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>.
25
from __future__ import division, absolute_import, with_statement
27
from __future__ import (division, absolute_import, print_function,
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, u'')
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
49
if sys.version_info.major == 2:
53
log = logging.getLogger(os.path.basename(sys.argv[0]))
54
logging.basicConfig(level="NOTSET", # Show all messages
55
format="%(message)s") # Show basic log messages
57
logging.captureWarnings(True) # Show warnings via the logging system
59
locale.setlocale(locale.LC_ALL, "")
61
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
50
63
# 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)
64
domain = "se.recompile"
65
server_interface = domain + ".Mandos"
66
client_interface = domain + ".Mandos.Client"
70
dbus.OBJECT_MANAGER_IFACE
71
except AttributeError:
72
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
64
75
def isoformat_to_datetime(iso):
65
76
"Parse an ISO 8601 date string to a datetime.datetime()"
68
d, t = iso.split(u"T", 1)
69
year, month, day = d.split(u"-", 2)
70
hour, minute, second = t.split(u":", 2)
79
d, t = iso.split("T", 1)
80
year, month, day = d.split("-", 2)
81
hour, minute, second = t.split(":", 2)
71
82
second, fraction = divmod(float(second), 1)
72
83
return datetime.datetime(int(year),
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
80
class MandosClientPropertyCache(object):
88
int(second), # Whole seconds
89
int(fraction*1000000)) # Microseconds
92
class MandosClientPropertyCache:
81
93
"""This wraps a Mandos Client D-Bus proxy object, caches the
82
94
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(u"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.
97
def __init__(self, proxy_object=None, properties=None, **kwargs):
98
self.proxy = proxy_object # Mandos Client proxy object
99
self.properties = dict() if properties is None else properties
100
self.property_changed_match = (
101
self.proxy.connect_to_signal("PropertiesChanged",
102
self.properties_changed,
103
dbus.PROPERTIES_IFACE,
106
if properties is None:
107
self.properties.update(self.proxy.GetAll(
109
dbus_interface=dbus.PROPERTIES_IFACE))
111
super(MandosClientPropertyCache, self).__init__(**kwargs)
113
def properties_changed(self, interface, properties, invalidated):
114
"""This is called whenever we get a PropertiesChanged signal
115
It updates the changed properties in the "properties" dict.
106
117
# Update properties dict with new value
107
self.properties[property] = value
118
if interface == client_interface:
119
self.properties.update(properties)
122
self.property_changed_match.remove()
110
125
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
111
126
"""A Mandos Client which is visible on the screen.
114
129
def __init__(self, server_proxy_object=None, update_hook=None,
115
delete_hook=None, logger=None, *args, **kwargs):
130
delete_hook=None, **kwargs):
116
131
# Called on update
117
132
self.update_hook = update_hook
118
133
# Called on delete
119
134
self.delete_hook = delete_hook
120
135
# Mandos Server proxy object
121
136
self.server_proxy_object = server_proxy_object
125
138
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
129
140
# The widget shown normally
130
self._text_widget = urwid.Text(u"")
141
self._text_widget = urwid.Text("")
131
142
# The widget shown when we have focus
132
self._focus_text_widget = urwid.Text(u"")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
143
self._focus_text_widget = urwid.Text("")
144
super(MandosClientWidget, self).__init__(**kwargs)
137
146
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(u"CheckerCompleted",
158
self.checker_completed,
161
self.proxy.connect_to_signal(u"CheckerStarted",
162
self.checker_started,
165
self.proxy.connect_to_signal(u"GotSecret",
169
self.proxy.connect_to_signal(u"NeedApproval",
173
self.proxy.connect_to_signal(u"Rejected",
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
181
if property == u"ApprovalPending":
182
using_timer(bool(value))
148
self.match_objects = (
149
self.proxy.connect_to_signal("CheckerCompleted",
150
self.checker_completed,
153
self.proxy.connect_to_signal("CheckerStarted",
154
self.checker_started,
157
self.proxy.connect_to_signal("GotSecret",
161
self.proxy.connect_to_signal("NeedApproval",
165
self.proxy.connect_to_signal("Rejected",
169
log.debug("Created client %s", self.properties["Name"])
184
171
def using_timer(self, flag):
185
172
"""Call this method with True or False when timer should be
186
173
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)
175
if flag and self._update_timer_callback_tag is None:
176
# Will update the shown timer value every second
177
self._update_timer_callback_tag = (
178
GLib.timeout_add(1000,
179
glib_safely(self.update_timer)))
180
elif not (flag or self._update_timer_callback_tag is None):
181
GLib.source_remove(self._update_timer_callback_tag)
199
182
self._update_timer_callback_tag = None
201
184
def checker_completed(self, exitstatus, condition, command):
202
185
if exitstatus == 0:
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger(u'Checker for client %s (command "%s")'
208
# % (self.properties[u"Name"], command))
186
log.debug('Checker for client %s (command "%s")'
187
" succeeded", self.properties["Name"], command)
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
215
191
if os.WIFEXITED(condition):
216
self.logger(u'Checker for client %s (command "%s")'
217
u' failed with exit code %s'
218
% (self.properties[u"Name"], command,
219
os.WEXITSTATUS(condition)))
192
log.info('Checker for client %s (command "%s") failed'
193
" with exit code %d", self.properties["Name"],
194
command, os.WEXITSTATUS(condition))
220
195
elif os.WIFSIGNALED(condition):
221
self.logger(u'Checker for client %s (command "%s")'
222
u' was killed by signal %s'
223
% (self.properties[u"Name"], command,
224
os.WTERMSIG(condition)))
225
elif os.WCOREDUMP(condition):
226
self.logger(u'Checker for client %s (command "%s")'
228
% (self.properties[u"Name"], command))
230
self.logger(u'Checker for client %s completed'
196
log.info('Checker for client %s (command "%s") was'
197
" killed by signal %d", self.properties["Name"],
198
command, os.WTERMSIG(condition))
234
201
def checker_started(self, command):
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
202
"""Server signals that a checker started."""
203
log.debug('Client %s started checker "%s"',
204
self.properties["Name"], command)
239
206
def got_secret(self):
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
207
log.info("Client %s received its secret",
208
self.properties["Name"])
244
210
def need_approval(self, timeout, default):
246
message = u'Client %s needs approval within %s seconds'
212
message = "Client %s needs approval within %f seconds"
248
message = u'Client %s will get its secret in %s seconds'
250
% (self.properties[u"Name"], timeout/1000))
251
self.using_timer(True)
214
message = "Client %s will get its secret in %f seconds"
215
log.info(message, self.properties["Name"], timeout/1000)
253
217
def rejected(self, reason):
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
218
log.info("Client %s was rejected; reason: %s",
219
self.properties["Name"], reason)
257
221
def selectable(self):
258
222
"""Make this a "selectable" widget.
259
223
This overrides the method from urwid.FlowWidget."""
262
def rows(self, (maxcol,), focus=False):
226
def rows(self, maxcolrow, focus=False):
263
227
"""How many rows this widget will occupy might depend on
264
228
whether we have focus or not.
265
229
This overrides the method from urwid.FlowWidget"""
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
230
return self.current_widget(focus).rows(maxcolrow, focus=focus)
268
232
def current_widget(self, focus=False):
269
233
if focus or self.opened:
270
234
return self._focus_widget
271
235
return self._widget
273
237
def update(self):
274
238
"Called when what is visible on the screen should be updated."
275
239
# How to add standout mode to a style
276
with_standout = { u"normal": u"standout",
277
u"bold": u"bold-standout",
279
u"underline-blink-standout",
280
u"bold-underline-blink":
281
u"bold-underline-blink-standout",
240
with_standout = {"normal": "standout",
241
"bold": "bold-standout",
243
"underline-blink-standout",
244
"bold-underline-blink":
245
"bold-underline-blink-standout",
284
248
# Rebuild focus and non-focus widgets using current properties
286
250
# Base part of a client. Name!
287
base = (u'%(name)s: '
288
% {u"name": self.properties[u"Name"]})
289
if not self.properties[u"Enabled"]:
290
message = u"DISABLED"
291
elif self.properties[u"ApprovalPending"]:
292
timeout = datetime.timedelta(milliseconds
251
base = "{name}: ".format(name=self.properties["Name"])
252
if not self.properties["Enabled"]:
254
self.using_timer(False)
255
elif self.properties["ApprovalPending"]:
256
timeout = datetime.timedelta(
257
milliseconds=self.properties["ApprovalDelay"])
295
258
last_approval_request = isoformat_to_datetime(
296
self.properties[u"LastApprovalRequest"])
259
self.properties["LastApprovalRequest"])
297
260
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
261
timer = max(timeout - (datetime.datetime.utcnow()
262
- last_approval_request),
263
datetime.timedelta())
301
265
timer = datetime.timedelta()
302
if self.properties[u"ApprovedByDefault"]:
303
message = u"Approval in %s. (d)eny?"
305
message = u"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[u"LastCheckedOK"]
313
or self.properties[u"Created"]),
314
self.properties[u"LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
message = (u'A checker has failed! Time until client'
317
u' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
266
if self.properties["ApprovedByDefault"]:
267
message = "Approval in {}. (d)eny?"
269
message = "Denial in {}. (a)pprove?"
270
message = message.format(str(timer).rsplit(".", 1)[0])
271
self.using_timer(True)
272
elif self.properties["LastCheckerStatus"] != 0:
273
# When checker has failed, show timer until client expires
274
expires = self.properties["Expires"]
276
timer = datetime.timedelta(0)
278
expires = (datetime.datetime.strptime
279
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
280
timer = max(expires - datetime.datetime.utcnow(),
281
datetime.timedelta())
282
message = ("A checker has failed! Time until client"
284
.format(str(timer).rsplit(".", 1)[0]))
285
self.using_timer(True)
321
self._text = "%s%s" % (base, message)
288
self.using_timer(False)
289
self._text = "{}{}".format(base, message)
323
291
if not urwid.supports_unicode():
324
292
self._text = self._text.encode("ascii", "replace")
325
textlist = [(u"normal", self._text)]
293
textlist = [("normal", self._text)]
326
294
self._text_widget.set_text(textlist)
327
295
self._focus_text_widget.set_text([(with_standout[text[0]],
335
303
# Run update hook, if any
336
304
if self.update_hook is not None:
337
305
self.update_hook()
339
307
def update_timer(self):
308
"""called by GLib. Will indefinitely loop until
309
GLib.source_remove() on tag is called
342
312
return True # Keep calling this
314
def delete(self, **kwargs):
345
315
if self._update_timer_callback_tag is not None:
346
gobject.source_remove(self._update_timer_callback_tag)
316
GLib.source_remove(self._update_timer_callback_tag)
347
317
self._update_timer_callback_tag = None
318
for match in self.match_objects:
320
self.match_objects = ()
348
321
if self.delete_hook is not None:
349
322
self.delete_hook(self)
351
def render(self, (maxcol,), focus=False):
323
return super(MandosClientWidget, self).delete(**kwargs)
325
def render(self, maxcolrow, focus=False):
352
326
"""Render differently if we have focus.
353
327
This overrides the method from urwid.FlowWidget"""
354
return self.current_widget(focus).render((maxcol,),
328
return self.current_widget(focus).render(maxcolrow,
357
def keypress(self, (maxcol,), key):
331
def keypress(self, maxcolrow, key):
359
333
This overrides the method from urwid.FlowWidget"""
361
self.proxy.Enable(dbus_interface = client_interface)
363
self.proxy.Disable(dbus_interface = client_interface)
335
self.proxy.Set(client_interface, "Enabled",
336
dbus.Boolean(True), ignore_reply=True,
337
dbus_interface=dbus.PROPERTIES_IFACE)
339
self.proxy.Set(client_interface, "Enabled", False,
341
dbus_interface=dbus.PROPERTIES_IFACE)
365
343
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
366
dbus_interface = client_interface)
344
dbus_interface=client_interface,
368
347
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
369
dbus_interface = client_interface)
370
elif key == u"R" or key == u"_" or key == u"ctrl k":
348
dbus_interface=client_interface,
350
elif key == "R" or key == "_" or key == "ctrl k":
371
351
self.server_proxy_object.RemoveClient(self.proxy
374
self.proxy.StartChecker(dbus_interface = client_interface)
376
self.proxy.StopChecker(dbus_interface = client_interface)
378
self.proxy.CheckedOK(dbus_interface = client_interface)
355
self.proxy.Set(client_interface, "CheckerRunning",
356
dbus.Boolean(True), ignore_reply=True,
357
dbus_interface=dbus.PROPERTIES_IFACE)
359
self.proxy.Set(client_interface, "CheckerRunning",
360
dbus.Boolean(False), ignore_reply=True,
361
dbus_interface=dbus.PROPERTIES_IFACE)
363
self.proxy.CheckedOK(dbus_interface=client_interface,
380
# elif key == u"p" or key == "=":
366
# elif key == "p" or key == "=":
381
367
# self.proxy.pause()
382
# elif key == u"u" or key == ":":
368
# elif key == "u" or key == ":":
383
369
# self.proxy.unpause()
384
# elif key == u"RET":
389
def property_changed(self, property=None, value=None,
391
"""Call self.update() if old value is not new value.
375
def properties_changed(self, interface, properties, invalidated):
376
"""Call self.update() if any properties changed.
392
377
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:
378
old_values = {key: self.properties.get(key)
379
for key in properties.keys()}
380
super(MandosClientWidget, self).properties_changed(
381
interface, properties, invalidated)
382
if any(old_values[key] != self.properties.get(key)
383
for key in old_values):
387
def glib_safely(func, retval=True):
388
def safe_func(*args, **kwargs):
390
return func(*args, **kwargs)
401
397
class ConstrainedListBox(urwid.ListBox):
402
398
"""Like a normal urwid.ListBox, but will consume all "up" or
403
399
"down" key presses, thus not allowing any containing widgets to
404
400
use them as an excuse to shift focus away from this widget.
406
def keypress(self, (maxcol, maxrow), key):
407
ret = super(ConstrainedListBox, self).keypress((maxcol,
409
if ret in (u"up", u"down"):
402
def keypress(self, *args, **kwargs):
403
ret = (super(ConstrainedListBox, self)
404
.keypress(*args, **kwargs))
405
if ret in ("up", "down"):
414
class UserInterface(object):
415
411
"""This is the entire user interface - the whole screen
416
412
with boxes, lists of client widgets, etc.
418
414
def __init__(self, max_log_length=1000):
419
415
DBusGMainLoop(set_as_default=True)
421
417
self.screen = urwid.curses_display.Screen()
423
419
self.screen.register_palette((
425
u"default", u"default", None),
427
u"default", u"default", u"bold"),
429
u"default", u"default", u"underline"),
431
u"default", u"default", u"standout"),
432
(u"bold-underline-blink",
433
u"default", u"default", (u"bold", u"underline")),
435
u"default", u"default", (u"bold", u"standout")),
436
(u"underline-blink-standout",
437
u"default", u"default", (u"underline", u"standout")),
438
(u"bold-underline-blink-standout",
439
u"default", u"default", (u"bold", u"underline",
421
"default", "default", None),
423
"bold", "default", "bold"),
425
"underline,blink", "default", "underline,blink"),
427
"standout", "default", "standout"),
428
("bold-underline-blink",
429
"bold,underline,blink", "default",
430
"bold,underline,blink"),
432
"bold,standout", "default", "bold,standout"),
433
("underline-blink-standout",
434
"underline,blink,standout", "default",
435
"underline,blink,standout"),
436
("bold-underline-blink-standout",
437
"bold,underline,blink,standout", "default",
438
"bold,underline,blink,standout"),
443
441
if urwid.supports_unicode():
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
442
self.divider = "─" # \u2500
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
444
self.divider = "_" # \u005f
450
446
self.screen.start()
452
448
self.size = self.screen.get_cols_rows()
454
450
self.clients = urwid.SimpleListWalker([])
455
451
self.clients_dict = {}
457
453
# We will add Text widgets to this list
454
self.log = urwid.SimpleListWalker([])
459
455
self.max_log_length = max_log_length
461
457
# We keep a reference to the log widget so we can remove it
462
458
# from the ListWalker without it getting destroyed
463
459
self.logbox = ConstrainedListBox(self.log)
465
461
# This keeps track of whether self.uilist currently has
466
462
# self.logbox in it or not
467
463
self.log_visible = True
468
self.log_wrap = u"any"
464
self.log_wrap = "any"
466
self.loghandler = UILogHandler(self)
471
self.log_message_raw((u"bold",
472
u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
476
self.busname = domain + '.Mandos'
477
self.main_loop = gobject.MainLoop()
478
self.bus = dbus.SystemBus()
479
mandos_dbus_objc = self.bus.get_object(
480
self.busname, u"/", follow_name_owner_changes=True)
481
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
485
mandos_clients = (self.mandos_serv
486
.GetAllClientsWithProperties())
487
except dbus.exceptions.DBusException:
488
mandos_clients = dbus.Dictionary()
491
.connect_to_signal(u"ClientRemoved",
492
self.find_and_remove_client,
493
dbus_interface=server_interface,
496
.connect_to_signal(u"ClientAdded",
498
dbus_interface=server_interface,
501
.connect_to_signal(u"ClientNotFound",
502
self.client_not_found,
503
dbus_interface=server_interface,
505
for path, client in mandos_clients.iteritems():
506
client_proxy_object = self.bus.get_object(self.busname,
508
self.add_client(MandosClientWidget(server_proxy_object
511
=client_proxy_object,
521
def client_not_found(self, fingerprint, address):
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
469
self.add_log_line(("bold",
470
"Mandos Monitor version " + version))
471
self.add_log_line(("bold", "q: Quit ?: Help"))
473
self.busname = domain + ".Mandos"
474
self.main_loop = GLib.MainLoop()
476
def client_not_found(self, key_id, address):
477
log.info("Client with address %s and key ID %s could"
478
" not be found", address, key_id)
526
480
def rebuild(self):
527
481
"""This rebuilds the User Interface.
528
482
Call this when the widget layout needs to change"""
530
#self.uilist.append(urwid.ListBox(self.clients))
484
# self.uilist.append(urwid.ListBox(self.clients))
531
485
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
533
#header=urwid.Divider(),
487
# header=urwid.Divider(),
536
urwid.Divider(div_char=
489
footer=urwid.Divider(
490
div_char=self.divider)))
538
491
if self.log_visible:
539
492
self.uilist.append(self.logbox)
541
493
self.topwidget = urwid.Pile(self.uilist)
543
def log_message(self, message):
544
timestamp = datetime.datetime.now().isoformat()
545
self.log_message_raw(timestamp + u": " + message)
547
def log_message_raw(self, markup):
548
"""Add a log message to the log buffer."""
495
def add_log_line(self, markup):
549
496
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
550
if (self.max_log_length
551
and len(self.log) > self.max_log_length):
552
del self.log[0:len(self.log)-self.max_log_length-1]
553
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
497
if self.max_log_length:
498
if len(self.log) > self.max_log_length:
499
del self.log[0:(len(self.log) - self.max_log_length)]
500
self.logbox.set_focus(len(self.logbox.body.contents)-1,
557
504
def toggle_log_display(self):
558
505
"""Toggle visibility of the log buffer."""
559
506
self.log_visible = not self.log_visible
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
508
log.debug("Log visibility changed to: %s", self.log_visible)
564
510
def change_log_display(self):
565
511
"""Change type of log display.
566
512
Currently, this toggles wrapping of text lines."""
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
513
if self.log_wrap == "clip":
514
self.log_wrap = "any"
570
self.log_wrap = u"clip"
516
self.log_wrap = "clip"
571
517
for textwidget in self.log:
572
518
textwidget.set_wrap_mode(self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
575
def find_and_remove_client(self, path, name):
576
"""Find an client from its object path and remove it.
578
This is connected to the ClientRemoved signal from the
519
log.debug("Wrap mode: %s", self.log_wrap)
521
def find_and_remove_client(self, path, interfaces):
522
"""Find a client by its object path and remove it.
524
This is connected to the InterfacesRemoved signal from the
579
525
Mandos server object."""
526
if client_interface not in interfaces:
527
# Not a Mandos client object; ignore
581
530
client = self.clients_dict[path]
585
self.remove_client(client, path)
587
def add_new_client(self, path):
533
log.warning("Unknown client %s removed", path)
537
def add_new_client(self, path, ifs_and_props):
538
"""Find a client by its object path and remove it.
540
This is connected to the InterfacesAdded signal from the
541
Mandos server object.
543
if client_interface not in ifs_and_props:
544
# Not a Mandos client object; ignore
588
546
client_proxy_object = self.bus.get_object(self.busname, path)
589
self.add_client(MandosClientWidget(server_proxy_object
592
=client_proxy_object,
547
self.add_client(MandosClientWidget(
548
server_proxy_object=self.mandos_serv,
549
proxy_object=client_proxy_object,
550
update_hook=self.refresh,
551
delete_hook=self.remove_client,
552
properties=dict(ifs_and_props[client_interface])),
601
555
def add_client(self, client, path=None):
602
556
self.clients.append(client)
604
558
path = client.proxy.object_path
605
559
self.clients_dict[path] = client
606
self.clients.sort(None, lambda c: c.properties[u"Name"])
560
self.clients.sort(key=lambda c: c.properties["Name"])
609
563
def remove_client(self, client, path=None):
610
564
self.clients.remove(client)
612
566
path = client.proxy.object_path
613
567
del self.clients_dict[path]
614
if not self.clients_dict:
615
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
616
# is completely emptied, we need to recreate it.
617
self.clients = urwid.SimpleListWalker([])
621
570
def refresh(self):
622
571
"""Redraw the screen"""
623
572
canvas = self.topwidget.render(self.size, focus=True)
624
573
self.screen.draw_screen(self.size, canvas)
627
576
"""Start the main loop and exit when it's done."""
577
log.addHandler(self.loghandler)
578
self.orig_log_propagate = log.propagate
579
log.propagate = False
580
self.orig_log_level = log.level
582
self.bus = dbus.SystemBus()
583
mandos_dbus_objc = self.bus.get_object(
584
self.busname, "/", follow_name_owner_changes=True)
585
self.mandos_serv = dbus.Interface(
586
mandos_dbus_objc, dbus_interface=server_interface)
588
mandos_clients = (self.mandos_serv
589
.GetAllClientsWithProperties())
590
if not mandos_clients:
591
log.warning("Note: Server has no clients.")
592
except dbus.exceptions.DBusException:
593
log.warning("Note: No Mandos server running.")
594
mandos_clients = dbus.Dictionary()
597
.connect_to_signal("InterfacesRemoved",
598
self.find_and_remove_client,
599
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
602
.connect_to_signal("InterfacesAdded",
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
607
.connect_to_signal("ClientNotFound",
608
self.client_not_found,
609
dbus_interface=server_interface,
611
for path, client in mandos_clients.items():
612
client_proxy_object = self.bus.get_object(self.busname,
614
self.add_client(MandosClientWidget(
615
server_proxy_object=self.mandos_serv,
616
proxy_object=client_proxy_object,
618
update_hook=self.refresh,
619
delete_hook=self.remove_client),
629
self._input_callback_tag = (gobject.io_add_watch
623
self._input_callback_tag = (
625
GLib.IOChannel.unix_new(sys.stdin.fileno()),
626
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
627
glib_safely(self.process_input)))
633
628
self.main_loop.run()
634
629
# Main loop has finished, we should close everything now
635
gobject.source_remove(self._input_callback_tag)
630
GLib.source_remove(self._input_callback_tag)
631
with warnings.catch_warnings():
632
warnings.simplefilter("ignore", BytesWarning)
639
636
self.main_loop.quit()
637
log.removeHandler(self.loghandler)
638
log.propagate = self.orig_log_propagate
641
640
def process_input(self, source, condition):
642
641
keys = self.screen.get_input()
643
translations = { u"ctrl n": u"down", # Emacs
644
u"ctrl p": u"up", # Emacs
645
u"ctrl v": u"page down", # Emacs
646
u"meta v": u"page up", # Emacs
647
u" ": u"page down", # less
648
u"f": u"page down", # less
649
u"b": u"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
655
654
key = translations[key]
656
655
except KeyError: # :-)
659
if key == u"q" or key == u"Q":
658
if key == "q" or key == "Q":
662
elif key == u"window resize":
661
elif key == "window resize":
663
662
self.size = self.screen.get_cols_rows()
665
elif key == u"\f": # Ctrl-L
664
elif key == "ctrl l":
667
elif key == u"l" or key == u"D":
667
elif key == "l" or key == "D":
668
668
self.toggle_log_display()
670
elif key == u"w" or key == u"i":
670
elif key == "w" or key == "i":
671
671
self.change_log_display()
673
elif key == u"?" or key == u"f1" or key == u"esc":
673
elif key == "?" or key == "f1" or key == "esc":
674
674
if not self.log_visible:
675
675
self.log_visible = True
677
self.log_message_raw((u"bold",
681
u"l: Log window toggle",
682
u"TAB: Switch window",
684
self.log_message_raw((u"bold",
690
u"s: Start new checker",
677
self.add_log_line(("bold",
680
"l: Log window toggle",
681
"TAB: Switch window",
682
"w: Wrap (log lines)",
683
"v: Toggle verbose log",
685
self.add_log_line(("bold",
686
" ".join(("Clients:",
690
"s: Start new checker",
697
698
if self.topwidget.get_focus() is self.logbox:
698
699
self.topwidget.set_focus(0)
700
701
self.topwidget.set_focus(self.logbox)
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
704
# pass # xxx end-of-buffer
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
707
# pass # xxx beginning-of-buffer
708
#elif key == u"ctrl e" or key == u"$":
709
# pass # xxx move-end-of-line
710
#elif key == u"ctrl a" or key == u"^":
711
# pass # xxx move-beginning-of-line
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
717
# pass # scroll up log
719
# pass # scroll down log
704
if log.level < logging.INFO:
705
log.setLevel(logging.INFO)
706
log.info("Verbose mode: Off")
708
log.setLevel(logging.NOTSET)
709
log.info("Verbose mode: On")
710
# elif (key == "end" or key == "meta >" or key == "G"
712
# pass # xxx end-of-buffer
713
# elif (key == "home" or key == "meta <" or key == "g"
715
# pass # xxx beginning-of-buffer
716
# elif key == "ctrl e" or key == "$":
717
# pass # xxx move-end-of-line
718
# elif key == "ctrl a" or key == "^":
719
# pass # xxx move-beginning-of-line
720
# elif key == "ctrl b" or key == "meta (" or key == "h":
722
# elif key == "ctrl f" or key == "meta )" or key == "l":
725
# pass # scroll up log
727
# pass # scroll down log
720
728
elif self.topwidget.selectable():
721
729
self.topwidget.keypress(self.size, key)
734
class UILogHandler(logging.Handler):
735
def __init__(self, ui, *args, **kwargs):
737
super(UILogHandler, self).__init__(*args, **kwargs)
739
logging.Formatter("%(asctime)s: %(message)s"))
740
def emit(self, record):
741
msg = self.format(record)
742
if record.levelno > logging.INFO:
744
self.ui.add_log_line(msg)
725
747
ui = UserInterface()
728
750
except KeyboardInterrupt:
731
ui.log_message(unicode(e))
751
with warnings.catch_warnings():
752
warnings.filterwarnings("ignore", "", BytesWarning)
755
with warnings.catch_warnings():
756
warnings.filterwarnings("ignore", "", BytesWarning)