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 1192
- compare with another revision
- download diff
- download tarball
- view history from revision 1192
- Committer: teddy at recompile
- Date: 2019-12-04 23:46:59 UTC
- Revision ID: teddy@recompile.se-20191204234659-m4u7bxnjrns6d3fc
Simplification of Python 3 compatibility code
Apply previously-made change in mandos and mandos-ctl also to
mandos-monitor.
* mandos-monitor: Set "__metaclass__ = type" globally for Python 2,
and remove inheriting from "object" in all places possible.
Apply previously-made change in mandos and mandos-ctl also to
mandos-monitor.
* mandos-monitor: Set "__metaclass__ = type" globally for Python 2,
and remove inheriting from "object" in all places possible.
- files added:
- bugs.xml
- debian/source
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files removed:
- initramfs-tools-hook-conf
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python
1
#!/usr/bin/python3 -bbI
2
2
# -*- mode: python; coding: utf-8 -*-
3
#
4
# Mandos Monitor - Control and monitor the Mandos server
5
#
6
# Copyright © 2009-2019 Teddy Hogeborn
7
# Copyright © 2009-2019 Björn Påhlsson
8
#
9
# This file is part of Mandos.
10
#
11
# Mandos is free software: you can redistribute it and/or modify it
12
# under the terms of the GNU General Public License as published by
13
# the Free Software Foundation, either version 3 of the License, or
14
# (at your option) any later version.
15
#
16
# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
18
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
# GNU General Public License for more details.
20
#
21
# You should have received a copy of the GNU General Public License
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
23
#
24
# Contact the authors at <mandos@recompile.se>.
25
#
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
import warnings
10
37
import datetime
38
import locale
39
import logging
11
40
12
41
import urwid.curses_display
13
42
import urwid
14
43
15
44
from dbus.mainloop.glib import DBusGMainLoop
16
import gobject
45
from gi.repository import GLib
17
46
18
47
import dbus
19
48
20
import UserList
21
22
import locale
23
24
locale.setlocale(locale.LC_ALL, u'')
25
26
import logging
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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)
28
62
29
63
# Some useful constants
30
domain = 'se.bsnet.fukt'
31
server_interface = domain + '.Mandos'
32
client_interface = domain + '.Mandos.Client'
33
version = "1.0.15"
34
35
# Always run in monochrome mode
36
urwid.curses_display.curses.has_colors = lambda : False
37
38
# Urwid doesn't support blinking, but we want it. Since we have no
39
# use for underline on its own, we make underline also always blink.
40
urwid.curses_display.curses.A_UNDERLINE |= (
41
urwid.curses_display.curses.A_BLINK)
64
domain = "se.recompile"
65
server_interface = domain + ".Mandos"
66
client_interface = domain + ".Mandos.Client"
67
version = "1.8.9"
68
69
try:
70
dbus.OBJECT_MANAGER_IFACE
71
except AttributeError:
72
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
73
42
74
43
75
def isoformat_to_datetime(iso):
44
76
"Parse an ISO 8601 date string to a datetime.datetime()"
45
77
if not iso:
46
78
return None
47
d, t = iso.split(u"T", 1)
48
year, month, day = d.split(u"-", 2)
49
hour, minute, second = t.split(u":", 2)
79
d, t = iso.split("T", 1)
80
year, month, day = d.split("-", 2)
81
hour, minute, second = t.split(":", 2)
50
82
second, fraction = divmod(float(second), 1)
51
83
return datetime.datetime(int(year),
52
84
int(month),
53
85
int(day),
54
86
int(hour),
55
87
int(minute),
56
int(second), # Whole seconds
57
int(fraction*1000000)) # Microseconds
58
59
class MandosClientPropertyCache(object):
88
int(second), # Whole seconds
89
int(fraction*1000000)) # Microseconds
90
91
92
class MandosClientPropertyCache:
60
93
"""This wraps a Mandos Client D-Bus proxy object, caches the
61
94
properties and calls a hook function when any of them are
62
95
changed.
63
96
"""
64
def __init__(self, proxy_object=None, *args, **kwargs):
65
self.proxy = proxy_object # Mandos Client proxy object
66
67
self.properties = dict()
68
self.proxy.connect_to_signal(u"PropertyChanged",
69
self.property_changed,
70
client_interface,
71
byte_arrays=True)
72
73
self.properties.update(
74
self.proxy.GetAll(client_interface,
75
dbus_interface = dbus.PROPERTIES_IFACE))
76
77
#XXX This break good super behaviour!
78
# super(MandosClientPropertyCache, self).__init__(
79
# *args, **kwargs)
80
81
def property_changed(self, property=None, value=None):
82
"""This is called whenever we get a PropertyChanged signal
83
It updates the changed property in the "properties" dict.
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.
84
116
"""
85
117
# Update properties dict with new value
86
self.properties[property] = value
118
if interface == client_interface:
119
self.properties.update(properties)
120
121
def delete(self):
122
self.property_changed_match.remove()
87
123
88
124
89
125
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
90
126
"""A Mandos Client which is visible on the screen.
91
127
"""
92
128
93
129
def __init__(self, server_proxy_object=None, update_hook=None,
94
delete_hook=None, logger=None, *args, **kwargs):
130
delete_hook=None, **kwargs):
95
131
# Called on update
96
132
self.update_hook = update_hook
97
133
# Called on delete
98
134
self.delete_hook = delete_hook
99
135
# Mandos Server proxy object
100
136
self.server_proxy_object = server_proxy_object
101
# Logger
102
self.logger = logger
103
137
104
138
self._update_timer_callback_tag = None
105
self.last_checker_failed = False
106
139
107
140
# The widget shown normally
108
self._text_widget = urwid.Text(u"")
141
self._text_widget = urwid.Text("")
109
142
# The widget shown when we have focus
110
self._focus_text_widget = urwid.Text(u"")
111
super(MandosClientWidget, self).__init__(
112
update_hook=update_hook, delete_hook=delete_hook,
113
*args, **kwargs)
143
self._focus_text_widget = urwid.Text("")
144
super(MandosClientWidget, self).__init__(**kwargs)
114
145
self.update()
115
146
self.opened = False
116
self.proxy.connect_to_signal(u"CheckerCompleted",
117
self.checker_completed,
118
client_interface,
119
byte_arrays=True)
120
self.proxy.connect_to_signal(u"CheckerStarted",
121
self.checker_started,
122
client_interface,
123
byte_arrays=True)
124
self.proxy.connect_to_signal(u"GotSecret",
125
self.got_secret,
126
client_interface,
127
byte_arrays=True)
128
self.proxy.connect_to_signal(u"NeedApproval",
129
self.need_approval,
130
client_interface,
131
byte_arrays=True)
132
self.proxy.connect_to_signal(u"Rejected",
133
self.rejected,
134
client_interface,
135
byte_arrays=True)
136
last_checked_ok = isoformat_to_datetime(self.properties
137
[u"LastCheckedOK"])
138
if last_checked_ok is None:
139
self.last_checker_failed = True
140
else:
141
self.last_checker_failed = ((datetime.datetime.utcnow()
142
- last_checked_ok)
143
> datetime.timedelta
144
(milliseconds=
145
self.properties
146
[u"Interval"]))
147
if self.last_checker_failed:
148
self._update_timer_callback_tag = (gobject.timeout_add
149
(1000,
150
self.update_timer))
151
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
171
def using_timer(self, flag):
172
"""Call this method with True or False when timer should be
173
activated or deactivated.
174
"""
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)
182
self._update_timer_callback_tag = None
183
152
184
def checker_completed(self, exitstatus, condition, command):
153
185
if exitstatus == 0:
154
if self.last_checker_failed:
155
self.last_checker_failed = False
156
gobject.source_remove(self._update_timer_callback_tag)
157
self._update_timer_callback_tag = None
158
#self.logger(u'Checker for client %s (command "%s")'
159
# u' was successful'
160
# % (self.properties[u"Name"], command))
186
log.debug('Checker for client %s (command "%s")'
187
" succeeded", self.properties["Name"], command)
161
188
self.update()
162
189
return
163
190
# Checker failed
164
if not self.last_checker_failed:
165
self.last_checker_failed = True
166
self._update_timer_callback_tag = (gobject.timeout_add
167
(1000,
168
self.update_timer))
169
191
if os.WIFEXITED(condition):
170
self.logger(u'Checker for client %s (command "%s")'
171
u' failed with exit code %s'
172
% (self.properties[u"Name"], command,
173
os.WEXITSTATUS(condition)))
192
log.info('Checker for client %s (command "%s") failed'
193
" with exit code %d", self.properties["Name"],
194
command, os.WEXITSTATUS(condition))
174
195
elif os.WIFSIGNALED(condition):
175
self.logger(u'Checker for client %s (command "%s")'
176
u' was killed by signal %s'
177
% (self.properties[u"Name"], command,
178
os.WTERMSIG(condition)))
179
elif os.WCOREDUMP(condition):
180
self.logger(u'Checker for client %s (command "%s")'
181
u' dumped core'
182
% (self.properties[u"Name"], command))
183
else:
184
self.logger(u'Checker for client %s completed'
185
u' mysteriously')
196
log.info('Checker for client %s (command "%s") was'
197
" killed by signal %d", self.properties["Name"],
198
command, os.WTERMSIG(condition))
186
199
self.update()
187
200
188
201
def checker_started(self, command):
189
#self.logger(u'Client %s started checker "%s"'
190
# % (self.properties[u"Name"], unicode(command)))
191
pass
192
202
"""Server signals that a checker started."""
203
log.debug('Client %s started checker "%s"',
204
self.properties["Name"], command)
205
193
206
def got_secret(self):
194
self.last_checker_failed = False
195
self.logger(u'Client %s received its secret'
196
% self.properties[u"Name"])
197
207
log.info("Client %s received its secret",
208
self.properties["Name"])
209
198
210
def need_approval(self, timeout, default):
199
211
if not default:
200
message = u'Client %s needs approval within %s seconds'
212
message = "Client %s needs approval within %f seconds"
201
213
else:
202
message = u'Client %s will get its secret in %s seconds'
203
self.logger(message
204
% (self.properties[u"Name"], timeout/1000))
205
214
message = "Client %s will get its secret in %f seconds"
215
log.info(message, self.properties["Name"], timeout/1000)
216
206
217
def rejected(self, reason):
207
self.logger(u'Client %s was rejected; reason: %s'
208
% (self.properties[u"Name"], reason))
209
218
log.info("Client %s was rejected; reason: %s",
219
self.properties["Name"], reason)
220
210
221
def selectable(self):
211
222
"""Make this a "selectable" widget.
212
223
This overrides the method from urwid.FlowWidget."""
213
224
return True
214
215
def rows(self, (maxcol,), focus=False):
225
226
def rows(self, maxcolrow, focus=False):
216
227
"""How many rows this widget will occupy might depend on
217
228
whether we have focus or not.
218
229
This overrides the method from urwid.FlowWidget"""
219
return self.current_widget(focus).rows((maxcol,), focus=focus)
220
230
return self.current_widget(focus).rows(maxcolrow, focus=focus)
231
221
232
def current_widget(self, focus=False):
222
233
if focus or self.opened:
223
234
return self._focus_widget
224
235
return self._widget
225
236
226
237
def update(self):
227
238
"Called when what is visible on the screen should be updated."
228
239
# How to add standout mode to a style
229
with_standout = { u"normal": u"standout",
230
u"bold": u"bold-standout",
231
u"underline-blink":
232
u"underline-blink-standout",
233
u"bold-underline-blink":
234
u"bold-underline-blink-standout",
235
}
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
}
236
247
237
248
# Rebuild focus and non-focus widgets using current properties
238
249
239
250
# Base part of a client. Name!
240
base = (u'%(name)s: '
241
% {u"name": self.properties[u"Name"]})
242
if not self.properties[u"Enabled"]:
243
message = u"DISABLED"
244
elif self.properties[u"ApprovalPending"]:
245
if self.properties[u"ApprovedByDefault"]:
246
message = u"Connection established to client. (d)eny?"
247
else:
248
message = u"Seeks approval to send secret. (a)pprove?"
249
elif self.last_checker_failed:
250
timeout = datetime.timedelta(milliseconds
251
= self.properties
252
[u"Timeout"])
253
last_ok = isoformat_to_datetime(
254
max((self.properties[u"LastCheckedOK"]
255
or self.properties[u"Created"]),
256
self.properties[u"LastEnabled"]))
257
timer = timeout - (datetime.datetime.utcnow() - last_ok)
258
message = (u'A checker has failed! Time until client'
259
u' gets diabled: %s'
260
% unicode(timer).rsplit(".", 1)[0])
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"])
258
last_approval_request = isoformat_to_datetime(
259
self.properties["LastApprovalRequest"])
260
if last_approval_request is not None:
261
timer = max(timeout - (datetime.datetime.utcnow()
262
- last_approval_request),
263
datetime.timedelta())
264
else:
265
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)
261
286
else:
262
message = u"enabled"
263
self._text = "%s%s" % (base, message)
264
287
message = "enabled"
288
self.using_timer(False)
289
self._text = "{}{}".format(base, message)
290
265
291
if not urwid.supports_unicode():
266
292
self._text = self._text.encode("ascii", "replace")
267
textlist = [(u"normal", self._text)]
293
textlist = [("normal", self._text)]
268
294
self._text_widget.set_text(textlist)
269
295
self._focus_text_widget.set_text([(with_standout[text[0]],
270
296
text[1])
277
303
# Run update hook, if any
278
304
if self.update_hook is not None:
279
305
self.update_hook()
280
306
281
307
def update_timer(self):
282
"called by gobject"
308
"""called by GLib. Will indefinitely loop until
309
GLib.source_remove() on tag is called
310
"""
283
311
self.update()
284
312
return True # Keep calling this
285
286
def delete(self):
313
314
def delete(self, **kwargs):
287
315
if self._update_timer_callback_tag is not None:
288
gobject.source_remove(self._update_timer_callback_tag)
316
GLib.source_remove(self._update_timer_callback_tag)
289
317
self._update_timer_callback_tag = None
318
for match in self.match_objects:
319
match.remove()
320
self.match_objects = ()
290
321
if self.delete_hook is not None:
291
322
self.delete_hook(self)
292
293
def render(self, (maxcol,), focus=False):
323
return super(MandosClientWidget, self).delete(**kwargs)
324
325
def render(self, maxcolrow, focus=False):
294
326
"""Render differently if we have focus.
295
327
This overrides the method from urwid.FlowWidget"""
296
return self.current_widget(focus).render((maxcol,),
328
return self.current_widget(focus).render(maxcolrow,
297
329
focus=focus)
298
299
def keypress(self, (maxcol,), key):
330
331
def keypress(self, maxcolrow, key):
300
332
"""Handle keys.
301
333
This overrides the method from urwid.FlowWidget"""
302
if key == u"+":
303
self.proxy.Enable(dbus_interface = client_interface)
304
elif key == u"-":
305
self.proxy.Disable(dbus_interface = client_interface)
306
elif key == u"a":
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":
307
343
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
308
dbus_interface = client_interface)
309
elif key == u"d":
344
dbus_interface=client_interface,
345
ignore_reply=True)
346
elif key == "d":
310
347
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
311
dbus_interface = client_interface)
312
elif key == u"r" or key == u"_" or key == u"ctrl k":
348
dbus_interface=client_interface,
349
ignore_reply=True)
350
elif key == "R" or key == "_" or key == "ctrl k":
313
351
self.server_proxy_object.RemoveClient(self.proxy
314
.object_path)
315
elif key == u"s":
316
self.proxy.StartChecker(dbus_interface = client_interface)
317
elif key == u"S":
318
self.proxy.StopChecker(dbus_interface = client_interface)
319
elif key == u"C":
320
self.proxy.CheckedOK(dbus_interface = client_interface)
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)
321
365
# xxx
322
# elif key == u"p" or key == "=":
366
# elif key == "p" or key == "=":
323
367
# self.proxy.pause()
324
# elif key == u"u" or key == ":":
368
# elif key == "u" or key == ":":
325
369
# self.proxy.unpause()
326
# elif key == u"RET":
370
# elif key == "RET":
327
371
# self.open()
328
372
else:
329
373
return key
330
331
def property_changed(self, property=None, value=None,
332
*args, **kwargs):
333
"""Call self.update() if old value is not new value.
374
375
def properties_changed(self, interface, properties, invalidated):
376
"""Call self.update() if any properties changed.
334
377
This overrides the method from MandosClientPropertyCache"""
335
property_name = unicode(property)
336
old_value = self.properties.get(property_name)
337
super(MandosClientWidget, self).property_changed(
338
property=property, value=value, *args, **kwargs)
339
if self.properties.get(property_name) != old_value:
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):
340
384
self.update()
341
385
342
386
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
343
397
class ConstrainedListBox(urwid.ListBox):
344
398
"""Like a normal urwid.ListBox, but will consume all "up" or
345
399
"down" key presses, thus not allowing any containing widgets to
346
400
use them as an excuse to shift focus away from this widget.
347
401
"""
348
def keypress(self, (maxcol, maxrow), key):
349
ret = super(ConstrainedListBox, self).keypress((maxcol,
350
maxrow), key)
351
if ret in (u"up", u"down"):
402
def keypress(self, *args, **kwargs):
403
ret = (super(ConstrainedListBox, self)
404
.keypress(*args, **kwargs))
405
if ret in ("up", "down"):
352
406
return
353
407
return ret
354
408
355
409
356
class UserInterface(object):
410
class UserInterface:
357
411
"""This is the entire user interface - the whole screen
358
412
with boxes, lists of client widgets, etc.
359
413
"""
360
414
def __init__(self, max_log_length=1000):
361
415
DBusGMainLoop(set_as_default=True)
362
416
363
417
self.screen = urwid.curses_display.Screen()
364
418
365
419
self.screen.register_palette((
366
(u"normal",
367
u"default", u"default", None),
368
(u"bold",
369
u"default", u"default", u"bold"),
370
(u"underline-blink",
371
u"default", u"default", u"underline"),
372
(u"standout",
373
u"default", u"default", u"standout"),
374
(u"bold-underline-blink",
375
u"default", u"default", (u"bold", u"underline")),
376
(u"bold-standout",
377
u"default", u"default", (u"bold", u"standout")),
378
(u"underline-blink-standout",
379
u"default", u"default", (u"underline", u"standout")),
380
(u"bold-underline-blink-standout",
381
u"default", u"default", (u"bold", u"underline",
382
u"standout")),
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"),
383
439
))
384
440
385
441
if urwid.supports_unicode():
386
self.divider = u"─" # \u2500
387
#self.divider = u"━" # \u2501
442
self.divider = "─" # \u2500
388
443
else:
389
#self.divider = u"-" # \u002d
390
self.divider = u"_" # \u005f
391
444
self.divider = "_" # \u005f
445
392
446
self.screen.start()
393
447
394
448
self.size = self.screen.get_cols_rows()
395
449
396
450
self.clients = urwid.SimpleListWalker([])
397
451
self.clients_dict = {}
398
452
399
453
# We will add Text widgets to this list
400
self.log = []
454
self.log = urwid.SimpleListWalker([])
401
455
self.max_log_length = max_log_length
402
456
403
457
# We keep a reference to the log widget so we can remove it
404
458
# from the ListWalker without it getting destroyed
405
459
self.logbox = ConstrainedListBox(self.log)
406
460
407
461
# This keeps track of whether self.uilist currently has
408
462
# self.logbox in it or not
409
463
self.log_visible = True
410
self.log_wrap = u"any"
411
464
self.log_wrap = "any"
465
466
self.loghandler = UILogHandler(self)
467
412
468
self.rebuild()
413
self.log_message_raw((u"bold",
414
u"Mandos Monitor version " + version))
415
self.log_message_raw((u"bold",
416
u"q: Quit ?: Help"))
417
418
self.busname = domain + '.Mandos'
419
self.main_loop = gobject.MainLoop()
420
self.bus = dbus.SystemBus()
421
mandos_dbus_objc = self.bus.get_object(
422
self.busname, u"/", follow_name_owner_changes=True)
423
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
424
dbus_interface
425
= server_interface)
426
try:
427
mandos_clients = (self.mandos_serv
428
.GetAllClientsWithProperties())
429
except dbus.exceptions.DBusException:
430
mandos_clients = dbus.Dictionary()
431
432
(self.mandos_serv
433
.connect_to_signal(u"ClientRemoved",
434
self.find_and_remove_client,
435
dbus_interface=server_interface,
436
byte_arrays=True))
437
(self.mandos_serv
438
.connect_to_signal(u"ClientAdded",
439
self.add_new_client,
440
dbus_interface=server_interface,
441
byte_arrays=True))
442
(self.mandos_serv
443
.connect_to_signal(u"ClientNotFound",
444
self.client_not_found,
445
dbus_interface=server_interface,
446
byte_arrays=True))
447
for path, client in mandos_clients.iteritems():
448
client_proxy_object = self.bus.get_object(self.busname,
449
path)
450
self.add_client(MandosClientWidget(server_proxy_object
451
=self.mandos_serv,
452
proxy_object
453
=client_proxy_object,
454
properties=client,
455
update_hook
456
=self.refresh,
457
delete_hook
458
=self.remove_client,
459
logger
460
=self.log_message),
461
path=path)
462
463
def client_not_found(self, fingerprint, address):
464
self.log_message((u"Client with address %s and fingerprint %s"
465
u" could not be found" % (address,
466
fingerprint)))
467
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
468
480
def rebuild(self):
469
481
"""This rebuilds the User Interface.
470
482
Call this when the widget layout needs to change"""
471
483
self.uilist = []
472
#self.uilist.append(urwid.ListBox(self.clients))
484
# self.uilist.append(urwid.ListBox(self.clients))
473
485
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
474
486
clients),
475
#header=urwid.Divider(),
487
# header=urwid.Divider(),
476
488
header=None,
477
footer=
478
urwid.Divider(div_char=
479
self.divider)))
489
footer=urwid.Divider(
490
div_char=self.divider)))
480
491
if self.log_visible:
481
492
self.uilist.append(self.logbox)
482
pass
483
493
self.topwidget = urwid.Pile(self.uilist)
484
485
def log_message(self, message):
486
timestamp = datetime.datetime.now().isoformat()
487
self.log_message_raw(timestamp + u": " + message)
488
489
def log_message_raw(self, markup):
490
"""Add a log message to the log buffer."""
494
495
def add_log_line(self, markup):
491
496
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
492
if (self.max_log_length
493
and len(self.log) > self.max_log_length):
494
del self.log[0:len(self.log)-self.max_log_length-1]
495
self.logbox.set_focus(len(self.logbox.body.contents),
496
coming_from=u"above")
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")
497
502
self.refresh()
498
503
499
504
def toggle_log_display(self):
500
505
"""Toggle visibility of the log buffer."""
501
506
self.log_visible = not self.log_visible
502
507
self.rebuild()
503
#self.log_message(u"Log visibility changed to: "
504
# + unicode(self.log_visible))
505
508
log.debug("Log visibility changed to: %s", self.log_visible)
509
506
510
def change_log_display(self):
507
511
"""Change type of log display.
508
512
Currently, this toggles wrapping of text lines."""
509
if self.log_wrap == u"clip":
510
self.log_wrap = u"any"
513
if self.log_wrap == "clip":
514
self.log_wrap = "any"
511
515
else:
512
self.log_wrap = u"clip"
516
self.log_wrap = "clip"
513
517
for textwidget in self.log:
514
518
textwidget.set_wrap_mode(self.log_wrap)
515
#self.log_message(u"Wrap mode: " + self.log_wrap)
516
517
def find_and_remove_client(self, path, name):
518
"""Find an client from its object path and remove it.
519
520
This is connected to the ClientRemoved signal from the
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
521
525
Mandos server object."""
526
if client_interface not in interfaces:
527
# Not a Mandos client object; ignore
528
return
522
529
try:
523
530
client = self.clients_dict[path]
524
531
except KeyError:
525
532
# not found?
526
return
527
self.remove_client(client, path)
528
529
def add_new_client(self, path):
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
530
546
client_proxy_object = self.bus.get_object(self.busname, path)
531
self.add_client(MandosClientWidget(server_proxy_object
532
=self.mandos_serv,
533
proxy_object
534
=client_proxy_object,
535
update_hook
536
=self.refresh,
537
delete_hook
538
=self.remove_client,
539
logger
540
=self.log_message),
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])),
541
553
path=path)
542
554
543
555
def add_client(self, client, path=None):
544
556
self.clients.append(client)
545
557
if path is None:
546
558
path = client.proxy.object_path
547
559
self.clients_dict[path] = client
548
self.clients.sort(None, lambda c: c.properties[u"Name"])
560
self.clients.sort(key=lambda c: c.properties["Name"])
549
561
self.refresh()
550
562
551
563
def remove_client(self, client, path=None):
552
564
self.clients.remove(client)
553
565
if path is None:
554
566
path = client.proxy.object_path
555
567
del self.clients_dict[path]
556
if not self.clients_dict:
557
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
558
# is completely emptied, we need to recreate it.
559
self.clients = urwid.SimpleListWalker([])
560
self.rebuild()
561
568
self.refresh()
562
569
563
570
def refresh(self):
564
571
"""Redraw the screen"""
565
572
canvas = self.topwidget.render(self.size, focus=True)
566
573
self.screen.draw_screen(self.size, canvas)
567
574
568
575
def run(self):
569
576
"""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
570
622
self.refresh()
571
self._input_callback_tag = (gobject.io_add_watch
572
(sys.stdin.fileno(),
573
gobject.IO_IN,
574
self.process_input))
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)))
575
628
self.main_loop.run()
576
629
# Main loop has finished, we should close everything now
577
gobject.source_remove(self._input_callback_tag)
578
self.screen.stop()
579
630
GLib.source_remove(self._input_callback_tag)
631
with warnings.catch_warnings():
632
warnings.simplefilter("ignore", BytesWarning)
633
self.screen.stop()
634
580
635
def stop(self):
581
636
self.main_loop.quit()
582
637
log.removeHandler(self.loghandler)
638
log.propagate = self.orig_log_propagate
639
583
640
def process_input(self, source, condition):
584
641
keys = self.screen.get_input()
585
translations = { u"ctrl n": u"down", # Emacs
586
u"ctrl p": u"up", # Emacs
587
u"ctrl v": u"page down", # Emacs
588
u"meta v": u"page up", # Emacs
589
u" ": u"page down", # less
590
u"f": u"page down", # less
591
u"b": u"page up", # less
592
u"j": u"down", # vi
593
u"k": u"up", # vi
594
}
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
}
595
652
for key in keys:
596
653
try:
597
654
key = translations[key]
598
655
except KeyError: # :-)
599
656
pass
600
601
if key == u"q" or key == u"Q":
657
658
if key == "q" or key == "Q":
602
659
self.stop()
603
660
break
604
elif key == u"window resize":
661
elif key == "window resize":
605
662
self.size = self.screen.get_cols_rows()
606
663
self.refresh()
607
elif key == u"\f": # Ctrl-L
664
elif key == "ctrl l":
665
self.screen.clear()
608
666
self.refresh()
609
elif key == u"l" or key == u"D":
667
elif key == "l" or key == "D":
610
668
self.toggle_log_display()
611
669
self.refresh()
612
elif key == u"w" or key == u"i":
670
elif key == "w" or key == "i":
613
671
self.change_log_display()
614
672
self.refresh()
615
elif key == u"?" or key == u"f1" or key == u"esc":
673
elif key == "?" or key == "f1" or key == "esc":
616
674
if not self.log_visible:
617
675
self.log_visible = True
618
676
self.rebuild()
619
self.log_message_raw((u"bold",
620
u" ".
621
join((u"q: Quit",
622
u"?: Help",
623
u"l: Log window toggle",
624
u"TAB: Switch window",
625
u"w: Wrap (log)"))))
626
self.log_message_raw((u"bold",
627
u" "
628
.join((u"Clients:",
629
u"+: Enable",
630
u"-: Disable",
631
u"r: Remove",
632
u"s: Start new checker",
633
u"S: Stop checker",
634
u"C: Checker OK",
635
u"a: Approve",
636
u"d: Deny"))))
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
))))
637
696
self.refresh()
638
elif key == u"tab":
697
elif key == "tab":
639
698
if self.topwidget.get_focus() is self.logbox:
640
699
self.topwidget.set_focus(0)
641
700
else:
642
701
self.topwidget.set_focus(self.logbox)
643
702
self.refresh()
644
#elif (key == u"end" or key == u"meta >" or key == u"G"
645
# or key == u">"):
646
# pass # xxx end-of-buffer
647
#elif (key == u"home" or key == u"meta <" or key == u"g"
648
# or key == u"<"):
649
# pass # xxx beginning-of-buffer
650
#elif key == u"ctrl e" or key == u"$":
651
# pass # xxx move-end-of-line
652
#elif key == u"ctrl a" or key == u"^":
653
# pass # xxx move-beginning-of-line
654
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
655
# pass # xxx left
656
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
657
# pass # xxx right
658
#elif key == u"a":
659
# pass # scroll up log
660
#elif key == u"z":
661
# pass # scroll down log
703
elif key == "v":
704
if log.level < logging.INFO:
705
log.setLevel(logging.INFO)
706
log.info("Verbose mode: Off")
707
else:
708
log.setLevel(logging.NOTSET)
709
log.info("Verbose mode: On")
710
# elif (key == "end" or key == "meta >" or key == "G"
711
# or key == ">"):
712
# pass # xxx end-of-buffer
713
# elif (key == "home" or key == "meta <" or key == "g"
714
# or key == "<"):
715
# pass # xxx beginning-of-buffer
716
# elif key == "ctrl e" or key == "$":
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
662
728
elif self.topwidget.selectable():
663
729
self.topwidget.keypress(self.size, key)
664
730
self.refresh()
665
731
return True
666
732
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
667
747
ui = UserInterface()
668
748
try:
669
749
ui.run()
670
750
except KeyboardInterrupt:
671
ui.screen.stop()
672
except Exception, e:
673
ui.log_message(unicode(e))
674
ui.screen.stop()
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()
675
758
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0