To get this branch, use:
bzr branch
http://bzr.recompile.se/loggerhead/mandos/trunk
« back to all changes in this revision
Viewing changes to mandos-monitor
- browse files at revision 237.4.1
- compare with another revision
- download diff
- download tarball
- view history from revision 237.4.1
- Committer: Teddy Hogeborn
- Date: 2010-09-28 18:39:30 UTC
- mfrom: (449 mandos-local)
- mto: (24.1.170 mandos) (237.4.29 release)
- mto: This revision was merged to the branch mainline in revision 450.
- Revision ID: teddy@fukt.bsnet.se-20100928183930-i0r0cb2e2v5w6dfe
Merge from trunk. D-Bus usage is now standard, and there are two new
utilities (mandos-monitor and mandos-ctl) which uses it. Also, a new
plugin for Plymouth. Also fixes Debian bug #557076.
utilities (mandos-monitor and mandos-ctl) which uses it. Also, a new
plugin for Plymouth. Also fixes Debian bug #557076.
- files added:
- initramfs-tools-hook-conf
- files removed:
- bugs.xml
- debian/source
- 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
#
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
21
#
22
# Contact the authors at <mandos@fukt.bsnet.se>.
23
#
26
24
27
from __future__ import (division, absolute_import, print_function,
28
unicode_literals)
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
28
import os
36
import warnings
29
import signal
30
37
31
import datetime
38
import locale
39
import logging
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
53
log = logging.getLogger(os.path.basename(sys.argv[0]))
54
logging.basicConfig(level="NOTSET", # Show all messages
55
format="%(message)s") # Show basic log messages
56
57
logging.captureWarnings(True) # Show warnings via the logging system
58
59
locale.setlocale(locale.LC_ALL, "")
60
61
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
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)
62
49
63
50
# Some useful constants
64
domain = "se.recompile"
65
server_interface = domain + ".Mandos"
66
client_interface = domain + ".Mandos.Client"
67
version = "1.8.10"
68
69
try:
70
dbus.OBJECT_MANAGER_IFACE
71
except AttributeError:
72
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
73
51
domain = 'se.bsnet.fukt'
52
server_interface = domain + '.Mandos'
53
client_interface = domain + '.Mandos.Client'
54
version = "1.0.15"
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)
74
63
75
64
def isoformat_to_datetime(iso):
76
65
"Parse an ISO 8601 date string to a datetime.datetime()"
77
66
if not iso:
78
67
return None
79
d, t = iso.split("T", 1)
80
year, month, day = d.split("-", 2)
81
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)
82
71
second, fraction = divmod(float(second), 1)
83
72
return datetime.datetime(int(year),
84
73
int(month),
85
74
int(day),
86
75
int(hour),
87
76
int(minute),
88
int(second), # Whole seconds
89
int(fraction*1000000)) # Microseconds
90
91
92
class MandosClientPropertyCache:
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
79
80
class MandosClientPropertyCache(object):
93
81
"""This wraps a Mandos Client D-Bus proxy object, caches the
94
82
properties and calls a hook function when any of them are
95
83
changed.
96
84
"""
97
def __init__(self, proxy_object=None, properties=None, **kwargs):
98
self.proxy = proxy_object # Mandos Client proxy object
99
self.properties = dict() if properties is None else properties
100
self.property_changed_match = (
101
self.proxy.connect_to_signal("PropertiesChanged",
102
self.properties_changed,
103
dbus.PROPERTIES_IFACE,
104
byte_arrays=True))
105
106
if properties is None:
107
self.properties.update(self.proxy.GetAll(
108
client_interface,
109
dbus_interface=dbus.PROPERTIES_IFACE))
110
111
super(MandosClientPropertyCache, self).__init__(**kwargs)
112
113
def properties_changed(self, interface, properties, invalidated):
114
"""This is called whenever we get a PropertiesChanged signal
115
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.
116
105
"""
117
106
# Update properties dict with new value
118
if interface == client_interface:
119
self.properties.update(properties)
120
121
def delete(self):
122
self.property_changed_match.remove()
107
self.properties[property] = value
123
108
124
109
125
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
126
111
"""A Mandos Client which is visible on the screen.
127
112
"""
128
113
129
114
def __init__(self, server_proxy_object=None, update_hook=None,
130
delete_hook=None, **kwargs):
115
delete_hook=None, logger=None, *args, **kwargs):
131
116
# Called on update
132
117
self.update_hook = update_hook
133
118
# Called on delete
134
119
self.delete_hook = delete_hook
135
120
# Mandos Server proxy object
136
121
self.server_proxy_object = server_proxy_object
137
122
# Logger
123
self.logger = logger
124
138
125
self._update_timer_callback_tag = None
139
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
128
140
129
# The widget shown normally
141
self._text_widget = urwid.Text("")
130
self._text_widget = urwid.Text(u"")
142
131
# The widget shown when we have focus
143
self._focus_text_widget = urwid.Text("")
144
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)
145
136
self.update()
146
137
self.opened = False
147
148
self.match_objects = (
149
self.proxy.connect_to_signal("CheckerCompleted",
150
self.checker_completed,
151
client_interface,
152
byte_arrays=True),
153
self.proxy.connect_to_signal("CheckerStarted",
154
self.checker_started,
155
client_interface,
156
byte_arrays=True),
157
self.proxy.connect_to_signal("GotSecret",
158
self.got_secret,
159
client_interface,
160
byte_arrays=True),
161
self.proxy.connect_to_signal("NeedApproval",
162
self.need_approval,
163
client_interface,
164
byte_arrays=True),
165
self.proxy.connect_to_signal("Rejected",
166
self.rejected,
167
client_interface,
168
byte_arrays=True))
169
log.debug("Created client %s", self.properties["Name"])
170
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
171
184
def using_timer(self, flag):
172
185
"""Call this method with True or False when timer should be
173
186
activated or deactivated.
174
187
"""
175
if flag and self._update_timer_callback_tag is None:
176
# Will update the shown timer value every second
177
self._update_timer_callback_tag = (
178
GLib.timeout_add(1000,
179
glib_safely(self.update_timer)))
180
elif not (flag or self._update_timer_callback_tag is None):
181
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)
182
199
self._update_timer_callback_tag = None
183
200
184
201
def checker_completed(self, exitstatus, condition, command):
185
202
if exitstatus == 0:
186
log.debug('Checker for client %s (command "%s")'
187
" 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))
188
209
self.update()
189
210
return
190
211
# Checker failed
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
191
215
if os.WIFEXITED(condition):
192
log.info('Checker for client %s (command "%s") failed'
193
" with exit code %d", self.properties["Name"],
194
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)))
195
220
elif os.WIFSIGNALED(condition):
196
log.info('Checker for client %s (command "%s") was'
197
" killed by signal %d", self.properties["Name"],
198
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')
199
232
self.update()
200
233
201
234
def checker_started(self, command):
202
"""Server signals that a checker started."""
203
log.debug('Client %s started checker "%s"',
204
self.properties["Name"], command)
205
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
237
pass
238
206
239
def got_secret(self):
207
log.info("Client %s received its secret",
208
self.properties["Name"])
209
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
243
210
244
def need_approval(self, timeout, default):
211
245
if not default:
212
message = "Client %s needs approval within %f seconds"
246
message = u'Client %s needs approval within %s seconds'
213
247
else:
214
message = "Client %s will get its secret in %f seconds"
215
log.info(message, self.properties["Name"], timeout/1000)
216
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
217
253
def rejected(self, reason):
218
log.info("Client %s was rejected; reason: %s",
219
self.properties["Name"], reason)
220
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
256
221
257
def selectable(self):
222
258
"""Make this a "selectable" widget.
223
259
This overrides the method from urwid.FlowWidget."""
224
260
return True
225
226
def rows(self, maxcolrow, focus=False):
261
262
def rows(self, (maxcol,), focus=False):
227
263
"""How many rows this widget will occupy might depend on
228
264
whether we have focus or not.
229
265
This overrides the method from urwid.FlowWidget"""
230
return self.current_widget(focus).rows(maxcolrow, focus=focus)
231
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
267
232
268
def current_widget(self, focus=False):
233
269
if focus or self.opened:
234
270
return self._focus_widget
235
271
return self._widget
236
272
237
273
def update(self):
238
274
"Called when what is visible on the screen should be updated."
239
275
# How to add standout mode to a style
240
with_standout = {"normal": "standout",
241
"bold": "bold-standout",
242
"underline-blink":
243
"underline-blink-standout",
244
"bold-underline-blink":
245
"bold-underline-blink-standout",
246
}
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
}
247
283
248
284
# Rebuild focus and non-focus widgets using current properties
249
285
250
286
# Base part of a client. Name!
251
base = "{name}: ".format(name=self.properties["Name"])
252
if not self.properties["Enabled"]:
253
message = "DISABLED"
254
self.using_timer(False)
255
elif self.properties["ApprovalPending"]:
256
timeout = datetime.timedelta(
257
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"])
258
295
last_approval_request = isoformat_to_datetime(
259
self.properties["LastApprovalRequest"])
296
self.properties[u"LastApprovalRequest"])
260
297
if last_approval_request is not None:
261
timer = max(timeout - (datetime.datetime.utcnow()
262
- last_approval_request),
263
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
264
300
else:
265
301
timer = datetime.timedelta()
266
if self.properties["ApprovedByDefault"]:
267
message = "Approval in {}. (d)eny?"
268
else:
269
message = "Denial in {}. (a)pprove?"
270
message = message.format(str(timer).rsplit(".", 1)[0])
271
self.using_timer(True)
272
elif self.properties["LastCheckerStatus"] != 0:
273
# When checker has failed, show timer until client expires
274
expires = self.properties["Expires"]
275
if expires == "":
276
timer = datetime.timedelta(0)
277
else:
278
expires = (datetime.datetime.strptime
279
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
280
timer = max(expires - datetime.datetime.utcnow(),
281
datetime.timedelta())
282
message = ("A checker has failed! Time until client"
283
" gets disabled: {}"
284
.format(str(timer).rsplit(".", 1)[0]))
285
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])
286
319
else:
287
message = "enabled"
288
self.using_timer(False)
289
self._text = "{}{}".format(base, message)
290
320
message = u"enabled"
321
self._text = "%s%s" % (base, message)
322
291
323
if not urwid.supports_unicode():
292
324
self._text = self._text.encode("ascii", "replace")
293
textlist = [("normal", self._text)]
325
textlist = [(u"normal", self._text)]
294
326
self._text_widget.set_text(textlist)
295
327
self._focus_text_widget.set_text([(with_standout[text[0]],
296
328
text[1])
303
335
# Run update hook, if any
304
336
if self.update_hook is not None:
305
337
self.update_hook()
306
338
307
339
def update_timer(self):
308
"""called by GLib. Will indefinitely loop until
309
GLib.source_remove() on tag is called
310
"""
340
"called by gobject"
311
341
self.update()
312
342
return True # Keep calling this
313
314
def delete(self, **kwargs):
343
344
def delete(self):
315
345
if self._update_timer_callback_tag is not None:
316
GLib.source_remove(self._update_timer_callback_tag)
346
gobject.source_remove(self._update_timer_callback_tag)
317
347
self._update_timer_callback_tag = None
318
for match in self.match_objects:
319
match.remove()
320
self.match_objects = ()
321
348
if self.delete_hook is not None:
322
349
self.delete_hook(self)
323
return super(MandosClientWidget, self).delete(**kwargs)
324
325
def render(self, maxcolrow, focus=False):
350
351
def render(self, (maxcol,), focus=False):
326
352
"""Render differently if we have focus.
327
353
This overrides the method from urwid.FlowWidget"""
328
return self.current_widget(focus).render(maxcolrow,
354
return self.current_widget(focus).render((maxcol,),
329
355
focus=focus)
330
331
def keypress(self, maxcolrow, key):
356
357
def keypress(self, (maxcol,), key):
332
358
"""Handle keys.
333
359
This overrides the method from urwid.FlowWidget"""
334
if key == "+":
335
self.proxy.Set(client_interface, "Enabled",
336
dbus.Boolean(True), ignore_reply=True,
337
dbus_interface=dbus.PROPERTIES_IFACE)
338
elif key == "-":
339
self.proxy.Set(client_interface, "Enabled", False,
340
ignore_reply=True,
341
dbus_interface=dbus.PROPERTIES_IFACE)
342
elif key == "a":
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":
343
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
344
dbus_interface=client_interface,
345
ignore_reply=True)
346
elif key == "d":
366
dbus_interface = client_interface)
367
elif key == u"d":
347
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
348
dbus_interface=client_interface,
349
ignore_reply=True)
350
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":
351
371
self.server_proxy_object.RemoveClient(self.proxy
352
.object_path,
353
ignore_reply=True)
354
elif key == "s":
355
self.proxy.Set(client_interface, "CheckerRunning",
356
dbus.Boolean(True), ignore_reply=True,
357
dbus_interface=dbus.PROPERTIES_IFACE)
358
elif key == "S":
359
self.proxy.Set(client_interface, "CheckerRunning",
360
dbus.Boolean(False), ignore_reply=True,
361
dbus_interface=dbus.PROPERTIES_IFACE)
362
elif key == "C":
363
self.proxy.CheckedOK(dbus_interface=client_interface,
364
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)
365
379
# xxx
366
# elif key == "p" or key == "=":
380
# elif key == u"p" or key == "=":
367
381
# self.proxy.pause()
368
# elif key == "u" or key == ":":
382
# elif key == u"u" or key == ":":
369
383
# self.proxy.unpause()
370
# elif key == "RET":
384
# elif key == u"RET":
371
385
# self.open()
372
386
else:
373
387
return key
374
375
def properties_changed(self, interface, properties, invalidated):
376
"""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.
377
392
This overrides the method from MandosClientPropertyCache"""
378
old_values = {key: self.properties.get(key)
379
for key in properties.keys()}
380
super(MandosClientWidget, self).properties_changed(
381
interface, properties, invalidated)
382
if any(old_values[key] != self.properties.get(key)
383
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:
384
398
self.update()
385
399
386
400
387
def glib_safely(func, retval=True):
388
def safe_func(*args, **kwargs):
389
try:
390
return func(*args, **kwargs)
391
except Exception:
392
log.exception("")
393
return retval
394
return safe_func
395
396
397
401
class ConstrainedListBox(urwid.ListBox):
398
402
"""Like a normal urwid.ListBox, but will consume all "up" or
399
403
"down" key presses, thus not allowing any containing widgets to
400
404
use them as an excuse to shift focus away from this widget.
401
405
"""
402
def keypress(self, *args, **kwargs):
403
ret = (super(ConstrainedListBox, self)
404
.keypress(*args, **kwargs))
405
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"):
406
410
return
407
411
return ret
408
412
409
413
410
class UserInterface:
414
class UserInterface(object):
411
415
"""This is the entire user interface - the whole screen
412
416
with boxes, lists of client widgets, etc.
413
417
"""
414
418
def __init__(self, max_log_length=1000):
415
419
DBusGMainLoop(set_as_default=True)
416
420
417
421
self.screen = urwid.curses_display.Screen()
418
422
419
423
self.screen.register_palette((
420
("normal",
421
"default", "default", None),
422
("bold",
423
"bold", "default", "bold"),
424
("underline-blink",
425
"underline,blink", "default", "underline,blink"),
426
("standout",
427
"standout", "default", "standout"),
428
("bold-underline-blink",
429
"bold,underline,blink", "default",
430
"bold,underline,blink"),
431
("bold-standout",
432
"bold,standout", "default", "bold,standout"),
433
("underline-blink-standout",
434
"underline,blink,standout", "default",
435
"underline,blink,standout"),
436
("bold-underline-blink-standout",
437
"bold,underline,blink,standout", "default",
438
"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")),
439
441
))
440
442
441
443
if urwid.supports_unicode():
442
self.divider = "─" # \u2500
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
443
446
else:
444
self.divider = "_" # \u005f
445
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
449
446
450
self.screen.start()
447
451
448
452
self.size = self.screen.get_cols_rows()
449
453
450
454
self.clients = urwid.SimpleListWalker([])
451
455
self.clients_dict = {}
452
456
453
457
# We will add Text widgets to this list
454
self.log = urwid.SimpleListWalker([])
458
self.log = []
455
459
self.max_log_length = max_log_length
456
460
457
461
# We keep a reference to the log widget so we can remove it
458
462
# from the ListWalker without it getting destroyed
459
463
self.logbox = ConstrainedListBox(self.log)
460
464
461
465
# This keeps track of whether self.uilist currently has
462
466
# self.logbox in it or not
463
467
self.log_visible = True
464
self.log_wrap = "any"
465
466
self.loghandler = UILogHandler(self)
467
468
self.log_wrap = u"any"
469
468
470
self.rebuild()
469
self.add_log_line(("bold",
470
"Mandos Monitor version " + version))
471
self.add_log_line(("bold", "q: Quit ?: Help"))
472
473
self.busname = domain + ".Mandos"
474
self.main_loop = GLib.MainLoop()
475
476
def client_not_found(self, key_id, address):
477
log.info("Client with address %s and key ID %s could"
478
" not be found", address, key_id)
479
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
480
526
def rebuild(self):
481
527
"""This rebuilds the User Interface.
482
528
Call this when the widget layout needs to change"""
483
529
self.uilist = []
484
# self.uilist.append(urwid.ListBox(self.clients))
530
#self.uilist.append(urwid.ListBox(self.clients))
485
531
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
486
532
clients),
487
# header=urwid.Divider(),
533
#header=urwid.Divider(),
488
534
header=None,
489
footer=urwid.Divider(
490
div_char=self.divider)))
535
footer=
536
urwid.Divider(div_char=
537
self.divider)))
491
538
if self.log_visible:
492
539
self.uilist.append(self.logbox)
540
pass
493
541
self.topwidget = urwid.Pile(self.uilist)
494
495
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."""
496
549
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
497
if self.max_log_length:
498
if len(self.log) > self.max_log_length:
499
del self.log[0:(len(self.log) - self.max_log_length)]
500
self.logbox.set_focus(len(self.logbox.body.contents)-1,
501
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")
502
555
self.refresh()
503
556
504
557
def toggle_log_display(self):
505
558
"""Toggle visibility of the log buffer."""
506
559
self.log_visible = not self.log_visible
507
560
self.rebuild()
508
log.debug("Log visibility changed to: %s", self.log_visible)
509
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
563
510
564
def change_log_display(self):
511
565
"""Change type of log display.
512
566
Currently, this toggles wrapping of text lines."""
513
if self.log_wrap == "clip":
514
self.log_wrap = "any"
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
515
569
else:
516
self.log_wrap = "clip"
570
self.log_wrap = u"clip"
517
571
for textwidget in self.log:
518
572
textwidget.set_wrap_mode(self.log_wrap)
519
log.debug("Wrap mode: %s", self.log_wrap)
520
521
def find_and_remove_client(self, path, interfaces):
522
"""Find a client by its object path and remove it.
523
524
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
525
579
Mandos server object."""
526
if client_interface not in interfaces:
527
# Not a Mandos client object; ignore
528
return
529
580
try:
530
581
client = self.clients_dict[path]
531
582
except KeyError:
532
583
# not found?
533
log.warning("Unknown client %s removed", path)
534
return
535
client.delete()
536
537
def add_new_client(self, path, ifs_and_props):
538
"""Find a client by its object path and remove it.
539
540
This is connected to the InterfacesAdded signal from the
541
Mandos server object.
542
"""
543
if client_interface not in ifs_and_props:
544
# Not a Mandos client object; ignore
545
return
584
return
585
self.remove_client(client, path)
586
587
def add_new_client(self, path):
546
588
client_proxy_object = self.bus.get_object(self.busname, path)
547
self.add_client(MandosClientWidget(
548
server_proxy_object=self.mandos_serv,
549
proxy_object=client_proxy_object,
550
update_hook=self.refresh,
551
delete_hook=self.remove_client,
552
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),
553
599
path=path)
554
600
555
601
def add_client(self, client, path=None):
556
602
self.clients.append(client)
557
603
if path is None:
558
604
path = client.proxy.object_path
559
605
self.clients_dict[path] = client
560
self.clients.sort(key=lambda c: c.properties["Name"])
606
self.clients.sort(None, lambda c: c.properties[u"Name"])
561
607
self.refresh()
562
608
563
609
def remove_client(self, client, path=None):
564
610
self.clients.remove(client)
565
611
if path is None:
566
612
path = client.proxy.object_path
567
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()
568
619
self.refresh()
569
620
570
621
def refresh(self):
571
622
"""Redraw the screen"""
572
623
canvas = self.topwidget.render(self.size, focus=True)
573
624
self.screen.draw_screen(self.size, canvas)
574
625
575
626
def run(self):
576
627
"""Start the main loop and exit when it's done."""
577
log.addHandler(self.loghandler)
578
self.orig_log_propagate = log.propagate
579
log.propagate = False
580
self.orig_log_level = log.level
581
log.setLevel("INFO")
582
self.bus = dbus.SystemBus()
583
mandos_dbus_objc = self.bus.get_object(
584
self.busname, "/", follow_name_owner_changes=True)
585
self.mandos_serv = dbus.Interface(
586
mandos_dbus_objc, dbus_interface=server_interface)
587
try:
588
mandos_clients = (self.mandos_serv
589
.GetAllClientsWithProperties())
590
if not mandos_clients:
591
log.warning("Note: Server has no clients.")
592
except dbus.exceptions.DBusException:
593
log.warning("Note: No Mandos server running.")
594
mandos_clients = dbus.Dictionary()
595
596
(self.mandos_serv
597
.connect_to_signal("InterfacesRemoved",
598
self.find_and_remove_client,
599
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
600
byte_arrays=True))
601
(self.mandos_serv
602
.connect_to_signal("InterfacesAdded",
603
self.add_new_client,
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
byte_arrays=True))
606
(self.mandos_serv
607
.connect_to_signal("ClientNotFound",
608
self.client_not_found,
609
dbus_interface=server_interface,
610
byte_arrays=True))
611
for path, client in mandos_clients.items():
612
client_proxy_object = self.bus.get_object(self.busname,
613
path)
614
self.add_client(MandosClientWidget(
615
server_proxy_object=self.mandos_serv,
616
proxy_object=client_proxy_object,
617
properties=client,
618
update_hook=self.refresh,
619
delete_hook=self.remove_client),
620
path=path)
621
622
628
self.refresh()
623
self._input_callback_tag = (
624
GLib.io_add_watch(
625
GLib.IOChannel.unix_new(sys.stdin.fileno()),
626
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
627
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))
628
633
self.main_loop.run()
629
634
# Main loop has finished, we should close everything now
630
GLib.source_remove(self._input_callback_tag)
631
with warnings.catch_warnings():
632
warnings.simplefilter("ignore", BytesWarning)
633
self.screen.stop()
634
635
gobject.source_remove(self._input_callback_tag)
636
self.screen.stop()
637
635
638
def stop(self):
636
639
self.main_loop.quit()
637
log.removeHandler(self.loghandler)
638
log.propagate = self.orig_log_propagate
639
640
640
641
def process_input(self, source, condition):
641
642
keys = self.screen.get_input()
642
translations = {"ctrl n": "down", # Emacs
643
"ctrl p": "up", # Emacs
644
"ctrl v": "page down", # Emacs
645
"meta v": "page up", # Emacs
646
" ": "page down", # less
647
"f": "page down", # less
648
"b": "page up", # less
649
"j": "down", # vi
650
"k": "up", # vi
651
}
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
}
652
653
for key in keys:
653
654
try:
654
655
key = translations[key]
655
656
except KeyError: # :-)
656
657
pass
657
658
if key == "q" or key == "Q":
658
659
if key == u"q" or key == u"Q":
659
660
self.stop()
660
661
break
661
elif key == "window resize":
662
elif key == u"window resize":
662
663
self.size = self.screen.get_cols_rows()
663
664
self.refresh()
664
elif key == "ctrl l":
665
self.screen.clear()
665
elif key == u"\f": # Ctrl-L
666
666
self.refresh()
667
elif key == "l" or key == "D":
667
elif key == u"l" or key == u"D":
668
668
self.toggle_log_display()
669
669
self.refresh()
670
elif key == "w" or key == "i":
670
elif key == u"w" or key == u"i":
671
671
self.change_log_display()
672
672
self.refresh()
673
elif key == "?" or key == "f1" or key == "esc":
673
elif key == u"?" or key == u"f1" or key == u"esc":
674
674
if not self.log_visible:
675
675
self.log_visible = True
676
676
self.rebuild()
677
self.add_log_line(("bold",
678
" ".join(("q: Quit",
679
"?: Help",
680
"l: Log window toggle",
681
"TAB: Switch window",
682
"w: Wrap (log lines)",
683
"v: Toggle verbose log",
684
))))
685
self.add_log_line(("bold",
686
" ".join(("Clients:",
687
"+: Enable",
688
"-: Disable",
689
"R: Remove",
690
"s: Start new checker",
691
"S: Stop checker",
692
"C: Checker OK",
693
"a: Approve",
694
"d: Deny",
695
))))
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"))))
696
695
self.refresh()
697
elif key == "tab":
696
elif key == u"tab":
698
697
if self.topwidget.get_focus() is self.logbox:
699
698
self.topwidget.set_focus(0)
700
699
else:
701
700
self.topwidget.set_focus(self.logbox)
702
701
self.refresh()
703
elif key == "v":
704
if log.level < logging.INFO:
705
log.setLevel(logging.INFO)
706
log.info("Verbose mode: Off")
707
else:
708
log.setLevel(logging.NOTSET)
709
log.info("Verbose mode: On")
710
# elif (key == "end" or key == "meta >" or key == "G"
711
# or key == ">"):
712
# pass # xxx end-of-buffer
713
# elif (key == "home" or key == "meta <" or key == "g"
714
# or key == "<"):
715
# pass # xxx beginning-of-buffer
716
# elif key == "ctrl e" or key == "$":
717
# pass # xxx move-end-of-line
718
# elif key == "ctrl a" or key == "^":
719
# pass # xxx move-beginning-of-line
720
# elif key == "ctrl b" or key == "meta (" or key == "h":
721
# pass # xxx left
722
# elif key == "ctrl f" or key == "meta )" or key == "l":
723
# pass # xxx right
724
# elif key == "a":
725
# pass # scroll up log
726
# elif key == "z":
727
# pass # scroll down log
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
703
# or key == u">"):
704
# pass # xxx end-of-buffer
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
706
# or key == u"<"):
707
# pass # xxx beginning-of-buffer
708
#elif key == u"ctrl e" or key == u"$":
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
728
720
elif self.topwidget.selectable():
729
721
self.topwidget.keypress(self.size, key)
730
722
self.refresh()
731
723
return True
732
724
733
734
class UILogHandler(logging.Handler):
735
def __init__(self, ui, *args, **kwargs):
736
self.ui = ui
737
super(UILogHandler, self).__init__(*args, **kwargs)
738
self.setFormatter(
739
logging.Formatter("%(asctime)s: %(message)s"))
740
def emit(self, record):
741
msg = self.format(record)
742
if record.levelno > logging.INFO:
743
msg = ("bold", msg)
744
self.ui.add_log_line(msg)
745
746
747
725
ui = UserInterface()
748
726
try:
749
727
ui.run()
750
728
except KeyboardInterrupt:
751
with warnings.catch_warnings():
752
warnings.filterwarnings("ignore", "", BytesWarning)
753
ui.screen.stop()
754
except Exception:
755
with warnings.catch_warnings():
756
warnings.filterwarnings("ignore", "", BytesWarning)
757
ui.screen.stop()
729
ui.screen.stop()
730
except Exception, e:
731
ui.log_message(unicode(e))
732
ui.screen.stop()
758
733
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0