To get this branch, use:
bzr branch
http://bzr.recompile.se/loggerhead/mandos/release
« back to all changes in this revision
Viewing changes to mandos-monitor
- browse files at revision 237.7.8
- compare with another revision
- download diff
- download tarball
- view history from revision 237.7.8
- Committer: Teddy Hogeborn
- Date: 2010-10-13 06:12:52 UTC
- mto: (237.12.2 mandos-persistent) (24.1.171 mandos) (299.1.1 release) (300.1.1 release) (301.1.1 release)
- mto: This revision was merged to the branch mainline in revision 282.
- Revision ID: teddy@fukt.bsnet.se-20101013061252-3a918xedja5caya8
* debian/mandos-client.lintian-overrides: Added plugins.d/plymouth.
- files added:
- initramfs-tools-hook-conf
- files removed:
- bugs.xml
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python3 -bbI
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
#
3
#
4
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
5
#
6
# Copyright © 2009,2010 Teddy Hogeborn
7
# Copyright © 2009,2010 Björn Påhlsson
8
#
9
# This program is free software: you can redistribute it and/or modify
10
# it under the terms of the GNU General Public License as published by
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
17
# GNU General Public License for more details.
20
#
18
#
21
19
# 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)
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
21
#
22
# Contact the authors at <mandos@fukt.bsnet.se>.
23
#
28
24
29
try:
30
from future_builtins import *
31
except ImportError:
32
pass
25
from __future__ import division, absolute_import, with_statement
33
26
34
27
import sys
35
import logging
36
28
import os
37
import warnings
29
import signal
30
38
31
import datetime
39
import locale
40
32
41
33
import urwid.curses_display
42
34
import urwid
43
35
44
36
from dbus.mainloop.glib import DBusGMainLoop
45
from gi.repository import GLib
37
import gobject
46
38
47
39
import dbus
48
40
49
if sys.version_info.major == 2:
50
__metaclass__ = type
51
str = unicode
52
input = raw_input
53
54
# Show warnings by default
55
if not sys.warnoptions:
56
warnings.simplefilter("default")
57
58
log = logging.getLogger(os.path.basename(sys.argv[0]))
59
logging.basicConfig(level="NOTSET", # Show all messages
60
format="%(message)s") # Show basic log messages
61
62
logging.captureWarnings(True) # Show warnings via the logging system
63
64
locale.setlocale(locale.LC_ALL, "")
65
66
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
67
logging.getLogger("urwid").setLevel(logging.INFO)
41
import UserList
42
43
import locale
44
45
locale.setlocale(locale.LC_ALL, u'')
46
47
import logging
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
68
49
69
50
# Some useful constants
70
domain = "se.recompile"
71
server_interface = domain + ".Mandos"
72
client_interface = domain + ".Mandos.Client"
73
version = "1.8.17"
74
75
try:
76
dbus.OBJECT_MANAGER_IFACE
77
except AttributeError:
78
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
79
51
domain = 'se.bsnet.fukt'
52
server_interface = domain + '.Mandos'
53
client_interface = domain + '.Mandos.Client'
54
version = "1.2.3"
55
56
# Always run in monochrome mode
57
urwid.curses_display.curses.has_colors = lambda : False
58
59
# Urwid doesn't support blinking, but we want it. Since we have no
60
# use for underline on its own, we make underline also always blink.
61
urwid.curses_display.curses.A_UNDERLINE |= (
62
urwid.curses_display.curses.A_BLINK)
80
63
81
64
def isoformat_to_datetime(iso):
82
65
"Parse an ISO 8601 date string to a datetime.datetime()"
83
66
if not iso:
84
67
return None
85
d, t = iso.split("T", 1)
86
year, month, day = d.split("-", 2)
87
hour, minute, second = t.split(":", 2)
68
d, t = iso.split(u"T", 1)
69
year, month, day = d.split(u"-", 2)
70
hour, minute, second = t.split(u":", 2)
88
71
second, fraction = divmod(float(second), 1)
89
72
return datetime.datetime(int(year),
90
73
int(month),
91
74
int(day),
92
75
int(hour),
93
76
int(minute),
94
int(second), # Whole seconds
95
int(fraction*1000000)) # Microseconds
96
97
98
class MandosClientPropertyCache:
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
79
80
class MandosClientPropertyCache(object):
99
81
"""This wraps a Mandos Client D-Bus proxy object, caches the
100
82
properties and calls a hook function when any of them are
101
83
changed.
102
84
"""
103
def __init__(self, proxy_object=None, properties=None, **kwargs):
104
self.proxy = proxy_object # Mandos Client proxy object
105
self.properties = dict() if properties is None else properties
106
self.property_changed_match = (
107
self.proxy.connect_to_signal("PropertiesChanged",
108
self.properties_changed,
109
dbus.PROPERTIES_IFACE,
110
byte_arrays=True))
111
112
if properties is None:
113
self.properties.update(self.proxy.GetAll(
114
client_interface,
115
dbus_interface=dbus.PROPERTIES_IFACE))
116
117
super(MandosClientPropertyCache, self).__init__(**kwargs)
118
119
def properties_changed(self, interface, properties, invalidated):
120
"""This is called whenever we get a PropertiesChanged signal
121
It updates the changed properties in the "properties" dict.
85
def __init__(self, proxy_object=None, *args, **kwargs):
86
self.proxy = proxy_object # Mandos Client proxy object
87
88
self.properties = dict()
89
self.proxy.connect_to_signal(u"PropertyChanged",
90
self.property_changed,
91
client_interface,
92
byte_arrays=True)
93
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
97
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
100
# *args, **kwargs)
101
102
def property_changed(self, property=None, value=None):
103
"""This is called whenever we get a PropertyChanged signal
104
It updates the changed property in the "properties" dict.
122
105
"""
123
106
# Update properties dict with new value
124
if interface == client_interface:
125
self.properties.update(properties)
126
127
def delete(self):
128
self.property_changed_match.remove()
129
130
131
class MandosClientWidget(MandosClientPropertyCache, urwid.Widget):
107
self.properties[property] = value
108
109
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
132
111
"""A Mandos Client which is visible on the screen.
133
112
"""
134
135
_sizing = frozenset(["flow"])
136
113
137
114
def __init__(self, server_proxy_object=None, update_hook=None,
138
delete_hook=None, **kwargs):
115
delete_hook=None, logger=None, *args, **kwargs):
139
116
# Called on update
140
117
self.update_hook = update_hook
141
118
# Called on delete
142
119
self.delete_hook = delete_hook
143
120
# Mandos Server proxy object
144
121
self.server_proxy_object = server_proxy_object
145
122
# Logger
123
self.logger = logger
124
146
125
self._update_timer_callback_tag = None
147
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
128
148
129
# The widget shown normally
149
self._text_widget = urwid.Text("")
130
self._text_widget = urwid.Text(u"")
150
131
# The widget shown when we have focus
151
self._focus_text_widget = urwid.Text("")
152
super(MandosClientWidget, self).__init__(**kwargs)
132
self._focus_text_widget = urwid.Text(u"")
133
super(MandosClientWidget, self).__init__(
134
update_hook=update_hook, delete_hook=delete_hook,
135
*args, **kwargs)
153
136
self.update()
154
137
self.opened = False
155
156
self.match_objects = (
157
self.proxy.connect_to_signal("CheckerCompleted",
158
self.checker_completed,
159
client_interface,
160
byte_arrays=True),
161
self.proxy.connect_to_signal("CheckerStarted",
162
self.checker_started,
163
client_interface,
164
byte_arrays=True),
165
self.proxy.connect_to_signal("GotSecret",
166
self.got_secret,
167
client_interface,
168
byte_arrays=True),
169
self.proxy.connect_to_signal("NeedApproval",
170
self.need_approval,
171
client_interface,
172
byte_arrays=True),
173
self.proxy.connect_to_signal("Rejected",
174
self.rejected,
175
client_interface,
176
byte_arrays=True))
177
log.debug("Created client %s", self.properties["Name"])
178
138
139
last_checked_ok = isoformat_to_datetime(self.properties
140
[u"LastCheckedOK"])
141
if last_checked_ok is None:
142
self.last_checker_failed = True
143
else:
144
self.last_checker_failed = ((datetime.datetime.utcnow()
145
- last_checked_ok)
146
> datetime.timedelta
147
(milliseconds=
148
self.properties
149
[u"Interval"]))
150
151
if self.last_checker_failed:
152
self.using_timer(True)
153
154
if self.need_approval:
155
self.using_timer(True)
156
157
self.proxy.connect_to_signal(u"CheckerCompleted",
158
self.checker_completed,
159
client_interface,
160
byte_arrays=True)
161
self.proxy.connect_to_signal(u"CheckerStarted",
162
self.checker_started,
163
client_interface,
164
byte_arrays=True)
165
self.proxy.connect_to_signal(u"GotSecret",
166
self.got_secret,
167
client_interface,
168
byte_arrays=True)
169
self.proxy.connect_to_signal(u"NeedApproval",
170
self.need_approval,
171
client_interface,
172
byte_arrays=True)
173
self.proxy.connect_to_signal(u"Rejected",
174
self.rejected,
175
client_interface,
176
byte_arrays=True)
177
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
180
value)
181
if property == u"ApprovalPending":
182
using_timer(bool(value))
183
179
184
def using_timer(self, flag):
180
185
"""Call this method with True or False when timer should be
181
186
activated or deactivated.
182
187
"""
183
if flag and self._update_timer_callback_tag is None:
184
# Will update the shown timer value every second
185
self._update_timer_callback_tag = (
186
GLib.timeout_add(1000,
187
glib_safely(self.update_timer)))
188
elif not (flag or self._update_timer_callback_tag is None):
189
GLib.source_remove(self._update_timer_callback_tag)
188
old = self._update_timer_callback_lock
189
if flag:
190
self._update_timer_callback_lock += 1
191
else:
192
self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
194
self._update_timer_callback_tag = (gobject.timeout_add
195
(1000,
196
self.update_timer))
197
elif old and self._update_timer_callback_lock == 0:
198
gobject.source_remove(self._update_timer_callback_tag)
190
199
self._update_timer_callback_tag = None
191
200
192
201
def checker_completed(self, exitstatus, condition, command):
193
202
if exitstatus == 0:
194
log.debug('Checker for client %s (command "%s")'
195
" succeeded", self.properties["Name"], command)
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger(u'Checker for client %s (command "%s")'
207
# u' was successful'
208
# % (self.properties[u"Name"], command))
196
209
self.update()
197
210
return
198
211
# Checker failed
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
199
215
if os.WIFEXITED(condition):
200
log.info('Checker for client %s (command "%s") failed'
201
" with exit code %d", self.properties["Name"],
202
command, os.WEXITSTATUS(condition))
216
self.logger(u'Checker for client %s (command "%s")'
217
u' failed with exit code %s'
218
% (self.properties[u"Name"], command,
219
os.WEXITSTATUS(condition)))
203
220
elif os.WIFSIGNALED(condition):
204
log.info('Checker for client %s (command "%s") was'
205
" killed by signal %d", self.properties["Name"],
206
command, os.WTERMSIG(condition))
221
self.logger(u'Checker for client %s (command "%s")'
222
u' was killed by signal %s'
223
% (self.properties[u"Name"], command,
224
os.WTERMSIG(condition)))
225
elif os.WCOREDUMP(condition):
226
self.logger(u'Checker for client %s (command "%s")'
227
u' dumped core'
228
% (self.properties[u"Name"], command))
229
else:
230
self.logger(u'Checker for client %s completed'
231
u' mysteriously')
207
232
self.update()
208
233
209
234
def checker_started(self, command):
210
"""Server signals that a checker started."""
211
log.debug('Client %s started checker "%s"',
212
self.properties["Name"], command)
213
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
237
pass
238
214
239
def got_secret(self):
215
log.info("Client %s received its secret",
216
self.properties["Name"])
217
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
243
218
244
def need_approval(self, timeout, default):
219
245
if not default:
220
message = "Client %s needs approval within %f seconds"
246
message = u'Client %s needs approval within %s seconds'
221
247
else:
222
message = "Client %s will get its secret in %f seconds"
223
log.info(message, self.properties["Name"], timeout/1000)
224
248
message = u'Client %s will get its secret in %s seconds'
249
self.logger(message
250
% (self.properties[u"Name"], timeout/1000))
251
self.using_timer(True)
252
225
253
def rejected(self, reason):
226
log.info("Client %s was rejected; reason: %s",
227
self.properties["Name"], reason)
228
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
256
229
257
def selectable(self):
230
258
"""Make this a "selectable" widget.
231
This overrides the method from urwid.Widget."""
259
This overrides the method from urwid.FlowWidget."""
232
260
return True
233
234
def rows(self, maxcolrow, focus=False):
261
262
def rows(self, (maxcol,), focus=False):
235
263
"""How many rows this widget will occupy might depend on
236
264
whether we have focus or not.
237
This overrides the method from urwid.Widget"""
238
return self.current_widget(focus).rows(maxcolrow, focus=focus)
239
265
This overrides the method from urwid.FlowWidget"""
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
267
240
268
def current_widget(self, focus=False):
241
269
if focus or self.opened:
242
270
return self._focus_widget
243
271
return self._widget
244
272
245
273
def update(self):
246
274
"Called when what is visible on the screen should be updated."
247
275
# How to add standout mode to a style
248
with_standout = {"normal": "standout",
249
"bold": "bold-standout",
250
"underline-blink":
251
"underline-blink-standout",
252
"bold-underline-blink":
253
"bold-underline-blink-standout",
254
}
276
with_standout = { u"normal": u"standout",
277
u"bold": u"bold-standout",
278
u"underline-blink":
279
u"underline-blink-standout",
280
u"bold-underline-blink":
281
u"bold-underline-blink-standout",
282
}
255
283
256
284
# Rebuild focus and non-focus widgets using current properties
257
285
258
286
# Base part of a client. Name!
259
base = "{name}: ".format(name=self.properties["Name"])
260
if not self.properties["Enabled"]:
261
message = "DISABLED"
262
self.using_timer(False)
263
elif self.properties["ApprovalPending"]:
264
timeout = datetime.timedelta(
265
milliseconds=self.properties["ApprovalDelay"])
287
base = (u'%(name)s: '
288
% {u"name": self.properties[u"Name"]})
289
if not self.properties[u"Enabled"]:
290
message = u"DISABLED"
291
elif self.properties[u"ApprovalPending"]:
292
timeout = datetime.timedelta(milliseconds
293
= self.properties
294
[u"ApprovalDelay"])
266
295
last_approval_request = isoformat_to_datetime(
267
self.properties["LastApprovalRequest"])
296
self.properties[u"LastApprovalRequest"])
268
297
if last_approval_request is not None:
269
timer = max(timeout - (datetime.datetime.utcnow()
270
- last_approval_request),
271
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
272
300
else:
273
301
timer = datetime.timedelta()
274
if self.properties["ApprovedByDefault"]:
275
message = "Approval in {}. (d)eny?"
276
else:
277
message = "Denial in {}. (a)pprove?"
278
message = message.format(str(timer).rsplit(".", 1)[0])
279
self.using_timer(True)
280
elif self.properties["LastCheckerStatus"] != 0:
281
# When checker has failed, show timer until client expires
282
expires = self.properties["Expires"]
283
if expires == "":
284
timer = datetime.timedelta(0)
285
else:
286
expires = (datetime.datetime.strptime
287
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
288
timer = max(expires - datetime.datetime.utcnow(),
289
datetime.timedelta())
290
message = ("A checker has failed! Time until client"
291
" gets disabled: {}"
292
.format(str(timer).rsplit(".", 1)[0]))
293
self.using_timer(True)
302
if self.properties[u"ApprovedByDefault"]:
303
message = u"Approval in %s. (d)eny?"
304
else:
305
message = u"Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
309
= self.properties
310
[u"Timeout"])
311
last_ok = isoformat_to_datetime(
312
max((self.properties[u"LastCheckedOK"]
313
or self.properties[u"Created"]),
314
self.properties[u"LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
message = (u'A checker has failed! Time until client'
317
u' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
294
319
else:
295
message = "enabled"
296
self.using_timer(False)
297
self._text = "{}{}".format(base, message)
298
320
message = u"enabled"
321
self._text = "%s%s" % (base, message)
322
299
323
if not urwid.supports_unicode():
300
324
self._text = self._text.encode("ascii", "replace")
301
textlist = [("normal", self._text)]
325
textlist = [(u"normal", self._text)]
302
326
self._text_widget.set_text(textlist)
303
327
self._focus_text_widget.set_text([(with_standout[text[0]],
304
328
text[1])
311
335
# Run update hook, if any
312
336
if self.update_hook is not None:
313
337
self.update_hook()
314
338
315
339
def update_timer(self):
316
"""called by GLib. Will indefinitely loop until
317
GLib.source_remove() on tag is called
318
"""
340
"called by gobject"
319
341
self.update()
320
342
return True # Keep calling this
321
322
def delete(self, **kwargs):
343
344
def delete(self):
323
345
if self._update_timer_callback_tag is not None:
324
GLib.source_remove(self._update_timer_callback_tag)
346
gobject.source_remove(self._update_timer_callback_tag)
325
347
self._update_timer_callback_tag = None
326
for match in self.match_objects:
327
match.remove()
328
self.match_objects = ()
329
348
if self.delete_hook is not None:
330
349
self.delete_hook(self)
331
return super(MandosClientWidget, self).delete(**kwargs)
332
333
def render(self, maxcolrow, focus=False):
350
351
def render(self, (maxcol,), focus=False):
334
352
"""Render differently if we have focus.
335
This overrides the method from urwid.Widget"""
336
return self.current_widget(focus).render(maxcolrow,
353
This overrides the method from urwid.FlowWidget"""
354
return self.current_widget(focus).render((maxcol,),
337
355
focus=focus)
338
339
def keypress(self, maxcolrow, key):
356
357
def keypress(self, (maxcol,), key):
340
358
"""Handle keys.
341
This overrides the method from urwid.Widget"""
342
if key == "+":
343
self.proxy.Set(client_interface, "Enabled",
344
dbus.Boolean(True), ignore_reply=True,
345
dbus_interface=dbus.PROPERTIES_IFACE)
346
elif key == "-":
347
self.proxy.Set(client_interface, "Enabled", False,
348
ignore_reply=True,
349
dbus_interface=dbus.PROPERTIES_IFACE)
350
elif key == "a":
359
This overrides the method from urwid.FlowWidget"""
360
if key == u"+":
361
self.proxy.Enable(dbus_interface = client_interface)
362
elif key == u"-":
363
self.proxy.Disable(dbus_interface = client_interface)
364
elif key == u"a":
351
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
352
dbus_interface=client_interface,
353
ignore_reply=True)
354
elif key == "d":
366
dbus_interface = client_interface)
367
elif key == u"d":
355
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
356
dbus_interface=client_interface,
357
ignore_reply=True)
358
elif key == "R" or key == "_" or key == "ctrl k":
369
dbus_interface = client_interface)
370
elif key == u"R" or key == u"_" or key == u"ctrl k":
359
371
self.server_proxy_object.RemoveClient(self.proxy
360
.object_path,
361
ignore_reply=True)
362
elif key == "s":
363
self.proxy.Set(client_interface, "CheckerRunning",
364
dbus.Boolean(True), ignore_reply=True,
365
dbus_interface=dbus.PROPERTIES_IFACE)
366
elif key == "S":
367
self.proxy.Set(client_interface, "CheckerRunning",
368
dbus.Boolean(False), ignore_reply=True,
369
dbus_interface=dbus.PROPERTIES_IFACE)
370
elif key == "C":
371
self.proxy.CheckedOK(dbus_interface=client_interface,
372
ignore_reply=True)
372
.object_path)
373
elif key == u"s":
374
self.proxy.StartChecker(dbus_interface = client_interface)
375
elif key == u"S":
376
self.proxy.StopChecker(dbus_interface = client_interface)
377
elif key == u"C":
378
self.proxy.CheckedOK(dbus_interface = client_interface)
373
379
# xxx
374
# elif key == "p" or key == "=":
380
# elif key == u"p" or key == "=":
375
381
# self.proxy.pause()
376
# elif key == "u" or key == ":":
382
# elif key == u"u" or key == ":":
377
383
# self.proxy.unpause()
378
# elif key == "RET":
384
# elif key == u"RET":
379
385
# self.open()
380
386
else:
381
387
return key
382
383
def properties_changed(self, interface, properties, invalidated):
384
"""Call self.update() if any properties changed.
388
389
def property_changed(self, property=None, value=None,
390
*args, **kwargs):
391
"""Call self.update() if old value is not new value.
385
392
This overrides the method from MandosClientPropertyCache"""
386
old_values = {key: self.properties.get(key)
387
for key in properties.keys()}
388
super(MandosClientWidget, self).properties_changed(
389
interface, properties, invalidated)
390
if any(old_values[key] != self.properties.get(key)
391
for key in old_values):
393
property_name = unicode(property)
394
old_value = self.properties.get(property_name)
395
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
397
if self.properties.get(property_name) != old_value:
392
398
self.update()
393
399
394
400
395
def glib_safely(func, retval=True):
396
def safe_func(*args, **kwargs):
397
try:
398
return func(*args, **kwargs)
399
except Exception:
400
log.exception("")
401
return retval
402
return safe_func
403
404
405
401
class ConstrainedListBox(urwid.ListBox):
406
402
"""Like a normal urwid.ListBox, but will consume all "up" or
407
403
"down" key presses, thus not allowing any containing widgets to
408
404
use them as an excuse to shift focus away from this widget.
409
405
"""
410
def keypress(self, *args, **kwargs):
411
ret = (super(ConstrainedListBox, self)
412
.keypress(*args, **kwargs))
413
if ret in ("up", "down"):
406
def keypress(self, (maxcol, maxrow), key):
407
ret = super(ConstrainedListBox, self).keypress((maxcol,
408
maxrow), key)
409
if ret in (u"up", u"down"):
414
410
return
415
411
return ret
416
412
417
413
418
class UserInterface:
414
class UserInterface(object):
419
415
"""This is the entire user interface - the whole screen
420
416
with boxes, lists of client widgets, etc.
421
417
"""
422
418
def __init__(self, max_log_length=1000):
423
419
DBusGMainLoop(set_as_default=True)
424
420
425
421
self.screen = urwid.curses_display.Screen()
426
422
427
423
self.screen.register_palette((
428
("normal",
429
"default", "default", None),
430
("bold",
431
"bold", "default", "bold"),
432
("underline-blink",
433
"underline,blink", "default", "underline,blink"),
434
("standout",
435
"standout", "default", "standout"),
436
("bold-underline-blink",
437
"bold,underline,blink", "default",
438
"bold,underline,blink"),
439
("bold-standout",
440
"bold,standout", "default", "bold,standout"),
441
("underline-blink-standout",
442
"underline,blink,standout", "default",
443
"underline,blink,standout"),
444
("bold-underline-blink-standout",
445
"bold,underline,blink,standout", "default",
446
"bold,underline,blink,standout"),
424
(u"normal",
425
u"default", u"default", None),
426
(u"bold",
427
u"default", u"default", u"bold"),
428
(u"underline-blink",
429
u"default", u"default", u"underline"),
430
(u"standout",
431
u"default", u"default", u"standout"),
432
(u"bold-underline-blink",
433
u"default", u"default", (u"bold", u"underline")),
434
(u"bold-standout",
435
u"default", u"default", (u"bold", u"standout")),
436
(u"underline-blink-standout",
437
u"default", u"default", (u"underline", u"standout")),
438
(u"bold-underline-blink-standout",
439
u"default", u"default", (u"bold", u"underline",
440
u"standout")),
447
441
))
448
442
449
443
if urwid.supports_unicode():
450
self.divider = "─" # \u2500
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
451
446
else:
452
self.divider = "_" # \u005f
453
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
449
454
450
self.screen.start()
455
451
456
452
self.size = self.screen.get_cols_rows()
457
453
458
454
self.clients = urwid.SimpleListWalker([])
459
455
self.clients_dict = {}
460
456
461
457
# We will add Text widgets to this list
462
self.log = urwid.SimpleListWalker([])
458
self.log = []
463
459
self.max_log_length = max_log_length
464
460
465
461
# We keep a reference to the log widget so we can remove it
466
462
# from the ListWalker without it getting destroyed
467
463
self.logbox = ConstrainedListBox(self.log)
468
464
469
465
# This keeps track of whether self.uilist currently has
470
466
# self.logbox in it or not
471
467
self.log_visible = True
472
self.log_wrap = "any"
473
474
self.loghandler = UILogHandler(self)
475
468
self.log_wrap = u"any"
469
476
470
self.rebuild()
477
self.add_log_line(("bold",
478
"Mandos Monitor version " + version))
479
self.add_log_line(("bold", "q: Quit ?: Help"))
480
481
self.busname = domain + ".Mandos"
482
self.main_loop = GLib.MainLoop()
483
484
def client_not_found(self, key_id, address):
485
log.info("Client with address %s and key ID %s could"
486
" not be found", address, key_id)
487
471
self.log_message_raw((u"bold",
472
u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
474
u"q: Quit ?: Help"))
475
476
self.busname = domain + '.Mandos'
477
self.main_loop = gobject.MainLoop()
478
self.bus = dbus.SystemBus()
479
mandos_dbus_objc = self.bus.get_object(
480
self.busname, u"/", follow_name_owner_changes=True)
481
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
482
dbus_interface
483
= server_interface)
484
try:
485
mandos_clients = (self.mandos_serv
486
.GetAllClientsWithProperties())
487
except dbus.exceptions.DBusException:
488
mandos_clients = dbus.Dictionary()
489
490
(self.mandos_serv
491
.connect_to_signal(u"ClientRemoved",
492
self.find_and_remove_client,
493
dbus_interface=server_interface,
494
byte_arrays=True))
495
(self.mandos_serv
496
.connect_to_signal(u"ClientAdded",
497
self.add_new_client,
498
dbus_interface=server_interface,
499
byte_arrays=True))
500
(self.mandos_serv
501
.connect_to_signal(u"ClientNotFound",
502
self.client_not_found,
503
dbus_interface=server_interface,
504
byte_arrays=True))
505
for path, client in mandos_clients.iteritems():
506
client_proxy_object = self.bus.get_object(self.busname,
507
path)
508
self.add_client(MandosClientWidget(server_proxy_object
509
=self.mandos_serv,
510
proxy_object
511
=client_proxy_object,
512
properties=client,
513
update_hook
514
=self.refresh,
515
delete_hook
516
=self.remove_client,
517
logger
518
=self.log_message),
519
path=path)
520
521
def client_not_found(self, fingerprint, address):
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
524
fingerprint)))
525
488
526
def rebuild(self):
489
527
"""This rebuilds the User Interface.
490
528
Call this when the widget layout needs to change"""
491
529
self.uilist = []
492
# self.uilist.append(urwid.ListBox(self.clients))
530
#self.uilist.append(urwid.ListBox(self.clients))
493
531
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
494
532
clients),
495
# header=urwid.Divider(),
533
#header=urwid.Divider(),
496
534
header=None,
497
footer=urwid.Divider(
498
div_char=self.divider)))
535
footer=
536
urwid.Divider(div_char=
537
self.divider)))
499
538
if self.log_visible:
500
539
self.uilist.append(self.logbox)
540
pass
501
541
self.topwidget = urwid.Pile(self.uilist)
502
503
def add_log_line(self, markup):
542
543
def log_message(self, message):
544
timestamp = datetime.datetime.now().isoformat()
545
self.log_message_raw(timestamp + u": " + message)
546
547
def log_message_raw(self, markup):
548
"""Add a log message to the log buffer."""
504
549
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
if self.max_log_length:
506
if len(self.log) > self.max_log_length:
507
del self.log[0:(len(self.log) - self.max_log_length)]
508
self.logbox.set_focus(len(self.logbox.body.contents)-1,
509
coming_from="above")
550
if (self.max_log_length
551
and len(self.log) > self.max_log_length):
552
del self.log[0:len(self.log)-self.max_log_length-1]
553
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
510
555
self.refresh()
511
556
512
557
def toggle_log_display(self):
513
558
"""Toggle visibility of the log buffer."""
514
559
self.log_visible = not self.log_visible
515
560
self.rebuild()
516
log.debug("Log visibility changed to: %s", self.log_visible)
517
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
563
518
564
def change_log_display(self):
519
565
"""Change type of log display.
520
566
Currently, this toggles wrapping of text lines."""
521
if self.log_wrap == "clip":
522
self.log_wrap = "any"
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
523
569
else:
524
self.log_wrap = "clip"
570
self.log_wrap = u"clip"
525
571
for textwidget in self.log:
526
572
textwidget.set_wrap_mode(self.log_wrap)
527
log.debug("Wrap mode: %s", self.log_wrap)
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
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
574
575
def find_and_remove_client(self, path, name):
576
"""Find an client from its object path and remove it.
577
578
This is connected to the ClientRemoved signal from the
533
579
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
536
return
537
580
try:
538
581
client = self.clients_dict[path]
539
582
except KeyError:
540
583
# not found?
541
log.warning("Unknown client %s removed", path)
542
return
543
client.delete()
544
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
547
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
550
"""
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
553
return
584
return
585
self.remove_client(client, path)
586
587
def add_new_client(self, path):
554
588
client_proxy_object = self.bus.get_object(self.busname, path)
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
properties=dict(ifs_and_props[client_interface])),
589
self.add_client(MandosClientWidget(server_proxy_object
590
=self.mandos_serv,
591
proxy_object
592
=client_proxy_object,
593
update_hook
594
=self.refresh,
595
delete_hook
596
=self.remove_client,
597
logger
598
=self.log_message),
561
599
path=path)
562
600
563
601
def add_client(self, client, path=None):
564
602
self.clients.append(client)
565
603
if path is None:
566
604
path = client.proxy.object_path
567
605
self.clients_dict[path] = client
568
self.clients.sort(key=lambda c: c.properties["Name"])
606
self.clients.sort(None, lambda c: c.properties[u"Name"])
569
607
self.refresh()
570
608
571
609
def remove_client(self, client, path=None):
572
610
self.clients.remove(client)
573
611
if path is None:
574
612
path = client.proxy.object_path
575
613
del self.clients_dict[path]
614
if not self.clients_dict:
615
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
616
# is completely emptied, we need to recreate it.
617
self.clients = urwid.SimpleListWalker([])
618
self.rebuild()
576
619
self.refresh()
577
620
578
621
def refresh(self):
579
622
"""Redraw the screen"""
580
623
canvas = self.topwidget.render(self.size, focus=True)
581
624
self.screen.draw_screen(self.size, canvas)
582
625
583
626
def run(self):
584
627
"""Start the main loop and exit when it's done."""
585
log.addHandler(self.loghandler)
586
self.orig_log_propagate = log.propagate
587
log.propagate = False
588
self.orig_log_level = log.level
589
log.setLevel("INFO")
590
self.bus = dbus.SystemBus()
591
mandos_dbus_objc = self.bus.get_object(
592
self.busname, "/", follow_name_owner_changes=True)
593
self.mandos_serv = dbus.Interface(
594
mandos_dbus_objc, dbus_interface=server_interface)
595
try:
596
mandos_clients = (self.mandos_serv
597
.GetAllClientsWithProperties())
598
if not mandos_clients:
599
log.warning("Note: Server has no clients.")
600
except dbus.exceptions.DBusException:
601
log.warning("Note: No Mandos server running.")
602
mandos_clients = dbus.Dictionary()
603
604
(self.mandos_serv
605
.connect_to_signal("InterfacesRemoved",
606
self.find_and_remove_client,
607
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
608
byte_arrays=True))
609
(self.mandos_serv
610
.connect_to_signal("InterfacesAdded",
611
self.add_new_client,
612
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
613
byte_arrays=True))
614
(self.mandos_serv
615
.connect_to_signal("ClientNotFound",
616
self.client_not_found,
617
dbus_interface=server_interface,
618
byte_arrays=True))
619
for path, client in mandos_clients.items():
620
client_proxy_object = self.bus.get_object(self.busname,
621
path)
622
self.add_client(MandosClientWidget(
623
server_proxy_object=self.mandos_serv,
624
proxy_object=client_proxy_object,
625
properties=client,
626
update_hook=self.refresh,
627
delete_hook=self.remove_client),
628
path=path)
629
630
628
self.refresh()
631
self._input_callback_tag = (
632
GLib.io_add_watch(
633
GLib.IOChannel.unix_new(sys.stdin.fileno()),
634
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
635
glib_safely(self.process_input)))
629
self._input_callback_tag = (gobject.io_add_watch
630
(sys.stdin.fileno(),
631
gobject.IO_IN,
632
self.process_input))
636
633
self.main_loop.run()
637
634
# Main loop has finished, we should close everything now
638
GLib.source_remove(self._input_callback_tag)
639
with warnings.catch_warnings():
640
warnings.simplefilter("ignore", BytesWarning)
641
self.screen.stop()
642
635
gobject.source_remove(self._input_callback_tag)
636
self.screen.stop()
637
643
638
def stop(self):
644
639
self.main_loop.quit()
645
log.removeHandler(self.loghandler)
646
log.propagate = self.orig_log_propagate
647
640
648
641
def process_input(self, source, condition):
649
642
keys = self.screen.get_input()
650
translations = {"ctrl n": "down", # Emacs
651
"ctrl p": "up", # Emacs
652
"ctrl v": "page down", # Emacs
653
"meta v": "page up", # Emacs
654
" ": "page down", # less
655
"f": "page down", # less
656
"b": "page up", # less
657
"j": "down", # vi
658
"k": "up", # vi
659
}
643
translations = { u"ctrl n": u"down", # Emacs
644
u"ctrl p": u"up", # Emacs
645
u"ctrl v": u"page down", # Emacs
646
u"meta v": u"page up", # Emacs
647
u" ": u"page down", # less
648
u"f": u"page down", # less
649
u"b": u"page up", # less
650
u"j": u"down", # vi
651
u"k": u"up", # vi
652
}
660
653
for key in keys:
661
654
try:
662
655
key = translations[key]
663
656
except KeyError: # :-)
664
657
pass
665
666
if key == "q" or key == "Q":
658
659
if key == u"q" or key == u"Q":
667
660
self.stop()
668
661
break
669
elif key == "window resize":
662
elif key == u"window resize":
670
663
self.size = self.screen.get_cols_rows()
671
664
self.refresh()
672
elif key == "ctrl l":
673
self.screen.clear()
665
elif key == u"\f": # Ctrl-L
674
666
self.refresh()
675
elif key == "l" or key == "D":
667
elif key == u"l" or key == u"D":
676
668
self.toggle_log_display()
677
669
self.refresh()
678
elif key == "w" or key == "i":
670
elif key == u"w" or key == u"i":
679
671
self.change_log_display()
680
672
self.refresh()
681
elif key == "?" or key == "f1" or key == "esc":
673
elif key == u"?" or key == u"f1" or key == u"esc":
682
674
if not self.log_visible:
683
675
self.log_visible = True
684
676
self.rebuild()
685
self.add_log_line(("bold",
686
" ".join(("q: Quit",
687
"?: Help",
688
"l: Log window toggle",
689
"TAB: Switch window",
690
"w: Wrap (log lines)",
691
"v: Toggle verbose log",
692
))))
693
self.add_log_line(("bold",
694
" ".join(("Clients:",
695
"+: Enable",
696
"-: Disable",
697
"R: Remove",
698
"s: Start new checker",
699
"S: Stop checker",
700
"C: Checker OK",
701
"a: Approve",
702
"d: Deny",
703
))))
677
self.log_message_raw((u"bold",
678
u" ".
679
join((u"q: Quit",
680
u"?: Help",
681
u"l: Log window toggle",
682
u"TAB: Switch window",
683
u"w: Wrap (log)"))))
684
self.log_message_raw((u"bold",
685
u" "
686
.join((u"Clients:",
687
u"+: Enable",
688
u"-: Disable",
689
u"R: Remove",
690
u"s: Start new checker",
691
u"S: Stop checker",
692
u"C: Checker OK",
693
u"a: Approve",
694
u"d: Deny"))))
704
695
self.refresh()
705
elif key == "tab":
696
elif key == u"tab":
706
697
if self.topwidget.get_focus() is self.logbox:
707
698
self.topwidget.set_focus(0)
708
699
else:
709
700
self.topwidget.set_focus(self.logbox)
710
701
self.refresh()
711
elif key == "v":
712
if log.level < logging.INFO:
713
log.setLevel(logging.INFO)
714
log.info("Verbose mode: Off")
715
else:
716
log.setLevel(logging.NOTSET)
717
log.info("Verbose mode: On")
718
# elif (key == "end" or key == "meta >" or key == "G"
719
# or key == ">"):
720
# pass # xxx end-of-buffer
721
# elif (key == "home" or key == "meta <" or key == "g"
722
# or key == "<"):
723
# pass # xxx beginning-of-buffer
724
# elif key == "ctrl e" or key == "$":
725
# pass # xxx move-end-of-line
726
# elif key == "ctrl a" or key == "^":
727
# pass # xxx move-beginning-of-line
728
# elif key == "ctrl b" or key == "meta (" or key == "h":
729
# pass # xxx left
730
# elif key == "ctrl f" or key == "meta )" or key == "l":
731
# pass # xxx right
732
# elif key == "a":
733
# pass # scroll up log
734
# elif key == "z":
735
# pass # scroll down log
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
703
# or key == u">"):
704
# pass # xxx end-of-buffer
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
706
# or key == u"<"):
707
# pass # xxx beginning-of-buffer
708
#elif key == u"ctrl e" or key == u"$":
709
# pass # xxx move-end-of-line
710
#elif key == u"ctrl a" or key == u"^":
711
# pass # xxx move-beginning-of-line
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
713
# pass # xxx left
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
715
# pass # xxx right
716
#elif key == u"a":
717
# pass # scroll up log
718
#elif key == u"z":
719
# pass # scroll down log
736
720
elif self.topwidget.selectable():
737
721
self.topwidget.keypress(self.size, key)
738
722
self.refresh()
739
723
return True
740
724
741
742
class UILogHandler(logging.Handler):
743
def __init__(self, ui, *args, **kwargs):
744
self.ui = ui
745
super(UILogHandler, self).__init__(*args, **kwargs)
746
self.setFormatter(
747
logging.Formatter("%(asctime)s: %(message)s"))
748
def emit(self, record):
749
msg = self.format(record)
750
if record.levelno > logging.INFO:
751
msg = ("bold", msg)
752
self.ui.add_log_line(msg)
753
754
755
725
ui = UserInterface()
756
726
try:
757
727
ui.run()
758
728
except KeyboardInterrupt:
759
with warnings.catch_warnings():
760
warnings.filterwarnings("ignore", "", BytesWarning)
761
ui.screen.stop()
762
except Exception:
763
with warnings.catch_warnings():
764
warnings.filterwarnings("ignore", "", BytesWarning)
765
ui.screen.stop()
729
ui.screen.stop()
730
except Exception, e:
731
ui.log_message(unicode(e))
732
ui.screen.stop()
766
733
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0