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 © 2009-2011 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
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)
364
self.proxy.Disable(dbus_interface = client_interface,
351
367
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
352
dbus_interface=client_interface,
368
dbus_interface = client_interface,
353
369
ignore_reply=True)
355
371
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
356
dbus_interface=client_interface,
372
dbus_interface = client_interface,
357
373
ignore_reply=True)
358
374
elif key == "R" or key == "_" or key == "ctrl k":
359
375
self.server_proxy_object.RemoveClient(self.proxy
361
377
ignore_reply=True)
363
self.proxy.Set(client_interface, "CheckerRunning",
364
dbus.Boolean(True), ignore_reply=True,
365
dbus_interface=dbus.PROPERTIES_IFACE)
379
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)
382
self.proxy.StopChecker(dbus_interface = client_interface,
371
self.proxy.CheckedOK(dbus_interface=client_interface,
385
self.proxy.CheckedOK(dbus_interface = client_interface,
372
386
ignore_reply=True)
374
388
# elif key == "p" or key == "=":
383
def properties_changed(self, interface, properties, invalidated):
384
"""Call self.update() if any properties changed.
397
def property_changed(self, property=None, value=None,
399
"""Call self.update() if old value is not new value.
385
400
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):
401
property_name = unicode(property)
402
old_value = self.properties.get(property_name)
403
super(MandosClientWidget, self).property_changed(
404
property=property, value=value, *args, **kwargs)
405
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
409
class ConstrainedListBox(urwid.ListBox):
406
410
"""Like a normal urwid.ListBox, but will consume all "up" or
407
411
"down" key presses, thus not allowing any containing widgets to
408
412
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))
414
def keypress(self, maxcolrow, key):
415
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
413
416
if ret in ("up", "down"):
421
class UserInterface(object):
419
422
"""This is the entire user interface - the whole screen
420
423
with boxes, lists of client widgets, etc.
422
425
def __init__(self, max_log_length=1000):
423
426
DBusGMainLoop(set_as_default=True)
425
428
self.screen = urwid.curses_display.Screen()
427
430
self.screen.register_palette((
429
432
"default", "default", None),
431
"bold", "default", "bold"),
434
"default", "default", "bold"),
432
435
("underline-blink",
433
"underline,blink", "default", "underline,blink"),
436
"default", "default", "underline"),
435
"standout", "default", "standout"),
438
"default", "default", "standout"),
436
439
("bold-underline-blink",
437
"bold,underline,blink", "default",
438
"bold,underline,blink"),
440
"default", "default", ("bold", "underline")),
439
441
("bold-standout",
440
"bold,standout", "default", "bold,standout"),
442
"default", "default", ("bold", "standout")),
441
443
("underline-blink-standout",
442
"underline,blink,standout", "default",
443
"underline,blink,standout"),
444
"default", "default", ("underline", "standout")),
444
445
("bold-underline-blink-standout",
445
"bold,underline,blink,standout", "default",
446
"bold,underline,blink,standout"),
446
"default", "default", ("bold", "underline",
449
450
if urwid.supports_unicode():
450
self.divider = "─" # \u2500
451
self.divider = "─" # \u2500
452
#self.divider = "━" # \u2501
452
self.divider = "_" # \u005f
454
#self.divider = "-" # \u002d
455
self.divider = "_" # \u005f
454
457
self.screen.start()
456
459
self.size = self.screen.get_cols_rows()
458
461
self.clients = urwid.SimpleListWalker([])
459
462
self.clients_dict = {}
461
464
# We will add Text widgets to this list
462
self.log = urwid.SimpleListWalker([])
463
466
self.max_log_length = max_log_length
465
468
# We keep a reference to the log widget so we can remove it
466
469
# from the ListWalker without it getting destroyed
467
470
self.logbox = ConstrainedListBox(self.log)
469
472
# This keeps track of whether self.uilist currently has
470
473
# self.logbox in it or not
471
474
self.log_visible = True
472
475
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)
478
self.log_message_raw(("bold",
479
"Mandos Monitor version " + version))
480
self.log_message_raw(("bold",
483
self.busname = domain + '.Mandos'
484
self.main_loop = gobject.MainLoop()
485
self.bus = dbus.SystemBus()
486
mandos_dbus_objc = self.bus.get_object(
487
self.busname, "/", follow_name_owner_changes=True)
488
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
492
mandos_clients = (self.mandos_serv
493
.GetAllClientsWithProperties())
494
except dbus.exceptions.DBusException:
495
mandos_clients = dbus.Dictionary()
498
.connect_to_signal("ClientRemoved",
499
self.find_and_remove_client,
500
dbus_interface=server_interface,
503
.connect_to_signal("ClientAdded",
505
dbus_interface=server_interface,
508
.connect_to_signal("ClientNotFound",
509
self.client_not_found,
510
dbus_interface=server_interface,
512
for path, client in mandos_clients.iteritems():
513
client_proxy_object = self.bus.get_object(self.busname,
515
self.add_client(MandosClientWidget(server_proxy_object
518
=client_proxy_object,
528
def client_not_found(self, fingerprint, address):
529
self.log_message(("Client with address %s and fingerprint %s"
530
" could not be found" % (address,
488
533
def rebuild(self):
489
534
"""This rebuilds the User Interface.
490
535
Call this when the widget layout needs to change"""
492
# self.uilist.append(urwid.ListBox(self.clients))
537
#self.uilist.append(urwid.ListBox(self.clients))
493
538
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
495
# header=urwid.Divider(),
540
#header=urwid.Divider(),
497
footer=urwid.Divider(
498
div_char=self.divider)))
543
urwid.Divider(div_char=
499
545
if self.log_visible:
500
546
self.uilist.append(self.logbox)
501
548
self.topwidget = urwid.Pile(self.uilist)
503
def add_log_line(self, markup):
550
def log_message(self, message):
551
timestamp = datetime.datetime.now().isoformat()
552
self.log_message_raw(timestamp + ": " + message)
554
def log_message_raw(self, markup):
555
"""Add a log message to the log buffer."""
504
556
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,
557
if (self.max_log_length
558
and len(self.log) > self.max_log_length):
559
del self.log[0:len(self.log)-self.max_log_length-1]
560
self.logbox.set_focus(len(self.logbox.body.contents),
509
561
coming_from="above")
512
564
def toggle_log_display(self):
513
565
"""Toggle visibility of the log buffer."""
514
566
self.log_visible = not self.log_visible
516
log.debug("Log visibility changed to: %s", self.log_visible)
568
#self.log_message("Log visibility changed to: "
569
# + unicode(self.log_visible))
518
571
def change_log_display(self):
519
572
"""Change type of log display.
520
573
Currently, this toggles wrapping of text lines."""
524
577
self.log_wrap = "clip"
525
578
for textwidget in self.log:
526
579
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
580
#self.log_message("Wrap mode: " + self.log_wrap)
582
def find_and_remove_client(self, path, name):
583
"""Find an client from its object path and remove it.
585
This is connected to the ClientRemoved signal from the
533
586
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
538
588
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
592
self.remove_client(client, path)
594
def add_new_client(self, path):
554
595
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])),
596
self.add_client(MandosClientWidget(server_proxy_object
599
=client_proxy_object,
563
608
def add_client(self, client, path=None):
564
609
self.clients.append(client)
566
611
path = client.proxy.object_path
567
612
self.clients_dict[path] = client
568
self.clients.sort(key=lambda c: c.properties["Name"])
613
self.clients.sort(None, lambda c: c.properties["Name"])
571
616
def remove_client(self, client, path=None):
572
617
self.clients.remove(client)
574
619
path = client.proxy.object_path
575
620
del self.clients_dict[path]
621
if not self.clients_dict:
622
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
623
# is completely emptied, we need to recreate it.
624
self.clients = urwid.SimpleListWalker([])
578
628
def refresh(self):
579
629
"""Redraw the screen"""
580
630
canvas = self.topwidget.render(self.size, focus=True)
581
631
self.screen.draw_screen(self.size, canvas)
584
634
"""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)))
636
self._input_callback_tag = (gobject.io_add_watch
636
640
self.main_loop.run()
637
641
# 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)
642
gobject.source_remove(self._input_callback_tag)
644
646
self.main_loop.quit()
645
log.removeHandler(self.loghandler)
646
log.propagate = self.orig_log_propagate
648
648
def process_input(self, source, condition):
649
649
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
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
662
662
key = translations[key]
663
663
except KeyError: # :-)
666
666
if key == "q" or key == "Q":
669
669
elif key == "window resize":
670
670
self.size = self.screen.get_cols_rows()
672
elif key == "ctrl l":
672
elif key == "\f": # Ctrl-L
675
674
elif key == "l" or key == "D":
676
675
self.toggle_log_display()