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- Committer: teddy at recompile
- Date: 2020-04-08 19:15:13 UTC
- mfrom: (399 release)
- mto: This revision was merged to the branch mainline in revision 400.
- Revision ID: teddy@recompile.se-20200408191513-n0ke303478rw1g0b
Merge from release branch
- 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
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#
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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
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Mandos is distributed in the hope that it will be useful, but
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# 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.
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#
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# You should have received a copy of the GNU General Public License
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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#
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# Contact the authors at <mandos@recompile.se>.
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#
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
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35
import os
8
import signal
9
36
import warnings
10
37
import datetime
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import locale
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import logging
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40
12
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import urwid.curses_display
13
42
import urwid
14
43
15
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from dbus.mainloop.glib import DBusGMainLoop
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import gobject
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from gi.repository import GLib
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46
18
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import dbus
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48
20
import UserList
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22
import locale
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locale.setlocale(locale.LC_ALL, u'')
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26
import logging
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
49
if sys.version_info.major == 2:
50
__metaclass__ = type
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str = unicode
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log = logging.getLogger(os.path.basename(sys.argv[0]))
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logging.basicConfig(level="NOTSET", # Show all messages
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format="%(message)s") # Show basic log messages
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57
logging.captureWarnings(True) # Show warnings via the logging system
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59
locale.setlocale(locale.LC_ALL, "")
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
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62
29
63
# Some useful constants
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domain = 'se.bsnet.fukt'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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version = "1.0.15"
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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"
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client_interface = domain + ".Mandos.Client"
67
version = "1.8.11"
68
69
try:
70
dbus.OBJECT_MANAGER_IFACE
71
except AttributeError:
72
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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42
74
43
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def isoformat_to_datetime(iso):
44
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"Parse an ISO 8601 date string to a datetime.datetime()"
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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)
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d, t = iso.split("T", 1)
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year, month, day = d.split("-", 2)
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hour, minute, second = t.split(":", 2)
50
82
second, fraction = divmod(float(second), 1)
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83
return datetime.datetime(int(year),
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84
int(month),
53
85
int(day),
54
86
int(hour),
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int(minute),
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
58
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class MandosClientPropertyCache(object):
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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class MandosClientPropertyCache:
60
93
"""This wraps a Mandos Client D-Bus proxy object, caches the
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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()
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self.proxy.connect_to_signal(u"PropertyChanged",
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self.property_changed,
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client_interface,
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byte_arrays=True)
72
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self.properties.update(
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self.proxy.GetAll(client_interface,
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dbus_interface = dbus.PROPERTIES_IFACE))
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#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",
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self.properties_changed,
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dbus.PROPERTIES_IFACE,
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byte_arrays=True))
105
106
if properties is None:
107
self.properties.update(self.proxy.GetAll(
108
client_interface,
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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.
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127
"""
92
128
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def __init__(self, server_proxy_object=None, update_hook=None,
94
delete_hook=None, logger=None, *args, **kwargs):
130
delete_hook=None, **kwargs):
95
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# 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
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self.server_proxy_object = server_proxy_object
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# Logger
102
self.logger = logger
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137
104
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self._update_timer_callback_tag = None
105
self.last_checker_failed = False
106
139
107
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# 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,
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client_interface,
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byte_arrays=True)
120
self.proxy.connect_to_signal(u"CheckerStarted",
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self.checker_started,
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client_interface,
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byte_arrays=True)
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self.proxy.connect_to_signal(u"GotSecret",
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self.got_secret,
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client_interface,
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byte_arrays=True)
128
self.proxy.connect_to_signal(u"NeedApproval",
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self.need_approval,
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client_interface,
131
byte_arrays=True)
132
self.proxy.connect_to_signal(u"Rejected",
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self.rejected,
134
client_interface,
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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",
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self.checker_completed,
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client_interface,
152
byte_arrays=True),
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self.proxy.connect_to_signal("CheckerStarted",
154
self.checker_started,
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client_interface,
156
byte_arrays=True),
157
self.proxy.connect_to_signal("GotSecret",
158
self.got_secret,
159
client_interface,
160
byte_arrays=True),
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self.proxy.connect_to_signal("NeedApproval",
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self.need_approval,
163
client_interface,
164
byte_arrays=True),
165
self.proxy.connect_to_signal("Rejected",
166
self.rejected,
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client_interface,
168
byte_arrays=True))
169
log.debug("Created client %s", self.properties["Name"])
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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
# elif key == u"+":
329
# self.proxy.Approve(True)
330
# elif key == u"-":
331
# self.proxy.Approve(False)
332
372
else:
333
373
return key
334
335
def property_changed(self, property=None, value=None,
336
*args, **kwargs):
337
"""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.
338
377
This overrides the method from MandosClientPropertyCache"""
339
property_name = unicode(property)
340
old_value = self.properties.get(property_name)
341
super(MandosClientWidget, self).property_changed(
342
property=property, value=value, *args, **kwargs)
343
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):
344
384
self.update()
345
385
346
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
347
397
class ConstrainedListBox(urwid.ListBox):
348
398
"""Like a normal urwid.ListBox, but will consume all "up" or
349
399
"down" key presses, thus not allowing any containing widgets to
350
400
use them as an excuse to shift focus away from this widget.
351
401
"""
352
def keypress(self, (maxcol, maxrow), key):
353
ret = super(ConstrainedListBox, self).keypress((maxcol,
354
maxrow), key)
355
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"):
356
406
return
357
407
return ret
358
408
359
409
360
class UserInterface(object):
410
class UserInterface:
361
411
"""This is the entire user interface - the whole screen
362
412
with boxes, lists of client widgets, etc.
363
413
"""
364
414
def __init__(self, max_log_length=1000):
365
415
DBusGMainLoop(set_as_default=True)
366
416
367
417
self.screen = urwid.curses_display.Screen()
368
418
369
419
self.screen.register_palette((
370
(u"normal",
371
u"default", u"default", None),
372
(u"bold",
373
u"default", u"default", u"bold"),
374
(u"underline-blink",
375
u"default", u"default", u"underline"),
376
(u"standout",
377
u"default", u"default", u"standout"),
378
(u"bold-underline-blink",
379
u"default", u"default", (u"bold", u"underline")),
380
(u"bold-standout",
381
u"default", u"default", (u"bold", u"standout")),
382
(u"underline-blink-standout",
383
u"default", u"default", (u"underline", u"standout")),
384
(u"bold-underline-blink-standout",
385
u"default", u"default", (u"bold", u"underline",
386
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"),
387
439
))
388
440
389
441
if urwid.supports_unicode():
390
self.divider = u"─" # \u2500
391
#self.divider = u"━" # \u2501
442
self.divider = "─" # \u2500
392
443
else:
393
#self.divider = u"-" # \u002d
394
self.divider = u"_" # \u005f
395
444
self.divider = "_" # \u005f
445
396
446
self.screen.start()
397
447
398
448
self.size = self.screen.get_cols_rows()
399
449
400
450
self.clients = urwid.SimpleListWalker([])
401
451
self.clients_dict = {}
402
452
403
453
# We will add Text widgets to this list
404
self.log = []
454
self.log = urwid.SimpleListWalker([])
405
455
self.max_log_length = max_log_length
406
456
407
457
# We keep a reference to the log widget so we can remove it
408
458
# from the ListWalker without it getting destroyed
409
459
self.logbox = ConstrainedListBox(self.log)
410
460
411
461
# This keeps track of whether self.uilist currently has
412
462
# self.logbox in it or not
413
463
self.log_visible = True
414
self.log_wrap = u"any"
415
464
self.log_wrap = "any"
465
466
self.loghandler = UILogHandler(self)
467
416
468
self.rebuild()
417
self.log_message_raw((u"bold",
418
u"Mandos Monitor version " + version))
419
self.log_message_raw((u"bold",
420
u"q: Quit ?: Help"))
421
422
self.busname = domain + '.Mandos'
423
self.main_loop = gobject.MainLoop()
424
self.bus = dbus.SystemBus()
425
mandos_dbus_objc = self.bus.get_object(
426
self.busname, u"/", follow_name_owner_changes=True)
427
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
428
dbus_interface
429
= server_interface)
430
try:
431
mandos_clients = (self.mandos_serv
432
.GetAllClientsWithProperties())
433
except dbus.exceptions.DBusException:
434
mandos_clients = dbus.Dictionary()
435
436
(self.mandos_serv
437
.connect_to_signal(u"ClientRemoved",
438
self.find_and_remove_client,
439
dbus_interface=server_interface,
440
byte_arrays=True))
441
(self.mandos_serv
442
.connect_to_signal(u"ClientAdded",
443
self.add_new_client,
444
dbus_interface=server_interface,
445
byte_arrays=True))
446
(self.mandos_serv
447
.connect_to_signal(u"ClientNotFound",
448
self.client_not_found,
449
dbus_interface=server_interface,
450
byte_arrays=True))
451
for path, client in mandos_clients.iteritems():
452
client_proxy_object = self.bus.get_object(self.busname,
453
path)
454
self.add_client(MandosClientWidget(server_proxy_object
455
=self.mandos_serv,
456
proxy_object
457
=client_proxy_object,
458
properties=client,
459
update_hook
460
=self.refresh,
461
delete_hook
462
=self.remove_client,
463
logger
464
=self.log_message),
465
path=path)
466
467
def client_not_found(self, fingerprint, address):
468
self.log_message((u"Client with address %s and fingerprint %s"
469
u" could not be found" % (address,
470
fingerprint)))
471
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
472
480
def rebuild(self):
473
481
"""This rebuilds the User Interface.
474
482
Call this when the widget layout needs to change"""
475
483
self.uilist = []
476
#self.uilist.append(urwid.ListBox(self.clients))
484
# self.uilist.append(urwid.ListBox(self.clients))
477
485
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
478
486
clients),
479
#header=urwid.Divider(),
487
# header=urwid.Divider(),
480
488
header=None,
481
footer=
482
urwid.Divider(div_char=
483
self.divider)))
489
footer=urwid.Divider(
490
div_char=self.divider)))
484
491
if self.log_visible:
485
492
self.uilist.append(self.logbox)
486
pass
487
493
self.topwidget = urwid.Pile(self.uilist)
488
489
def log_message(self, message):
490
timestamp = datetime.datetime.now().isoformat()
491
self.log_message_raw(timestamp + u": " + message)
492
493
def log_message_raw(self, markup):
494
"""Add a log message to the log buffer."""
494
495
def add_log_line(self, markup):
495
496
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
496
if (self.max_log_length
497
and len(self.log) > self.max_log_length):
498
del self.log[0:len(self.log)-self.max_log_length-1]
499
self.logbox.set_focus(len(self.logbox.body.contents),
500
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")
501
502
self.refresh()
502
503
503
504
def toggle_log_display(self):
504
505
"""Toggle visibility of the log buffer."""
505
506
self.log_visible = not self.log_visible
506
507
self.rebuild()
507
self.log_message(u"Log visibility changed to: "
508
+ unicode(self.log_visible))
509
508
log.debug("Log visibility changed to: %s", self.log_visible)
509
510
510
def change_log_display(self):
511
511
"""Change type of log display.
512
512
Currently, this toggles wrapping of text lines."""
513
if self.log_wrap == u"clip":
514
self.log_wrap = u"any"
513
if self.log_wrap == "clip":
514
self.log_wrap = "any"
515
515
else:
516
self.log_wrap = u"clip"
516
self.log_wrap = "clip"
517
517
for textwidget in self.log:
518
518
textwidget.set_wrap_mode(self.log_wrap)
519
self.log_message(u"Wrap mode: " + self.log_wrap)
520
521
def find_and_remove_client(self, path, name):
522
"""Find an client from its object path and remove it.
523
524
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
525
525
Mandos server object."""
526
if client_interface not in interfaces:
527
# Not a Mandos client object; ignore
528
return
526
529
try:
527
530
client = self.clients_dict[path]
528
531
except KeyError:
529
532
# not found?
530
return
531
self.remove_client(client, path)
532
533
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
534
546
client_proxy_object = self.bus.get_object(self.busname, path)
535
self.add_client(MandosClientWidget(server_proxy_object
536
=self.mandos_serv,
537
proxy_object
538
=client_proxy_object,
539
update_hook
540
=self.refresh,
541
delete_hook
542
=self.remove_client,
543
logger
544
=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])),
545
553
path=path)
546
554
547
555
def add_client(self, client, path=None):
548
556
self.clients.append(client)
549
557
if path is None:
550
558
path = client.proxy.object_path
551
559
self.clients_dict[path] = client
552
self.clients.sort(None, lambda c: c.properties[u"Name"])
560
self.clients.sort(key=lambda c: c.properties["Name"])
553
561
self.refresh()
554
562
555
563
def remove_client(self, client, path=None):
556
564
self.clients.remove(client)
557
565
if path is None:
558
566
path = client.proxy.object_path
559
567
del self.clients_dict[path]
560
if not self.clients_dict:
561
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
562
# is completely emptied, we need to recreate it.
563
self.clients = urwid.SimpleListWalker([])
564
self.rebuild()
565
568
self.refresh()
566
569
567
570
def refresh(self):
568
571
"""Redraw the screen"""
569
572
canvas = self.topwidget.render(self.size, focus=True)
570
573
self.screen.draw_screen(self.size, canvas)
571
574
572
575
def run(self):
573
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
574
622
self.refresh()
575
self._input_callback_tag = (gobject.io_add_watch
576
(sys.stdin.fileno(),
577
gobject.IO_IN,
578
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)))
579
628
self.main_loop.run()
580
629
# Main loop has finished, we should close everything now
581
gobject.source_remove(self._input_callback_tag)
582
self.screen.stop()
583
630
GLib.source_remove(self._input_callback_tag)
631
with warnings.catch_warnings():
632
warnings.simplefilter("ignore", BytesWarning)
633
self.screen.stop()
634
584
635
def stop(self):
585
636
self.main_loop.quit()
586
637
log.removeHandler(self.loghandler)
638
log.propagate = self.orig_log_propagate
639
587
640
def process_input(self, source, condition):
588
641
keys = self.screen.get_input()
589
translations = { u"ctrl n": u"down", # Emacs
590
u"ctrl p": u"up", # Emacs
591
u"ctrl v": u"page down", # Emacs
592
u"meta v": u"page up", # Emacs
593
u" ": u"page down", # less
594
u"f": u"page down", # less
595
u"b": u"page up", # less
596
u"j": u"down", # vi
597
u"k": u"up", # vi
598
}
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
}
599
652
for key in keys:
600
653
try:
601
654
key = translations[key]
602
655
except KeyError: # :-)
603
656
pass
604
605
if key == u"q" or key == u"Q":
657
658
if key == "q" or key == "Q":
606
659
self.stop()
607
660
break
608
elif key == u"window resize":
661
elif key == "window resize":
609
662
self.size = self.screen.get_cols_rows()
610
663
self.refresh()
611
elif key == u"\f": # Ctrl-L
664
elif key == "ctrl l":
665
self.screen.clear()
612
666
self.refresh()
613
elif key == u"l" or key == u"D":
667
elif key == "l" or key == "D":
614
668
self.toggle_log_display()
615
669
self.refresh()
616
elif key == u"w" or key == u"i":
670
elif key == "w" or key == "i":
617
671
self.change_log_display()
618
672
self.refresh()
619
elif key == u"?" or key == u"f1" or key == u"esc":
673
elif key == "?" or key == "f1" or key == "esc":
620
674
if not self.log_visible:
621
675
self.log_visible = True
622
676
self.rebuild()
623
self.log_message_raw((u"bold",
624
u" ".
625
join((u"q: Quit",
626
u"?: Help",
627
u"l: Log window toggle",
628
u"TAB: Switch window",
629
u"w: Wrap (log)"))))
630
self.log_message_raw((u"bold",
631
u" "
632
.join((u"Clients:",
633
u"+: Enable",
634
u"-: Disable",
635
u"r: Remove",
636
u"s: Start new checker",
637
u"S: Stop checker",
638
u"C: Checker OK",
639
u"a: Approve",
640
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
))))
641
696
self.refresh()
642
elif key == u"tab":
697
elif key == "tab":
643
698
if self.topwidget.get_focus() is self.logbox:
644
699
self.topwidget.set_focus(0)
645
700
else:
646
701
self.topwidget.set_focus(self.logbox)
647
702
self.refresh()
648
#elif (key == u"end" or key == u"meta >" or key == u"G"
649
# or key == u">"):
650
# pass # xxx end-of-buffer
651
#elif (key == u"home" or key == u"meta <" or key == u"g"
652
# or key == u"<"):
653
# pass # xxx beginning-of-buffer
654
#elif key == u"ctrl e" or key == u"$":
655
# pass # xxx move-end-of-line
656
#elif key == u"ctrl a" or key == u"^":
657
# pass # xxx move-beginning-of-line
658
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
659
# pass # xxx left
660
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
661
# pass # xxx right
662
#elif key == u"a":
663
# pass # scroll up log
664
#elif key == u"z":
665
# pass # scroll down log
703
elif key == "v":
704
if log.level < logging.INFO:
705
log.setLevel(logging.INFO)
706
log.info("Verbose mode: Off")
707
else:
708
log.setLevel(logging.NOTSET)
709
log.info("Verbose mode: On")
710
# elif (key == "end" or key == "meta >" or key == "G"
711
# or key == ">"):
712
# pass # xxx end-of-buffer
713
# elif (key == "home" or key == "meta <" or key == "g"
714
# or key == "<"):
715
# pass # xxx beginning-of-buffer
716
# elif key == "ctrl e" or key == "$":
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
666
728
elif self.topwidget.selectable():
667
729
self.topwidget.keypress(self.size, key)
668
730
self.refresh()
669
731
return True
670
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
671
747
ui = UserInterface()
672
748
try:
673
749
ui.run()
674
750
except KeyboardInterrupt:
675
ui.screen.stop()
676
except Exception, e:
677
ui.log_message(unicode(e))
678
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()
679
758
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0