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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)
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
39
80
40
81
def isoformat_to_datetime(iso):
41
82
"Parse an ISO 8601 date string to a datetime.datetime()"
42
83
if not iso:
43
84
return None
44
d, t = iso.split(u"T", 1)
45
year, month, day = d.split(u"-", 2)
46
hour, minute, second = t.split(u":", 2)
85
d, t = iso.split("T", 1)
86
year, month, day = d.split("-", 2)
87
hour, minute, second = t.split(":", 2)
47
88
second, fraction = divmod(float(second), 1)
48
89
return datetime.datetime(int(year),
49
90
int(month),
50
91
int(day),
51
92
int(hour),
52
93
int(minute),
53
int(second), # Whole seconds
54
int(fraction*1000000)) # Microseconds
55
56
class MandosClientPropertyCache(object):
94
int(second), # Whole seconds
95
int(fraction*1000000)) # Microseconds
96
97
98
class MandosClientPropertyCache:
57
99
"""This wraps a Mandos Client D-Bus proxy object, caches the
58
100
properties and calls a hook function when any of them are
59
101
changed.
60
102
"""
61
def __init__(self, proxy_object=None, *args, **kwargs):
62
self.proxy = proxy_object # Mandos Client proxy object
63
64
self.properties = dict()
65
self.proxy.connect_to_signal(u"PropertyChanged",
66
self.property_changed,
67
client_interface,
68
byte_arrays=True)
69
70
self.properties.update(
71
self.proxy.GetAll(client_interface,
72
dbus_interface = dbus.PROPERTIES_IFACE))
73
super(MandosClientPropertyCache, self).__init__(
74
proxy_object=proxy_object, *args, **kwargs)
75
76
def property_changed(self, property=None, value=None):
77
"""This is called whenever we get a PropertyChanged signal
78
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.
79
122
"""
80
123
# Update properties dict with new value
81
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()
82
129
83
130
84
131
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
85
132
"""A Mandos Client which is visible on the screen.
86
133
"""
87
134
88
135
def __init__(self, server_proxy_object=None, update_hook=None,
89
delete_hook=None, logger=None, *args, **kwargs):
136
delete_hook=None, **kwargs):
90
137
# Called on update
91
138
self.update_hook = update_hook
92
139
# Called on delete
93
140
self.delete_hook = delete_hook
94
141
# Mandos Server proxy object
95
142
self.server_proxy_object = server_proxy_object
96
# Logger
97
self.logger = logger
98
143
99
144
self._update_timer_callback_tag = None
100
self.last_checker_failed = False
101
145
102
146
# The widget shown normally
103
self._text_widget = urwid.Text(u"")
147
self._text_widget = urwid.Text("")
104
148
# The widget shown when we have focus
105
self._focus_text_widget = urwid.Text(u"")
106
super(MandosClientWidget, self).__init__(
107
update_hook=update_hook, delete_hook=delete_hook,
108
*args, **kwargs)
149
self._focus_text_widget = urwid.Text("")
150
super(MandosClientWidget, self).__init__(**kwargs)
109
151
self.update()
110
152
self.opened = False
111
self.proxy.connect_to_signal(u"CheckerCompleted",
112
self.checker_completed,
113
client_interface,
114
byte_arrays=True)
115
self.proxy.connect_to_signal(u"CheckerStarted",
116
self.checker_started,
117
client_interface,
118
byte_arrays=True)
119
self.proxy.connect_to_signal(u"GotSecret",
120
self.got_secret,
121
client_interface,
122
byte_arrays=True)
123
self.proxy.connect_to_signal(u"Rejected",
124
self.rejected,
125
client_interface,
126
byte_arrays=True)
127
last_checked_ok = isoformat_to_datetime(self.properties
128
["last_checked_ok"])
129
if last_checked_ok is None:
130
self.last_checker_failed = True
131
else:
132
self.last_checker_failed = ((datetime.datetime.utcnow()
133
- last_checked_ok)
134
> datetime.timedelta
135
(milliseconds=
136
self.properties["interval"]))
137
if self.last_checker_failed:
138
self._update_timer_callback_tag = (gobject.timeout_add
139
(1000,
140
self.update_timer))
141
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
142
190
def checker_completed(self, exitstatus, condition, command):
143
191
if exitstatus == 0:
144
if self.last_checker_failed:
145
self.last_checker_failed = False
146
gobject.source_remove(self._update_timer_callback_tag)
147
self._update_timer_callback_tag = None
148
self.logger(u'Checker for client %s (command "%s")'
149
u' was successful'
150
% (self.properties[u"name"], command))
192
log.debug('Checker for client %s (command "%s")'
193
" succeeded", self.properties["Name"], command)
151
194
self.update()
152
195
return
153
196
# Checker failed
154
if not self.last_checker_failed:
155
self.last_checker_failed = True
156
self._update_timer_callback_tag = (gobject.timeout_add
157
(1000,
158
self.update_timer))
159
197
if os.WIFEXITED(condition):
160
self.logger(u'Checker for client %s (command "%s")'
161
u' failed with exit code %s'
162
% (self.properties[u"name"], command,
163
os.WEXITSTATUS(condition)))
198
log.info('Checker for client %s (command "%s") failed'
199
" with exit code %d", self.properties["Name"],
200
command, os.WEXITSTATUS(condition))
164
201
elif os.WIFSIGNALED(condition):
165
self.logger(u'Checker for client %s (command "%s")'
166
u' was killed by signal %s'
167
% (self.properties[u"name"], command,
168
os.WTERMSIG(condition)))
169
elif os.WCOREDUMP(condition):
170
self.logger(u'Checker for client %s (command "%s")'
171
u' dumped core'
172
% (self.properties[u"name"], command))
173
else:
174
self.logger(u'Checker for client %s completed mysteriously')
202
log.info('Checker for client %s (command "%s") was'
203
" killed by signal %d", self.properties["Name"],
204
command, os.WTERMSIG(condition))
175
205
self.update()
176
206
177
207
def checker_started(self, command):
178
self.logger(u'Client %s started checker "%s"'
179
% (self.properties[u"name"], unicode(command)))
180
208
"""Server signals that a checker started."""
209
log.debug('Client %s started checker "%s"',
210
self.properties["Name"], command)
211
181
212
def got_secret(self):
182
self.logger(u'Client %s received its secret'
183
% self.properties[u"name"])
184
185
def rejected(self):
186
self.logger(u'Client %s was rejected'
187
% self.properties[u"name"])
188
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
189
227
def selectable(self):
190
228
"""Make this a "selectable" widget.
191
229
This overrides the method from urwid.FlowWidget."""
192
230
return True
193
194
def rows(self, (maxcol,), focus=False):
231
232
def rows(self, maxcolrow, focus=False):
195
233
"""How many rows this widget will occupy might depend on
196
234
whether we have focus or not.
197
235
This overrides the method from urwid.FlowWidget"""
198
return self.current_widget(focus).rows((maxcol,), focus=focus)
199
236
return self.current_widget(focus).rows(maxcolrow, focus=focus)
237
200
238
def current_widget(self, focus=False):
201
239
if focus or self.opened:
202
240
return self._focus_widget
203
241
return self._widget
204
242
205
243
def update(self):
206
244
"Called when what is visible on the screen should be updated."
207
245
# How to add standout mode to a style
208
with_standout = { u"normal": u"standout",
209
u"bold": u"bold-standout",
210
u"underline-blink":
211
u"underline-blink-standout",
212
u"bold-underline-blink":
213
u"bold-underline-blink-standout",
214
}
215
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
216
254
# Rebuild focus and non-focus widgets using current properties
217
self._text = (u'%(name)s: %(enabled)s%(timer)s'
218
% { u"name": self.properties[u"name"],
219
u"enabled":
220
(u"enabled"
221
if self.properties[u"enabled"]
222
else u"DISABLED"),
223
u"timer": (unicode(datetime.timedelta
224
(milliseconds =
225
self.properties
226
[u"timeout"])
227
- (datetime.datetime
228
.utcnow()
229
- isoformat_to_datetime
230
(max((self.properties
231
["last_checked_ok"]
232
or
233
self.properties
234
["created"]),
235
self.properties[u"last_enabled"]))))
236
if (self.last_checker_failed
237
and self.properties
238
[u"enabled"])
239
else u"")})
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
240
297
if not urwid.supports_unicode():
241
298
self._text = self._text.encode("ascii", "replace")
242
textlist = [(u"normal", self._text)]
299
textlist = [("normal", self._text)]
243
300
self._text_widget.set_text(textlist)
244
301
self._focus_text_widget.set_text([(with_standout[text[0]],
245
302
text[1])
252
309
# Run update hook, if any
253
310
if self.update_hook is not None:
254
311
self.update_hook()
255
312
256
313
def update_timer(self):
257
"called by gobject"
314
"""called by GLib. Will indefinitely loop until
315
GLib.source_remove() on tag is called
316
"""
258
317
self.update()
259
318
return True # Keep calling this
260
261
def delete(self):
319
320
def delete(self, **kwargs):
262
321
if self._update_timer_callback_tag is not None:
263
gobject.source_remove(self._update_timer_callback_tag)
322
GLib.source_remove(self._update_timer_callback_tag)
264
323
self._update_timer_callback_tag = None
324
for match in self.match_objects:
325
match.remove()
326
self.match_objects = ()
265
327
if self.delete_hook is not None:
266
328
self.delete_hook(self)
267
268
def render(self, (maxcol,), focus=False):
329
return super(MandosClientWidget, self).delete(**kwargs)
330
331
def render(self, maxcolrow, focus=False):
269
332
"""Render differently if we have focus.
270
333
This overrides the method from urwid.FlowWidget"""
271
return self.current_widget(focus).render((maxcol,),
334
return self.current_widget(focus).render(maxcolrow,
272
335
focus=focus)
273
274
def keypress(self, (maxcol,), key):
336
337
def keypress(self, maxcolrow, key):
275
338
"""Handle keys.
276
339
This overrides the method from urwid.FlowWidget"""
277
if key == u"e" or key == u"+":
278
self.proxy.Enable()
279
elif key == u"d" or key == u"-":
280
self.proxy.Disable()
281
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":
282
357
self.server_proxy_object.RemoveClient(self.proxy
283
.object_path)
284
elif key == u"s":
285
self.proxy.StartChecker()
286
elif key == u"S":
287
self.proxy.StopChecker()
288
elif key == u"C":
289
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)
290
371
# xxx
291
# elif key == u"p" or key == "=":
372
# elif key == "p" or key == "=":
292
373
# self.proxy.pause()
293
# elif key == u"u" or key == ":":
374
# elif key == "u" or key == ":":
294
375
# self.proxy.unpause()
295
# elif key == u"RET":
376
# elif key == "RET":
296
377
# self.open()
297
378
else:
298
379
return key
299
300
def property_changed(self, property=None, value=None,
301
*args, **kwargs):
302
"""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.
303
383
This overrides the method from MandosClientPropertyCache"""
304
property_name = unicode(property)
305
old_value = self.properties.get(property_name)
306
super(MandosClientWidget, self).property_changed(
307
property=property, value=value, *args, **kwargs)
308
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):
309
390
self.update()
310
391
311
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
312
403
class ConstrainedListBox(urwid.ListBox):
313
404
"""Like a normal urwid.ListBox, but will consume all "up" or
314
405
"down" key presses, thus not allowing any containing widgets to
315
406
use them as an excuse to shift focus away from this widget.
316
407
"""
317
def keypress(self, (maxcol, maxrow), key):
318
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
319
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"):
320
412
return
321
413
return ret
322
414
323
415
324
class UserInterface(object):
416
class UserInterface:
325
417
"""This is the entire user interface - the whole screen
326
418
with boxes, lists of client widgets, etc.
327
419
"""
328
420
def __init__(self, max_log_length=1000):
329
421
DBusGMainLoop(set_as_default=True)
330
422
331
423
self.screen = urwid.curses_display.Screen()
332
424
333
425
self.screen.register_palette((
334
(u"normal",
335
u"default", u"default", None),
336
(u"bold",
337
u"default", u"default", u"bold"),
338
(u"underline-blink",
339
u"default", u"default", u"underline"),
340
(u"standout",
341
u"default", u"default", u"standout"),
342
(u"bold-underline-blink",
343
u"default", u"default", (u"bold", u"underline")),
344
(u"bold-standout",
345
u"default", u"default", (u"bold", u"standout")),
346
(u"underline-blink-standout",
347
u"default", u"default", (u"underline", u"standout")),
348
(u"bold-underline-blink-standout",
349
u"default", u"default", (u"bold", u"underline",
350
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"),
351
445
))
352
446
353
447
if urwid.supports_unicode():
354
self.divider = u"─" # \u2500
355
#self.divider = u"━" # \u2501
448
self.divider = "─" # \u2500
356
449
else:
357
#self.divider = u"-" # \u002d
358
self.divider = u"_" # \u005f
359
450
self.divider = "_" # \u005f
451
360
452
self.screen.start()
361
453
362
454
self.size = self.screen.get_cols_rows()
363
455
364
456
self.clients = urwid.SimpleListWalker([])
365
457
self.clients_dict = {}
366
458
367
459
# We will add Text widgets to this list
368
self.log = []
460
self.log = urwid.SimpleListWalker([])
369
461
self.max_log_length = max_log_length
370
462
371
463
# We keep a reference to the log widget so we can remove it
372
464
# from the ListWalker without it getting destroyed
373
465
self.logbox = ConstrainedListBox(self.log)
374
466
375
467
# This keeps track of whether self.uilist currently has
376
468
# self.logbox in it or not
377
469
self.log_visible = True
378
self.log_wrap = u"any"
379
470
self.log_wrap = "any"
471
472
self.loghandler = UILogHandler(self)
473
380
474
self.rebuild()
381
self.log_message_raw((u"bold",
382
u"Mandos Monitor version " + version))
383
self.log_message_raw((u"bold",
384
u"q: Quit ?: Help"))
385
386
self.busname = domain + '.Mandos'
387
self.main_loop = gobject.MainLoop()
388
self.bus = dbus.SystemBus()
389
mandos_dbus_objc = self.bus.get_object(
390
self.busname, u"/", follow_name_owner_changes=True)
391
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
392
dbus_interface
393
= server_interface)
394
try:
395
mandos_clients = (self.mandos_serv
396
.GetAllClientsWithProperties())
397
except dbus.exceptions.DBusException:
398
mandos_clients = dbus.Dictionary()
399
400
(self.mandos_serv
401
.connect_to_signal(u"ClientRemoved",
402
self.find_and_remove_client,
403
dbus_interface=server_interface,
404
byte_arrays=True))
405
(self.mandos_serv
406
.connect_to_signal(u"ClientAdded",
407
self.add_new_client,
408
dbus_interface=server_interface,
409
byte_arrays=True))
410
(self.mandos_serv
411
.connect_to_signal(u"ClientNotFound",
412
self.client_not_found,
413
dbus_interface=server_interface,
414
byte_arrays=True))
415
for path, client in mandos_clients.iteritems():
416
client_proxy_object = self.bus.get_object(self.busname,
417
path)
418
self.add_client(MandosClientWidget(server_proxy_object
419
=self.mandos_serv,
420
proxy_object
421
=client_proxy_object,
422
properties=client,
423
update_hook
424
=self.refresh,
425
delete_hook
426
=self.remove_client,
427
logger
428
=self.log_message),
429
path=path)
430
431
def client_not_found(self, fingerprint, address):
432
self.log_message((u"Client with address %s and fingerprint %s"
433
u" could not be found" % (address,
434
fingerprint)))
435
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
436
486
def rebuild(self):
437
487
"""This rebuilds the User Interface.
438
488
Call this when the widget layout needs to change"""
439
489
self.uilist = []
440
#self.uilist.append(urwid.ListBox(self.clients))
441
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
442
#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(),
443
494
header=None,
444
footer=urwid.Divider(div_char=self.divider)))
495
footer=urwid.Divider(
496
div_char=self.divider)))
445
497
if self.log_visible:
446
498
self.uilist.append(self.logbox)
447
pass
448
499
self.topwidget = urwid.Pile(self.uilist)
449
450
def log_message(self, message):
451
timestamp = datetime.datetime.now().isoformat()
452
self.log_message_raw(timestamp + u": " + message)
453
454
def log_message_raw(self, markup):
455
"""Add a log message to the log buffer."""
500
501
def add_log_line(self, markup):
456
502
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
457
if (self.max_log_length
458
and len(self.log) > self.max_log_length):
459
del self.log[0:len(self.log)-self.max_log_length-1]
460
self.logbox.set_focus(len(self.logbox.body.contents),
461
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")
462
508
self.refresh()
463
509
464
510
def toggle_log_display(self):
465
511
"""Toggle visibility of the log buffer."""
466
512
self.log_visible = not self.log_visible
467
513
self.rebuild()
468
self.log_message(u"Log visibility changed to: "
469
+ unicode(self.log_visible))
470
514
log.debug("Log visibility changed to: %s", self.log_visible)
515
471
516
def change_log_display(self):
472
517
"""Change type of log display.
473
518
Currently, this toggles wrapping of text lines."""
474
if self.log_wrap == u"clip":
475
self.log_wrap = u"any"
519
if self.log_wrap == "clip":
520
self.log_wrap = "any"
476
521
else:
477
self.log_wrap = u"clip"
522
self.log_wrap = "clip"
478
523
for textwidget in self.log:
479
524
textwidget.set_wrap_mode(self.log_wrap)
480
self.log_message(u"Wrap mode: " + self.log_wrap)
481
482
def find_and_remove_client(self, path, name):
483
"""Find an client from its object path and remove it.
484
485
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
486
531
Mandos server object."""
532
if client_interface not in interfaces:
533
# Not a Mandos client object; ignore
534
return
487
535
try:
488
536
client = self.clients_dict[path]
489
537
except KeyError:
490
538
# not found?
491
return
492
self.remove_client(client, path)
493
494
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
495
552
client_proxy_object = self.bus.get_object(self.busname, path)
496
self.add_client(MandosClientWidget(server_proxy_object
497
=self.mandos_serv,
498
proxy_object
499
=client_proxy_object,
500
update_hook
501
=self.refresh,
502
delete_hook
503
=self.remove_client,
504
logger
505
=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])),
506
559
path=path)
507
560
508
561
def add_client(self, client, path=None):
509
562
self.clients.append(client)
510
563
if path is None:
511
564
path = client.proxy.object_path
512
565
self.clients_dict[path] = client
513
self.clients.sort(None, lambda c: c.properties[u"name"])
566
self.clients.sort(key=lambda c: c.properties["Name"])
514
567
self.refresh()
515
568
516
569
def remove_client(self, client, path=None):
517
570
self.clients.remove(client)
518
571
if path is None:
519
572
path = client.proxy.object_path
520
573
del self.clients_dict[path]
521
if not self.clients_dict:
522
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
523
# is completely emptied, we need to recreate it.
524
self.clients = urwid.SimpleListWalker([])
525
self.rebuild()
526
574
self.refresh()
527
575
528
576
def refresh(self):
529
577
"""Redraw the screen"""
530
578
canvas = self.topwidget.render(self.size, focus=True)
531
579
self.screen.draw_screen(self.size, canvas)
532
580
533
581
def run(self):
534
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
535
628
self.refresh()
536
self._input_callback_tag = (gobject.io_add_watch
537
(sys.stdin.fileno(),
538
gobject.IO_IN,
539
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)))
540
634
self.main_loop.run()
541
635
# Main loop has finished, we should close everything now
542
gobject.source_remove(self._input_callback_tag)
543
self.screen.stop()
544
636
GLib.source_remove(self._input_callback_tag)
637
with warnings.catch_warnings():
638
warnings.simplefilter("ignore", BytesWarning)
639
self.screen.stop()
640
545
641
def stop(self):
546
642
self.main_loop.quit()
547
643
log.removeHandler(self.loghandler)
644
log.propagate = self.orig_log_propagate
645
548
646
def process_input(self, source, condition):
549
647
keys = self.screen.get_input()
550
translations = { u"ctrl n": u"down", # Emacs
551
u"ctrl p": u"up", # Emacs
552
u"ctrl v": u"page down", # Emacs
553
u"meta v": u"page up", # Emacs
554
u" ": u"page down", # less
555
u"f": u"page down", # less
556
u"b": u"page up", # less
557
u"j": u"down", # vi
558
u"k": u"up", # vi
559
}
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
}
560
658
for key in keys:
561
659
try:
562
660
key = translations[key]
563
661
except KeyError: # :-)
564
662
pass
565
566
if key == u"q" or key == u"Q":
663
664
if key == "q" or key == "Q":
567
665
self.stop()
568
666
break
569
elif key == u"window resize":
667
elif key == "window resize":
570
668
self.size = self.screen.get_cols_rows()
571
669
self.refresh()
572
elif key == u"\f": # Ctrl-L
670
elif key == "ctrl l":
671
self.screen.clear()
573
672
self.refresh()
574
elif key == u"l" or key == u"D":
673
elif key == "l" or key == "D":
575
674
self.toggle_log_display()
576
675
self.refresh()
577
elif key == u"w" or key == u"i":
676
elif key == "w" or key == "i":
578
677
self.change_log_display()
579
678
self.refresh()
580
elif key == u"?" or key == u"f1" or key == u"esc":
679
elif key == "?" or key == "f1" or key == "esc":
581
680
if not self.log_visible:
582
681
self.log_visible = True
583
682
self.rebuild()
584
self.log_message_raw((u"bold",
585
u" ".
586
join((u"q: Quit",
587
u"?: Help",
588
u"l: Log window toggle",
589
u"TAB: Switch window",
590
u"w: Wrap (log)"))))
591
self.log_message_raw((u"bold",
592
u" "
593
.join((u"Clients:",
594
u"e: Enable",
595
u"d: Disable",
596
u"r: Remove",
597
u"s: Start new checker",
598
u"S: Stop checker",
599
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
))))
600
702
self.refresh()
601
elif key == u"tab":
703
elif key == "tab":
602
704
if self.topwidget.get_focus() is self.logbox:
603
705
self.topwidget.set_focus(0)
604
706
else:
605
707
self.topwidget.set_focus(self.logbox)
606
708
self.refresh()
607
#elif (key == u"end" or key == u"meta >" or key == u"G"
608
# or key == u">"):
609
# pass # xxx end-of-buffer
610
#elif (key == u"home" or key == u"meta <" or key == u"g"
611
# or key == u"<"):
612
# pass # xxx beginning-of-buffer
613
#elif key == u"ctrl e" or key == u"$":
614
# pass # xxx move-end-of-line
615
#elif key == u"ctrl a" or key == u"^":
616
# pass # xxx move-beginning-of-line
617
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
618
# pass # xxx left
619
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
620
# pass # xxx right
621
#elif key == u"a":
622
# pass # scroll up log
623
#elif key == u"z":
624
# pass # scroll down log
709
elif key == "v":
710
if log.level < logging.INFO:
711
log.setLevel(logging.INFO)
712
log.info("Verbose mode: Off")
713
else:
714
log.setLevel(logging.NOTSET)
715
log.info("Verbose mode: On")
716
# elif (key == "end" or key == "meta >" or key == "G"
717
# or key == ">"):
718
# pass # xxx end-of-buffer
719
# elif (key == "home" or key == "meta <" or key == "g"
720
# or key == "<"):
721
# pass # xxx beginning-of-buffer
722
# elif key == "ctrl e" or key == "$":
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
625
734
elif self.topwidget.selectable():
626
735
self.topwidget.keypress(self.size, key)
627
736
self.refresh()
628
737
return True
629
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
630
753
ui = UserInterface()
631
754
try:
632
755
ui.run()
633
except Exception, e:
634
ui.log_message(unicode(e))
635
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()
636
764
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0