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- Committer: Teddy Hogeborn
- Date: 2019-02-10 10:39:26 UTC
- mto: (237.7.594 trunk)
- mto: This revision was merged to the branch mainline in revision 374.
- Revision ID: teddy@recompile.se-20190210103926-gdkbgjcf81yvhfjo
Bug fix: Ignore some failures to remove files.
* debian/mandos-client.postinst (create_keys): Ignore failure to
remove bad keys.
* mandos-keygen (keygen): Ignore failure to remove files in some
cases.
* debian/mandos-client.postinst (create_keys): Ignore failure to
remove bad keys.
* mandos-keygen (keygen): Ignore failure to remove files in some
cases.
- files added:
- DBUS-API
- debian/source
- debian/upstream
- network-hooks.d
- plugin-helpers
- files removed:
- initramfs-tools-hook-conf
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
1
#!/usr/bin/python
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
#
3
26
4
from __future__ import division, absolute_import, with_statement
27
from __future__ import (division, absolute_import, print_function,
28
unicode_literals)
29
try:
30
from future_builtins import *
31
except ImportError:
32
pass
5
33
6
34
import sys
7
35
import os
8
import signal
9
36
10
37
import datetime
11
38
13
40
import urwid
14
41
15
42
from dbus.mainloop.glib import DBusGMainLoop
16
import gobject
43
from gi.repository import GLib
17
44
18
45
import dbus
19
46
20
import UserList
21
22
47
import locale
23
48
24
locale.setlocale(locale.LC_ALL, u'')
49
import logging
50
51
if sys.version_info.major == 2:
52
str = unicode
53
54
locale.setlocale(locale.LC_ALL, '')
55
56
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
25
57
26
58
# Some useful constants
27
domain = 'se.bsnet.fukt'
59
domain = 'se.recompile'
28
60
server_interface = domain + '.Mandos'
29
61
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)
62
version = "1.8.1"
63
64
try:
65
dbus.OBJECT_MANAGER_IFACE
66
except AttributeError:
67
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
68
69
70
def isoformat_to_datetime(iso):
71
"Parse an ISO 8601 date string to a datetime.datetime()"
72
if not iso:
73
return None
74
d, t = iso.split("T", 1)
75
year, month, day = d.split("-", 2)
76
hour, minute, second = t.split(":", 2)
77
second, fraction = divmod(float(second), 1)
78
return datetime.datetime(int(year),
79
int(month),
80
int(day),
81
int(hour),
82
int(minute),
83
int(second), # Whole seconds
84
int(fraction*1000000)) # Microseconds
85
39
86
40
87
class MandosClientPropertyCache(object):
41
88
"""This wraps a Mandos Client D-Bus proxy object, caches the
42
89
properties and calls a hook function when any of them are
43
90
changed.
44
91
"""
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.
92
def __init__(self, proxy_object=None, properties=None, **kwargs):
93
self.proxy = proxy_object # Mandos Client proxy object
94
self.properties = dict() if properties is None else properties
95
self.property_changed_match = (
96
self.proxy.connect_to_signal("PropertiesChanged",
97
self.properties_changed,
98
dbus.PROPERTIES_IFACE,
99
byte_arrays=True))
100
101
if properties is None:
102
self.properties.update(self.proxy.GetAll(
103
client_interface,
104
dbus_interface=dbus.PROPERTIES_IFACE))
105
106
super(MandosClientPropertyCache, self).__init__(**kwargs)
107
108
def properties_changed(self, interface, properties, invalidated):
109
"""This is called whenever we get a PropertiesChanged signal
110
It updates the changed properties in the "properties" dict.
63
111
"""
64
112
# Update properties dict with new value
65
self.properties[property] = value
113
if interface == client_interface:
114
self.properties.update(properties)
115
116
def delete(self):
117
self.property_changed_match.remove()
66
118
67
119
68
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
69
121
"""A Mandos Client which is visible on the screen.
70
122
"""
71
123
72
124
def __init__(self, server_proxy_object=None, update_hook=None,
73
delete_hook=None, logger=None, *args, **kwargs):
125
delete_hook=None, logger=None, **kwargs):
74
126
# Called on update
75
127
self.update_hook = update_hook
76
128
# Called on delete
79
131
self.server_proxy_object = server_proxy_object
80
132
# Logger
81
133
self.logger = logger
82
134
135
self._update_timer_callback_tag = None
136
83
137
# The widget shown normally
84
self._text_widget = urwid.Text(u"")
138
self._text_widget = urwid.Text("")
85
139
# 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)
140
self._focus_text_widget = urwid.Text("")
141
super(MandosClientWidget, self).__init__(**kwargs)
90
142
self.update()
91
143
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
144
145
self.match_objects = (
146
self.proxy.connect_to_signal("CheckerCompleted",
147
self.checker_completed,
148
client_interface,
149
byte_arrays=True),
150
self.proxy.connect_to_signal("CheckerStarted",
151
self.checker_started,
152
client_interface,
153
byte_arrays=True),
154
self.proxy.connect_to_signal("GotSecret",
155
self.got_secret,
156
client_interface,
157
byte_arrays=True),
158
self.proxy.connect_to_signal("NeedApproval",
159
self.need_approval,
160
client_interface,
161
byte_arrays=True),
162
self.proxy.connect_to_signal("Rejected",
163
self.rejected,
164
client_interface,
165
byte_arrays=True))
166
self.logger('Created client {}'
167
.format(self.properties["Name"]), level=0)
168
169
def using_timer(self, flag):
170
"""Call this method with True or False when timer should be
171
activated or deactivated.
172
"""
173
if flag and self._update_timer_callback_tag is None:
174
# Will update the shown timer value every second
175
self._update_timer_callback_tag = (GLib.timeout_add
176
(1000,
177
self.update_timer))
178
elif not (flag or self._update_timer_callback_tag is None):
179
GLib.source_remove(self._update_timer_callback_tag)
180
self._update_timer_callback_tag = None
181
109
182
def checker_completed(self, exitstatus, condition, command):
110
183
if exitstatus == 0:
111
self.logger(u'Checker for client %s (command "%s")'
112
u' was successful'
113
% (self.properties[u"name"], command))
184
self.logger('Checker for client {} (command "{}")'
185
' succeeded'.format(self.properties["Name"],
186
command), level=0)
187
self.update()
114
188
return
189
# Checker failed
115
190
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
191
self.logger('Checker for client {} (command "{}") failed'
192
' with exit code {}'
193
.format(self.properties["Name"], command,
194
os.WEXITSTATUS(condition)))
195
elif os.WIFSIGNALED(condition):
196
self.logger('Checker for client {} (command "{}") was'
197
' killed by signal {}'
198
.format(self.properties["Name"], command,
199
os.WTERMSIG(condition)))
200
self.update()
201
133
202
def checker_started(self, command):
134
self.logger(u'Client %s started checker "%s"'
135
% (self.properties[u"name"], unicode(command)))
136
203
"""Server signals that a checker started."""
204
self.logger('Client {} started checker "{}"'
205
.format(self.properties["Name"],
206
command), level=0)
207
137
208
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
209
self.logger('Client {} received its secret'
210
.format(self.properties["Name"]))
211
212
def need_approval(self, timeout, default):
213
if not default:
214
message = 'Client {} needs approval within {} seconds'
215
else:
216
message = 'Client {} will get its secret in {} seconds'
217
self.logger(message.format(self.properties["Name"],
218
timeout/1000))
219
220
def rejected(self, reason):
221
self.logger('Client {} was rejected; reason: {}'
222
.format(self.properties["Name"], reason))
223
145
224
def selectable(self):
146
225
"""Make this a "selectable" widget.
147
226
This overrides the method from urwid.FlowWidget."""
148
227
return True
149
150
def rows(self, (maxcol,), focus=False):
228
229
def rows(self, maxcolrow, focus=False):
151
230
"""How many rows this widget will occupy might depend on
152
231
whether we have focus or not.
153
232
This overrides the method from urwid.FlowWidget"""
154
return self.current_widget(focus).rows((maxcol,), focus=focus)
155
233
return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
156
235
def current_widget(self, focus=False):
157
236
if focus or self.opened:
158
237
return self._focus_widget
159
238
return self._widget
160
239
161
240
def update(self):
162
241
"Called when what is visible on the screen should be updated."
163
242
# 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
243
with_standout = {"normal": "standout",
244
"bold": "bold-standout",
245
"underline-blink":
246
"underline-blink-standout",
247
"bold-underline-blink":
248
"bold-underline-blink-standout",
249
}
250
172
251
# 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")})
252
253
# Base part of a client. Name!
254
base = '{name}: '.format(name=self.properties["Name"])
255
if not self.properties["Enabled"]:
256
message = "DISABLED"
257
self.using_timer(False)
258
elif self.properties["ApprovalPending"]:
259
timeout = datetime.timedelta(
260
milliseconds=self.properties["ApprovalDelay"])
261
last_approval_request = isoformat_to_datetime(
262
self.properties["LastApprovalRequest"])
263
if last_approval_request is not None:
264
timer = max(timeout - (datetime.datetime.utcnow()
265
- last_approval_request),
266
datetime.timedelta())
267
else:
268
timer = datetime.timedelta()
269
if self.properties["ApprovedByDefault"]:
270
message = "Approval in {}. (d)eny?"
271
else:
272
message = "Denial in {}. (a)pprove?"
273
message = message.format(str(timer).rsplit(".", 1)[0])
274
self.using_timer(True)
275
elif self.properties["LastCheckerStatus"] != 0:
276
# When checker has failed, show timer until client expires
277
expires = self.properties["Expires"]
278
if expires == "":
279
timer = datetime.timedelta(0)
280
else:
281
expires = (datetime.datetime.strptime
282
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
283
timer = max(expires - datetime.datetime.utcnow(),
284
datetime.timedelta())
285
message = ('A checker has failed! Time until client'
286
' gets disabled: {}'
287
.format(str(timer).rsplit(".", 1)[0]))
288
self.using_timer(True)
289
else:
290
message = "enabled"
291
self.using_timer(False)
292
self._text = "{}{}".format(base, message)
293
179
294
if not urwid.supports_unicode():
180
295
self._text = self._text.encode("ascii", "replace")
181
textlist = [(u"normal", self._text)]
296
textlist = [("normal", self._text)]
182
297
self._text_widget.set_text(textlist)
183
298
self._focus_text_widget.set_text([(with_standout[text[0]],
184
299
text[1])
191
306
# Run update hook, if any
192
307
if self.update_hook is not None:
193
308
self.update_hook()
194
195
def delete(self):
309
310
def update_timer(self):
311
"""called by GLib. Will indefinitely loop until
312
GLib.source_remove() on tag is called
313
"""
314
self.update()
315
return True # Keep calling this
316
317
def delete(self, **kwargs):
318
if self._update_timer_callback_tag is not None:
319
GLib.source_remove(self._update_timer_callback_tag)
320
self._update_timer_callback_tag = None
321
for match in self.match_objects:
322
match.remove()
323
self.match_objects = ()
196
324
if self.delete_hook is not None:
197
325
self.delete_hook(self)
198
199
def render(self, (maxcol,), focus=False):
326
return super(MandosClientWidget, self).delete(**kwargs)
327
328
def render(self, maxcolrow, focus=False):
200
329
"""Render differently if we have focus.
201
330
This overrides the method from urwid.FlowWidget"""
202
return self.current_widget(focus).render((maxcol,),
331
return self.current_widget(focus).render(maxcolrow,
203
332
focus=focus)
204
205
def keypress(self, (maxcol,), key):
333
334
def keypress(self, maxcolrow, key):
206
335
"""Handle keys.
207
336
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":
337
if key == "+":
338
self.proxy.Set(client_interface, "Enabled",
339
dbus.Boolean(True), ignore_reply=True,
340
dbus_interface=dbus.PROPERTIES_IFACE)
341
elif key == "-":
342
self.proxy.Set(client_interface, "Enabled", False,
343
ignore_reply=True,
344
dbus_interface=dbus.PROPERTIES_IFACE)
345
elif key == "a":
346
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
dbus_interface=client_interface,
348
ignore_reply=True)
349
elif key == "d":
350
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
dbus_interface=client_interface,
352
ignore_reply=True)
353
elif key == "R" or key == "_" or key == "ctrl k":
213
354
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()
355
.object_path,
356
ignore_reply=True)
357
elif key == "s":
358
self.proxy.Set(client_interface, "CheckerRunning",
359
dbus.Boolean(True), ignore_reply=True,
360
dbus_interface=dbus.PROPERTIES_IFACE)
361
elif key == "S":
362
self.proxy.Set(client_interface, "CheckerRunning",
363
dbus.Boolean(False), ignore_reply=True,
364
dbus_interface=dbus.PROPERTIES_IFACE)
365
elif key == "C":
366
self.proxy.CheckedOK(dbus_interface=client_interface,
367
ignore_reply=True)
221
368
# xxx
222
# elif key == u"p" or key == "=":
369
# elif key == "p" or key == "=":
223
370
# self.proxy.pause()
224
# elif key == u"u" or key == ":":
371
# elif key == "u" or key == ":":
225
372
# self.proxy.unpause()
226
# elif key == u"RET":
373
# elif key == "RET":
227
374
# self.open()
228
375
else:
229
376
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.
377
378
def properties_changed(self, interface, properties, invalidated):
379
"""Call self.update() if any properties changed.
234
380
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:
381
old_values = {key: self.properties.get(key)
382
for key in properties.keys()}
383
super(MandosClientWidget, self).properties_changed(
384
interface, properties, invalidated)
385
if any(old_values[key] != self.properties.get(key)
386
for key in old_values):
240
387
self.update()
241
388
242
389
245
392
"down" key presses, thus not allowing any containing widgets to
246
393
use them as an excuse to shift focus away from this widget.
247
394
"""
248
def keypress(self, (maxcol, maxrow), key):
249
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
250
if ret in (u"up", u"down"):
395
def keypress(self, *args, **kwargs):
396
ret = (super(ConstrainedListBox, self)
397
.keypress(*args, **kwargs))
398
if ret in ("up", "down"):
251
399
return
252
400
return ret
253
401
256
404
"""This is the entire user interface - the whole screen
257
405
with boxes, lists of client widgets, etc.
258
406
"""
259
def __init__(self, max_log_length=1000):
407
def __init__(self, max_log_length=1000, log_level=1):
260
408
DBusGMainLoop(set_as_default=True)
261
409
262
410
self.screen = urwid.curses_display.Screen()
263
411
264
412
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")),
413
("normal",
414
"default", "default", None),
415
("bold",
416
"bold", "default", "bold"),
417
("underline-blink",
418
"underline,blink", "default", "underline,blink"),
419
("standout",
420
"standout", "default", "standout"),
421
("bold-underline-blink",
422
"bold,underline,blink", "default",
423
"bold,underline,blink"),
424
("bold-standout",
425
"bold,standout", "default", "bold,standout"),
426
("underline-blink-standout",
427
"underline,blink,standout", "default",
428
"underline,blink,standout"),
429
("bold-underline-blink-standout",
430
"bold,underline,blink,standout", "default",
431
"bold,underline,blink,standout"),
282
432
))
283
433
284
434
if urwid.supports_unicode():
285
self.divider = u"─" # \u2500
286
#self.divider = u"━" # \u2501
435
self.divider = "─" # \u2500
287
436
else:
288
#self.divider = u"-" # \u002d
289
self.divider = u"_" # \u005f
290
437
self.divider = "_" # \u005f
438
291
439
self.screen.start()
292
440
293
441
self.size = self.screen.get_cols_rows()
294
442
295
443
self.clients = urwid.SimpleListWalker([])
296
444
self.clients_dict = {}
297
445
298
446
# We will add Text widgets to this list
299
self.log = []
447
self.log = urwid.SimpleListWalker([])
300
448
self.max_log_length = max_log_length
301
449
450
self.log_level = log_level
451
302
452
# We keep a reference to the log widget so we can remove it
303
453
# from the ListWalker without it getting destroyed
304
454
self.logbox = ConstrainedListBox(self.log)
305
455
306
456
# This keeps track of whether self.uilist currently has
307
457
# self.logbox in it or not
308
458
self.log_visible = True
309
self.log_wrap = u"any"
310
459
self.log_wrap = "any"
460
311
461
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
462
self.log_message_raw(("bold",
463
"Mandos Monitor version " + version))
464
self.log_message_raw(("bold",
465
"q: Quit ?: Help"))
466
317
467
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
468
self.main_loop = GLib.MainLoop()
469
362
470
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
471
self.log_message("Client with address {} and fingerprint {}"
472
" could not be found"
473
.format(address, fingerprint))
474
367
475
def rebuild(self):
368
476
"""This rebuilds the User Interface.
369
477
Call this when the widget layout needs to change"""
370
478
self.uilist = []
371
#self.uilist.append(urwid.ListBox(self.clients))
372
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
373
#header=urwid.Divider(),
479
# self.uilist.append(urwid.ListBox(self.clients))
480
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
clients),
482
# header=urwid.Divider(),
374
483
header=None,
375
footer=urwid.Divider(div_char=self.divider)))
484
footer=urwid.Divider(
485
div_char=self.divider)))
376
486
if self.log_visible:
377
487
self.uilist.append(self.logbox)
378
pass
379
488
self.topwidget = urwid.Pile(self.uilist)
380
381
def log_message(self, message):
489
490
def log_message(self, message, level=1):
491
"""Log message formatted with timestamp"""
492
if level < self.log_level:
493
return
382
494
timestamp = datetime.datetime.now().isoformat()
383
self.log_message_raw(timestamp + u": " + message)
384
385
def log_message_raw(self, markup):
495
self.log_message_raw("{}: {}".format(timestamp, message),
496
level=level)
497
498
def log_message_raw(self, markup, level=1):
386
499
"""Add a log message to the log buffer."""
500
if level < self.log_level:
501
return
387
502
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
388
if (self.max_log_length
389
and len(self.log) > self.max_log_length):
390
del self.log[0:len(self.log)-self.max_log_length-1]
391
self.logbox.set_focus(len(self.logbox.body.contents),
392
coming_from=u"above")
503
if self.max_log_length:
504
if len(self.log) > self.max_log_length:
505
del self.log[0:len(self.log)-self.max_log_length-1]
506
self.logbox.set_focus(len(self.logbox.body.contents)-1,
507
coming_from="above")
393
508
self.refresh()
394
509
395
510
def toggle_log_display(self):
396
511
"""Toggle visibility of the log buffer."""
397
512
self.log_visible = not self.log_visible
398
513
self.rebuild()
399
self.log_message(u"Log visibility changed to: "
400
+ unicode(self.log_visible))
401
514
self.log_message("Log visibility changed to: {}"
515
.format(self.log_visible), level=0)
516
402
517
def change_log_display(self):
403
518
"""Change type of log display.
404
519
Currently, this toggles wrapping of text lines."""
405
if self.log_wrap == u"clip":
406
self.log_wrap = u"any"
520
if self.log_wrap == "clip":
521
self.log_wrap = "any"
407
522
else:
408
self.log_wrap = u"clip"
523
self.log_wrap = "clip"
409
524
for textwidget in self.log:
410
525
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
526
self.log_message("Wrap mode: {}".format(self.log_wrap),
527
level=0)
528
529
def find_and_remove_client(self, path, interfaces):
530
"""Find a client by its object path and remove it.
531
532
This is connected to the InterfacesRemoved signal from the
417
533
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
536
return
418
537
try:
419
538
client = self.clients_dict[path]
420
539
except KeyError:
421
540
# not found?
422
return
423
self.remove_client(client, path)
424
425
def add_new_client(self, path):
541
self.log_message("Unknown client {!r} removed"
542
.format(path))
543
return
544
client.delete()
545
546
def add_new_client(self, path, ifs_and_props):
547
"""Find a client by its object path and remove it.
548
549
This is connected to the InterfacesAdded signal from the
550
Mandos server object.
551
"""
552
if client_interface not in ifs_and_props:
553
# Not a Mandos client object; ignore
554
return
426
555
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),
556
self.add_client(MandosClientWidget(
557
server_proxy_object=self.mandos_serv,
558
proxy_object=client_proxy_object,
559
update_hook=self.refresh,
560
delete_hook=self.remove_client,
561
logger=self.log_message,
562
properties=dict(ifs_and_props[client_interface])),
437
563
path=path)
438
564
439
565
def add_client(self, client, path=None):
440
566
self.clients.append(client)
441
567
if path is None:
442
568
path = client.proxy.object_path
443
569
self.clients_dict[path] = client
444
self.clients.sort(None, lambda c: c.properties[u"name"])
570
self.clients.sort(key=lambda c: c.properties["Name"])
445
571
self.refresh()
446
572
447
573
def remove_client(self, client, path=None):
448
574
self.clients.remove(client)
449
575
if path is None:
450
576
path = client.proxy.object_path
451
577
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
578
self.refresh()
458
579
459
580
def refresh(self):
460
581
"""Redraw the screen"""
461
582
canvas = self.topwidget.render(self.size, focus=True)
462
583
self.screen.draw_screen(self.size, canvas)
463
584
464
585
def run(self):
465
586
"""Start the main loop and exit when it's done."""
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
self.log_message_raw(("bold",
597
"Note: Server has no clients."))
598
except dbus.exceptions.DBusException:
599
self.log_message_raw(("bold",
600
"Note: No Mandos server running."))
601
mandos_clients = dbus.Dictionary()
602
603
(self.mandos_serv
604
.connect_to_signal("InterfacesRemoved",
605
self.find_and_remove_client,
606
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
607
byte_arrays=True))
608
(self.mandos_serv
609
.connect_to_signal("InterfacesAdded",
610
self.add_new_client,
611
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
612
byte_arrays=True))
613
(self.mandos_serv
614
.connect_to_signal("ClientNotFound",
615
self.client_not_found,
616
dbus_interface=server_interface,
617
byte_arrays=True))
618
for path, client in mandos_clients.items():
619
client_proxy_object = self.bus.get_object(self.busname,
620
path)
621
self.add_client(MandosClientWidget(
622
server_proxy_object=self.mandos_serv,
623
proxy_object=client_proxy_object,
624
properties=client,
625
update_hook=self.refresh,
626
delete_hook=self.remove_client,
627
logger=self.log_message),
628
path=path)
629
466
630
self.refresh()
467
self._input_callback_tag = (gobject.io_add_watch
631
self._input_callback_tag = (GLib.io_add_watch
468
632
(sys.stdin.fileno(),
469
gobject.IO_IN,
633
GLib.IO_IN,
470
634
self.process_input))
471
635
self.main_loop.run()
472
636
# Main loop has finished, we should close everything now
473
gobject.source_remove(self._input_callback_tag)
637
GLib.source_remove(self._input_callback_tag)
474
638
self.screen.stop()
475
639
476
640
def stop(self):
477
641
self.main_loop.quit()
478
642
479
643
def process_input(self, source, condition):
480
644
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
}
645
translations = {"ctrl n": "down", # Emacs
646
"ctrl p": "up", # Emacs
647
"ctrl v": "page down", # Emacs
648
"meta v": "page up", # Emacs
649
" ": "page down", # less
650
"f": "page down", # less
651
"b": "page up", # less
652
"j": "down", # vi
653
"k": "up", # vi
654
}
491
655
for key in keys:
492
656
try:
493
657
key = translations[key]
494
658
except KeyError: # :-)
495
659
pass
496
497
if key == u"q" or key == u"Q":
660
661
if key == "q" or key == "Q":
498
662
self.stop()
499
663
break
500
elif key == u"window resize":
664
elif key == "window resize":
501
665
self.size = self.screen.get_cols_rows()
502
666
self.refresh()
503
elif key == u"\f": # Ctrl-L
667
elif key == "ctrl l":
668
self.screen.clear()
504
669
self.refresh()
505
elif key == u"l" or key == u"D":
670
elif key == "l" or key == "D":
506
671
self.toggle_log_display()
507
672
self.refresh()
508
elif key == u"w" or key == u"i":
673
elif key == "w" or key == "i":
509
674
self.change_log_display()
510
675
self.refresh()
511
elif key == u"?" or key == u"f1" or key == u"esc":
676
elif key == "?" or key == "f1" or key == "esc":
512
677
if not self.log_visible:
513
678
self.log_visible = True
514
679
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"))))
680
self.log_message_raw(("bold",
681
" ".
682
join(("q: Quit",
683
"?: Help",
684
"l: Log window toggle",
685
"TAB: Switch window",
686
"w: Wrap (log lines)",
687
"v: Toggle verbose log",
688
))))
689
self.log_message_raw(("bold",
690
" "
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"))))
531
700
self.refresh()
532
elif key == u"tab":
701
elif key == "tab":
533
702
if self.topwidget.get_focus() is self.logbox:
534
703
self.topwidget.set_focus(0)
535
704
else:
536
705
self.topwidget.set_focus(self.logbox)
537
706
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"$":
545
# pass # xxx move-end-of-line
546
#elif key == u"ctrl a" or key == u"^":
547
# pass # xxx move-beginning-of-line
548
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
549
# pass # xxx left
550
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
551
# pass # xxx right
552
#elif key == u"a":
553
# pass # scroll up log
554
#elif key == u"z":
555
# pass # scroll down log
707
elif key == "v":
708
if self.log_level == 0:
709
self.log_level = 1
710
self.log_message("Verbose mode: Off")
711
else:
712
self.log_level = 0
713
self.log_message("Verbose mode: On")
714
# elif (key == "end" or key == "meta >" or key == "G"
715
# or key == ">"):
716
# pass # xxx end-of-buffer
717
# elif (key == "home" or key == "meta <" or key == "g"
718
# or key == "<"):
719
# pass # xxx beginning-of-buffer
720
# elif key == "ctrl e" or key == "$":
721
# pass # xxx move-end-of-line
722
# elif key == "ctrl a" or key == "^":
723
# pass # xxx move-beginning-of-line
724
# elif key == "ctrl b" or key == "meta (" or key == "h":
725
# pass # xxx left
726
# elif key == "ctrl f" or key == "meta )" or key == "l":
727
# pass # xxx right
728
# elif key == "a":
729
# pass # scroll up log
730
# elif key == "z":
731
# pass # scroll down log
556
732
elif self.topwidget.selectable():
557
733
self.topwidget.keypress(self.size, key)
558
734
self.refresh()
559
735
return True
560
736
737
561
738
ui = UserInterface()
562
739
try:
563
740
ui.run()
564
except Exception, e:
565
ui.log_message(unicode(e))
741
except KeyboardInterrupt:
742
ui.screen.stop()
743
except Exception as e:
744
ui.log_message(str(e))
566
745
ui.screen.stop()
567
746
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0