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- Committer: teddy at bsnet
- Date: 2011-02-11 18:54:14 UTC
- mto: This revision was merged to the branch mainline in revision 465.
- Revision ID: teddy@fukt.bsnet.se-20110211185414-cjmw3hppv9i3h9wh
* mandos-monitor: Use only unicode string literals.
(MandosClientWidget.rows, MandosClientWidget.render,
MandosClientWidget.keypress, ConstrainedListBox.keypress) Don't use
argument
tuple
unpacking.
(MandosClientWidget.rows, MandosClientWidget.render,
MandosClientWidget.keypress, ConstrainedListBox.keypress) Don't use
argument
tuple
unpacking.
- 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
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2
# -*- mode: python; coding: utf-8 -*-
3
#
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
#
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# Copyright © 2009-2019 Teddy Hogeborn
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# Copyright © 2009-2019 Björn Påhlsson
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#
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# This file is part of Mandos.
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#
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# Mandos is free software: you can redistribute it and/or modify it
12
# under the terms of the GNU General Public License as published by
5
#
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# Copyright © 2009,2010 Teddy Hogeborn
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# Copyright © 2009,2010 Björn Påhlsson
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#
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# 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
#
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# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
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
#
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# Contact the authors at <mandos@recompile.se>.
25
#
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from __future__ import (division, absolute_import, print_function,
27
unicode_literals)
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# 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
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import locale
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32
41
33
import urwid.curses_display
42
34
import urwid
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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
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logging.captureWarnings(True) # Show warnings via the logging system
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64
locale.setlocale(locale.LC_ALL, "")
65
66
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
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import UserList
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43
import locale
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locale.setlocale(locale.LC_ALL, u'')
46
47
import logging
48
logging.getLogger(u'dbus.proxies').setLevel(logging.CRITICAL)
67
49
68
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# Some useful constants
69
domain = "se.recompile"
70
server_interface = domain + ".Mandos"
71
client_interface = domain + ".Mandos.Client"
72
version = "1.8.16"
73
74
try:
75
dbus.OBJECT_MANAGER_IFACE
76
except AttributeError:
77
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
78
51
domain = u'se.bsnet.fukt'
52
server_interface = domain + u'.Mandos'
53
client_interface = domain + u'.Mandos.Client'
54
version = u"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 |= (
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urwid.curses_display.curses.A_BLINK)
79
63
80
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def isoformat_to_datetime(iso):
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65
"Parse an ISO 8601 date string to a datetime.datetime()"
82
66
if not iso:
83
67
return None
84
d, t = iso.split("T", 1)
85
year, month, day = d.split("-", 2)
86
hour, minute, second = t.split(":", 2)
68
d, t = iso.split(u"T", 1)
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year, month, day = d.split(u"-", 2)
70
hour, minute, second = t.split(u":", 2)
87
71
second, fraction = divmod(float(second), 1)
88
72
return datetime.datetime(int(year),
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73
int(month),
90
74
int(day),
91
75
int(hour),
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76
int(minute),
93
int(second), # Whole seconds
94
int(fraction*1000000)) # Microseconds
95
96
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class MandosClientPropertyCache:
77
int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
79
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class MandosClientPropertyCache(object):
98
81
"""This wraps a Mandos Client D-Bus proxy object, caches the
99
82
properties and calls a hook function when any of them are
100
83
changed.
101
84
"""
102
def __init__(self, proxy_object=None, properties=None, **kwargs):
103
self.proxy = proxy_object # Mandos Client proxy object
104
self.properties = dict() if properties is None else properties
105
self.property_changed_match = (
106
self.proxy.connect_to_signal("PropertiesChanged",
107
self.properties_changed,
108
dbus.PROPERTIES_IFACE,
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byte_arrays=True))
110
111
if properties is None:
112
self.properties.update(self.proxy.GetAll(
113
client_interface,
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dbus_interface=dbus.PROPERTIES_IFACE))
115
116
super(MandosClientPropertyCache, self).__init__(**kwargs)
117
118
def properties_changed(self, interface, properties, invalidated):
119
"""This is called whenever we get a PropertiesChanged signal
120
It updates the changed properties in the "properties" dict.
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.
121
105
"""
122
106
# Update properties dict with new value
123
if interface == client_interface:
124
self.properties.update(properties)
125
126
def delete(self):
127
self.property_changed_match.remove()
107
self.properties[property] = value
128
108
129
109
130
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
131
111
"""A Mandos Client which is visible on the screen.
132
112
"""
133
113
134
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def __init__(self, server_proxy_object=None, update_hook=None,
135
delete_hook=None, **kwargs):
115
delete_hook=None, logger=None, *args, **kwargs):
136
116
# Called on update
137
117
self.update_hook = update_hook
138
118
# Called on delete
139
119
self.delete_hook = delete_hook
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# Mandos Server proxy object
141
121
self.server_proxy_object = server_proxy_object
142
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# Logger
123
self.logger = logger
124
143
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self._update_timer_callback_tag = None
144
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
128
145
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# The widget shown normally
146
self._text_widget = urwid.Text("")
130
self._text_widget = urwid.Text(u"")
147
131
# The widget shown when we have focus
148
self._focus_text_widget = urwid.Text("")
149
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)
150
136
self.update()
151
137
self.opened = False
152
153
self.match_objects = (
154
self.proxy.connect_to_signal("CheckerCompleted",
155
self.checker_completed,
156
client_interface,
157
byte_arrays=True),
158
self.proxy.connect_to_signal("CheckerStarted",
159
self.checker_started,
160
client_interface,
161
byte_arrays=True),
162
self.proxy.connect_to_signal("GotSecret",
163
self.got_secret,
164
client_interface,
165
byte_arrays=True),
166
self.proxy.connect_to_signal("NeedApproval",
167
self.need_approval,
168
client_interface,
169
byte_arrays=True),
170
self.proxy.connect_to_signal("Rejected",
171
self.rejected,
172
client_interface,
173
byte_arrays=True))
174
log.debug("Created client %s", self.properties["Name"])
175
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
176
184
def using_timer(self, flag):
177
185
"""Call this method with True or False when timer should be
178
186
activated or deactivated.
179
187
"""
180
if flag and self._update_timer_callback_tag is None:
181
# Will update the shown timer value every second
182
self._update_timer_callback_tag = (
183
GLib.timeout_add(1000,
184
glib_safely(self.update_timer)))
185
elif not (flag or self._update_timer_callback_tag is None):
186
GLib.source_remove(self._update_timer_callback_tag)
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)
187
199
self._update_timer_callback_tag = None
188
200
189
201
def checker_completed(self, exitstatus, condition, command):
190
202
if exitstatus == 0:
191
log.debug('Checker for client %s (command "%s")'
192
" 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))
193
209
self.update()
194
210
return
195
211
# Checker failed
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
196
215
if os.WIFEXITED(condition):
197
log.info('Checker for client %s (command "%s") failed'
198
" with exit code %d", self.properties["Name"],
199
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)))
200
220
elif os.WIFSIGNALED(condition):
201
log.info('Checker for client %s (command "%s") was'
202
" killed by signal %d", self.properties["Name"],
203
command, os.WTERMSIG(condition))
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')
204
232
self.update()
205
233
206
234
def checker_started(self, command):
207
"""Server signals that a checker started."""
208
log.debug('Client %s started checker "%s"',
209
self.properties["Name"], command)
210
235
#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
237
pass
238
211
239
def got_secret(self):
212
log.info("Client %s received its secret",
213
self.properties["Name"])
214
240
self.last_checker_failed = False
241
self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
243
215
244
def need_approval(self, timeout, default):
216
245
if not default:
217
message = "Client %s needs approval within %f seconds"
246
message = u'Client %s needs approval within %s seconds'
218
247
else:
219
message = "Client %s will get its secret in %f seconds"
220
log.info(message, self.properties["Name"], timeout/1000)
221
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
222
253
def rejected(self, reason):
223
log.info("Client %s was rejected; reason: %s",
224
self.properties["Name"], reason)
225
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
256
226
257
def selectable(self):
227
258
"""Make this a "selectable" widget.
228
259
This overrides the method from urwid.FlowWidget."""
229
260
return True
230
261
231
262
def rows(self, maxcolrow, focus=False):
232
263
"""How many rows this widget will occupy might depend on
233
264
whether we have focus or not.
234
265
This overrides the method from urwid.FlowWidget"""
235
266
return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
267
237
268
def current_widget(self, focus=False):
238
269
if focus or self.opened:
239
270
return self._focus_widget
240
271
return self._widget
241
272
242
273
def update(self):
243
274
"Called when what is visible on the screen should be updated."
244
275
# How to add standout mode to a style
245
with_standout = {"normal": "standout",
246
"bold": "bold-standout",
247
"underline-blink":
248
"underline-blink-standout",
249
"bold-underline-blink":
250
"bold-underline-blink-standout",
251
}
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
}
252
283
253
284
# Rebuild focus and non-focus widgets using current properties
254
285
255
286
# Base part of a client. Name!
256
base = "{name}: ".format(name=self.properties["Name"])
257
if not self.properties["Enabled"]:
258
message = "DISABLED"
259
self.using_timer(False)
260
elif self.properties["ApprovalPending"]:
261
timeout = datetime.timedelta(
262
milliseconds=self.properties["ApprovalDelay"])
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"])
263
295
last_approval_request = isoformat_to_datetime(
264
self.properties["LastApprovalRequest"])
296
self.properties[u"LastApprovalRequest"])
265
297
if last_approval_request is not None:
266
timer = max(timeout - (datetime.datetime.utcnow()
267
- last_approval_request),
268
datetime.timedelta())
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
269
300
else:
270
301
timer = datetime.timedelta()
271
if self.properties["ApprovedByDefault"]:
272
message = "Approval in {}. (d)eny?"
273
else:
274
message = "Denial in {}. (a)pprove?"
275
message = message.format(str(timer).rsplit(".", 1)[0])
276
self.using_timer(True)
277
elif self.properties["LastCheckerStatus"] != 0:
278
# When checker has failed, show timer until client expires
279
expires = self.properties["Expires"]
280
if expires == "":
281
timer = datetime.timedelta(0)
282
else:
283
expires = (datetime.datetime.strptime
284
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
285
timer = max(expires - datetime.datetime.utcnow(),
286
datetime.timedelta())
287
message = ("A checker has failed! Time until client"
288
" gets disabled: {}"
289
.format(str(timer).rsplit(".", 1)[0]))
290
self.using_timer(True)
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])
291
319
else:
292
message = "enabled"
293
self.using_timer(False)
294
self._text = "{}{}".format(base, message)
295
320
message = u"enabled"
321
self._text = u"%s%s" % (base, message)
322
296
323
if not urwid.supports_unicode():
297
self._text = self._text.encode("ascii", "replace")
298
textlist = [("normal", self._text)]
324
self._text = self._text.encode(u"ascii", u"replace")
325
textlist = [(u"normal", self._text)]
299
326
self._text_widget.set_text(textlist)
300
327
self._focus_text_widget.set_text([(with_standout[text[0]],
301
328
text[1])
304
331
for text in textlist])
305
332
self._widget = self._text_widget
306
333
self._focus_widget = urwid.AttrWrap(self._focus_text_widget,
307
"standout")
334
u"standout")
308
335
# Run update hook, if any
309
336
if self.update_hook is not None:
310
337
self.update_hook()
311
338
312
339
def update_timer(self):
313
"""called by GLib. Will indefinitely loop until
314
GLib.source_remove() on tag is called
315
"""
340
"called by gobject"
316
341
self.update()
317
342
return True # Keep calling this
318
319
def delete(self, **kwargs):
343
344
def delete(self):
320
345
if self._update_timer_callback_tag is not None:
321
GLib.source_remove(self._update_timer_callback_tag)
346
gobject.source_remove(self._update_timer_callback_tag)
322
347
self._update_timer_callback_tag = None
323
for match in self.match_objects:
324
match.remove()
325
self.match_objects = ()
326
348
if self.delete_hook is not None:
327
349
self.delete_hook(self)
328
return super(MandosClientWidget, self).delete(**kwargs)
329
350
330
351
def render(self, maxcolrow, focus=False):
331
352
"""Render differently if we have focus.
332
353
This overrides the method from urwid.FlowWidget"""
333
354
return self.current_widget(focus).render(maxcolrow,
334
355
focus=focus)
335
356
336
357
def keypress(self, maxcolrow, key):
337
358
"""Handle keys.
338
359
This overrides the method from urwid.FlowWidget"""
339
if key == "+":
340
self.proxy.Set(client_interface, "Enabled",
341
dbus.Boolean(True), ignore_reply=True,
342
dbus_interface=dbus.PROPERTIES_IFACE)
343
elif key == "-":
344
self.proxy.Set(client_interface, "Enabled", False,
345
ignore_reply=True,
346
dbus_interface=dbus.PROPERTIES_IFACE)
347
elif key == "a":
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":
348
365
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
349
dbus_interface=client_interface,
350
ignore_reply=True)
351
elif key == "d":
366
dbus_interface = client_interface)
367
elif key == u"d":
352
368
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
353
dbus_interface=client_interface,
354
ignore_reply=True)
355
elif key == "R" or key == "_" or key == "ctrl k":
369
dbus_interface = client_interface)
370
elif key == u"R" or key == u"_" or key == u"ctrl k":
356
371
self.server_proxy_object.RemoveClient(self.proxy
357
.object_path,
358
ignore_reply=True)
359
elif key == "s":
360
self.proxy.Set(client_interface, "CheckerRunning",
361
dbus.Boolean(True), ignore_reply=True,
362
dbus_interface=dbus.PROPERTIES_IFACE)
363
elif key == "S":
364
self.proxy.Set(client_interface, "CheckerRunning",
365
dbus.Boolean(False), ignore_reply=True,
366
dbus_interface=dbus.PROPERTIES_IFACE)
367
elif key == "C":
368
self.proxy.CheckedOK(dbus_interface=client_interface,
369
ignore_reply=True)
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)
370
379
# xxx
371
# elif key == "p" or key == "=":
380
# elif key == u"p" or key == "=":
372
381
# self.proxy.pause()
373
# elif key == "u" or key == ":":
382
# elif key == u"u" or key == ":":
374
383
# self.proxy.unpause()
375
# elif key == "RET":
384
# elif key == u"RET":
376
385
# self.open()
377
386
else:
378
387
return key
379
380
def properties_changed(self, interface, properties, invalidated):
381
"""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.
382
392
This overrides the method from MandosClientPropertyCache"""
383
old_values = {key: self.properties.get(key)
384
for key in properties.keys()}
385
super(MandosClientWidget, self).properties_changed(
386
interface, properties, invalidated)
387
if any(old_values[key] != self.properties.get(key)
388
for key in old_values):
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:
389
398
self.update()
390
399
391
400
392
def glib_safely(func, retval=True):
393
def safe_func(*args, **kwargs):
394
try:
395
return func(*args, **kwargs)
396
except Exception:
397
log.exception("")
398
return retval
399
return safe_func
400
401
402
401
class ConstrainedListBox(urwid.ListBox):
403
402
"""Like a normal urwid.ListBox, but will consume all "up" or
404
403
"down" key presses, thus not allowing any containing widgets to
405
404
use them as an excuse to shift focus away from this widget.
406
405
"""
407
def keypress(self, *args, **kwargs):
408
ret = (super(ConstrainedListBox, self)
409
.keypress(*args, **kwargs))
410
if ret in ("up", "down"):
406
def keypress(self, maxcolrow, key):
407
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
408
if ret in (u"up", u"down"):
411
409
return
412
410
return ret
413
411
414
412
415
class UserInterface:
413
class UserInterface(object):
416
414
"""This is the entire user interface - the whole screen
417
415
with boxes, lists of client widgets, etc.
418
416
"""
419
417
def __init__(self, max_log_length=1000):
420
418
DBusGMainLoop(set_as_default=True)
421
419
422
420
self.screen = urwid.curses_display.Screen()
423
421
424
422
self.screen.register_palette((
425
("normal",
426
"default", "default", None),
427
("bold",
428
"bold", "default", "bold"),
429
("underline-blink",
430
"underline,blink", "default", "underline,blink"),
431
("standout",
432
"standout", "default", "standout"),
433
("bold-underline-blink",
434
"bold,underline,blink", "default",
435
"bold,underline,blink"),
436
("bold-standout",
437
"bold,standout", "default", "bold,standout"),
438
("underline-blink-standout",
439
"underline,blink,standout", "default",
440
"underline,blink,standout"),
441
("bold-underline-blink-standout",
442
"bold,underline,blink,standout", "default",
443
"bold,underline,blink,standout"),
423
(u"normal",
424
u"default", u"default", None),
425
(u"bold",
426
u"default", u"default", u"bold"),
427
(u"underline-blink",
428
u"default", u"default", u"underline"),
429
(u"standout",
430
u"default", u"default", u"standout"),
431
(u"bold-underline-blink",
432
u"default", u"default", (u"bold", u"underline")),
433
(u"bold-standout",
434
u"default", u"default", (u"bold", u"standout")),
435
(u"underline-blink-standout",
436
u"default", u"default", (u"underline", u"standout")),
437
(u"bold-underline-blink-standout",
438
u"default", u"default", (u"bold", u"underline",
439
u"standout")),
444
440
))
445
441
446
442
if urwid.supports_unicode():
447
self.divider = "─" # \u2500
443
self.divider = u"─" # \u2500
444
#self.divider = u"━" # \u2501
448
445
else:
449
self.divider = "_" # \u005f
450
446
#self.divider = u"-" # \u002d
447
self.divider = u"_" # \u005f
448
451
449
self.screen.start()
452
450
453
451
self.size = self.screen.get_cols_rows()
454
452
455
453
self.clients = urwid.SimpleListWalker([])
456
454
self.clients_dict = {}
457
455
458
456
# We will add Text widgets to this list
459
self.log = urwid.SimpleListWalker([])
457
self.log = []
460
458
self.max_log_length = max_log_length
461
459
462
460
# We keep a reference to the log widget so we can remove it
463
461
# from the ListWalker without it getting destroyed
464
462
self.logbox = ConstrainedListBox(self.log)
465
463
466
464
# This keeps track of whether self.uilist currently has
467
465
# self.logbox in it or not
468
466
self.log_visible = True
469
self.log_wrap = "any"
470
471
self.loghandler = UILogHandler(self)
472
467
self.log_wrap = u"any"
468
473
469
self.rebuild()
474
self.add_log_line(("bold",
475
"Mandos Monitor version " + version))
476
self.add_log_line(("bold", "q: Quit ?: Help"))
477
478
self.busname = domain + ".Mandos"
479
self.main_loop = GLib.MainLoop()
480
481
def client_not_found(self, key_id, address):
482
log.info("Client with address %s and key ID %s could"
483
" not be found", address, key_id)
484
470
self.log_message_raw((u"bold",
471
u"Mandos Monitor version " + version))
472
self.log_message_raw((u"bold",
473
u"q: Quit ?: Help"))
474
475
self.busname = domain + '.Mandos'
476
self.main_loop = gobject.MainLoop()
477
self.bus = dbus.SystemBus()
478
mandos_dbus_objc = self.bus.get_object(
479
self.busname, u"/", follow_name_owner_changes=True)
480
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
481
dbus_interface
482
= server_interface)
483
try:
484
mandos_clients = (self.mandos_serv
485
.GetAllClientsWithProperties())
486
except dbus.exceptions.DBusException:
487
mandos_clients = dbus.Dictionary()
488
489
(self.mandos_serv
490
.connect_to_signal(u"ClientRemoved",
491
self.find_and_remove_client,
492
dbus_interface=server_interface,
493
byte_arrays=True))
494
(self.mandos_serv
495
.connect_to_signal(u"ClientAdded",
496
self.add_new_client,
497
dbus_interface=server_interface,
498
byte_arrays=True))
499
(self.mandos_serv
500
.connect_to_signal(u"ClientNotFound",
501
self.client_not_found,
502
dbus_interface=server_interface,
503
byte_arrays=True))
504
for path, client in mandos_clients.iteritems():
505
client_proxy_object = self.bus.get_object(self.busname,
506
path)
507
self.add_client(MandosClientWidget(server_proxy_object
508
=self.mandos_serv,
509
proxy_object
510
=client_proxy_object,
511
properties=client,
512
update_hook
513
=self.refresh,
514
delete_hook
515
=self.remove_client,
516
logger
517
=self.log_message),
518
path=path)
519
520
def client_not_found(self, fingerprint, address):
521
self.log_message((u"Client with address %s and fingerprint %s"
522
u" could not be found" % (address,
523
fingerprint)))
524
485
525
def rebuild(self):
486
526
"""This rebuilds the User Interface.
487
527
Call this when the widget layout needs to change"""
488
528
self.uilist = []
489
# self.uilist.append(urwid.ListBox(self.clients))
529
#self.uilist.append(urwid.ListBox(self.clients))
490
530
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
491
531
clients),
492
# header=urwid.Divider(),
532
#header=urwid.Divider(),
493
533
header=None,
494
footer=urwid.Divider(
495
div_char=self.divider)))
534
footer=
535
urwid.Divider(div_char=
536
self.divider)))
496
537
if self.log_visible:
497
538
self.uilist.append(self.logbox)
539
pass
498
540
self.topwidget = urwid.Pile(self.uilist)
499
500
def add_log_line(self, markup):
541
542
def log_message(self, message):
543
timestamp = datetime.datetime.now().isoformat()
544
self.log_message_raw(timestamp + u": " + message)
545
546
def log_message_raw(self, markup):
547
"""Add a log message to the log buffer."""
501
548
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
if self.max_log_length:
503
if len(self.log) > self.max_log_length:
504
del self.log[0:(len(self.log) - self.max_log_length)]
505
self.logbox.set_focus(len(self.logbox.body.contents)-1,
506
coming_from="above")
549
if (self.max_log_length
550
and len(self.log) > self.max_log_length):
551
del self.log[0:len(self.log)-self.max_log_length-1]
552
self.logbox.set_focus(len(self.logbox.body.contents),
553
coming_from=u"above")
507
554
self.refresh()
508
555
509
556
def toggle_log_display(self):
510
557
"""Toggle visibility of the log buffer."""
511
558
self.log_visible = not self.log_visible
512
559
self.rebuild()
513
log.debug("Log visibility changed to: %s", self.log_visible)
514
560
#self.log_message(u"Log visibility changed to: "
561
# + unicode(self.log_visible))
562
515
563
def change_log_display(self):
516
564
"""Change type of log display.
517
565
Currently, this toggles wrapping of text lines."""
518
if self.log_wrap == "clip":
519
self.log_wrap = "any"
566
if self.log_wrap == u"clip":
567
self.log_wrap = u"any"
520
568
else:
521
self.log_wrap = "clip"
569
self.log_wrap = u"clip"
522
570
for textwidget in self.log:
523
571
textwidget.set_wrap_mode(self.log_wrap)
524
log.debug("Wrap mode: %s", self.log_wrap)
525
526
def find_and_remove_client(self, path, interfaces):
527
"""Find a client by its object path and remove it.
528
529
This is connected to the InterfacesRemoved signal from the
572
#self.log_message(u"Wrap mode: " + self.log_wrap)
573
574
def find_and_remove_client(self, path, name):
575
"""Find an client from its object path and remove it.
576
577
This is connected to the ClientRemoved signal from the
530
578
Mandos server object."""
531
if client_interface not in interfaces:
532
# Not a Mandos client object; ignore
533
return
534
579
try:
535
580
client = self.clients_dict[path]
536
581
except KeyError:
537
582
# not found?
538
log.warning("Unknown client %s removed", path)
539
return
540
client.delete()
541
542
def add_new_client(self, path, ifs_and_props):
543
"""Find a client by its object path and remove it.
544
545
This is connected to the InterfacesAdded signal from the
546
Mandos server object.
547
"""
548
if client_interface not in ifs_and_props:
549
# Not a Mandos client object; ignore
550
return
583
return
584
self.remove_client(client, path)
585
586
def add_new_client(self, path):
551
587
client_proxy_object = self.bus.get_object(self.busname, path)
552
self.add_client(MandosClientWidget(
553
server_proxy_object=self.mandos_serv,
554
proxy_object=client_proxy_object,
555
update_hook=self.refresh,
556
delete_hook=self.remove_client,
557
properties=dict(ifs_and_props[client_interface])),
588
self.add_client(MandosClientWidget(server_proxy_object
589
=self.mandos_serv,
590
proxy_object
591
=client_proxy_object,
592
update_hook
593
=self.refresh,
594
delete_hook
595
=self.remove_client,
596
logger
597
=self.log_message),
558
598
path=path)
559
599
560
600
def add_client(self, client, path=None):
561
601
self.clients.append(client)
562
602
if path is None:
563
603
path = client.proxy.object_path
564
604
self.clients_dict[path] = client
565
self.clients.sort(key=lambda c: c.properties["Name"])
605
self.clients.sort(None, lambda c: c.properties[u"Name"])
566
606
self.refresh()
567
607
568
608
def remove_client(self, client, path=None):
569
609
self.clients.remove(client)
570
610
if path is None:
571
611
path = client.proxy.object_path
572
612
del self.clients_dict[path]
613
if not self.clients_dict:
614
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
615
# is completely emptied, we need to recreate it.
616
self.clients = urwid.SimpleListWalker([])
617
self.rebuild()
573
618
self.refresh()
574
619
575
620
def refresh(self):
576
621
"""Redraw the screen"""
577
622
canvas = self.topwidget.render(self.size, focus=True)
578
623
self.screen.draw_screen(self.size, canvas)
579
624
580
625
def run(self):
581
626
"""Start the main loop and exit when it's done."""
582
log.addHandler(self.loghandler)
583
self.orig_log_propagate = log.propagate
584
log.propagate = False
585
self.orig_log_level = log.level
586
log.setLevel("INFO")
587
self.bus = dbus.SystemBus()
588
mandos_dbus_objc = self.bus.get_object(
589
self.busname, "/", follow_name_owner_changes=True)
590
self.mandos_serv = dbus.Interface(
591
mandos_dbus_objc, dbus_interface=server_interface)
592
try:
593
mandos_clients = (self.mandos_serv
594
.GetAllClientsWithProperties())
595
if not mandos_clients:
596
log.warning("Note: Server has no clients.")
597
except dbus.exceptions.DBusException:
598
log.warning("Note: No Mandos server running.")
599
mandos_clients = dbus.Dictionary()
600
601
(self.mandos_serv
602
.connect_to_signal("InterfacesRemoved",
603
self.find_and_remove_client,
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
byte_arrays=True))
606
(self.mandos_serv
607
.connect_to_signal("InterfacesAdded",
608
self.add_new_client,
609
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
610
byte_arrays=True))
611
(self.mandos_serv
612
.connect_to_signal("ClientNotFound",
613
self.client_not_found,
614
dbus_interface=server_interface,
615
byte_arrays=True))
616
for path, client in mandos_clients.items():
617
client_proxy_object = self.bus.get_object(self.busname,
618
path)
619
self.add_client(MandosClientWidget(
620
server_proxy_object=self.mandos_serv,
621
proxy_object=client_proxy_object,
622
properties=client,
623
update_hook=self.refresh,
624
delete_hook=self.remove_client),
625
path=path)
626
627
627
self.refresh()
628
self._input_callback_tag = (
629
GLib.io_add_watch(
630
GLib.IOChannel.unix_new(sys.stdin.fileno()),
631
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
632
glib_safely(self.process_input)))
628
self._input_callback_tag = (gobject.io_add_watch
629
(sys.stdin.fileno(),
630
gobject.IO_IN,
631
self.process_input))
633
632
self.main_loop.run()
634
633
# Main loop has finished, we should close everything now
635
GLib.source_remove(self._input_callback_tag)
636
with warnings.catch_warnings():
637
warnings.simplefilter("ignore", BytesWarning)
638
self.screen.stop()
639
634
gobject.source_remove(self._input_callback_tag)
635
self.screen.stop()
636
640
637
def stop(self):
641
638
self.main_loop.quit()
642
log.removeHandler(self.loghandler)
643
log.propagate = self.orig_log_propagate
644
639
645
640
def process_input(self, source, condition):
646
641
keys = self.screen.get_input()
647
translations = {"ctrl n": "down", # Emacs
648
"ctrl p": "up", # Emacs
649
"ctrl v": "page down", # Emacs
650
"meta v": "page up", # Emacs
651
" ": "page down", # less
652
"f": "page down", # less
653
"b": "page up", # less
654
"j": "down", # vi
655
"k": "up", # vi
656
}
642
translations = { u"ctrl n": u"down", # Emacs
643
u"ctrl p": u"up", # Emacs
644
u"ctrl v": u"page down", # Emacs
645
u"meta v": u"page up", # Emacs
646
u" ": u"page down", # less
647
u"f": u"page down", # less
648
u"b": u"page up", # less
649
u"j": u"down", # vi
650
u"k": u"up", # vi
651
}
657
652
for key in keys:
658
653
try:
659
654
key = translations[key]
660
655
except KeyError: # :-)
661
656
pass
662
663
if key == "q" or key == "Q":
657
658
if key == u"q" or key == u"Q":
664
659
self.stop()
665
660
break
666
elif key == "window resize":
661
elif key == u"window resize":
667
662
self.size = self.screen.get_cols_rows()
668
663
self.refresh()
669
elif key == "ctrl l":
670
self.screen.clear()
664
elif key == u"\f": # Ctrl-L
671
665
self.refresh()
672
elif key == "l" or key == "D":
666
elif key == u"l" or key == u"D":
673
667
self.toggle_log_display()
674
668
self.refresh()
675
elif key == "w" or key == "i":
669
elif key == u"w" or key == u"i":
676
670
self.change_log_display()
677
671
self.refresh()
678
elif key == "?" or key == "f1" or key == "esc":
672
elif key == u"?" or key == u"f1" or key == u"esc":
679
673
if not self.log_visible:
680
674
self.log_visible = True
681
675
self.rebuild()
682
self.add_log_line(("bold",
683
" ".join(("q: Quit",
684
"?: Help",
685
"l: Log window toggle",
686
"TAB: Switch window",
687
"w: Wrap (log lines)",
688
"v: Toggle verbose log",
689
))))
690
self.add_log_line(("bold",
691
" ".join(("Clients:",
692
"+: Enable",
693
"-: Disable",
694
"R: Remove",
695
"s: Start new checker",
696
"S: Stop checker",
697
"C: Checker OK",
698
"a: Approve",
699
"d: Deny",
700
))))
676
self.log_message_raw((u"bold",
677
u" ".
678
join((u"q: Quit",
679
u"?: Help",
680
u"l: Log window toggle",
681
u"TAB: Switch window",
682
u"w: Wrap (log)"))))
683
self.log_message_raw((u"bold",
684
u" "
685
.join((u"Clients:",
686
u"+: Enable",
687
u"-: Disable",
688
u"R: Remove",
689
u"s: Start new checker",
690
u"S: Stop checker",
691
u"C: Checker OK",
692
u"a: Approve",
693
u"d: Deny"))))
701
694
self.refresh()
702
elif key == "tab":
695
elif key == u"tab":
703
696
if self.topwidget.get_focus() is self.logbox:
704
697
self.topwidget.set_focus(0)
705
698
else:
706
699
self.topwidget.set_focus(self.logbox)
707
700
self.refresh()
708
elif key == "v":
709
if log.level < logging.INFO:
710
log.setLevel(logging.INFO)
711
log.info("Verbose mode: Off")
712
else:
713
log.setLevel(logging.NOTSET)
714
log.info("Verbose mode: On")
715
# elif (key == "end" or key == "meta >" or key == "G"
716
# or key == ">"):
717
# pass # xxx end-of-buffer
718
# elif (key == "home" or key == "meta <" or key == "g"
719
# or key == "<"):
720
# pass # xxx beginning-of-buffer
721
# elif key == "ctrl e" or key == "$":
722
# pass # xxx move-end-of-line
723
# elif key == "ctrl a" or key == "^":
724
# pass # xxx move-beginning-of-line
725
# elif key == "ctrl b" or key == "meta (" or key == "h":
726
# pass # xxx left
727
# elif key == "ctrl f" or key == "meta )" or key == "l":
728
# pass # xxx right
729
# elif key == "a":
730
# pass # scroll up log
731
# elif key == "z":
732
# pass # scroll down log
701
#elif (key == u"end" or key == u"meta >" or key == u"G"
702
# or key == u">"):
703
# pass # xxx end-of-buffer
704
#elif (key == u"home" or key == u"meta <" or key == u"g"
705
# or key == u"<"):
706
# pass # xxx beginning-of-buffer
707
#elif key == u"ctrl e" or key == u"$":
708
# pass # xxx move-end-of-line
709
#elif key == u"ctrl a" or key == u"^":
710
# pass # xxx move-beginning-of-line
711
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
712
# pass # xxx left
713
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
714
# pass # xxx right
715
#elif key == u"a":
716
# pass # scroll up log
717
#elif key == u"z":
718
# pass # scroll down log
733
719
elif self.topwidget.selectable():
734
720
self.topwidget.keypress(self.size, key)
735
721
self.refresh()
736
722
return True
737
723
738
739
class UILogHandler(logging.Handler):
740
def __init__(self, ui, *args, **kwargs):
741
self.ui = ui
742
super(UILogHandler, self).__init__(*args, **kwargs)
743
self.setFormatter(
744
logging.Formatter("%(asctime)s: %(message)s"))
745
def emit(self, record):
746
msg = self.format(record)
747
if record.levelno > logging.INFO:
748
msg = ("bold", msg)
749
self.ui.add_log_line(msg)
750
751
752
724
ui = UserInterface()
753
725
try:
754
726
ui.run()
755
727
except KeyboardInterrupt:
756
with warnings.catch_warnings():
757
warnings.filterwarnings("ignore", "", BytesWarning)
758
ui.screen.stop()
759
except Exception:
760
with warnings.catch_warnings():
761
warnings.filterwarnings("ignore", "", BytesWarning)
762
ui.screen.stop()
728
ui.screen.stop()
729
except Exception, e:
730
ui.log_message(unicode(e))
731
ui.screen.stop()
763
732
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0