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- Committer: Teddy Hogeborn
- Date: 2024-09-08 00:31:34 UTC
- Revision ID: teddy@recompile.se-20240908003134-kvu38pk7wzhz4rbu
Very minor security improvement when uninstalling package
* debian/mandos-client.postrm: Also shred(1) tls-privkkey.pem.
* debian/mandos-client.postrm: Also shred(1) tls-privkkey.pem.
- 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
#
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# This file is part of Mandos.
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#
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# 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
#
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# 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/>.
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#
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
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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)
39
40
class MandosClientPropertyCache(object):
69
domain = "se.recompile"
70
server_interface = domain + ".Mandos"
71
client_interface = domain + ".Mandos.Client"
72
version = "1.8.16"
73
74
try:
75
dbus.OBJECT_MANAGER_IFACE
76
except AttributeError:
77
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
78
79
80
def isoformat_to_datetime(iso):
81
"Parse an ISO 8601 date string to a datetime.datetime()"
82
if not iso:
83
return None
84
d, t = iso.split("T", 1)
85
year, month, day = d.split("-", 2)
86
hour, minute, second = t.split(":", 2)
87
second, fraction = divmod(float(second), 1)
88
return datetime.datetime(int(year),
89
int(month),
90
int(day),
91
int(hour),
92
int(minute),
93
int(second), # Whole seconds
94
int(fraction*1000000)) # Microseconds
95
96
97
class MandosClientPropertyCache:
41
98
"""This wraps a Mandos Client D-Bus proxy object, caches the
42
99
properties and calls a hook function when any of them are
43
100
changed.
44
101
"""
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.
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.
63
121
"""
64
122
# Update properties dict with new value
65
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()
66
128
67
129
68
130
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
69
131
"""A Mandos Client which is visible on the screen.
70
132
"""
71
133
72
134
def __init__(self, server_proxy_object=None, update_hook=None,
73
delete_hook=None, logger=None, *args, **kwargs):
135
delete_hook=None, **kwargs):
74
136
# Called on update
75
137
self.update_hook = update_hook
76
138
# Called on delete
77
139
self.delete_hook = delete_hook
78
140
# Mandos Server proxy object
79
141
self.server_proxy_object = server_proxy_object
80
# Logger
81
self.logger = logger
82
142
143
self._update_timer_callback_tag = None
144
83
145
# The widget shown normally
84
self._text_widget = urwid.Text(u"")
146
self._text_widget = urwid.Text("")
85
147
# 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)
148
self._focus_text_widget = urwid.Text("")
149
super(MandosClientWidget, self).__init__(**kwargs)
90
150
self.update()
91
151
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
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
109
189
def checker_completed(self, exitstatus, condition, command):
110
190
if exitstatus == 0:
111
self.logger(u'Checker for client %s (command "%s")'
112
u' was successful'
113
% (self.properties[u"name"], command))
191
log.debug('Checker for client %s (command "%s")'
192
" succeeded", self.properties["Name"], command)
193
self.update()
114
194
return
195
# Checker failed
115
196
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
197
log.info('Checker for client %s (command "%s") failed'
198
" with exit code %d", self.properties["Name"],
199
command, os.WEXITSTATUS(condition))
200
elif os.WIFSIGNALED(condition):
201
log.info('Checker for client %s (command "%s") was'
202
" killed by signal %d", self.properties["Name"],
203
command, os.WTERMSIG(condition))
204
self.update()
205
133
206
def checker_started(self, command):
134
self.logger(u'Client %s started checker "%s"'
135
% (self.properties[u"name"], unicode(command)))
136
207
"""Server signals that a checker started."""
208
log.debug('Client %s started checker "%s"',
209
self.properties["Name"], command)
210
137
211
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
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
145
226
def selectable(self):
146
227
"""Make this a "selectable" widget.
147
228
This overrides the method from urwid.FlowWidget."""
148
229
return True
149
150
def rows(self, (maxcol,), focus=False):
230
231
def rows(self, maxcolrow, focus=False):
151
232
"""How many rows this widget will occupy might depend on
152
233
whether we have focus or not.
153
234
This overrides the method from urwid.FlowWidget"""
154
return self.current_widget(focus).rows((maxcol,), focus=focus)
155
235
return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
156
237
def current_widget(self, focus=False):
157
238
if focus or self.opened:
158
239
return self._focus_widget
159
240
return self._widget
160
241
161
242
def update(self):
162
243
"Called when what is visible on the screen should be updated."
163
244
# 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
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
172
253
# 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")})
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
179
296
if not urwid.supports_unicode():
180
297
self._text = self._text.encode("ascii", "replace")
181
textlist = [(u"normal", self._text)]
298
textlist = [("normal", self._text)]
182
299
self._text_widget.set_text(textlist)
183
300
self._focus_text_widget.set_text([(with_standout[text[0]],
184
301
text[1])
191
308
# Run update hook, if any
192
309
if self.update_hook is not None:
193
310
self.update_hook()
194
195
def delete(self):
311
312
def update_timer(self):
313
"""called by GLib. Will indefinitely loop until
314
GLib.source_remove() on tag is called
315
"""
316
self.update()
317
return True # Keep calling this
318
319
def delete(self, **kwargs):
320
if self._update_timer_callback_tag is not None:
321
GLib.source_remove(self._update_timer_callback_tag)
322
self._update_timer_callback_tag = None
323
for match in self.match_objects:
324
match.remove()
325
self.match_objects = ()
196
326
if self.delete_hook is not None:
197
327
self.delete_hook(self)
198
199
def render(self, (maxcol,), focus=False):
328
return super(MandosClientWidget, self).delete(**kwargs)
329
330
def render(self, maxcolrow, focus=False):
200
331
"""Render differently if we have focus.
201
332
This overrides the method from urwid.FlowWidget"""
202
return self.current_widget(focus).render((maxcol,),
333
return self.current_widget(focus).render(maxcolrow,
203
334
focus=focus)
204
205
def keypress(self, (maxcol,), key):
335
336
def keypress(self, maxcolrow, key):
206
337
"""Handle keys.
207
338
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":
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":
213
356
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()
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)
221
370
# xxx
222
# elif key == u"p" or key == "=":
371
# elif key == "p" or key == "=":
223
372
# self.proxy.pause()
224
# elif key == u"u" or key == ":":
373
# elif key == "u" or key == ":":
225
374
# self.proxy.unpause()
226
# elif key == u"RET":
375
# elif key == "RET":
227
376
# self.open()
228
377
else:
229
378
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.
379
380
def properties_changed(self, interface, properties, invalidated):
381
"""Call self.update() if any properties changed.
234
382
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:
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):
240
389
self.update()
241
390
242
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
243
402
class ConstrainedListBox(urwid.ListBox):
244
403
"""Like a normal urwid.ListBox, but will consume all "up" or
245
404
"down" key presses, thus not allowing any containing widgets to
246
405
use them as an excuse to shift focus away from this widget.
247
406
"""
248
def keypress(self, (maxcol, maxrow), key):
249
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
250
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"):
251
411
return
252
412
return ret
253
413
254
414
255
class UserInterface(object):
415
class UserInterface:
256
416
"""This is the entire user interface - the whole screen
257
417
with boxes, lists of client widgets, etc.
258
418
"""
259
419
def __init__(self, max_log_length=1000):
260
420
DBusGMainLoop(set_as_default=True)
261
421
262
422
self.screen = urwid.curses_display.Screen()
263
423
264
424
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")),
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"),
282
444
))
283
445
284
446
if urwid.supports_unicode():
285
self.divider = u"─" # \u2500
286
#self.divider = u"━" # \u2501
447
self.divider = "─" # \u2500
287
448
else:
288
#self.divider = u"-" # \u002d
289
self.divider = u"_" # \u005f
290
449
self.divider = "_" # \u005f
450
291
451
self.screen.start()
292
452
293
453
self.size = self.screen.get_cols_rows()
294
454
295
455
self.clients = urwid.SimpleListWalker([])
296
456
self.clients_dict = {}
297
457
298
458
# We will add Text widgets to this list
299
self.log = []
459
self.log = urwid.SimpleListWalker([])
300
460
self.max_log_length = max_log_length
301
461
302
462
# We keep a reference to the log widget so we can remove it
303
463
# from the ListWalker without it getting destroyed
304
464
self.logbox = ConstrainedListBox(self.log)
305
465
306
466
# This keeps track of whether self.uilist currently has
307
467
# self.logbox in it or not
308
468
self.log_visible = True
309
self.log_wrap = u"any"
310
469
self.log_wrap = "any"
470
471
self.loghandler = UILogHandler(self)
472
311
473
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
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
367
485
def rebuild(self):
368
486
"""This rebuilds the User Interface.
369
487
Call this when the widget layout needs to change"""
370
488
self.uilist = []
371
#self.uilist.append(urwid.ListBox(self.clients))
372
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
373
#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(),
374
493
header=None,
375
footer=urwid.Divider(div_char=self.divider)))
494
footer=urwid.Divider(
495
div_char=self.divider)))
376
496
if self.log_visible:
377
497
self.uilist.append(self.logbox)
378
pass
379
498
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."""
499
500
def add_log_line(self, markup):
387
501
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")
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")
393
507
self.refresh()
394
508
395
509
def toggle_log_display(self):
396
510
"""Toggle visibility of the log buffer."""
397
511
self.log_visible = not self.log_visible
398
512
self.rebuild()
399
self.log_message(u"Log visibility changed to: "
400
+ unicode(self.log_visible))
401
513
log.debug("Log visibility changed to: %s", self.log_visible)
514
402
515
def change_log_display(self):
403
516
"""Change type of log display.
404
517
Currently, this toggles wrapping of text lines."""
405
if self.log_wrap == u"clip":
406
self.log_wrap = u"any"
518
if self.log_wrap == "clip":
519
self.log_wrap = "any"
407
520
else:
408
self.log_wrap = u"clip"
521
self.log_wrap = "clip"
409
522
for textwidget in self.log:
410
523
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
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
417
530
Mandos server object."""
531
if client_interface not in interfaces:
532
# Not a Mandos client object; ignore
533
return
418
534
try:
419
535
client = self.clients_dict[path]
420
536
except KeyError:
421
537
# not found?
422
return
423
self.remove_client(client, path)
424
425
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
426
551
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),
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])),
437
558
path=path)
438
559
439
560
def add_client(self, client, path=None):
440
561
self.clients.append(client)
441
562
if path is None:
442
563
path = client.proxy.object_path
443
564
self.clients_dict[path] = client
444
self.clients.sort(None, lambda c: c.properties[u"name"])
565
self.clients.sort(key=lambda c: c.properties["Name"])
445
566
self.refresh()
446
567
447
568
def remove_client(self, client, path=None):
448
569
self.clients.remove(client)
449
570
if path is None:
450
571
path = client.proxy.object_path
451
572
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
573
self.refresh()
458
574
459
575
def refresh(self):
460
576
"""Redraw the screen"""
461
577
canvas = self.topwidget.render(self.size, focus=True)
462
578
self.screen.draw_screen(self.size, canvas)
463
579
464
580
def run(self):
465
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
466
627
self.refresh()
467
self._input_callback_tag = (gobject.io_add_watch
468
(sys.stdin.fileno(),
469
gobject.IO_IN,
470
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)))
471
633
self.main_loop.run()
472
634
# Main loop has finished, we should close everything now
473
gobject.source_remove(self._input_callback_tag)
474
self.screen.stop()
475
635
GLib.source_remove(self._input_callback_tag)
636
with warnings.catch_warnings():
637
warnings.simplefilter("ignore", BytesWarning)
638
self.screen.stop()
639
476
640
def stop(self):
477
641
self.main_loop.quit()
478
642
log.removeHandler(self.loghandler)
643
log.propagate = self.orig_log_propagate
644
479
645
def process_input(self, source, condition):
480
646
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
}
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
}
491
657
for key in keys:
492
658
try:
493
659
key = translations[key]
494
660
except KeyError: # :-)
495
661
pass
496
497
if key == u"q" or key == u"Q":
662
663
if key == "q" or key == "Q":
498
664
self.stop()
499
665
break
500
elif key == u"window resize":
666
elif key == "window resize":
501
667
self.size = self.screen.get_cols_rows()
502
668
self.refresh()
503
elif key == u"\f": # Ctrl-L
669
elif key == "ctrl l":
670
self.screen.clear()
504
671
self.refresh()
505
elif key == u"l" or key == u"D":
672
elif key == "l" or key == "D":
506
673
self.toggle_log_display()
507
674
self.refresh()
508
elif key == u"w" or key == u"i":
675
elif key == "w" or key == "i":
509
676
self.change_log_display()
510
677
self.refresh()
511
elif key == u"?" or key == u"f1" or key == u"esc":
678
elif key == "?" or key == "f1" or key == "esc":
512
679
if not self.log_visible:
513
680
self.log_visible = True
514
681
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"))))
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
))))
531
701
self.refresh()
532
elif key == u"tab":
702
elif key == "tab":
533
703
if self.topwidget.get_focus() is self.logbox:
534
704
self.topwidget.set_focus(0)
535
705
else:
536
706
self.topwidget.set_focus(self.logbox)
537
707
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"$":
545
# pass # xxx move-end-of-line
546
#elif key == u"ctrl a" or key == u"^":
547
# pass # xxx move-beginning-of-line
548
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
549
# pass # xxx left
550
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
551
# pass # xxx right
552
#elif key == u"a":
553
# pass # scroll up log
554
#elif key == u"z":
555
# pass # scroll down log
708
elif key == "v":
709
if log.level < logging.INFO:
710
log.setLevel(logging.INFO)
711
log.info("Verbose mode: Off")
712
else:
713
log.setLevel(logging.NOTSET)
714
log.info("Verbose mode: On")
715
# elif (key == "end" or key == "meta >" or key == "G"
716
# or key == ">"):
717
# pass # xxx end-of-buffer
718
# elif (key == "home" or key == "meta <" or key == "g"
719
# or key == "<"):
720
# pass # xxx beginning-of-buffer
721
# elif key == "ctrl e" or key == "$":
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
556
733
elif self.topwidget.selectable():
557
734
self.topwidget.keypress(self.size, key)
558
735
self.refresh()
559
736
return True
560
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
561
752
ui = UserInterface()
562
753
try:
563
754
ui.run()
564
except Exception, e:
565
ui.log_message(unicode(e))
566
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()
567
763
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0