1
#!/usr/bin/python3 -bbI
2
2
# -*- mode: python; coding: utf-8 -*-
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
13
# the Free Software Foundation, either version 3 of the License, or
14
# (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
18
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
# GNU General Public License for more details.
21
# 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>.
4
from __future__ import division, absolute_import, with_statement
27
from __future__ import (division, absolute_import, print_function,
30
from future_builtins import *
12
41
import urwid.curses_display
15
44
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GLib
24
locale.setlocale(locale.LC_ALL, u'')
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
49
if sys.version_info.major == 2:
52
log = logging.getLogger(os.path.basename(sys.argv[0]))
53
logging.basicConfig(level="NOTSET", # Show all messages
54
format="%(message)s") # Show basic log messages
56
logging.captureWarnings(True) # Show warnings via the logging system
58
locale.setlocale(locale.LC_ALL, "")
60
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
29
62
# Some useful constants
30
domain = 'se.bsnet.fukt'
31
server_interface = domain + '.Mandos'
32
client_interface = domain + '.Mandos.Client'
35
# Always run in monochrome mode
36
urwid.curses_display.curses.has_colors = lambda : False
38
# Urwid doesn't support blinking, but we want it. Since we have no
39
# use for underline on its own, we make underline also always blink.
40
urwid.curses_display.curses.A_UNDERLINE |= (
41
urwid.curses_display.curses.A_BLINK)
63
domain = "se.recompile"
64
server_interface = domain + ".Mandos"
65
client_interface = domain + ".Mandos.Client"
69
dbus.OBJECT_MANAGER_IFACE
70
except AttributeError:
71
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
43
74
def isoformat_to_datetime(iso):
44
75
"Parse an ISO 8601 date string to a datetime.datetime()"
47
d, t = iso.split(u"T", 1)
48
year, month, day = d.split(u"-", 2)
49
hour, minute, second = t.split(u":", 2)
78
d, t = iso.split("T", 1)
79
year, month, day = d.split("-", 2)
80
hour, minute, second = t.split(":", 2)
50
81
second, fraction = divmod(float(second), 1)
51
82
return datetime.datetime(int(year),
56
int(second), # Whole seconds
57
int(fraction*1000000)) # Microseconds
87
int(second), # Whole seconds
88
int(fraction*1000000)) # Microseconds
59
91
class MandosClientPropertyCache(object):
60
92
"""This wraps a Mandos Client D-Bus proxy object, caches the
61
93
properties and calls a hook function when any of them are
64
def __init__(self, proxy_object=None, *args, **kwargs):
65
self.proxy = proxy_object # Mandos Client proxy object
67
self.properties = dict()
68
self.proxy.connect_to_signal(u"PropertyChanged",
69
self.property_changed,
73
self.properties.update(
74
self.proxy.GetAll(client_interface,
75
dbus_interface = dbus.PROPERTIES_IFACE))
77
#XXX This break good super behaviour!
78
# super(MandosClientPropertyCache, self).__init__(
81
def property_changed(self, property=None, value=None):
82
"""This is called whenever we get a PropertyChanged signal
83
It updates the changed property in the "properties" dict.
96
def __init__(self, proxy_object=None, properties=None, **kwargs):
97
self.proxy = proxy_object # Mandos Client proxy object
98
self.properties = dict() if properties is None else properties
99
self.property_changed_match = (
100
self.proxy.connect_to_signal("PropertiesChanged",
101
self.properties_changed,
102
dbus.PROPERTIES_IFACE,
105
if properties is None:
106
self.properties.update(self.proxy.GetAll(
108
dbus_interface=dbus.PROPERTIES_IFACE))
110
super(MandosClientPropertyCache, self).__init__(**kwargs)
112
def properties_changed(self, interface, properties, invalidated):
113
"""This is called whenever we get a PropertiesChanged signal
114
It updates the changed properties in the "properties" dict.
85
116
# Update properties dict with new value
86
self.properties[property] = value
117
if interface == client_interface:
118
self.properties.update(properties)
121
self.property_changed_match.remove()
89
124
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
90
125
"""A Mandos Client which is visible on the screen.
93
128
def __init__(self, server_proxy_object=None, update_hook=None,
94
delete_hook=None, logger=None, *args, **kwargs):
129
delete_hook=None, **kwargs):
95
130
# Called on update
96
131
self.update_hook = update_hook
97
132
# Called on delete
98
133
self.delete_hook = delete_hook
99
134
# Mandos Server proxy object
100
135
self.server_proxy_object = server_proxy_object
104
137
self._update_timer_callback_tag = None
105
self.last_checker_failed = False
107
139
# The widget shown normally
108
self._text_widget = urwid.Text(u"")
140
self._text_widget = urwid.Text("")
109
141
# The widget shown when we have focus
110
self._focus_text_widget = urwid.Text(u"")
111
super(MandosClientWidget, self).__init__(
112
update_hook=update_hook, delete_hook=delete_hook,
142
self._focus_text_widget = urwid.Text("")
143
super(MandosClientWidget, self).__init__(**kwargs)
115
145
self.opened = False
116
self.proxy.connect_to_signal(u"CheckerCompleted",
117
self.checker_completed,
120
self.proxy.connect_to_signal(u"CheckerStarted",
121
self.checker_started,
124
self.proxy.connect_to_signal(u"GotSecret",
128
self.proxy.connect_to_signal(u"NeedApproval",
132
self.proxy.connect_to_signal(u"Rejected",
136
last_checked_ok = isoformat_to_datetime(self.properties
138
if last_checked_ok is None:
139
self.last_checker_failed = True
141
self.last_checker_failed = ((datetime.datetime.utcnow()
147
if self.last_checker_failed:
148
self._update_timer_callback_tag = (gobject.timeout_add
147
self.match_objects = (
148
self.proxy.connect_to_signal("CheckerCompleted",
149
self.checker_completed,
152
self.proxy.connect_to_signal("CheckerStarted",
153
self.checker_started,
156
self.proxy.connect_to_signal("GotSecret",
160
self.proxy.connect_to_signal("NeedApproval",
164
self.proxy.connect_to_signal("Rejected",
168
log.debug("Created client %s", self.properties["Name"])
170
def using_timer(self, flag):
171
"""Call this method with True or False when timer should be
172
activated or deactivated.
174
if flag and self._update_timer_callback_tag is None:
175
# Will update the shown timer value every second
176
self._update_timer_callback_tag = (
177
GLib.timeout_add(1000,
178
glib_safely(self.update_timer)))
179
elif not (flag or self._update_timer_callback_tag is None):
180
GLib.source_remove(self._update_timer_callback_tag)
181
self._update_timer_callback_tag = None
152
183
def checker_completed(self, exitstatus, condition, command):
153
184
if exitstatus == 0:
154
if self.last_checker_failed:
155
self.last_checker_failed = False
156
gobject.source_remove(self._update_timer_callback_tag)
157
self._update_timer_callback_tag = None
158
#self.logger(u'Checker for client %s (command "%s")'
160
# % (self.properties[u"Name"], command))
185
log.debug('Checker for client %s (command "%s")'
186
" succeeded", self.properties["Name"], command)
164
if not self.last_checker_failed:
165
self.last_checker_failed = True
166
self._update_timer_callback_tag = (gobject.timeout_add
169
190
if os.WIFEXITED(condition):
170
self.logger(u'Checker for client %s (command "%s")'
171
u' failed with exit code %s'
172
% (self.properties[u"Name"], command,
173
os.WEXITSTATUS(condition)))
191
log.info('Checker for client %s (command "%s") failed'
192
" with exit code %d", self.properties["Name"],
193
command, os.WEXITSTATUS(condition))
174
194
elif os.WIFSIGNALED(condition):
175
self.logger(u'Checker for client %s (command "%s")'
176
u' was killed by signal %s'
177
% (self.properties[u"Name"], command,
178
os.WTERMSIG(condition)))
179
elif os.WCOREDUMP(condition):
180
self.logger(u'Checker for client %s (command "%s")'
182
% (self.properties[u"Name"], command))
184
self.logger(u'Checker for client %s completed'
195
log.info('Checker for client %s (command "%s") was'
196
" killed by signal %d", self.properties["Name"],
197
command, os.WTERMSIG(condition))
188
200
def checker_started(self, command):
189
#self.logger(u'Client %s started checker "%s"'
190
# % (self.properties[u"Name"], unicode(command)))
201
"""Server signals that a checker started."""
202
log.debug('Client %s started checker "%s"',
203
self.properties["Name"], command)
193
205
def got_secret(self):
194
self.last_checker_failed = False
195
self.logger(u'Client %s received its secret'
196
% self.properties[u"Name"])
206
log.info("Client %s received its secret",
207
self.properties["Name"])
198
209
def need_approval(self, timeout, default):
200
message = u'Client %s needs approval within %s seconds'
211
message = "Client %s needs approval within %f seconds"
202
message = u'Client %s will get its secret in %s seconds'
204
% (self.properties[u"Name"], timeout/1000))
213
message = "Client %s will get its secret in %f seconds"
214
log.info(message, self.properties["Name"], timeout/1000)
206
216
def rejected(self, reason):
207
self.logger(u'Client %s was rejected; reason: %s'
208
% (self.properties[u"Name"], reason))
217
log.info("Client %s was rejected; reason: %s",
218
self.properties["Name"], reason)
210
220
def selectable(self):
211
221
"""Make this a "selectable" widget.
212
222
This overrides the method from urwid.FlowWidget."""
215
def rows(self, (maxcol,), focus=False):
225
def rows(self, maxcolrow, focus=False):
216
226
"""How many rows this widget will occupy might depend on
217
227
whether we have focus or not.
218
228
This overrides the method from urwid.FlowWidget"""
219
return self.current_widget(focus).rows((maxcol,), focus=focus)
229
return self.current_widget(focus).rows(maxcolrow, focus=focus)
221
231
def current_widget(self, focus=False):
222
232
if focus or self.opened:
223
233
return self._focus_widget
224
234
return self._widget
226
236
def update(self):
227
237
"Called when what is visible on the screen should be updated."
228
238
# How to add standout mode to a style
229
with_standout = { u"normal": u"standout",
230
u"bold": u"bold-standout",
232
u"underline-blink-standout",
233
u"bold-underline-blink":
234
u"bold-underline-blink-standout",
239
with_standout = {"normal": "standout",
240
"bold": "bold-standout",
242
"underline-blink-standout",
243
"bold-underline-blink":
244
"bold-underline-blink-standout",
237
247
# Rebuild focus and non-focus widgets using current properties
239
249
# Base part of a client. Name!
240
base = (u'%(name)s: '
241
% {u"name": self.properties[u"Name"]})
242
if not self.properties[u"Enabled"]:
243
message = u"DISABLED"
244
elif self.properties[u"ApprovalPending"]:
245
if self.properties[u"ApprovedByDefault"]:
246
message = u"Connection established to client. (d)eny?"
248
message = u"Seeks approval to send secret. (a)pprove?"
249
elif self.last_checker_failed:
250
timeout = datetime.timedelta(milliseconds
253
last_ok = isoformat_to_datetime(
254
max((self.properties[u"LastCheckedOK"]
255
or self.properties[u"Created"]),
256
self.properties[u"LastEnabled"]))
257
timer = timeout - (datetime.datetime.utcnow() - last_ok)
258
message = (u'A checker has failed! Time until client'
260
% unicode(timer).rsplit(".", 1)[0])
250
base = "{name}: ".format(name=self.properties["Name"])
251
if not self.properties["Enabled"]:
253
self.using_timer(False)
254
elif self.properties["ApprovalPending"]:
255
timeout = datetime.timedelta(
256
milliseconds=self.properties["ApprovalDelay"])
257
last_approval_request = isoformat_to_datetime(
258
self.properties["LastApprovalRequest"])
259
if last_approval_request is not None:
260
timer = max(timeout - (datetime.datetime.utcnow()
261
- last_approval_request),
262
datetime.timedelta())
264
timer = datetime.timedelta()
265
if self.properties["ApprovedByDefault"]:
266
message = "Approval in {}. (d)eny?"
268
message = "Denial in {}. (a)pprove?"
269
message = message.format(str(timer).rsplit(".", 1)[0])
270
self.using_timer(True)
271
elif self.properties["LastCheckerStatus"] != 0:
272
# When checker has failed, show timer until client expires
273
expires = self.properties["Expires"]
275
timer = datetime.timedelta(0)
277
expires = (datetime.datetime.strptime
278
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
279
timer = max(expires - datetime.datetime.utcnow(),
280
datetime.timedelta())
281
message = ("A checker has failed! Time until client"
283
.format(str(timer).rsplit(".", 1)[0]))
284
self.using_timer(True)
263
self._text = "%s%s" % (base, message)
287
self.using_timer(False)
288
self._text = "{}{}".format(base, message)
265
290
if not urwid.supports_unicode():
266
291
self._text = self._text.encode("ascii", "replace")
267
textlist = [(u"normal", self._text)]
292
textlist = [("normal", self._text)]
268
293
self._text_widget.set_text(textlist)
269
294
self._focus_text_widget.set_text([(with_standout[text[0]],
277
302
# Run update hook, if any
278
303
if self.update_hook is not None:
279
304
self.update_hook()
281
306
def update_timer(self):
307
"""called by GLib. Will indefinitely loop until
308
GLib.source_remove() on tag is called
284
311
return True # Keep calling this
313
def delete(self, **kwargs):
287
314
if self._update_timer_callback_tag is not None:
288
gobject.source_remove(self._update_timer_callback_tag)
315
GLib.source_remove(self._update_timer_callback_tag)
289
316
self._update_timer_callback_tag = None
317
for match in self.match_objects:
319
self.match_objects = ()
290
320
if self.delete_hook is not None:
291
321
self.delete_hook(self)
293
def render(self, (maxcol,), focus=False):
322
return super(MandosClientWidget, self).delete(**kwargs)
324
def render(self, maxcolrow, focus=False):
294
325
"""Render differently if we have focus.
295
326
This overrides the method from urwid.FlowWidget"""
296
return self.current_widget(focus).render((maxcol,),
327
return self.current_widget(focus).render(maxcolrow,
299
def keypress(self, (maxcol,), key):
330
def keypress(self, maxcolrow, key):
301
332
This overrides the method from urwid.FlowWidget"""
303
self.proxy.Enable(dbus_interface = client_interface)
305
self.proxy.Disable(dbus_interface = client_interface)
334
self.proxy.Set(client_interface, "Enabled",
335
dbus.Boolean(True), ignore_reply=True,
336
dbus_interface=dbus.PROPERTIES_IFACE)
338
self.proxy.Set(client_interface, "Enabled", False,
340
dbus_interface=dbus.PROPERTIES_IFACE)
307
342
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
308
dbus_interface = client_interface)
343
dbus_interface=client_interface,
310
346
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
311
dbus_interface = client_interface)
312
elif key == u"r" or key == u"_" or key == u"ctrl k":
347
dbus_interface=client_interface,
349
elif key == "R" or key == "_" or key == "ctrl k":
313
350
self.server_proxy_object.RemoveClient(self.proxy
316
self.proxy.StartChecker(dbus_interface = client_interface)
318
self.proxy.StopChecker(dbus_interface = client_interface)
320
self.proxy.CheckedOK(dbus_interface = client_interface)
354
self.proxy.Set(client_interface, "CheckerRunning",
355
dbus.Boolean(True), ignore_reply=True,
356
dbus_interface=dbus.PROPERTIES_IFACE)
358
self.proxy.Set(client_interface, "CheckerRunning",
359
dbus.Boolean(False), ignore_reply=True,
360
dbus_interface=dbus.PROPERTIES_IFACE)
362
self.proxy.CheckedOK(dbus_interface=client_interface,
322
# elif key == u"p" or key == "=":
365
# elif key == "p" or key == "=":
323
366
# self.proxy.pause()
324
# elif key == u"u" or key == ":":
367
# elif key == "u" or key == ":":
325
368
# self.proxy.unpause()
326
# elif key == u"RET":
331
def property_changed(self, property=None, value=None,
333
"""Call self.update() if old value is not new value.
374
def properties_changed(self, interface, properties, invalidated):
375
"""Call self.update() if any properties changed.
334
376
This overrides the method from MandosClientPropertyCache"""
335
property_name = unicode(property)
336
old_value = self.properties.get(property_name)
337
super(MandosClientWidget, self).property_changed(
338
property=property, value=value, *args, **kwargs)
339
if self.properties.get(property_name) != old_value:
377
old_values = {key: self.properties.get(key)
378
for key in properties.keys()}
379
super(MandosClientWidget, self).properties_changed(
380
interface, properties, invalidated)
381
if any(old_values[key] != self.properties.get(key)
382
for key in old_values):
386
def glib_safely(func, retval=True):
387
def safe_func(*args, **kwargs):
389
return func(*args, **kwargs)
343
396
class ConstrainedListBox(urwid.ListBox):
344
397
"""Like a normal urwid.ListBox, but will consume all "up" or
345
398
"down" key presses, thus not allowing any containing widgets to
346
399
use them as an excuse to shift focus away from this widget.
348
def keypress(self, (maxcol, maxrow), key):
349
ret = super(ConstrainedListBox, self).keypress((maxcol,
351
if ret in (u"up", u"down"):
401
def keypress(self, *args, **kwargs):
402
ret = (super(ConstrainedListBox, self)
403
.keypress(*args, **kwargs))
404
if ret in ("up", "down"):
360
413
def __init__(self, max_log_length=1000):
361
414
DBusGMainLoop(set_as_default=True)
363
416
self.screen = urwid.curses_display.Screen()
365
418
self.screen.register_palette((
367
u"default", u"default", None),
369
u"default", u"default", u"bold"),
371
u"default", u"default", u"underline"),
373
u"default", u"default", u"standout"),
374
(u"bold-underline-blink",
375
u"default", u"default", (u"bold", u"underline")),
377
u"default", u"default", (u"bold", u"standout")),
378
(u"underline-blink-standout",
379
u"default", u"default", (u"underline", u"standout")),
380
(u"bold-underline-blink-standout",
381
u"default", u"default", (u"bold", u"underline",
420
"default", "default", None),
422
"bold", "default", "bold"),
424
"underline,blink", "default", "underline,blink"),
426
"standout", "default", "standout"),
427
("bold-underline-blink",
428
"bold,underline,blink", "default",
429
"bold,underline,blink"),
431
"bold,standout", "default", "bold,standout"),
432
("underline-blink-standout",
433
"underline,blink,standout", "default",
434
"underline,blink,standout"),
435
("bold-underline-blink-standout",
436
"bold,underline,blink,standout", "default",
437
"bold,underline,blink,standout"),
385
440
if urwid.supports_unicode():
386
self.divider = u"─" # \u2500
387
#self.divider = u"━" # \u2501
441
self.divider = "─" # \u2500
389
#self.divider = u"-" # \u002d
390
self.divider = u"_" # \u005f
443
self.divider = "_" # \u005f
392
445
self.screen.start()
394
447
self.size = self.screen.get_cols_rows()
396
449
self.clients = urwid.SimpleListWalker([])
397
450
self.clients_dict = {}
399
452
# We will add Text widgets to this list
453
self.log = urwid.SimpleListWalker([])
401
454
self.max_log_length = max_log_length
403
456
# We keep a reference to the log widget so we can remove it
404
457
# from the ListWalker without it getting destroyed
405
458
self.logbox = ConstrainedListBox(self.log)
407
460
# This keeps track of whether self.uilist currently has
408
461
# self.logbox in it or not
409
462
self.log_visible = True
410
self.log_wrap = u"any"
463
self.log_wrap = "any"
465
self.loghandler = UILogHandler(self)
413
self.log_message_raw((u"bold",
414
u"Mandos Monitor version " + version))
415
self.log_message_raw((u"bold",
418
self.busname = domain + '.Mandos'
419
self.main_loop = gobject.MainLoop()
420
self.bus = dbus.SystemBus()
421
mandos_dbus_objc = self.bus.get_object(
422
self.busname, u"/", follow_name_owner_changes=True)
423
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
427
mandos_clients = (self.mandos_serv
428
.GetAllClientsWithProperties())
429
except dbus.exceptions.DBusException:
430
mandos_clients = dbus.Dictionary()
433
.connect_to_signal(u"ClientRemoved",
434
self.find_and_remove_client,
435
dbus_interface=server_interface,
438
.connect_to_signal(u"ClientAdded",
440
dbus_interface=server_interface,
443
.connect_to_signal(u"ClientNotFound",
444
self.client_not_found,
445
dbus_interface=server_interface,
447
for path, client in mandos_clients.iteritems():
448
client_proxy_object = self.bus.get_object(self.busname,
450
self.add_client(MandosClientWidget(server_proxy_object
453
=client_proxy_object,
463
def client_not_found(self, fingerprint, address):
464
self.log_message((u"Client with address %s and fingerprint %s"
465
u" could not be found" % (address,
468
self.add_log_line(("bold",
469
"Mandos Monitor version " + version))
470
self.add_log_line(("bold", "q: Quit ?: Help"))
472
self.busname = domain + ".Mandos"
473
self.main_loop = GLib.MainLoop()
475
def client_not_found(self, key_id, address):
476
log.info("Client with address %s and key ID %s could"
477
" not be found", address, key_id)
468
479
def rebuild(self):
469
480
"""This rebuilds the User Interface.
470
481
Call this when the widget layout needs to change"""
472
#self.uilist.append(urwid.ListBox(self.clients))
483
# self.uilist.append(urwid.ListBox(self.clients))
473
484
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
475
#header=urwid.Divider(),
486
# header=urwid.Divider(),
478
urwid.Divider(div_char=
488
footer=urwid.Divider(
489
div_char=self.divider)))
480
490
if self.log_visible:
481
491
self.uilist.append(self.logbox)
483
492
self.topwidget = urwid.Pile(self.uilist)
485
def log_message(self, message):
486
timestamp = datetime.datetime.now().isoformat()
487
self.log_message_raw(timestamp + u": " + message)
489
def log_message_raw(self, markup):
490
"""Add a log message to the log buffer."""
494
def add_log_line(self, markup):
491
495
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
492
if (self.max_log_length
493
and len(self.log) > self.max_log_length):
494
del self.log[0:len(self.log)-self.max_log_length-1]
495
self.logbox.set_focus(len(self.logbox.body.contents),
496
coming_from=u"above")
496
if self.max_log_length:
497
if len(self.log) > self.max_log_length:
498
del self.log[0:(len(self.log) - self.max_log_length)]
499
self.logbox.set_focus(len(self.logbox.body.contents)-1,
499
503
def toggle_log_display(self):
500
504
"""Toggle visibility of the log buffer."""
501
505
self.log_visible = not self.log_visible
503
#self.log_message(u"Log visibility changed to: "
504
# + unicode(self.log_visible))
507
log.debug("Log visibility changed to: %s", self.log_visible)
506
509
def change_log_display(self):
507
510
"""Change type of log display.
508
511
Currently, this toggles wrapping of text lines."""
509
if self.log_wrap == u"clip":
510
self.log_wrap = u"any"
512
if self.log_wrap == "clip":
513
self.log_wrap = "any"
512
self.log_wrap = u"clip"
515
self.log_wrap = "clip"
513
516
for textwidget in self.log:
514
517
textwidget.set_wrap_mode(self.log_wrap)
515
#self.log_message(u"Wrap mode: " + self.log_wrap)
517
def find_and_remove_client(self, path, name):
518
"""Find an client from its object path and remove it.
520
This is connected to the ClientRemoved signal from the
518
log.debug("Wrap mode: %s", self.log_wrap)
520
def find_and_remove_client(self, path, interfaces):
521
"""Find a client by its object path and remove it.
523
This is connected to the InterfacesRemoved signal from the
521
524
Mandos server object."""
525
if client_interface not in interfaces:
526
# Not a Mandos client object; ignore
523
529
client = self.clients_dict[path]
527
self.remove_client(client, path)
529
def add_new_client(self, path):
532
log.warning("Unknown client %s removed", path)
536
def add_new_client(self, path, ifs_and_props):
537
"""Find a client by its object path and remove it.
539
This is connected to the InterfacesAdded signal from the
540
Mandos server object.
542
if client_interface not in ifs_and_props:
543
# Not a Mandos client object; ignore
530
545
client_proxy_object = self.bus.get_object(self.busname, path)
531
self.add_client(MandosClientWidget(server_proxy_object
534
=client_proxy_object,
546
self.add_client(MandosClientWidget(
547
server_proxy_object=self.mandos_serv,
548
proxy_object=client_proxy_object,
549
update_hook=self.refresh,
550
delete_hook=self.remove_client,
551
properties=dict(ifs_and_props[client_interface])),
543
554
def add_client(self, client, path=None):
544
555
self.clients.append(client)
546
557
path = client.proxy.object_path
547
558
self.clients_dict[path] = client
548
self.clients.sort(None, lambda c: c.properties[u"Name"])
559
self.clients.sort(key=lambda c: c.properties["Name"])
551
562
def remove_client(self, client, path=None):
552
563
self.clients.remove(client)
554
565
path = client.proxy.object_path
555
566
del self.clients_dict[path]
556
if not self.clients_dict:
557
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
558
# is completely emptied, we need to recreate it.
559
self.clients = urwid.SimpleListWalker([])
563
569
def refresh(self):
564
570
"""Redraw the screen"""
565
571
canvas = self.topwidget.render(self.size, focus=True)
566
572
self.screen.draw_screen(self.size, canvas)
569
575
"""Start the main loop and exit when it's done."""
576
log.addHandler(self.loghandler)
577
self.orig_log_propagate = log.propagate
578
log.propagate = False
579
self.orig_log_level = log.level
581
self.bus = dbus.SystemBus()
582
mandos_dbus_objc = self.bus.get_object(
583
self.busname, "/", follow_name_owner_changes=True)
584
self.mandos_serv = dbus.Interface(
585
mandos_dbus_objc, dbus_interface=server_interface)
587
mandos_clients = (self.mandos_serv
588
.GetAllClientsWithProperties())
589
if not mandos_clients:
590
log.warning("Note: Server has no clients.")
591
except dbus.exceptions.DBusException:
592
log.warning("Note: No Mandos server running.")
593
mandos_clients = dbus.Dictionary()
596
.connect_to_signal("InterfacesRemoved",
597
self.find_and_remove_client,
598
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
601
.connect_to_signal("InterfacesAdded",
603
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
606
.connect_to_signal("ClientNotFound",
607
self.client_not_found,
608
dbus_interface=server_interface,
610
for path, client in mandos_clients.items():
611
client_proxy_object = self.bus.get_object(self.busname,
613
self.add_client(MandosClientWidget(
614
server_proxy_object=self.mandos_serv,
615
proxy_object=client_proxy_object,
617
update_hook=self.refresh,
618
delete_hook=self.remove_client),
571
self._input_callback_tag = (gobject.io_add_watch
622
self._input_callback_tag = (
624
GLib.IOChannel.unix_new(sys.stdin.fileno()),
625
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
626
glib_safely(self.process_input)))
575
627
self.main_loop.run()
576
628
# Main loop has finished, we should close everything now
577
gobject.source_remove(self._input_callback_tag)
629
GLib.source_remove(self._input_callback_tag)
630
with warnings.catch_warnings():
631
warnings.simplefilter("ignore", BytesWarning)
581
635
self.main_loop.quit()
636
log.removeHandler(self.loghandler)
637
log.propagate = self.orig_log_propagate
583
639
def process_input(self, source, condition):
584
640
keys = self.screen.get_input()
585
translations = { u"ctrl n": u"down", # Emacs
586
u"ctrl p": u"up", # Emacs
587
u"ctrl v": u"page down", # Emacs
588
u"meta v": u"page up", # Emacs
589
u" ": u"page down", # less
590
u"f": u"page down", # less
591
u"b": u"page up", # less
641
translations = {"ctrl n": "down", # Emacs
642
"ctrl p": "up", # Emacs
643
"ctrl v": "page down", # Emacs
644
"meta v": "page up", # Emacs
645
" ": "page down", # less
646
"f": "page down", # less
647
"b": "page up", # less
597
653
key = translations[key]
598
654
except KeyError: # :-)
601
if key == u"q" or key == u"Q":
657
if key == "q" or key == "Q":
604
elif key == u"window resize":
660
elif key == "window resize":
605
661
self.size = self.screen.get_cols_rows()
607
elif key == u"\f": # Ctrl-L
663
elif key == "ctrl l":
609
elif key == u"l" or key == u"D":
666
elif key == "l" or key == "D":
610
667
self.toggle_log_display()
612
elif key == u"w" or key == u"i":
669
elif key == "w" or key == "i":
613
670
self.change_log_display()
615
elif key == u"?" or key == u"f1" or key == u"esc":
672
elif key == "?" or key == "f1" or key == "esc":
616
673
if not self.log_visible:
617
674
self.log_visible = True
619
self.log_message_raw((u"bold",
623
u"l: Log window toggle",
624
u"TAB: Switch window",
626
self.log_message_raw((u"bold",
632
u"s: Start new checker",
676
self.add_log_line(("bold",
679
"l: Log window toggle",
680
"TAB: Switch window",
681
"w: Wrap (log lines)",
682
"v: Toggle verbose log",
684
self.add_log_line(("bold",
685
" ".join(("Clients:",
689
"s: Start new checker",
639
697
if self.topwidget.get_focus() is self.logbox:
640
698
self.topwidget.set_focus(0)
642
700
self.topwidget.set_focus(self.logbox)
644
#elif (key == u"end" or key == u"meta >" or key == u"G"
646
# pass # xxx end-of-buffer
647
#elif (key == u"home" or key == u"meta <" or key == u"g"
649
# pass # xxx beginning-of-buffer
650
#elif key == u"ctrl e" or key == u"$":
651
# pass # xxx move-end-of-line
652
#elif key == u"ctrl a" or key == u"^":
653
# pass # xxx move-beginning-of-line
654
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
656
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
659
# pass # scroll up log
661
# pass # scroll down log
703
if log.level < logging.INFO:
704
log.setLevel(logging.INFO)
705
log.info("Verbose mode: Off")
707
log.setLevel(logging.NOTSET)
708
log.info("Verbose mode: On")
709
# elif (key == "end" or key == "meta >" or key == "G"
711
# pass # xxx end-of-buffer
712
# elif (key == "home" or key == "meta <" or key == "g"
714
# pass # xxx beginning-of-buffer
715
# elif key == "ctrl e" or key == "$":
716
# pass # xxx move-end-of-line
717
# elif key == "ctrl a" or key == "^":
718
# pass # xxx move-beginning-of-line
719
# elif key == "ctrl b" or key == "meta (" or key == "h":
721
# elif key == "ctrl f" or key == "meta )" or key == "l":
724
# pass # scroll up log
726
# pass # scroll down log
662
727
elif self.topwidget.selectable():
663
728
self.topwidget.keypress(self.size, key)
733
class UILogHandler(logging.Handler):
734
def __init__(self, ui, *args, **kwargs):
736
super(UILogHandler, self).__init__(*args, **kwargs)
738
logging.Formatter("%(asctime)s: %(message)s"))
739
def emit(self, record):
740
msg = self.format(record)
741
if record.levelno > logging.INFO:
743
self.ui.add_log_line(msg)
667
746
ui = UserInterface()
670
749
except KeyboardInterrupt:
673
ui.log_message(unicode(e))
750
with warnings.catch_warnings():
751
warnings.filterwarnings("ignore", "", BytesWarning)
754
with warnings.catch_warnings():
755
warnings.filterwarnings("ignore", "", BytesWarning)