444
437
("bold-underline-blink-standout",
445
"bold,underline,blink,standout", "default",
446
"bold,underline,blink,standout"),
438
"default", "default", ("bold", "underline",
449
442
if urwid.supports_unicode():
450
self.divider = "─" # \u2500
443
self.divider = "─" # \u2500
444
#self.divider = "━" # \u2501
452
self.divider = "_" # \u005f
446
#self.divider = "-" # \u002d
447
self.divider = "_" # \u005f
454
449
self.screen.start()
456
451
self.size = self.screen.get_cols_rows()
458
453
self.clients = urwid.SimpleListWalker([])
459
454
self.clients_dict = {}
461
456
# We will add Text widgets to this list
462
self.log = urwid.SimpleListWalker([])
463
458
self.max_log_length = max_log_length
465
460
# We keep a reference to the log widget so we can remove it
466
461
# from the ListWalker without it getting destroyed
467
462
self.logbox = ConstrainedListBox(self.log)
469
464
# This keeps track of whether self.uilist currently has
470
465
# self.logbox in it or not
471
466
self.log_visible = True
472
467
self.log_wrap = "any"
474
self.loghandler = UILogHandler(self)
477
self.add_log_line(("bold",
478
"Mandos Monitor version " + version))
479
self.add_log_line(("bold", "q: Quit ?: Help"))
481
self.busname = domain + ".Mandos"
482
self.main_loop = GLib.MainLoop()
484
def client_not_found(self, key_id, address):
485
log.info("Client with address %s and key ID %s could"
486
" not be found", address, key_id)
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,
488
525
def rebuild(self):
489
526
"""This rebuilds the User Interface.
490
527
Call this when the widget layout needs to change"""
492
# self.uilist.append(urwid.ListBox(self.clients))
529
#self.uilist.append(urwid.ListBox(self.clients))
493
530
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
495
# header=urwid.Divider(),
532
#header=urwid.Divider(),
497
footer=urwid.Divider(
498
div_char=self.divider)))
535
urwid.Divider(div_char=
499
537
if self.log_visible:
500
538
self.uilist.append(self.logbox)
501
540
self.topwidget = urwid.Pile(self.uilist)
503
def add_log_line(self, markup):
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."""
504
548
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
if self.max_log_length:
506
if len(self.log) > self.max_log_length:
507
del self.log[0:(len(self.log) - self.max_log_length)]
508
self.logbox.set_focus(len(self.logbox.body.contents)-1,
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),
509
553
coming_from="above")
512
556
def toggle_log_display(self):
513
557
"""Toggle visibility of the log buffer."""
514
558
self.log_visible = not self.log_visible
516
log.debug("Log visibility changed to: %s", self.log_visible)
560
#self.log_message("Log visibility changed to: "
561
# + unicode(self.log_visible))
518
563
def change_log_display(self):
519
564
"""Change type of log display.
520
565
Currently, this toggles wrapping of text lines."""
524
569
self.log_wrap = "clip"
525
570
for textwidget in self.log:
526
571
textwidget.set_wrap_mode(self.log_wrap)
527
log.debug("Wrap mode: %s", self.log_wrap)
529
def find_and_remove_client(self, path, interfaces):
530
"""Find a client by its object path and remove it.
532
This is connected to the InterfacesRemoved signal from the
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
533
578
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
538
580
client = self.clients_dict[path]
541
log.warning("Unknown client %s removed", path)
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
584
self.remove_client(client, path)
586
def add_new_client(self, path):
554
587
client_proxy_object = self.bus.get_object(self.busname, path)
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
properties=dict(ifs_and_props[client_interface])),
588
self.add_client(MandosClientWidget(server_proxy_object
591
=client_proxy_object,
563
600
def add_client(self, client, path=None):
564
601
self.clients.append(client)
566
603
path = client.proxy.object_path
567
604
self.clients_dict[path] = client
568
self.clients.sort(key=lambda c: c.properties["Name"])
605
self.clients.sort(None, lambda c: c.properties["Name"])
571
608
def remove_client(self, client, path=None):
572
609
self.clients.remove(client)
574
611
path = client.proxy.object_path
575
612
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([])
578
620
def refresh(self):
579
621
"""Redraw the screen"""
580
622
canvas = self.topwidget.render(self.size, focus=True)
581
623
self.screen.draw_screen(self.size, canvas)
584
626
"""Start the main loop and exit when it's done."""
585
log.addHandler(self.loghandler)
586
self.orig_log_propagate = log.propagate
587
log.propagate = False
588
self.orig_log_level = log.level
590
self.bus = dbus.SystemBus()
591
mandos_dbus_objc = self.bus.get_object(
592
self.busname, "/", follow_name_owner_changes=True)
593
self.mandos_serv = dbus.Interface(
594
mandos_dbus_objc, dbus_interface=server_interface)
596
mandos_clients = (self.mandos_serv
597
.GetAllClientsWithProperties())
598
if not mandos_clients:
599
log.warning("Note: Server has no clients.")
600
except dbus.exceptions.DBusException:
601
log.warning("Note: No Mandos server running.")
602
mandos_clients = dbus.Dictionary()
605
.connect_to_signal("InterfacesRemoved",
606
self.find_and_remove_client,
607
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
610
.connect_to_signal("InterfacesAdded",
612
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
615
.connect_to_signal("ClientNotFound",
616
self.client_not_found,
617
dbus_interface=server_interface,
619
for path, client in mandos_clients.items():
620
client_proxy_object = self.bus.get_object(self.busname,
622
self.add_client(MandosClientWidget(
623
server_proxy_object=self.mandos_serv,
624
proxy_object=client_proxy_object,
626
update_hook=self.refresh,
627
delete_hook=self.remove_client),
631
self._input_callback_tag = (
633
GLib.IOChannel.unix_new(sys.stdin.fileno()),
634
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
635
glib_safely(self.process_input)))
628
self._input_callback_tag = (gobject.io_add_watch
636
632
self.main_loop.run()
637
633
# Main loop has finished, we should close everything now
638
GLib.source_remove(self._input_callback_tag)
639
with warnings.catch_warnings():
640
warnings.simplefilter("ignore", BytesWarning)
634
gobject.source_remove(self._input_callback_tag)
644
638
self.main_loop.quit()
645
log.removeHandler(self.loghandler)
646
log.propagate = self.orig_log_propagate
648
640
def process_input(self, source, condition):
649
641
keys = self.screen.get_input()
650
translations = {"ctrl n": "down", # Emacs
651
"ctrl p": "up", # Emacs
652
"ctrl v": "page down", # Emacs
653
"meta v": "page up", # Emacs
654
" ": "page down", # less
655
"f": "page down", # less
656
"b": "page up", # less
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
662
654
key = translations[key]
663
655
except KeyError: # :-)
666
658
if key == "q" or key == "Q":
669
661
elif key == "window resize":
670
662
self.size = self.screen.get_cols_rows()
672
elif key == "ctrl l":
664
elif key == "\f": # Ctrl-L
675
666
elif key == "l" or key == "D":
676
667
self.toggle_log_display()