To get this branch, use:
bzr branch
http://bzr.recompile.se/loggerhead/mandos/trunk
« back to all changes in this revision
Viewing changes to mandos-monitor
- browse files at revision 568
- compare with another revision
- download diff
- download tarball
- view history from revision 568
- Committer: Teddy Hogeborn
- Date: 2012-05-03 19:06:02 UTC
- Revision ID: teddy@recompile.se-20120503190602-uqghef5rbpqdvybx
* mandos-monitor: Use new string format method.
- files added:
- initramfs-tools-hook-conf
- files removed:
- bugs.xml
- debian/tests
- debian/upstream
- dracut-module
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python3 -bbI
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
#
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
#
6
# Copyright © 2009-2019 Teddy Hogeborn
7
# Copyright © 2009-2019 Björn Påhlsson
8
#
9
# This file is part of Mandos.
10
#
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
5
#
6
# Copyright © 2009-2012 Teddy Hogeborn
7
# Copyright © 2009-2012 Björn Påhlsson
8
#
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.
15
13
#
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.
20
#
18
#
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/>.
23
#
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
21
#
24
22
# Contact the authors at <mandos@recompile.se>.
25
#
23
#
26
24
27
25
from __future__ import (division, absolute_import, print_function,
28
26
unicode_literals)
29
try:
30
from future_builtins import *
31
except ImportError:
32
pass
33
27
34
28
import sys
35
29
import os
36
import warnings
30
import signal
31
37
32
import datetime
38
import locale
39
import logging
40
33
41
34
import urwid.curses_display
42
35
import urwid
43
36
44
37
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GLib
38
import gobject
46
39
47
40
import dbus
48
41
49
if sys.version_info.major == 2:
50
__metaclass__ = type
51
str = unicode
52
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
56
57
logging.captureWarnings(True) # Show warnings via the logging system
58
59
locale.setlocale(locale.LC_ALL, "")
60
61
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
42
import UserList
43
44
import locale
45
46
locale.setlocale(locale.LC_ALL, '')
47
48
import logging
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
62
50
63
51
# Some useful constants
64
domain = "se.recompile"
65
server_interface = domain + ".Mandos"
66
client_interface = domain + ".Mandos.Client"
67
version = "1.8.12"
68
69
try:
70
dbus.OBJECT_MANAGER_IFACE
71
except AttributeError:
72
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
73
52
domain = 'se.recompile'
53
server_interface = domain + '.Mandos'
54
client_interface = domain + '.Mandos.Client'
55
version = "1.5.3"
56
57
# Always run in monochrome mode
58
urwid.curses_display.curses.has_colors = lambda : False
59
60
# Urwid doesn't support blinking, but we want it. Since we have no
61
# use for underline on its own, we make underline also always blink.
62
urwid.curses_display.curses.A_UNDERLINE |= (
63
urwid.curses_display.curses.A_BLINK)
74
64
75
65
def isoformat_to_datetime(iso):
76
66
"Parse an ISO 8601 date string to a datetime.datetime()"
85
75
int(day),
86
76
int(hour),
87
77
int(minute),
88
int(second), # Whole seconds
89
int(fraction*1000000)) # Microseconds
90
91
92
class MandosClientPropertyCache:
78
int(second), # Whole seconds
79
int(fraction*1000000)) # Microseconds
80
81
class MandosClientPropertyCache(object):
93
82
"""This wraps a Mandos Client D-Bus proxy object, caches the
94
83
properties and calls a hook function when any of them are
95
84
changed.
96
85
"""
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
86
def __init__(self, proxy_object=None, *args, **kwargs):
87
self.proxy = proxy_object # Mandos Client proxy object
88
89
self.properties = dict()
100
90
self.property_changed_match = (
101
self.proxy.connect_to_signal("PropertiesChanged",
102
self.properties_changed,
103
dbus.PROPERTIES_IFACE,
91
self.proxy.connect_to_signal("PropertyChanged",
92
self.property_changed,
93
client_interface,
104
94
byte_arrays=True))
105
106
if properties is None:
107
self.properties.update(self.proxy.GetAll(
108
client_interface,
109
dbus_interface=dbus.PROPERTIES_IFACE))
110
111
super(MandosClientPropertyCache, self).__init__(**kwargs)
112
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.
95
96
self.properties.update(
97
self.proxy.GetAll(client_interface,
98
dbus_interface = dbus.PROPERTIES_IFACE))
99
100
#XXX This breaks good super behaviour
101
# super(MandosClientPropertyCache, self).__init__(
102
# *args, **kwargs)
103
104
def property_changed(self, property=None, value=None):
105
"""This is called whenever we get a PropertyChanged signal
106
It updates the changed property in the "properties" dict.
116
107
"""
117
108
# Update properties dict with new value
118
if interface == client_interface:
119
self.properties.update(properties)
120
121
def delete(self):
109
self.properties[property] = value
110
111
def delete(self, *args, **kwargs):
122
112
self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
114
*args, **kwargs)
123
115
124
116
125
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
126
118
"""A Mandos Client which is visible on the screen.
127
119
"""
128
120
129
121
def __init__(self, server_proxy_object=None, update_hook=None,
130
delete_hook=None, **kwargs):
122
delete_hook=None, logger=None, *args, **kwargs):
131
123
# Called on update
132
124
self.update_hook = update_hook
133
125
# Called on delete
134
126
self.delete_hook = delete_hook
135
127
# Mandos Server proxy object
136
128
self.server_proxy_object = server_proxy_object
137
129
# Logger
130
self.logger = logger
131
138
132
self._update_timer_callback_tag = None
139
133
self._update_timer_callback_lock = 0
134
140
135
# The widget shown normally
141
136
self._text_widget = urwid.Text("")
142
137
# The widget shown when we have focus
143
138
self._focus_text_widget = urwid.Text("")
144
super(MandosClientWidget, self).__init__(**kwargs)
139
super(MandosClientWidget, self).__init__(
140
update_hook=update_hook, delete_hook=delete_hook,
141
*args, **kwargs)
145
142
self.update()
146
143
self.opened = False
147
144
145
last_checked_ok = isoformat_to_datetime(self.properties
146
["LastCheckedOK"])
147
148
if self.properties ["LastCheckerStatus"] != 0:
149
self.using_timer(True)
150
151
if self.need_approval:
152
self.using_timer(True)
153
148
154
self.match_objects = (
149
155
self.proxy.connect_to_signal("CheckerCompleted",
150
156
self.checker_completed,
166
172
self.rejected,
167
173
client_interface,
168
174
byte_arrays=True))
169
log.debug("Created client %s", self.properties["Name"])
170
175
#self.logger('Created client {0}'
176
# .format(self.properties["Name"]))
177
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
180
value)
181
if property == "ApprovalPending":
182
using_timer(bool(value))
183
if property == "LastCheckerStatus":
184
using_timer(value != 0)
185
#self.logger('Checker for client {0} (command "{1}") was '
186
# ' successful'.format(self.properties["Name"],
187
# command))
188
171
189
def using_timer(self, flag):
172
190
"""Call this method with True or False when timer should be
173
191
activated or deactivated.
174
192
"""
175
if flag and self._update_timer_callback_tag is None:
193
old = self._update_timer_callback_lock
194
if flag:
195
self._update_timer_callback_lock += 1
196
else:
197
self._update_timer_callback_lock -= 1
198
if old == 0 and self._update_timer_callback_lock:
176
199
# 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)
200
self._update_timer_callback_tag = (gobject.timeout_add
201
(1000,
202
self.update_timer))
203
elif old and self._update_timer_callback_lock == 0:
204
gobject.source_remove(self._update_timer_callback_tag)
182
205
self._update_timer_callback_tag = None
183
206
184
207
def checker_completed(self, exitstatus, condition, command):
185
208
if exitstatus == 0:
186
log.debug('Checker for client %s (command "%s")'
187
" succeeded", self.properties["Name"], command)
188
209
self.update()
189
210
return
190
211
# Checker failed
191
212
if os.WIFEXITED(condition):
192
log.info('Checker for client %s (command "%s") failed'
193
" with exit code %d", self.properties["Name"],
194
command, os.WEXITSTATUS(condition))
213
self.logger('Checker for client {0} (command "{1}")'
214
' failed with exit code {2}'
215
.format(self.properties["Name"], command,
216
os.WEXITSTATUS(condition)))
195
217
elif os.WIFSIGNALED(condition):
196
log.info('Checker for client %s (command "%s") was'
197
" killed by signal %d", self.properties["Name"],
198
command, os.WTERMSIG(condition))
218
self.logger('Checker for client {0} (command "{1}") was'
219
' killed by signal {2}'
220
.format(self.properties["Name"], command,
221
os.WTERMSIG(condition)))
222
elif os.WCOREDUMP(condition):
223
self.logger('Checker for client {0} (command "{1}")'
224
' dumped core'
225
.format(self.properties["Name"], command))
226
else:
227
self.logger('Checker for client {0} completed'
228
' mysteriously'
229
.format(self.properties["Name"]))
199
230
self.update()
200
231
201
232
def checker_started(self, command):
202
"""Server signals that a checker started."""
203
log.debug('Client %s started checker "%s"',
204
self.properties["Name"], command)
205
233
"""Server signals that a checker started. This could be useful
234
to log in the future. """
235
#self.logger('Client {0} started checker "{1}"'
236
# .format(self.properties["Name"],
237
# unicode(command)))
238
pass
239
206
240
def got_secret(self):
207
log.info("Client %s received its secret",
208
self.properties["Name"])
209
241
self.logger('Client {0} received its secret'
242
.format(self.properties["Name"]))
243
210
244
def need_approval(self, timeout, default):
211
245
if not default:
212
message = "Client %s needs approval within %f seconds"
246
message = 'Client {0} needs approval within {1} seconds'
213
247
else:
214
message = "Client %s will get its secret in %f seconds"
215
log.info(message, self.properties["Name"], timeout/1000)
216
248
message = 'Client {0} will get its secret in {1} seconds'
249
self.logger(message.format(self.properties["Name"],
250
timeout/1000))
251
self.using_timer(True)
252
217
253
def rejected(self, reason):
218
log.info("Client %s was rejected; reason: %s",
219
self.properties["Name"], reason)
220
254
self.logger('Client {0} was rejected; reason: {1}'
255
.format(self.properties["Name"], reason))
256
221
257
def selectable(self):
222
258
"""Make this a "selectable" widget.
223
259
This overrides the method from urwid.FlowWidget."""
224
260
return True
225
261
226
262
def rows(self, maxcolrow, focus=False):
227
263
"""How many rows this widget will occupy might depend on
228
264
whether we have focus or not.
229
265
This overrides the method from urwid.FlowWidget"""
230
266
return self.current_widget(focus).rows(maxcolrow, focus=focus)
231
267
232
268
def current_widget(self, focus=False):
233
269
if focus or self.opened:
234
270
return self._focus_widget
235
271
return self._widget
236
272
237
273
def update(self):
238
274
"Called when what is visible on the screen should be updated."
239
275
# How to add standout mode to a style
240
with_standout = {"normal": "standout",
241
"bold": "bold-standout",
242
"underline-blink":
243
"underline-blink-standout",
244
"bold-underline-blink":
245
"bold-underline-blink-standout",
246
}
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
278
"underline-blink":
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
282
}
247
283
248
284
# Rebuild focus and non-focus widgets using current properties
249
285
250
286
# Base part of a client. Name!
251
base = "{name}: ".format(name=self.properties["Name"])
287
base = '{name}: '.format(name=self.properties["Name"])
252
288
if not self.properties["Enabled"]:
253
289
message = "DISABLED"
254
self.using_timer(False)
255
290
elif self.properties["ApprovalPending"]:
256
timeout = datetime.timedelta(
257
milliseconds=self.properties["ApprovalDelay"])
291
timeout = datetime.timedelta(milliseconds
292
= self.properties
293
["ApprovalDelay"])
258
294
last_approval_request = isoformat_to_datetime(
259
295
self.properties["LastApprovalRequest"])
260
296
if last_approval_request is not None:
261
timer = max(timeout - (datetime.datetime.utcnow()
262
- last_approval_request),
263
datetime.timedelta())
297
timer = timeout - (datetime.datetime.utcnow()
298
- last_approval_request)
264
299
else:
265
300
timer = datetime.timedelta()
266
301
if self.properties["ApprovedByDefault"]:
267
message = "Approval in {}. (d)eny?"
302
message = "Approval in {0}. (d)eny?"
268
303
else:
269
message = "Denial in {}. (a)pprove?"
270
message = message.format(str(timer).rsplit(".", 1)[0])
271
self.using_timer(True)
304
message = "Denial in {0}. (a)pprove?"
305
message = message.format(unicode(timer).rsplit(".", 1)[0])
272
306
elif self.properties["LastCheckerStatus"] != 0:
273
# When checker has failed, show timer until client expires
307
# When checker has failed, print a timer until client expires
274
308
expires = self.properties["Expires"]
275
309
if expires == "":
276
310
timer = datetime.timedelta(0)
277
311
else:
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"
283
" gets disabled: {}"
284
.format(str(timer).rsplit(".", 1)[0]))
285
self.using_timer(True)
312
expires = datetime.datetime.strptime(expires,
313
'%Y-%m-%dT%H:%M:%S.%f')
314
timer = expires - datetime.datetime.utcnow()
315
message = ('A checker has failed! Time until client'
316
' gets disabled: {0}'
317
.format(unicode(timer).rsplit(".", 1)[0]))
286
318
else:
287
319
message = "enabled"
288
self.using_timer(False)
289
self._text = "{}{}".format(base, message)
290
320
self._text = "{0}{1}".format(base, message)
321
291
322
if not urwid.supports_unicode():
292
323
self._text = self._text.encode("ascii", "replace")
293
324
textlist = [("normal", self._text)]
303
334
# Run update hook, if any
304
335
if self.update_hook is not None:
305
336
self.update_hook()
306
337
307
338
def update_timer(self):
308
"""called by GLib. Will indefinitely loop until
309
GLib.source_remove() on tag is called
310
"""
339
"""called by gobject. Will indefinitely loop until
340
gobject.source_remove() on tag is called"""
311
341
self.update()
312
342
return True # Keep calling this
313
314
def delete(self, **kwargs):
343
344
def delete(self, *args, **kwargs):
315
345
if self._update_timer_callback_tag is not None:
316
GLib.source_remove(self._update_timer_callback_tag)
346
gobject.source_remove(self._update_timer_callback_tag)
317
347
self._update_timer_callback_tag = None
318
348
for match in self.match_objects:
319
349
match.remove()
320
350
self.match_objects = ()
321
351
if self.delete_hook is not None:
322
352
self.delete_hook(self)
323
return super(MandosClientWidget, self).delete(**kwargs)
324
353
return super(MandosClientWidget, self).delete(*args, **kwargs)
354
325
355
def render(self, maxcolrow, focus=False):
326
356
"""Render differently if we have focus.
327
357
This overrides the method from urwid.FlowWidget"""
328
358
return self.current_widget(focus).render(maxcolrow,
329
359
focus=focus)
330
360
331
361
def keypress(self, maxcolrow, key):
332
362
"""Handle keys.
333
363
This overrides the method from urwid.FlowWidget"""
334
364
if key == "+":
335
self.proxy.Set(client_interface, "Enabled",
336
dbus.Boolean(True), ignore_reply=True,
337
dbus_interface=dbus.PROPERTIES_IFACE)
365
self.proxy.Enable(dbus_interface = client_interface,
366
ignore_reply=True)
338
367
elif key == "-":
339
self.proxy.Set(client_interface, "Enabled", False,
340
ignore_reply=True,
341
dbus_interface=dbus.PROPERTIES_IFACE)
368
self.proxy.Disable(dbus_interface = client_interface,
369
ignore_reply=True)
342
370
elif key == "a":
343
371
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
344
dbus_interface=client_interface,
372
dbus_interface = client_interface,
345
373
ignore_reply=True)
346
374
elif key == "d":
347
375
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
348
dbus_interface=client_interface,
376
dbus_interface = client_interface,
349
377
ignore_reply=True)
350
378
elif key == "R" or key == "_" or key == "ctrl k":
351
379
self.server_proxy_object.RemoveClient(self.proxy
352
380
.object_path,
353
381
ignore_reply=True)
354
382
elif key == "s":
355
self.proxy.Set(client_interface, "CheckerRunning",
356
dbus.Boolean(True), ignore_reply=True,
357
dbus_interface=dbus.PROPERTIES_IFACE)
383
self.proxy.StartChecker(dbus_interface = client_interface,
384
ignore_reply=True)
358
385
elif key == "S":
359
self.proxy.Set(client_interface, "CheckerRunning",
360
dbus.Boolean(False), ignore_reply=True,
361
dbus_interface=dbus.PROPERTIES_IFACE)
386
self.proxy.StopChecker(dbus_interface = client_interface,
387
ignore_reply=True)
362
388
elif key == "C":
363
self.proxy.CheckedOK(dbus_interface=client_interface,
389
self.proxy.CheckedOK(dbus_interface = client_interface,
364
390
ignore_reply=True)
365
391
# xxx
366
392
# elif key == "p" or key == "=":
371
397
# self.open()
372
398
else:
373
399
return key
374
375
def properties_changed(self, interface, properties, invalidated):
376
"""Call self.update() if any properties changed.
400
401
def property_changed(self, property=None, value=None,
402
*args, **kwargs):
403
"""Call self.update() if old value is not new value.
377
404
This overrides the method from MandosClientPropertyCache"""
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):
405
property_name = unicode(property)
406
old_value = self.properties.get(property_name)
407
super(MandosClientWidget, self).property_changed(
408
property=property, value=value, *args, **kwargs)
409
if self.properties.get(property_name) != old_value:
384
410
self.update()
385
411
386
412
387
def glib_safely(func, retval=True):
388
def safe_func(*args, **kwargs):
389
try:
390
return func(*args, **kwargs)
391
except Exception:
392
log.exception("")
393
return retval
394
return safe_func
395
396
397
413
class ConstrainedListBox(urwid.ListBox):
398
414
"""Like a normal urwid.ListBox, but will consume all "up" or
399
415
"down" key presses, thus not allowing any containing widgets to
400
416
use them as an excuse to shift focus away from this widget.
401
417
"""
402
def keypress(self, *args, **kwargs):
403
ret = (super(ConstrainedListBox, self)
404
.keypress(*args, **kwargs))
418
def keypress(self, maxcolrow, key):
419
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
405
420
if ret in ("up", "down"):
406
421
return
407
422
return ret
408
423
409
424
410
class UserInterface:
425
class UserInterface(object):
411
426
"""This is the entire user interface - the whole screen
412
427
with boxes, lists of client widgets, etc.
413
428
"""
414
429
def __init__(self, max_log_length=1000):
415
430
DBusGMainLoop(set_as_default=True)
416
431
417
432
self.screen = urwid.curses_display.Screen()
418
433
419
434
self.screen.register_palette((
420
435
("normal",
421
436
"default", "default", None),
422
437
("bold",
423
"bold", "default", "bold"),
438
"default", "default", "bold"),
424
439
("underline-blink",
425
"underline,blink", "default", "underline,blink"),
440
"default", "default", "underline"),
426
441
("standout",
427
"standout", "default", "standout"),
442
"default", "default", "standout"),
428
443
("bold-underline-blink",
429
"bold,underline,blink", "default",
430
"bold,underline,blink"),
444
"default", "default", ("bold", "underline")),
431
445
("bold-standout",
432
"bold,standout", "default", "bold,standout"),
446
"default", "default", ("bold", "standout")),
433
447
("underline-blink-standout",
434
"underline,blink,standout", "default",
435
"underline,blink,standout"),
448
"default", "default", ("underline", "standout")),
436
449
("bold-underline-blink-standout",
437
"bold,underline,blink,standout", "default",
438
"bold,underline,blink,standout"),
450
"default", "default", ("bold", "underline",
451
"standout")),
439
452
))
440
453
441
454
if urwid.supports_unicode():
442
self.divider = "─" # \u2500
455
self.divider = "─" # \u2500
456
#self.divider = "━" # \u2501
443
457
else:
444
self.divider = "_" # \u005f
445
458
#self.divider = "-" # \u002d
459
self.divider = "_" # \u005f
460
446
461
self.screen.start()
447
462
448
463
self.size = self.screen.get_cols_rows()
449
464
450
465
self.clients = urwid.SimpleListWalker([])
451
466
self.clients_dict = {}
452
467
453
468
# We will add Text widgets to this list
454
self.log = urwid.SimpleListWalker([])
469
self.log = []
455
470
self.max_log_length = max_log_length
456
471
457
472
# We keep a reference to the log widget so we can remove it
458
473
# from the ListWalker without it getting destroyed
459
474
self.logbox = ConstrainedListBox(self.log)
460
475
461
476
# This keeps track of whether self.uilist currently has
462
477
# self.logbox in it or not
463
478
self.log_visible = True
464
479
self.log_wrap = "any"
465
466
self.loghandler = UILogHandler(self)
467
480
468
481
self.rebuild()
469
self.add_log_line(("bold",
470
"Mandos Monitor version " + version))
471
self.add_log_line(("bold", "q: Quit ?: Help"))
472
473
self.busname = domain + ".Mandos"
474
self.main_loop = GLib.MainLoop()
475
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)
479
482
self.log_message_raw(("bold",
483
"Mandos Monitor version " + version))
484
self.log_message_raw(("bold",
485
"q: Quit ?: Help"))
486
487
self.busname = domain + '.Mandos'
488
self.main_loop = gobject.MainLoop()
489
490
def client_not_found(self, fingerprint, address):
491
self.log_message("Client with address {0} and fingerprint"
492
" {1} could not be found"
493
.format(address, fingerprint))
494
480
495
def rebuild(self):
481
496
"""This rebuilds the User Interface.
482
497
Call this when the widget layout needs to change"""
483
498
self.uilist = []
484
# self.uilist.append(urwid.ListBox(self.clients))
499
#self.uilist.append(urwid.ListBox(self.clients))
485
500
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
486
501
clients),
487
# header=urwid.Divider(),
502
#header=urwid.Divider(),
488
503
header=None,
489
footer=urwid.Divider(
490
div_char=self.divider)))
504
footer=
505
urwid.Divider(div_char=
506
self.divider)))
491
507
if self.log_visible:
492
508
self.uilist.append(self.logbox)
493
509
self.topwidget = urwid.Pile(self.uilist)
494
495
def add_log_line(self, markup):
510
511
def log_message(self, message):
512
timestamp = datetime.datetime.now().isoformat()
513
self.log_message_raw(timestamp + ": " + message)
514
515
def log_message_raw(self, markup):
516
"""Add a log message to the log buffer."""
496
517
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
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,
518
if (self.max_log_length
519
and len(self.log) > self.max_log_length):
520
del self.log[0:len(self.log)-self.max_log_length-1]
521
self.logbox.set_focus(len(self.logbox.body.contents),
501
522
coming_from="above")
502
523
self.refresh()
503
524
504
525
def toggle_log_display(self):
505
526
"""Toggle visibility of the log buffer."""
506
527
self.log_visible = not self.log_visible
507
528
self.rebuild()
508
log.debug("Log visibility changed to: %s", self.log_visible)
509
529
#self.log_message("Log visibility changed to: "
530
# + unicode(self.log_visible))
531
510
532
def change_log_display(self):
511
533
"""Change type of log display.
512
534
Currently, this toggles wrapping of text lines."""
516
538
self.log_wrap = "clip"
517
539
for textwidget in self.log:
518
540
textwidget.set_wrap_mode(self.log_wrap)
519
log.debug("Wrap mode: %s", self.log_wrap)
520
521
def find_and_remove_client(self, path, interfaces):
541
#self.log_message("Wrap mode: " + self.log_wrap)
542
543
def find_and_remove_client(self, path, name):
522
544
"""Find a client by its object path and remove it.
523
524
This is connected to the InterfacesRemoved signal from the
545
546
This is connected to the ClientRemoved signal from the
525
547
Mandos server object."""
526
if client_interface not in interfaces:
527
# Not a Mandos client object; ignore
528
return
529
548
try:
530
549
client = self.clients_dict[path]
531
550
except KeyError:
532
551
# not found?
533
log.warning("Unknown client %s removed", path)
552
self.log_message("Unknown client {0!r} ({1!r}) removed"
553
.format(name, path))
534
554
return
535
555
client.delete()
536
537
def add_new_client(self, path, ifs_and_props):
538
"""Find a client by its object path and remove it.
539
540
This is connected to the InterfacesAdded signal from the
541
Mandos server object.
542
"""
543
if client_interface not in ifs_and_props:
544
# Not a Mandos client object; ignore
545
return
556
557
def add_new_client(self, path):
546
558
client_proxy_object = self.bus.get_object(self.busname, path)
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])),
559
self.add_client(MandosClientWidget(server_proxy_object
560
=self.mandos_serv,
561
proxy_object
562
=client_proxy_object,
563
update_hook
564
=self.refresh,
565
delete_hook
566
=self.remove_client,
567
logger
568
=self.log_message),
553
569
path=path)
554
570
555
571
def add_client(self, client, path=None):
556
572
self.clients.append(client)
557
573
if path is None:
558
574
path = client.proxy.object_path
559
575
self.clients_dict[path] = client
560
self.clients.sort(key=lambda c: c.properties["Name"])
576
self.clients.sort(None, lambda c: c.properties["Name"])
561
577
self.refresh()
562
578
563
579
def remove_client(self, client, path=None):
564
580
self.clients.remove(client)
565
581
if path is None:
566
582
path = client.proxy.object_path
567
583
del self.clients_dict[path]
584
if not self.clients_dict:
585
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
586
# is completely emptied, we need to recreate it.
587
self.clients = urwid.SimpleListWalker([])
588
self.rebuild()
568
589
self.refresh()
569
590
570
591
def refresh(self):
571
592
"""Redraw the screen"""
572
593
canvas = self.topwidget.render(self.size, focus=True)
573
594
self.screen.draw_screen(self.size, canvas)
574
595
575
596
def run(self):
576
597
"""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
581
log.setLevel("INFO")
582
598
self.bus = dbus.SystemBus()
583
599
mandos_dbus_objc = self.bus.get_object(
584
600
self.busname, "/", follow_name_owner_changes=True)
585
self.mandos_serv = dbus.Interface(
586
mandos_dbus_objc, dbus_interface=server_interface)
601
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
602
dbus_interface
603
= server_interface)
587
604
try:
588
605
mandos_clients = (self.mandos_serv
589
606
.GetAllClientsWithProperties())
590
if not mandos_clients:
591
log.warning("Note: Server has no clients.")
592
607
except dbus.exceptions.DBusException:
593
log.warning("Note: No Mandos server running.")
594
608
mandos_clients = dbus.Dictionary()
595
609
596
610
(self.mandos_serv
597
.connect_to_signal("InterfacesRemoved",
611
.connect_to_signal("ClientRemoved",
598
612
self.find_and_remove_client,
599
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
613
dbus_interface=server_interface,
600
614
byte_arrays=True))
601
615
(self.mandos_serv
602
.connect_to_signal("InterfacesAdded",
616
.connect_to_signal("ClientAdded",
603
617
self.add_new_client,
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
618
dbus_interface=server_interface,
605
619
byte_arrays=True))
606
620
(self.mandos_serv
607
621
.connect_to_signal("ClientNotFound",
608
622
self.client_not_found,
609
623
dbus_interface=server_interface,
610
624
byte_arrays=True))
611
for path, client in mandos_clients.items():
625
for path, client in mandos_clients.iteritems():
612
626
client_proxy_object = self.bus.get_object(self.busname,
613
627
path)
614
self.add_client(MandosClientWidget(
615
server_proxy_object=self.mandos_serv,
616
proxy_object=client_proxy_object,
617
properties=client,
618
update_hook=self.refresh,
619
delete_hook=self.remove_client),
628
self.add_client(MandosClientWidget(server_proxy_object
629
=self.mandos_serv,
630
proxy_object
631
=client_proxy_object,
632
properties=client,
633
update_hook
634
=self.refresh,
635
delete_hook
636
=self.remove_client,
637
logger
638
=self.log_message),
620
639
path=path)
621
640
622
641
self.refresh()
623
self._input_callback_tag = (
624
GLib.io_add_watch(
625
GLib.IOChannel.unix_new(sys.stdin.fileno()),
626
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
627
glib_safely(self.process_input)))
642
self._input_callback_tag = (gobject.io_add_watch
643
(sys.stdin.fileno(),
644
gobject.IO_IN,
645
self.process_input))
628
646
self.main_loop.run()
629
647
# Main loop has finished, we should close everything now
630
GLib.source_remove(self._input_callback_tag)
631
with warnings.catch_warnings():
632
warnings.simplefilter("ignore", BytesWarning)
633
self.screen.stop()
634
648
gobject.source_remove(self._input_callback_tag)
649
self.screen.stop()
650
635
651
def stop(self):
636
652
self.main_loop.quit()
637
log.removeHandler(self.loghandler)
638
log.propagate = self.orig_log_propagate
639
653
640
654
def process_input(self, source, condition):
641
655
keys = self.screen.get_input()
642
translations = {"ctrl n": "down", # Emacs
643
"ctrl p": "up", # Emacs
644
"ctrl v": "page down", # Emacs
645
"meta v": "page up", # Emacs
646
" ": "page down", # less
647
"f": "page down", # less
648
"b": "page up", # less
649
"j": "down", # vi
650
"k": "up", # vi
651
}
656
translations = { "ctrl n": "down", # Emacs
657
"ctrl p": "up", # Emacs
658
"ctrl v": "page down", # Emacs
659
"meta v": "page up", # Emacs
660
" ": "page down", # less
661
"f": "page down", # less
662
"b": "page up", # less
663
"j": "down", # vi
664
"k": "up", # vi
665
}
652
666
for key in keys:
653
667
try:
654
668
key = translations[key]
655
669
except KeyError: # :-)
656
670
pass
657
671
658
672
if key == "q" or key == "Q":
659
673
self.stop()
660
674
break
661
675
elif key == "window resize":
662
676
self.size = self.screen.get_cols_rows()
663
677
self.refresh()
664
elif key == "ctrl l":
665
self.screen.clear()
678
elif key == "\f": # Ctrl-L
666
679
self.refresh()
667
680
elif key == "l" or key == "D":
668
681
self.toggle_log_display()
674
687
if not self.log_visible:
675
688
self.log_visible = True
676
689
self.rebuild()
677
self.add_log_line(("bold",
678
" ".join(("q: Quit",
679
"?: Help",
680
"l: Log window toggle",
681
"TAB: Switch window",
682
"w: Wrap (log lines)",
683
"v: Toggle verbose log",
684
))))
685
self.add_log_line(("bold",
686
" ".join(("Clients:",
687
"+: Enable",
688
"-: Disable",
689
"R: Remove",
690
"s: Start new checker",
691
"S: Stop checker",
692
"C: Checker OK",
693
"a: Approve",
694
"d: Deny",
695
))))
690
self.log_message_raw(("bold",
691
" ".
692
join(("q: Quit",
693
"?: Help",
694
"l: Log window toggle",
695
"TAB: Switch window",
696
"w: Wrap (log)"))))
697
self.log_message_raw(("bold",
698
" "
699
.join(("Clients:",
700
"+: Enable",
701
"-: Disable",
702
"R: Remove",
703
"s: Start new checker",
704
"S: Stop checker",
705
"C: Checker OK",
706
"a: Approve",
707
"d: Deny"))))
696
708
self.refresh()
697
709
elif key == "tab":
698
710
if self.topwidget.get_focus() is self.logbox:
700
712
else:
701
713
self.topwidget.set_focus(self.logbox)
702
714
self.refresh()
703
elif key == "v":
704
if log.level < logging.INFO:
705
log.setLevel(logging.INFO)
706
log.info("Verbose mode: Off")
707
else:
708
log.setLevel(logging.NOTSET)
709
log.info("Verbose mode: On")
710
# elif (key == "end" or key == "meta >" or key == "G"
711
# or key == ">"):
712
# pass # xxx end-of-buffer
713
# elif (key == "home" or key == "meta <" or key == "g"
714
# or key == "<"):
715
# pass # xxx beginning-of-buffer
716
# elif key == "ctrl e" or key == "$":
717
# pass # xxx move-end-of-line
718
# elif key == "ctrl a" or key == "^":
719
# pass # xxx move-beginning-of-line
720
# elif key == "ctrl b" or key == "meta (" or key == "h":
721
# pass # xxx left
722
# elif key == "ctrl f" or key == "meta )" or key == "l":
723
# pass # xxx right
724
# elif key == "a":
725
# pass # scroll up log
726
# elif key == "z":
727
# pass # scroll down log
715
#elif (key == "end" or key == "meta >" or key == "G"
716
# or key == ">"):
717
# pass # xxx end-of-buffer
718
#elif (key == "home" or key == "meta <" or key == "g"
719
# or key == "<"):
720
# pass # xxx beginning-of-buffer
721
#elif key == "ctrl e" or key == "$":
722
# pass # xxx move-end-of-line
723
#elif key == "ctrl a" or key == "^":
724
# pass # xxx move-beginning-of-line
725
#elif key == "ctrl b" or key == "meta (" or key == "h":
726
# pass # xxx left
727
#elif key == "ctrl f" or key == "meta )" or key == "l":
728
# pass # xxx right
729
#elif key == "a":
730
# pass # scroll up log
731
#elif key == "z":
732
# pass # scroll down log
728
733
elif self.topwidget.selectable():
729
734
self.topwidget.keypress(self.size, key)
730
735
self.refresh()
731
736
return True
732
737
733
734
class UILogHandler(logging.Handler):
735
def __init__(self, ui, *args, **kwargs):
736
self.ui = ui
737
super(UILogHandler, self).__init__(*args, **kwargs)
738
self.setFormatter(
739
logging.Formatter("%(asctime)s: %(message)s"))
740
def emit(self, record):
741
msg = self.format(record)
742
if record.levelno > logging.INFO:
743
msg = ("bold", msg)
744
self.ui.add_log_line(msg)
745
746
747
738
ui = UserInterface()
748
739
try:
749
740
ui.run()
750
741
except KeyboardInterrupt:
751
with warnings.catch_warnings():
752
warnings.filterwarnings("ignore", "", BytesWarning)
753
ui.screen.stop()
754
except Exception:
755
with warnings.catch_warnings():
756
warnings.filterwarnings("ignore", "", BytesWarning)
757
ui.screen.stop()
742
ui.screen.stop()
743
except Exception, e:
744
ui.log_message(unicode(e))
745
ui.screen.stop()
758
746
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0