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- Committer: Teddy Hogeborn
- Date: 2024-09-22 17:38:57 UTC
- mto: This revision was merged to the branch mainline in revision 412.
- Revision ID: teddy@recompile.se-20240922173857-rfhxneq4207tx9o0
Only use D-Bus when necessary
If *both* "use_dbus" and "zeroconf" are false, by either setting them
to False in mandos.conf or by using the --no-dbus and --no-zeroconf
options (and a port number or socket is specified), then we do not
need to connect to D-Bus at all.
From: Mike Klein <mike@kleinnet.com>
Signed-off-by: Teddy Hogeborn <teddy@recompile.se>
If *both* "use_dbus" and "zeroconf" are false, by either setting them
to False in mandos.conf or by using the --no-dbus and --no-zeroconf
options (and a port number or socket is specified), then we do not
need to connect to D-Bus at all.
From: Mike Klein <mike@kleinnet.com>
Signed-off-by: Teddy Hogeborn <teddy@recompile.se>
- 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)
25
67
26
68
# 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)
69
domain = "se.recompile"
70
server_interface = domain + ".Mandos"
71
client_interface = domain + ".Mandos.Client"
72
version = "1.8.17"
73
74
try:
75
dbus.OBJECT_MANAGER_IFACE
76
except AttributeError:
77
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
78
39
79
40
80
def isoformat_to_datetime(iso):
41
81
"Parse an ISO 8601 date string to a datetime.datetime()"
42
82
if not iso:
43
83
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)
84
d, t = iso.split("T", 1)
85
year, month, day = d.split("-", 2)
86
hour, minute, second = t.split(":", 2)
47
87
second, fraction = divmod(float(second), 1)
48
88
return datetime.datetime(int(year),
49
89
int(month),
50
90
int(day),
51
91
int(hour),
52
92
int(minute),
53
int(second), # Whole seconds
54
int(fraction*1000000)) # Microseconds
55
56
class MandosClientPropertyCache(object):
93
int(second), # Whole seconds
94
int(fraction*1000000)) # Microseconds
95
96
97
class MandosClientPropertyCache:
57
98
"""This wraps a Mandos Client D-Bus proxy object, caches the
58
99
properties and calls a hook function when any of them are
59
100
changed.
60
101
"""
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.
102
def __init__(self, proxy_object=None, properties=None, **kwargs):
103
self.proxy = proxy_object # Mandos Client proxy object
104
self.properties = dict() if properties is None else properties
105
self.property_changed_match = (
106
self.proxy.connect_to_signal("PropertiesChanged",
107
self.properties_changed,
108
dbus.PROPERTIES_IFACE,
109
byte_arrays=True))
110
111
if properties is None:
112
self.properties.update(self.proxy.GetAll(
113
client_interface,
114
dbus_interface=dbus.PROPERTIES_IFACE))
115
116
super(MandosClientPropertyCache, self).__init__(**kwargs)
117
118
def properties_changed(self, interface, properties, invalidated):
119
"""This is called whenever we get a PropertiesChanged signal
120
It updates the changed properties in the "properties" dict.
79
121
"""
80
122
# Update properties dict with new value
81
self.properties[property] = value
123
if interface == client_interface:
124
self.properties.update(properties)
125
126
def delete(self):
127
self.property_changed_match.remove()
82
128
83
129
84
130
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
85
131
"""A Mandos Client which is visible on the screen.
86
132
"""
87
133
88
134
def __init__(self, server_proxy_object=None, update_hook=None,
89
delete_hook=None, logger=None, *args, **kwargs):
135
delete_hook=None, **kwargs):
90
136
# Called on update
91
137
self.update_hook = update_hook
92
138
# Called on delete
93
139
self.delete_hook = delete_hook
94
140
# Mandos Server proxy object
95
141
self.server_proxy_object = server_proxy_object
96
# Logger
97
self.logger = logger
98
142
99
143
self._update_timer_callback_tag = None
100
self.last_checker_failed = False
101
144
102
145
# The widget shown normally
103
self._text_widget = urwid.Text(u"")
146
self._text_widget = urwid.Text("")
104
147
# 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)
148
self._focus_text_widget = urwid.Text("")
149
super(MandosClientWidget, self).__init__(**kwargs)
109
150
self.update()
110
151
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
152
153
self.match_objects = (
154
self.proxy.connect_to_signal("CheckerCompleted",
155
self.checker_completed,
156
client_interface,
157
byte_arrays=True),
158
self.proxy.connect_to_signal("CheckerStarted",
159
self.checker_started,
160
client_interface,
161
byte_arrays=True),
162
self.proxy.connect_to_signal("GotSecret",
163
self.got_secret,
164
client_interface,
165
byte_arrays=True),
166
self.proxy.connect_to_signal("NeedApproval",
167
self.need_approval,
168
client_interface,
169
byte_arrays=True),
170
self.proxy.connect_to_signal("Rejected",
171
self.rejected,
172
client_interface,
173
byte_arrays=True))
174
log.debug("Created client %s", self.properties["Name"])
175
176
def using_timer(self, flag):
177
"""Call this method with True or False when timer should be
178
activated or deactivated.
179
"""
180
if flag and self._update_timer_callback_tag is None:
181
# Will update the shown timer value every second
182
self._update_timer_callback_tag = (
183
GLib.timeout_add(1000,
184
glib_safely(self.update_timer)))
185
elif not (flag or self._update_timer_callback_tag is None):
186
GLib.source_remove(self._update_timer_callback_tag)
187
self._update_timer_callback_tag = None
188
142
189
def checker_completed(self, exitstatus, condition, command):
143
190
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))
191
log.debug('Checker for client %s (command "%s")'
192
" succeeded", self.properties["Name"], command)
151
193
self.update()
152
194
return
153
195
# 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
196
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)))
197
log.info('Checker for client %s (command "%s") failed'
198
" with exit code %d", self.properties["Name"],
199
command, os.WEXITSTATUS(condition))
164
200
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')
201
log.info('Checker for client %s (command "%s") was'
202
" killed by signal %d", self.properties["Name"],
203
command, os.WTERMSIG(condition))
175
204
self.update()
176
205
177
206
def checker_started(self, command):
178
self.logger(u'Client %s started checker "%s"'
179
% (self.properties[u"name"], unicode(command)))
180
207
"""Server signals that a checker started."""
208
log.debug('Client %s started checker "%s"',
209
self.properties["Name"], command)
210
181
211
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
212
log.info("Client %s received its secret",
213
self.properties["Name"])
214
215
def need_approval(self, timeout, default):
216
if not default:
217
message = "Client %s needs approval within %f seconds"
218
else:
219
message = "Client %s will get its secret in %f seconds"
220
log.info(message, self.properties["Name"], timeout/1000)
221
222
def rejected(self, reason):
223
log.info("Client %s was rejected; reason: %s",
224
self.properties["Name"], reason)
225
189
226
def selectable(self):
190
227
"""Make this a "selectable" widget.
191
228
This overrides the method from urwid.FlowWidget."""
192
229
return True
193
194
def rows(self, (maxcol,), focus=False):
230
231
def rows(self, maxcolrow, focus=False):
195
232
"""How many rows this widget will occupy might depend on
196
233
whether we have focus or not.
197
234
This overrides the method from urwid.FlowWidget"""
198
return self.current_widget(focus).rows((maxcol,), focus=focus)
199
235
return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
200
237
def current_widget(self, focus=False):
201
238
if focus or self.opened:
202
239
return self._focus_widget
203
240
return self._widget
204
241
205
242
def update(self):
206
243
"Called when what is visible on the screen should be updated."
207
244
# 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
245
with_standout = {"normal": "standout",
246
"bold": "bold-standout",
247
"underline-blink":
248
"underline-blink-standout",
249
"bold-underline-blink":
250
"bold-underline-blink-standout",
251
}
252
216
253
# 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"")})
254
255
# Base part of a client. Name!
256
base = "{name}: ".format(name=self.properties["Name"])
257
if not self.properties["Enabled"]:
258
message = "DISABLED"
259
self.using_timer(False)
260
elif self.properties["ApprovalPending"]:
261
timeout = datetime.timedelta(
262
milliseconds=self.properties["ApprovalDelay"])
263
last_approval_request = isoformat_to_datetime(
264
self.properties["LastApprovalRequest"])
265
if last_approval_request is not None:
266
timer = max(timeout - (datetime.datetime.utcnow()
267
- last_approval_request),
268
datetime.timedelta())
269
else:
270
timer = datetime.timedelta()
271
if self.properties["ApprovedByDefault"]:
272
message = "Approval in {}. (d)eny?"
273
else:
274
message = "Denial in {}. (a)pprove?"
275
message = message.format(str(timer).rsplit(".", 1)[0])
276
self.using_timer(True)
277
elif self.properties["LastCheckerStatus"] != 0:
278
# When checker has failed, show timer until client expires
279
expires = self.properties["Expires"]
280
if expires == "":
281
timer = datetime.timedelta(0)
282
else:
283
expires = (datetime.datetime.strptime
284
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
285
timer = max(expires - datetime.datetime.utcnow(),
286
datetime.timedelta())
287
message = ("A checker has failed! Time until client"
288
" gets disabled: {}"
289
.format(str(timer).rsplit(".", 1)[0]))
290
self.using_timer(True)
291
else:
292
message = "enabled"
293
self.using_timer(False)
294
self._text = "{}{}".format(base, message)
295
240
296
if not urwid.supports_unicode():
241
297
self._text = self._text.encode("ascii", "replace")
242
textlist = [(u"normal", self._text)]
298
textlist = [("normal", self._text)]
243
299
self._text_widget.set_text(textlist)
244
300
self._focus_text_widget.set_text([(with_standout[text[0]],
245
301
text[1])
252
308
# Run update hook, if any
253
309
if self.update_hook is not None:
254
310
self.update_hook()
255
311
256
312
def update_timer(self):
257
"called by gobject"
313
"""called by GLib. Will indefinitely loop until
314
GLib.source_remove() on tag is called
315
"""
258
316
self.update()
259
317
return True # Keep calling this
260
261
def delete(self):
318
319
def delete(self, **kwargs):
262
320
if self._update_timer_callback_tag is not None:
263
gobject.source_remove(self._update_timer_callback_tag)
321
GLib.source_remove(self._update_timer_callback_tag)
264
322
self._update_timer_callback_tag = None
323
for match in self.match_objects:
324
match.remove()
325
self.match_objects = ()
265
326
if self.delete_hook is not None:
266
327
self.delete_hook(self)
267
268
def render(self, (maxcol,), focus=False):
328
return super(MandosClientWidget, self).delete(**kwargs)
329
330
def render(self, maxcolrow, focus=False):
269
331
"""Render differently if we have focus.
270
332
This overrides the method from urwid.FlowWidget"""
271
return self.current_widget(focus).render((maxcol,),
333
return self.current_widget(focus).render(maxcolrow,
272
334
focus=focus)
273
274
def keypress(self, (maxcol,), key):
335
336
def keypress(self, maxcolrow, key):
275
337
"""Handle keys.
276
338
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":
339
if key == "+":
340
self.proxy.Set(client_interface, "Enabled",
341
dbus.Boolean(True), ignore_reply=True,
342
dbus_interface=dbus.PROPERTIES_IFACE)
343
elif key == "-":
344
self.proxy.Set(client_interface, "Enabled", False,
345
ignore_reply=True,
346
dbus_interface=dbus.PROPERTIES_IFACE)
347
elif key == "a":
348
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
349
dbus_interface=client_interface,
350
ignore_reply=True)
351
elif key == "d":
352
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
353
dbus_interface=client_interface,
354
ignore_reply=True)
355
elif key == "R" or key == "_" or key == "ctrl k":
282
356
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()
357
.object_path,
358
ignore_reply=True)
359
elif key == "s":
360
self.proxy.Set(client_interface, "CheckerRunning",
361
dbus.Boolean(True), ignore_reply=True,
362
dbus_interface=dbus.PROPERTIES_IFACE)
363
elif key == "S":
364
self.proxy.Set(client_interface, "CheckerRunning",
365
dbus.Boolean(False), ignore_reply=True,
366
dbus_interface=dbus.PROPERTIES_IFACE)
367
elif key == "C":
368
self.proxy.CheckedOK(dbus_interface=client_interface,
369
ignore_reply=True)
290
370
# xxx
291
# elif key == u"p" or key == "=":
371
# elif key == "p" or key == "=":
292
372
# self.proxy.pause()
293
# elif key == u"u" or key == ":":
373
# elif key == "u" or key == ":":
294
374
# self.proxy.unpause()
295
# elif key == u"RET":
375
# elif key == "RET":
296
376
# self.open()
297
377
else:
298
378
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.
379
380
def properties_changed(self, interface, properties, invalidated):
381
"""Call self.update() if any properties changed.
303
382
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:
383
old_values = {key: self.properties.get(key)
384
for key in properties.keys()}
385
super(MandosClientWidget, self).properties_changed(
386
interface, properties, invalidated)
387
if any(old_values[key] != self.properties.get(key)
388
for key in old_values):
309
389
self.update()
310
390
311
391
392
def glib_safely(func, retval=True):
393
def safe_func(*args, **kwargs):
394
try:
395
return func(*args, **kwargs)
396
except Exception:
397
log.exception("")
398
return retval
399
return safe_func
400
401
312
402
class ConstrainedListBox(urwid.ListBox):
313
403
"""Like a normal urwid.ListBox, but will consume all "up" or
314
404
"down" key presses, thus not allowing any containing widgets to
315
405
use them as an excuse to shift focus away from this widget.
316
406
"""
317
def keypress(self, (maxcol, maxrow), key):
318
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
319
if ret in (u"up", u"down"):
407
def keypress(self, *args, **kwargs):
408
ret = (super(ConstrainedListBox, self)
409
.keypress(*args, **kwargs))
410
if ret in ("up", "down"):
320
411
return
321
412
return ret
322
413
323
414
324
class UserInterface(object):
415
class UserInterface:
325
416
"""This is the entire user interface - the whole screen
326
417
with boxes, lists of client widgets, etc.
327
418
"""
328
419
def __init__(self, max_log_length=1000):
329
420
DBusGMainLoop(set_as_default=True)
330
421
331
422
self.screen = urwid.curses_display.Screen()
332
423
333
424
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")),
425
("normal",
426
"default", "default", None),
427
("bold",
428
"bold", "default", "bold"),
429
("underline-blink",
430
"underline,blink", "default", "underline,blink"),
431
("standout",
432
"standout", "default", "standout"),
433
("bold-underline-blink",
434
"bold,underline,blink", "default",
435
"bold,underline,blink"),
436
("bold-standout",
437
"bold,standout", "default", "bold,standout"),
438
("underline-blink-standout",
439
"underline,blink,standout", "default",
440
"underline,blink,standout"),
441
("bold-underline-blink-standout",
442
"bold,underline,blink,standout", "default",
443
"bold,underline,blink,standout"),
351
444
))
352
445
353
446
if urwid.supports_unicode():
354
self.divider = u"─" # \u2500
355
#self.divider = u"━" # \u2501
447
self.divider = "─" # \u2500
356
448
else:
357
#self.divider = u"-" # \u002d
358
self.divider = u"_" # \u005f
359
449
self.divider = "_" # \u005f
450
360
451
self.screen.start()
361
452
362
453
self.size = self.screen.get_cols_rows()
363
454
364
455
self.clients = urwid.SimpleListWalker([])
365
456
self.clients_dict = {}
366
457
367
458
# We will add Text widgets to this list
368
self.log = []
459
self.log = urwid.SimpleListWalker([])
369
460
self.max_log_length = max_log_length
370
461
371
462
# We keep a reference to the log widget so we can remove it
372
463
# from the ListWalker without it getting destroyed
373
464
self.logbox = ConstrainedListBox(self.log)
374
465
375
466
# This keeps track of whether self.uilist currently has
376
467
# self.logbox in it or not
377
468
self.log_visible = True
378
self.log_wrap = u"any"
379
469
self.log_wrap = "any"
470
471
self.loghandler = UILogHandler(self)
472
380
473
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
474
self.add_log_line(("bold",
475
"Mandos Monitor version " + version))
476
self.add_log_line(("bold", "q: Quit ?: Help"))
477
478
self.busname = domain + ".Mandos"
479
self.main_loop = GLib.MainLoop()
480
481
def client_not_found(self, key_id, address):
482
log.info("Client with address %s and key ID %s could"
483
" not be found", address, key_id)
484
436
485
def rebuild(self):
437
486
"""This rebuilds the User Interface.
438
487
Call this when the widget layout needs to change"""
439
488
self.uilist = []
440
#self.uilist.append(urwid.ListBox(self.clients))
441
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
442
#header=urwid.Divider(),
489
# self.uilist.append(urwid.ListBox(self.clients))
490
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
491
clients),
492
# header=urwid.Divider(),
443
493
header=None,
444
footer=urwid.Divider(div_char=self.divider)))
494
footer=urwid.Divider(
495
div_char=self.divider)))
445
496
if self.log_visible:
446
497
self.uilist.append(self.logbox)
447
pass
448
498
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."""
499
500
def add_log_line(self, markup):
456
501
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")
502
if self.max_log_length:
503
if len(self.log) > self.max_log_length:
504
del self.log[0:(len(self.log) - self.max_log_length)]
505
self.logbox.set_focus(len(self.logbox.body.contents)-1,
506
coming_from="above")
462
507
self.refresh()
463
508
464
509
def toggle_log_display(self):
465
510
"""Toggle visibility of the log buffer."""
466
511
self.log_visible = not self.log_visible
467
512
self.rebuild()
468
self.log_message(u"Log visibility changed to: "
469
+ unicode(self.log_visible))
470
513
log.debug("Log visibility changed to: %s", self.log_visible)
514
471
515
def change_log_display(self):
472
516
"""Change type of log display.
473
517
Currently, this toggles wrapping of text lines."""
474
if self.log_wrap == u"clip":
475
self.log_wrap = u"any"
518
if self.log_wrap == "clip":
519
self.log_wrap = "any"
476
520
else:
477
self.log_wrap = u"clip"
521
self.log_wrap = "clip"
478
522
for textwidget in self.log:
479
523
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
524
log.debug("Wrap mode: %s", self.log_wrap)
525
526
def find_and_remove_client(self, path, interfaces):
527
"""Find a client by its object path and remove it.
528
529
This is connected to the InterfacesRemoved signal from the
486
530
Mandos server object."""
531
if client_interface not in interfaces:
532
# Not a Mandos client object; ignore
533
return
487
534
try:
488
535
client = self.clients_dict[path]
489
536
except KeyError:
490
537
# not found?
491
return
492
self.remove_client(client, path)
493
494
def add_new_client(self, path):
538
log.warning("Unknown client %s removed", path)
539
return
540
client.delete()
541
542
def add_new_client(self, path, ifs_and_props):
543
"""Find a client by its object path and remove it.
544
545
This is connected to the InterfacesAdded signal from the
546
Mandos server object.
547
"""
548
if client_interface not in ifs_and_props:
549
# Not a Mandos client object; ignore
550
return
495
551
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),
552
self.add_client(MandosClientWidget(
553
server_proxy_object=self.mandos_serv,
554
proxy_object=client_proxy_object,
555
update_hook=self.refresh,
556
delete_hook=self.remove_client,
557
properties=dict(ifs_and_props[client_interface])),
506
558
path=path)
507
559
508
560
def add_client(self, client, path=None):
509
561
self.clients.append(client)
510
562
if path is None:
511
563
path = client.proxy.object_path
512
564
self.clients_dict[path] = client
513
self.clients.sort(None, lambda c: c.properties[u"name"])
565
self.clients.sort(key=lambda c: c.properties["Name"])
514
566
self.refresh()
515
567
516
568
def remove_client(self, client, path=None):
517
569
self.clients.remove(client)
518
570
if path is None:
519
571
path = client.proxy.object_path
520
572
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
573
self.refresh()
527
574
528
575
def refresh(self):
529
576
"""Redraw the screen"""
530
577
canvas = self.topwidget.render(self.size, focus=True)
531
578
self.screen.draw_screen(self.size, canvas)
532
579
533
580
def run(self):
534
581
"""Start the main loop and exit when it's done."""
582
log.addHandler(self.loghandler)
583
self.orig_log_propagate = log.propagate
584
log.propagate = False
585
self.orig_log_level = log.level
586
log.setLevel("INFO")
587
self.bus = dbus.SystemBus()
588
mandos_dbus_objc = self.bus.get_object(
589
self.busname, "/", follow_name_owner_changes=True)
590
self.mandos_serv = dbus.Interface(
591
mandos_dbus_objc, dbus_interface=server_interface)
592
try:
593
mandos_clients = (self.mandos_serv
594
.GetAllClientsWithProperties())
595
if not mandos_clients:
596
log.warning("Note: Server has no clients.")
597
except dbus.exceptions.DBusException:
598
log.warning("Note: No Mandos server running.")
599
mandos_clients = dbus.Dictionary()
600
601
(self.mandos_serv
602
.connect_to_signal("InterfacesRemoved",
603
self.find_and_remove_client,
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
byte_arrays=True))
606
(self.mandos_serv
607
.connect_to_signal("InterfacesAdded",
608
self.add_new_client,
609
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
610
byte_arrays=True))
611
(self.mandos_serv
612
.connect_to_signal("ClientNotFound",
613
self.client_not_found,
614
dbus_interface=server_interface,
615
byte_arrays=True))
616
for path, client in mandos_clients.items():
617
client_proxy_object = self.bus.get_object(self.busname,
618
path)
619
self.add_client(MandosClientWidget(
620
server_proxy_object=self.mandos_serv,
621
proxy_object=client_proxy_object,
622
properties=client,
623
update_hook=self.refresh,
624
delete_hook=self.remove_client),
625
path=path)
626
535
627
self.refresh()
536
self._input_callback_tag = (gobject.io_add_watch
537
(sys.stdin.fileno(),
538
gobject.IO_IN,
539
self.process_input))
628
self._input_callback_tag = (
629
GLib.io_add_watch(
630
GLib.IOChannel.unix_new(sys.stdin.fileno()),
631
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
632
glib_safely(self.process_input)))
540
633
self.main_loop.run()
541
634
# Main loop has finished, we should close everything now
542
gobject.source_remove(self._input_callback_tag)
543
self.screen.stop()
544
635
GLib.source_remove(self._input_callback_tag)
636
with warnings.catch_warnings():
637
warnings.simplefilter("ignore", BytesWarning)
638
self.screen.stop()
639
545
640
def stop(self):
546
641
self.main_loop.quit()
547
642
log.removeHandler(self.loghandler)
643
log.propagate = self.orig_log_propagate
644
548
645
def process_input(self, source, condition):
549
646
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
}
647
translations = {"ctrl n": "down", # Emacs
648
"ctrl p": "up", # Emacs
649
"ctrl v": "page down", # Emacs
650
"meta v": "page up", # Emacs
651
" ": "page down", # less
652
"f": "page down", # less
653
"b": "page up", # less
654
"j": "down", # vi
655
"k": "up", # vi
656
}
560
657
for key in keys:
561
658
try:
562
659
key = translations[key]
563
660
except KeyError: # :-)
564
661
pass
565
566
if key == u"q" or key == u"Q":
662
663
if key == "q" or key == "Q":
567
664
self.stop()
568
665
break
569
elif key == u"window resize":
666
elif key == "window resize":
570
667
self.size = self.screen.get_cols_rows()
571
668
self.refresh()
572
elif key == u"\f": # Ctrl-L
669
elif key == "ctrl l":
670
self.screen.clear()
573
671
self.refresh()
574
elif key == u"l" or key == u"D":
672
elif key == "l" or key == "D":
575
673
self.toggle_log_display()
576
674
self.refresh()
577
elif key == u"w" or key == u"i":
675
elif key == "w" or key == "i":
578
676
self.change_log_display()
579
677
self.refresh()
580
elif key == u"?" or key == u"f1" or key == u"esc":
678
elif key == "?" or key == "f1" or key == "esc":
581
679
if not self.log_visible:
582
680
self.log_visible = True
583
681
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"))))
682
self.add_log_line(("bold",
683
" ".join(("q: Quit",
684
"?: Help",
685
"l: Log window toggle",
686
"TAB: Switch window",
687
"w: Wrap (log lines)",
688
"v: Toggle verbose log",
689
))))
690
self.add_log_line(("bold",
691
" ".join(("Clients:",
692
"+: Enable",
693
"-: Disable",
694
"R: Remove",
695
"s: Start new checker",
696
"S: Stop checker",
697
"C: Checker OK",
698
"a: Approve",
699
"d: Deny",
700
))))
600
701
self.refresh()
601
elif key == u"tab":
702
elif key == "tab":
602
703
if self.topwidget.get_focus() is self.logbox:
603
704
self.topwidget.set_focus(0)
604
705
else:
605
706
self.topwidget.set_focus(self.logbox)
606
707
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"$":
614
# pass # xxx move-end-of-line
615
#elif key == u"ctrl a" or key == u"^":
616
# pass # xxx move-beginning-of-line
617
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
618
# pass # xxx left
619
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
620
# pass # xxx right
621
#elif key == u"a":
622
# pass # scroll up log
623
#elif key == u"z":
624
# pass # scroll down log
708
elif key == "v":
709
if log.level < logging.INFO:
710
log.setLevel(logging.INFO)
711
log.info("Verbose mode: Off")
712
else:
713
log.setLevel(logging.NOTSET)
714
log.info("Verbose mode: On")
715
# elif (key == "end" or key == "meta >" or key == "G"
716
# or key == ">"):
717
# pass # xxx end-of-buffer
718
# elif (key == "home" or key == "meta <" or key == "g"
719
# or key == "<"):
720
# pass # xxx beginning-of-buffer
721
# elif key == "ctrl e" or key == "$":
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
625
733
elif self.topwidget.selectable():
626
734
self.topwidget.keypress(self.size, key)
627
735
self.refresh()
628
736
return True
629
737
738
739
class UILogHandler(logging.Handler):
740
def __init__(self, ui, *args, **kwargs):
741
self.ui = ui
742
super(UILogHandler, self).__init__(*args, **kwargs)
743
self.setFormatter(
744
logging.Formatter("%(asctime)s: %(message)s"))
745
def emit(self, record):
746
msg = self.format(record)
747
if record.levelno > logging.INFO:
748
msg = ("bold", msg)
749
self.ui.add_log_line(msg)
750
751
630
752
ui = UserInterface()
631
753
try:
632
754
ui.run()
633
except Exception, e:
634
ui.log_message(unicode(e))
635
ui.screen.stop()
755
except KeyboardInterrupt:
756
with warnings.catch_warnings():
757
warnings.filterwarnings("ignore", "", BytesWarning)
758
ui.screen.stop()
759
except Exception:
760
with warnings.catch_warnings():
761
warnings.filterwarnings("ignore", "", BytesWarning)
762
ui.screen.stop()
636
763
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0