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- Committer: Teddy Hogeborn
- Date: 2024-11-22 20:28:54 UTC
- Revision ID: teddy@recompile.se-20241122202854-dycuf117byxhxl32
mandos-monitor: Avoid debug messages from urwid
Avoid debug messages from urwid. Any logging output before the screen
has been set up will mangle the screen.
* mandos-monitor: When setting up logging, set urwid to only show log
messages of level INFO or above.
(Thanks to an anonymous contributor for reporting this.)
Avoid debug messages from urwid. Any logging output before the screen
has been set up will mangle the screen.
* mandos-monitor: When setting up logging, set urwid to only show log
messages of level INFO or above.
(Thanks to an anonymous contributor for reporting this.)
- files added:
- DBUS-API
- debian/source
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files removed:
- initramfs-tools-hook-conf
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python
1
#!/usr/bin/python3 -bbI
2
2
# -*- mode: python; coding: utf-8 -*-
3
#
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
13
# the Free Software Foundation, either version 3 of the License, or
14
# (at your option) any later version.
15
#
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.
20
#
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/>.
23
#
24
# Contact the authors at <mandos@recompile.se>.
25
#
26
from __future__ import (division, absolute_import, print_function,
27
unicode_literals)
3
28
4
from __future__ import division, absolute_import, with_statement
29
try:
30
from future_builtins import *
31
except ImportError:
32
pass
5
33
6
34
import sys
35
import logging
7
36
import os
8
import signal
9
37
import warnings
10
38
import datetime
39
import locale
11
40
12
41
import urwid.curses_display
13
42
import urwid
14
43
15
44
from dbus.mainloop.glib import DBusGMainLoop
16
import gobject
45
from gi.repository import GLib
17
46
18
47
import dbus
19
48
20
import UserList
21
22
import locale
23
24
locale.setlocale(locale.LC_ALL, u'')
49
if sys.version_info.major == 2:
50
__metaclass__ = type
51
str = unicode
52
input = raw_input
53
54
# Show warnings by default
55
if not sys.warnoptions:
56
warnings.simplefilter("default")
57
58
log = logging.getLogger(os.path.basename(sys.argv[0]))
59
logging.basicConfig(level="NOTSET", # Show all messages
60
format="%(message)s") # Show basic log messages
61
62
logging.captureWarnings(True) # Show warnings via the logging system
63
64
locale.setlocale(locale.LC_ALL, "")
65
66
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
67
logging.getLogger("urwid").setLevel(logging.INFO)
25
68
26
69
# Some useful constants
27
domain = 'se.bsnet.fukt'
28
server_interface = domain + '.Mandos'
29
client_interface = domain + '.Mandos.Client'
30
version = "1.0.14"
31
32
# Always run in monochrome mode
33
urwid.curses_display.curses.has_colors = lambda : False
34
35
# Urwid doesn't support blinking, but we want it. Since we have no
36
# use for underline on its own, we make underline also always blink.
37
urwid.curses_display.curses.A_UNDERLINE |= (
38
urwid.curses_display.curses.A_BLINK)
39
40
class MandosClientPropertyCache(object):
70
domain = "se.recompile"
71
server_interface = domain + ".Mandos"
72
client_interface = domain + ".Mandos.Client"
73
version = "1.8.17"
74
75
try:
76
dbus.OBJECT_MANAGER_IFACE
77
except AttributeError:
78
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
79
80
81
def isoformat_to_datetime(iso):
82
"Parse an ISO 8601 date string to a datetime.datetime()"
83
if not iso:
84
return None
85
d, t = iso.split("T", 1)
86
year, month, day = d.split("-", 2)
87
hour, minute, second = t.split(":", 2)
88
second, fraction = divmod(float(second), 1)
89
return datetime.datetime(int(year),
90
int(month),
91
int(day),
92
int(hour),
93
int(minute),
94
int(second), # Whole seconds
95
int(fraction*1000000)) # Microseconds
96
97
98
class MandosClientPropertyCache:
41
99
"""This wraps a Mandos Client D-Bus proxy object, caches the
42
100
properties and calls a hook function when any of them are
43
101
changed.
44
102
"""
45
def __init__(self, proxy_object=None, *args, **kwargs):
46
self.proxy = proxy_object # Mandos Client proxy object
47
48
self.properties = dict()
49
self.proxy.connect_to_signal(u"PropertyChanged",
50
self.property_changed,
51
client_interface,
52
byte_arrays=True)
53
54
self.properties.update(
55
self.proxy.GetAll(client_interface,
56
dbus_interface = dbus.PROPERTIES_IFACE))
57
super(MandosClientPropertyCache, self).__init__(
58
proxy_object=proxy_object, *args, **kwargs)
59
60
def property_changed(self, property=None, value=None):
61
"""This is called whenever we get a PropertyChanged signal
62
It updates the changed property in the "properties" dict.
103
def __init__(self, proxy_object=None, properties=None, **kwargs):
104
self.proxy = proxy_object # Mandos Client proxy object
105
self.properties = dict() if properties is None else properties
106
self.property_changed_match = (
107
self.proxy.connect_to_signal("PropertiesChanged",
108
self.properties_changed,
109
dbus.PROPERTIES_IFACE,
110
byte_arrays=True))
111
112
if properties is None:
113
self.properties.update(self.proxy.GetAll(
114
client_interface,
115
dbus_interface=dbus.PROPERTIES_IFACE))
116
117
super(MandosClientPropertyCache, self).__init__(**kwargs)
118
119
def properties_changed(self, interface, properties, invalidated):
120
"""This is called whenever we get a PropertiesChanged signal
121
It updates the changed properties in the "properties" dict.
63
122
"""
64
123
# Update properties dict with new value
65
self.properties[property] = value
124
if interface == client_interface:
125
self.properties.update(properties)
126
127
def delete(self):
128
self.property_changed_match.remove()
66
129
67
130
68
131
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
69
132
"""A Mandos Client which is visible on the screen.
70
133
"""
71
134
72
135
def __init__(self, server_proxy_object=None, update_hook=None,
73
delete_hook=None, logger=None, *args, **kwargs):
136
delete_hook=None, **kwargs):
74
137
# Called on update
75
138
self.update_hook = update_hook
76
139
# Called on delete
77
140
self.delete_hook = delete_hook
78
141
# Mandos Server proxy object
79
142
self.server_proxy_object = server_proxy_object
80
# Logger
81
self.logger = logger
82
143
144
self._update_timer_callback_tag = None
145
83
146
# The widget shown normally
84
self._text_widget = urwid.Text(u"")
147
self._text_widget = urwid.Text("")
85
148
# The widget shown when we have focus
86
self._focus_text_widget = urwid.Text(u"")
87
super(MandosClientWidget, self).__init__(
88
update_hook=update_hook, delete_hook=delete_hook,
89
*args, **kwargs)
149
self._focus_text_widget = urwid.Text("")
150
super(MandosClientWidget, self).__init__(**kwargs)
90
151
self.update()
91
152
self.opened = False
92
self.proxy.connect_to_signal(u"CheckerCompleted",
93
self.checker_completed,
94
client_interface,
95
byte_arrays=True)
96
self.proxy.connect_to_signal(u"CheckerStarted",
97
self.checker_started,
98
client_interface,
99
byte_arrays=True)
100
self.proxy.connect_to_signal(u"GotSecret",
101
self.got_secret,
102
client_interface,
103
byte_arrays=True)
104
self.proxy.connect_to_signal(u"Rejected",
105
self.rejected,
106
client_interface,
107
byte_arrays=True)
108
153
154
self.match_objects = (
155
self.proxy.connect_to_signal("CheckerCompleted",
156
self.checker_completed,
157
client_interface,
158
byte_arrays=True),
159
self.proxy.connect_to_signal("CheckerStarted",
160
self.checker_started,
161
client_interface,
162
byte_arrays=True),
163
self.proxy.connect_to_signal("GotSecret",
164
self.got_secret,
165
client_interface,
166
byte_arrays=True),
167
self.proxy.connect_to_signal("NeedApproval",
168
self.need_approval,
169
client_interface,
170
byte_arrays=True),
171
self.proxy.connect_to_signal("Rejected",
172
self.rejected,
173
client_interface,
174
byte_arrays=True))
175
log.debug("Created client %s", self.properties["Name"])
176
177
def using_timer(self, flag):
178
"""Call this method with True or False when timer should be
179
activated or deactivated.
180
"""
181
if flag and self._update_timer_callback_tag is None:
182
# Will update the shown timer value every second
183
self._update_timer_callback_tag = (
184
GLib.timeout_add(1000,
185
glib_safely(self.update_timer)))
186
elif not (flag or self._update_timer_callback_tag is None):
187
GLib.source_remove(self._update_timer_callback_tag)
188
self._update_timer_callback_tag = None
189
109
190
def checker_completed(self, exitstatus, condition, command):
110
191
if exitstatus == 0:
111
self.logger(u'Checker for client %s (command "%s")'
112
u' was successful'
113
% (self.properties[u"name"], command))
192
log.debug('Checker for client %s (command "%s")'
193
" succeeded", self.properties["Name"], command)
194
self.update()
114
195
return
196
# Checker failed
115
197
if os.WIFEXITED(condition):
116
self.logger(u'Checker for client %s (command "%s")'
117
u' failed with exit code %s'
118
% (self.properties[u"name"], command,
119
os.WEXITSTATUS(condition)))
120
return
121
if os.WIFSIGNALED(condition):
122
self.logger(u'Checker for client %s (command "%s")'
123
u' was killed by signal %s'
124
% (self.properties[u"name"], command,
125
os.WTERMSIG(condition)))
126
return
127
if os.WCOREDUMP(condition):
128
self.logger(u'Checker for client %s (command "%s")'
129
u' dumped core'
130
% (self.properties[u"name"], command))
131
self.logger(u'Checker for client %s completed mysteriously')
132
198
log.info('Checker for client %s (command "%s") failed'
199
" with exit code %d", self.properties["Name"],
200
command, os.WEXITSTATUS(condition))
201
elif os.WIFSIGNALED(condition):
202
log.info('Checker for client %s (command "%s") was'
203
" killed by signal %d", self.properties["Name"],
204
command, os.WTERMSIG(condition))
205
self.update()
206
133
207
def checker_started(self, command):
134
self.logger(u'Client %s started checker "%s"'
135
% (self.properties[u"name"], unicode(command)))
136
208
"""Server signals that a checker started."""
209
log.debug('Client %s started checker "%s"',
210
self.properties["Name"], command)
211
137
212
def got_secret(self):
138
self.logger(u'Client %s received its secret'
139
% self.properties[u"name"])
140
141
def rejected(self):
142
self.logger(u'Client %s was rejected'
143
% self.properties[u"name"])
144
213
log.info("Client %s received its secret",
214
self.properties["Name"])
215
216
def need_approval(self, timeout, default):
217
if not default:
218
message = "Client %s needs approval within %f seconds"
219
else:
220
message = "Client %s will get its secret in %f seconds"
221
log.info(message, self.properties["Name"], timeout/1000)
222
223
def rejected(self, reason):
224
log.info("Client %s was rejected; reason: %s",
225
self.properties["Name"], reason)
226
145
227
def selectable(self):
146
228
"""Make this a "selectable" widget.
147
229
This overrides the method from urwid.FlowWidget."""
148
230
return True
149
150
def rows(self, (maxcol,), focus=False):
231
232
def rows(self, maxcolrow, focus=False):
151
233
"""How many rows this widget will occupy might depend on
152
234
whether we have focus or not.
153
235
This overrides the method from urwid.FlowWidget"""
154
return self.current_widget(focus).rows((maxcol,), focus=focus)
155
236
return self.current_widget(focus).rows(maxcolrow, focus=focus)
237
156
238
def current_widget(self, focus=False):
157
239
if focus or self.opened:
158
240
return self._focus_widget
159
241
return self._widget
160
242
161
243
def update(self):
162
244
"Called when what is visible on the screen should be updated."
163
245
# How to add standout mode to a style
164
with_standout = { u"normal": u"standout",
165
u"bold": u"bold-standout",
166
u"underline-blink":
167
u"underline-blink-standout",
168
u"bold-underline-blink":
169
u"bold-underline-blink-standout",
170
}
171
246
with_standout = {"normal": "standout",
247
"bold": "bold-standout",
248
"underline-blink":
249
"underline-blink-standout",
250
"bold-underline-blink":
251
"bold-underline-blink-standout",
252
}
253
172
254
# Rebuild focus and non-focus widgets using current properties
173
self._text = (u'%(name)s: %(enabled)s'
174
% { u"name": self.properties[u"name"],
175
u"enabled":
176
(u"enabled"
177
if self.properties[u"enabled"]
178
else u"DISABLED")})
255
256
# Base part of a client. Name!
257
base = "{name}: ".format(name=self.properties["Name"])
258
if not self.properties["Enabled"]:
259
message = "DISABLED"
260
self.using_timer(False)
261
elif self.properties["ApprovalPending"]:
262
timeout = datetime.timedelta(
263
milliseconds=self.properties["ApprovalDelay"])
264
last_approval_request = isoformat_to_datetime(
265
self.properties["LastApprovalRequest"])
266
if last_approval_request is not None:
267
timer = max(timeout - (datetime.datetime.utcnow()
268
- last_approval_request),
269
datetime.timedelta())
270
else:
271
timer = datetime.timedelta()
272
if self.properties["ApprovedByDefault"]:
273
message = "Approval in {}. (d)eny?"
274
else:
275
message = "Denial in {}. (a)pprove?"
276
message = message.format(str(timer).rsplit(".", 1)[0])
277
self.using_timer(True)
278
elif self.properties["LastCheckerStatus"] != 0:
279
# When checker has failed, show timer until client expires
280
expires = self.properties["Expires"]
281
if expires == "":
282
timer = datetime.timedelta(0)
283
else:
284
expires = (datetime.datetime.strptime
285
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
286
timer = max(expires - datetime.datetime.utcnow(),
287
datetime.timedelta())
288
message = ("A checker has failed! Time until client"
289
" gets disabled: {}"
290
.format(str(timer).rsplit(".", 1)[0]))
291
self.using_timer(True)
292
else:
293
message = "enabled"
294
self.using_timer(False)
295
self._text = "{}{}".format(base, message)
296
179
297
if not urwid.supports_unicode():
180
298
self._text = self._text.encode("ascii", "replace")
181
textlist = [(u"normal", self._text)]
299
textlist = [("normal", self._text)]
182
300
self._text_widget.set_text(textlist)
183
301
self._focus_text_widget.set_text([(with_standout[text[0]],
184
302
text[1])
191
309
# Run update hook, if any
192
310
if self.update_hook is not None:
193
311
self.update_hook()
194
195
def delete(self):
312
313
def update_timer(self):
314
"""called by GLib. Will indefinitely loop until
315
GLib.source_remove() on tag is called
316
"""
317
self.update()
318
return True # Keep calling this
319
320
def delete(self, **kwargs):
321
if self._update_timer_callback_tag is not None:
322
GLib.source_remove(self._update_timer_callback_tag)
323
self._update_timer_callback_tag = None
324
for match in self.match_objects:
325
match.remove()
326
self.match_objects = ()
196
327
if self.delete_hook is not None:
197
328
self.delete_hook(self)
198
199
def render(self, (maxcol,), focus=False):
329
return super(MandosClientWidget, self).delete(**kwargs)
330
331
def render(self, maxcolrow, focus=False):
200
332
"""Render differently if we have focus.
201
333
This overrides the method from urwid.FlowWidget"""
202
return self.current_widget(focus).render((maxcol,),
334
return self.current_widget(focus).render(maxcolrow,
203
335
focus=focus)
204
205
def keypress(self, (maxcol,), key):
336
337
def keypress(self, maxcolrow, key):
206
338
"""Handle keys.
207
339
This overrides the method from urwid.FlowWidget"""
208
if key == u"e" or key == u"+":
209
self.proxy.Enable()
210
elif key == u"d" or key == u"-":
211
self.proxy.Disable()
212
elif key == u"r" or key == u"_" or key == u"ctrl k":
340
if key == "+":
341
self.proxy.Set(client_interface, "Enabled",
342
dbus.Boolean(True), ignore_reply=True,
343
dbus_interface=dbus.PROPERTIES_IFACE)
344
elif key == "-":
345
self.proxy.Set(client_interface, "Enabled", False,
346
ignore_reply=True,
347
dbus_interface=dbus.PROPERTIES_IFACE)
348
elif key == "a":
349
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
350
dbus_interface=client_interface,
351
ignore_reply=True)
352
elif key == "d":
353
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
354
dbus_interface=client_interface,
355
ignore_reply=True)
356
elif key == "R" or key == "_" or key == "ctrl k":
213
357
self.server_proxy_object.RemoveClient(self.proxy
214
.object_path)
215
elif key == u"s":
216
self.proxy.StartChecker()
217
elif key == u"S":
218
self.proxy.StopChecker()
219
elif key == u"C":
220
self.proxy.CheckedOK()
358
.object_path,
359
ignore_reply=True)
360
elif key == "s":
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(True), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
364
elif key == "S":
365
self.proxy.Set(client_interface, "CheckerRunning",
366
dbus.Boolean(False), ignore_reply=True,
367
dbus_interface=dbus.PROPERTIES_IFACE)
368
elif key == "C":
369
self.proxy.CheckedOK(dbus_interface=client_interface,
370
ignore_reply=True)
221
371
# xxx
222
# elif key == u"p" or key == "=":
372
# elif key == "p" or key == "=":
223
373
# self.proxy.pause()
224
# elif key == u"u" or key == ":":
374
# elif key == "u" or key == ":":
225
375
# self.proxy.unpause()
226
# elif key == u"RET":
376
# elif key == "RET":
227
377
# self.open()
228
378
else:
229
379
return key
230
231
def property_changed(self, property=None, value=None,
232
*args, **kwargs):
233
"""Call self.update() if old value is not new value.
380
381
def properties_changed(self, interface, properties, invalidated):
382
"""Call self.update() if any properties changed.
234
383
This overrides the method from MandosClientPropertyCache"""
235
property_name = unicode(property)
236
old_value = self.properties.get(property_name)
237
super(MandosClientWidget, self).property_changed(
238
property=property, value=value, *args, **kwargs)
239
if self.properties.get(property_name) != old_value:
384
old_values = {key: self.properties.get(key)
385
for key in properties.keys()}
386
super(MandosClientWidget, self).properties_changed(
387
interface, properties, invalidated)
388
if any(old_values[key] != self.properties.get(key)
389
for key in old_values):
240
390
self.update()
241
391
242
392
393
def glib_safely(func, retval=True):
394
def safe_func(*args, **kwargs):
395
try:
396
return func(*args, **kwargs)
397
except Exception:
398
log.exception("")
399
return retval
400
return safe_func
401
402
243
403
class ConstrainedListBox(urwid.ListBox):
244
404
"""Like a normal urwid.ListBox, but will consume all "up" or
245
405
"down" key presses, thus not allowing any containing widgets to
246
406
use them as an excuse to shift focus away from this widget.
247
407
"""
248
def keypress(self, (maxcol, maxrow), key):
249
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
250
if ret in (u"up", u"down"):
408
def keypress(self, *args, **kwargs):
409
ret = (super(ConstrainedListBox, self)
410
.keypress(*args, **kwargs))
411
if ret in ("up", "down"):
251
412
return
252
413
return ret
253
414
254
415
255
class UserInterface(object):
416
class UserInterface:
256
417
"""This is the entire user interface - the whole screen
257
418
with boxes, lists of client widgets, etc.
258
419
"""
259
420
def __init__(self, max_log_length=1000):
260
421
DBusGMainLoop(set_as_default=True)
261
422
262
423
self.screen = urwid.curses_display.Screen()
263
424
264
425
self.screen.register_palette((
265
(u"normal",
266
u"default", u"default", None),
267
(u"bold",
268
u"default", u"default", u"bold"),
269
(u"underline-blink",
270
u"default", u"default", u"underline"),
271
(u"standout",
272
u"default", u"default", u"standout"),
273
(u"bold-underline-blink",
274
u"default", u"default", (u"bold", u"underline")),
275
(u"bold-standout",
276
u"default", u"default", (u"bold", u"standout")),
277
(u"underline-blink-standout",
278
u"default", u"default", (u"underline", u"standout")),
279
(u"bold-underline-blink-standout",
280
u"default", u"default", (u"bold", u"underline",
281
u"standout")),
426
("normal",
427
"default", "default", None),
428
("bold",
429
"bold", "default", "bold"),
430
("underline-blink",
431
"underline,blink", "default", "underline,blink"),
432
("standout",
433
"standout", "default", "standout"),
434
("bold-underline-blink",
435
"bold,underline,blink", "default",
436
"bold,underline,blink"),
437
("bold-standout",
438
"bold,standout", "default", "bold,standout"),
439
("underline-blink-standout",
440
"underline,blink,standout", "default",
441
"underline,blink,standout"),
442
("bold-underline-blink-standout",
443
"bold,underline,blink,standout", "default",
444
"bold,underline,blink,standout"),
282
445
))
283
446
284
447
if urwid.supports_unicode():
285
self.divider = u"─" # \u2500
286
#self.divider = u"━" # \u2501
448
self.divider = "─" # \u2500
287
449
else:
288
#self.divider = u"-" # \u002d
289
self.divider = u"_" # \u005f
290
450
self.divider = "_" # \u005f
451
291
452
self.screen.start()
292
453
293
454
self.size = self.screen.get_cols_rows()
294
455
295
456
self.clients = urwid.SimpleListWalker([])
296
457
self.clients_dict = {}
297
458
298
459
# We will add Text widgets to this list
299
self.log = []
460
self.log = urwid.SimpleListWalker([])
300
461
self.max_log_length = max_log_length
301
462
302
463
# We keep a reference to the log widget so we can remove it
303
464
# from the ListWalker without it getting destroyed
304
465
self.logbox = ConstrainedListBox(self.log)
305
466
306
467
# This keeps track of whether self.uilist currently has
307
468
# self.logbox in it or not
308
469
self.log_visible = True
309
self.log_wrap = u"any"
310
470
self.log_wrap = "any"
471
472
self.loghandler = UILogHandler(self)
473
311
474
self.rebuild()
312
self.log_message_raw((u"bold",
313
u"Mandos Monitor version " + version))
314
self.log_message_raw((u"bold",
315
u"q: Quit ?: Help"))
316
317
self.busname = domain + '.Mandos'
318
self.main_loop = gobject.MainLoop()
319
self.bus = dbus.SystemBus()
320
mandos_dbus_objc = self.bus.get_object(
321
self.busname, u"/", follow_name_owner_changes=True)
322
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
323
dbus_interface
324
= server_interface)
325
try:
326
mandos_clients = (self.mandos_serv
327
.GetAllClientsWithProperties())
328
except dbus.exceptions.DBusException:
329
mandos_clients = dbus.Dictionary()
330
331
(self.mandos_serv
332
.connect_to_signal(u"ClientRemoved",
333
self.find_and_remove_client,
334
dbus_interface=server_interface,
335
byte_arrays=True))
336
(self.mandos_serv
337
.connect_to_signal(u"ClientAdded",
338
self.add_new_client,
339
dbus_interface=server_interface,
340
byte_arrays=True))
341
(self.mandos_serv
342
.connect_to_signal(u"ClientNotFound",
343
self.client_not_found,
344
dbus_interface=server_interface,
345
byte_arrays=True))
346
for path, client in mandos_clients.iteritems():
347
client_proxy_object = self.bus.get_object(self.busname,
348
path)
349
self.add_client(MandosClientWidget(server_proxy_object
350
=self.mandos_serv,
351
proxy_object
352
=client_proxy_object,
353
properties=client,
354
update_hook
355
=self.refresh,
356
delete_hook
357
=self.remove_client,
358
logger
359
=self.log_message),
360
path=path)
361
362
def client_not_found(self, fingerprint, address):
363
self.log_message((u"Client with address %s and fingerprint %s"
364
u" could not be found" % (address,
365
fingerprint)))
366
475
self.add_log_line(("bold",
476
"Mandos Monitor version " + version))
477
self.add_log_line(("bold", "q: Quit ?: Help"))
478
479
self.busname = domain + ".Mandos"
480
self.main_loop = GLib.MainLoop()
481
482
def client_not_found(self, key_id, address):
483
log.info("Client with address %s and key ID %s could"
484
" not be found", address, key_id)
485
367
486
def rebuild(self):
368
487
"""This rebuilds the User Interface.
369
488
Call this when the widget layout needs to change"""
370
489
self.uilist = []
371
#self.uilist.append(urwid.ListBox(self.clients))
372
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
373
#header=urwid.Divider(),
490
# self.uilist.append(urwid.ListBox(self.clients))
491
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
492
clients),
493
# header=urwid.Divider(),
374
494
header=None,
375
footer=urwid.Divider(div_char=self.divider)))
495
footer=urwid.Divider(
496
div_char=self.divider)))
376
497
if self.log_visible:
377
498
self.uilist.append(self.logbox)
378
pass
379
499
self.topwidget = urwid.Pile(self.uilist)
380
381
def log_message(self, message):
382
timestamp = datetime.datetime.now().isoformat()
383
self.log_message_raw(timestamp + u": " + message)
384
385
def log_message_raw(self, markup):
386
"""Add a log message to the log buffer."""
500
501
def add_log_line(self, markup):
387
502
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
388
if (self.max_log_length
389
and len(self.log) > self.max_log_length):
390
del self.log[0:len(self.log)-self.max_log_length-1]
391
self.logbox.set_focus(len(self.logbox.body.contents),
392
coming_from=u"above")
503
if self.max_log_length:
504
if len(self.log) > self.max_log_length:
505
del self.log[0:(len(self.log) - self.max_log_length)]
506
self.logbox.set_focus(len(self.logbox.body.contents)-1,
507
coming_from="above")
393
508
self.refresh()
394
509
395
510
def toggle_log_display(self):
396
511
"""Toggle visibility of the log buffer."""
397
512
self.log_visible = not self.log_visible
398
513
self.rebuild()
399
self.log_message(u"Log visibility changed to: "
400
+ unicode(self.log_visible))
401
514
log.debug("Log visibility changed to: %s", self.log_visible)
515
402
516
def change_log_display(self):
403
517
"""Change type of log display.
404
518
Currently, this toggles wrapping of text lines."""
405
if self.log_wrap == u"clip":
406
self.log_wrap = u"any"
519
if self.log_wrap == "clip":
520
self.log_wrap = "any"
407
521
else:
408
self.log_wrap = u"clip"
522
self.log_wrap = "clip"
409
523
for textwidget in self.log:
410
524
textwidget.set_wrap_mode(self.log_wrap)
411
self.log_message(u"Wrap mode: " + self.log_wrap)
412
413
def find_and_remove_client(self, path, name):
414
"""Find an client from its object path and remove it.
415
416
This is connected to the ClientRemoved signal from the
525
log.debug("Wrap mode: %s", self.log_wrap)
526
527
def find_and_remove_client(self, path, interfaces):
528
"""Find a client by its object path and remove it.
529
530
This is connected to the InterfacesRemoved signal from the
417
531
Mandos server object."""
532
if client_interface not in interfaces:
533
# Not a Mandos client object; ignore
534
return
418
535
try:
419
536
client = self.clients_dict[path]
420
537
except KeyError:
421
538
# not found?
422
return
423
self.remove_client(client, path)
424
425
def add_new_client(self, path):
539
log.warning("Unknown client %s removed", path)
540
return
541
client.delete()
542
543
def add_new_client(self, path, ifs_and_props):
544
"""Find a client by its object path and remove it.
545
546
This is connected to the InterfacesAdded signal from the
547
Mandos server object.
548
"""
549
if client_interface not in ifs_and_props:
550
# Not a Mandos client object; ignore
551
return
426
552
client_proxy_object = self.bus.get_object(self.busname, path)
427
self.add_client(MandosClientWidget(server_proxy_object
428
=self.mandos_serv,
429
proxy_object
430
=client_proxy_object,
431
update_hook
432
=self.refresh,
433
delete_hook
434
=self.remove_client,
435
logger
436
=self.log_message),
553
self.add_client(MandosClientWidget(
554
server_proxy_object=self.mandos_serv,
555
proxy_object=client_proxy_object,
556
update_hook=self.refresh,
557
delete_hook=self.remove_client,
558
properties=dict(ifs_and_props[client_interface])),
437
559
path=path)
438
560
439
561
def add_client(self, client, path=None):
440
562
self.clients.append(client)
441
563
if path is None:
442
564
path = client.proxy.object_path
443
565
self.clients_dict[path] = client
444
self.clients.sort(None, lambda c: c.properties[u"name"])
566
self.clients.sort(key=lambda c: c.properties["Name"])
445
567
self.refresh()
446
568
447
569
def remove_client(self, client, path=None):
448
570
self.clients.remove(client)
449
571
if path is None:
450
572
path = client.proxy.object_path
451
573
del self.clients_dict[path]
452
if not self.clients_dict:
453
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
454
# is completely emptied, we need to recreate it.
455
self.clients = urwid.SimpleListWalker([])
456
self.rebuild()
457
574
self.refresh()
458
575
459
576
def refresh(self):
460
577
"""Redraw the screen"""
461
578
canvas = self.topwidget.render(self.size, focus=True)
462
579
self.screen.draw_screen(self.size, canvas)
463
580
464
581
def run(self):
465
582
"""Start the main loop and exit when it's done."""
583
log.addHandler(self.loghandler)
584
self.orig_log_propagate = log.propagate
585
log.propagate = False
586
self.orig_log_level = log.level
587
log.setLevel("INFO")
588
self.bus = dbus.SystemBus()
589
mandos_dbus_objc = self.bus.get_object(
590
self.busname, "/", follow_name_owner_changes=True)
591
self.mandos_serv = dbus.Interface(
592
mandos_dbus_objc, dbus_interface=server_interface)
593
try:
594
mandos_clients = (self.mandos_serv
595
.GetAllClientsWithProperties())
596
if not mandos_clients:
597
log.warning("Note: Server has no clients.")
598
except dbus.exceptions.DBusException:
599
log.warning("Note: No Mandos server running.")
600
mandos_clients = dbus.Dictionary()
601
602
(self.mandos_serv
603
.connect_to_signal("InterfacesRemoved",
604
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
606
byte_arrays=True))
607
(self.mandos_serv
608
.connect_to_signal("InterfacesAdded",
609
self.add_new_client,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
611
byte_arrays=True))
612
(self.mandos_serv
613
.connect_to_signal("ClientNotFound",
614
self.client_not_found,
615
dbus_interface=server_interface,
616
byte_arrays=True))
617
for path, client in mandos_clients.items():
618
client_proxy_object = self.bus.get_object(self.busname,
619
path)
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
623
properties=client,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client),
626
path=path)
627
466
628
self.refresh()
467
self._input_callback_tag = (gobject.io_add_watch
468
(sys.stdin.fileno(),
469
gobject.IO_IN,
470
self.process_input))
629
self._input_callback_tag = (
630
GLib.io_add_watch(
631
GLib.IOChannel.unix_new(sys.stdin.fileno()),
632
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
633
glib_safely(self.process_input)))
471
634
self.main_loop.run()
472
635
# Main loop has finished, we should close everything now
473
gobject.source_remove(self._input_callback_tag)
474
self.screen.stop()
475
636
GLib.source_remove(self._input_callback_tag)
637
with warnings.catch_warnings():
638
warnings.simplefilter("ignore", BytesWarning)
639
self.screen.stop()
640
476
641
def stop(self):
477
642
self.main_loop.quit()
478
643
log.removeHandler(self.loghandler)
644
log.propagate = self.orig_log_propagate
645
479
646
def process_input(self, source, condition):
480
647
keys = self.screen.get_input()
481
translations = { u"ctrl n": u"down", # Emacs
482
u"ctrl p": u"up", # Emacs
483
u"ctrl v": u"page down", # Emacs
484
u"meta v": u"page up", # Emacs
485
u" ": u"page down", # less
486
u"f": u"page down", # less
487
u"b": u"page up", # less
488
u"j": u"down", # vi
489
u"k": u"up", # vi
490
}
648
translations = {"ctrl n": "down", # Emacs
649
"ctrl p": "up", # Emacs
650
"ctrl v": "page down", # Emacs
651
"meta v": "page up", # Emacs
652
" ": "page down", # less
653
"f": "page down", # less
654
"b": "page up", # less
655
"j": "down", # vi
656
"k": "up", # vi
657
}
491
658
for key in keys:
492
659
try:
493
660
key = translations[key]
494
661
except KeyError: # :-)
495
662
pass
496
497
if key == u"q" or key == u"Q":
663
664
if key == "q" or key == "Q":
498
665
self.stop()
499
666
break
500
elif key == u"window resize":
667
elif key == "window resize":
501
668
self.size = self.screen.get_cols_rows()
502
669
self.refresh()
503
elif key == u"\f": # Ctrl-L
670
elif key == "ctrl l":
671
self.screen.clear()
504
672
self.refresh()
505
elif key == u"l" or key == u"D":
673
elif key == "l" or key == "D":
506
674
self.toggle_log_display()
507
675
self.refresh()
508
elif key == u"w" or key == u"i":
676
elif key == "w" or key == "i":
509
677
self.change_log_display()
510
678
self.refresh()
511
elif key == u"?" or key == u"f1" or key == u"esc":
679
elif key == "?" or key == "f1" or key == "esc":
512
680
if not self.log_visible:
513
681
self.log_visible = True
514
682
self.rebuild()
515
self.log_message_raw((u"bold",
516
u" ".
517
join((u"q: Quit",
518
u"?: Help",
519
u"l: Log window toggle",
520
u"TAB: Switch window",
521
u"w: Wrap (log)"))))
522
self.log_message_raw((u"bold",
523
u" "
524
.join((u"Clients:",
525
u"e: Enable",
526
u"d: Disable",
527
u"r: Remove",
528
u"s: Start new checker",
529
u"S: Stop checker",
530
u"C: Checker OK"))))
683
self.add_log_line(("bold",
684
" ".join(("q: Quit",
685
"?: Help",
686
"l: Log window toggle",
687
"TAB: Switch window",
688
"w: Wrap (log lines)",
689
"v: Toggle verbose log",
690
))))
691
self.add_log_line(("bold",
692
" ".join(("Clients:",
693
"+: Enable",
694
"-: Disable",
695
"R: Remove",
696
"s: Start new checker",
697
"S: Stop checker",
698
"C: Checker OK",
699
"a: Approve",
700
"d: Deny",
701
))))
531
702
self.refresh()
532
elif key == u"tab":
703
elif key == "tab":
533
704
if self.topwidget.get_focus() is self.logbox:
534
705
self.topwidget.set_focus(0)
535
706
else:
536
707
self.topwidget.set_focus(self.logbox)
537
708
self.refresh()
538
#elif (key == u"end" or key == u"meta >" or key == u"G"
539
# or key == u">"):
540
# pass # xxx end-of-buffer
541
#elif (key == u"home" or key == u"meta <" or key == u"g"
542
# or key == u"<"):
543
# pass # xxx beginning-of-buffer
544
#elif key == u"ctrl e" or key == u"$":
545
# pass # xxx move-end-of-line
546
#elif key == u"ctrl a" or key == u"^":
547
# pass # xxx move-beginning-of-line
548
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
549
# pass # xxx left
550
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
551
# pass # xxx right
552
#elif key == u"a":
553
# pass # scroll up log
554
#elif key == u"z":
555
# pass # scroll down log
709
elif key == "v":
710
if log.level < logging.INFO:
711
log.setLevel(logging.INFO)
712
log.info("Verbose mode: Off")
713
else:
714
log.setLevel(logging.NOTSET)
715
log.info("Verbose mode: On")
716
# elif (key == "end" or key == "meta >" or key == "G"
717
# or key == ">"):
718
# pass # xxx end-of-buffer
719
# elif (key == "home" or key == "meta <" or key == "g"
720
# or key == "<"):
721
# pass # xxx beginning-of-buffer
722
# elif key == "ctrl e" or key == "$":
723
# pass # xxx move-end-of-line
724
# elif key == "ctrl a" or key == "^":
725
# pass # xxx move-beginning-of-line
726
# elif key == "ctrl b" or key == "meta (" or key == "h":
727
# pass # xxx left
728
# elif key == "ctrl f" or key == "meta )" or key == "l":
729
# pass # xxx right
730
# elif key == "a":
731
# pass # scroll up log
732
# elif key == "z":
733
# pass # scroll down log
556
734
elif self.topwidget.selectable():
557
735
self.topwidget.keypress(self.size, key)
558
736
self.refresh()
559
737
return True
560
738
739
740
class UILogHandler(logging.Handler):
741
def __init__(self, ui, *args, **kwargs):
742
self.ui = ui
743
super(UILogHandler, self).__init__(*args, **kwargs)
744
self.setFormatter(
745
logging.Formatter("%(asctime)s: %(message)s"))
746
def emit(self, record):
747
msg = self.format(record)
748
if record.levelno > logging.INFO:
749
msg = ("bold", msg)
750
self.ui.add_log_line(msg)
751
752
561
753
ui = UserInterface()
562
754
try:
563
755
ui.run()
564
except Exception, e:
565
ui.log_message(unicode(e))
566
ui.screen.stop()
756
except KeyboardInterrupt:
757
with warnings.catch_warnings():
758
warnings.filterwarnings("ignore", "", BytesWarning)
759
ui.screen.stop()
760
except Exception:
761
with warnings.catch_warnings():
762
warnings.filterwarnings("ignore", "", BytesWarning)
763
ui.screen.stop()
567
764
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0