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- Committer: Teddy Hogeborn
- Date: 2016-10-05 19:56:40 UTC
- Revision ID: teddy@recompile.se-20161005195640-yrjxv8kkx662usr0
Fix bug where Mandos client would crash on exit
* plugins.d/mandos-client.c (init_gnutls_global): Fix memory leak by
doing free(params.data) after import.
* plugins.d/mandos-client.c (init_gnutls_global): Fix memory leak by
doing free(params.data) after import.
- files added:
- bugs.xml
- debian/source
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
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#!/usr/bin/python
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2
# -*- mode: python; coding: utf-8 -*-
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#
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# Mandos Monitor - Control and monitor the Mandos server
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#
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# Copyright © 2009-2016 Teddy Hogeborn
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# Copyright © 2009-2016 Björn Påhlsson
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#
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# This program is free software: you can redistribute it and/or modify
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# it 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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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# 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 this program. If not, see
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# <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
25
4
from __future__ import division, absolute_import, with_statement
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from __future__ import (division, absolute_import, print_function,
27
unicode_literals)
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try:
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from future_builtins import *
30
except ImportError:
31
pass
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32
6
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import sys
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34
import os
8
import signal
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35
10
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import datetime
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37
13
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import urwid
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40
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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43
18
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import dbus
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45
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import UserList
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import locale
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locale.setlocale(locale.LC_ALL, u'')
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26
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import logging
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if sys.version_info.major == 2:
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str = unicode
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locale.setlocale(locale.LC_ALL, '')
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27
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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29
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# Some useful constants
30
domain = 'se.bsnet.fukt'
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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60
client_interface = domain + '.Mandos.Client'
33
version = "1.0.15"
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
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38
# Urwid doesn't support blinking, but we want it. Since we have no
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# use for underline on its own, we make underline also always blink.
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urwid.curses_display.curses.A_UNDERLINE |= (
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urwid.curses_display.curses.A_BLINK)
61
version = "1.7.11"
62
63
try:
64
dbus.OBJECT_MANAGER_IFACE
65
except AttributeError:
66
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
67
42
68
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def isoformat_to_datetime(iso):
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"Parse an ISO 8601 date string to a datetime.datetime()"
45
71
if not iso:
46
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return None
47
d, t = iso.split(u"T", 1)
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year, month, day = d.split(u"-", 2)
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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)
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second, fraction = divmod(float(second), 1)
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return datetime.datetime(int(year),
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int(month),
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int(day),
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80
int(hour),
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int(minute),
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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85
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class MandosClientPropertyCache(object):
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"""This wraps a Mandos Client D-Bus proxy object, caches the
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properties and calls a hook function when any of them are
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89
changed.
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"""
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def __init__(self, proxy_object=None, *args, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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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)
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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!
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# super(MandosClientPropertyCache, self).__init__(
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# *args, **kwargs)
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def property_changed(self, property=None, value=None):
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"""This is called whenever we get a PropertyChanged signal
83
It updates the changed property in the "properties" dict.
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict() if properties is None else properties
94
self.property_changed_match = (
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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))
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if properties is None:
101
self.properties.update(self.proxy.GetAll(
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client_interface,
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dbus_interface=dbus.PROPERTIES_IFACE))
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super(MandosClientPropertyCache, self).__init__(**kwargs)
106
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def properties_changed(self, interface, properties, invalidated):
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"""This is called whenever we get a PropertiesChanged signal
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It updates the changed properties in the "properties" dict.
84
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"""
85
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# Update properties dict with new value
86
self.properties[property] = value
112
if interface == client_interface:
113
self.properties.update(properties)
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def delete(self):
116
self.property_changed_match.remove()
87
117
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
91
121
"""
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def __init__(self, server_proxy_object=None, update_hook=None,
94
delete_hook=None, logger=None, *args, **kwargs):
124
delete_hook=None, logger=None, **kwargs):
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# Called on update
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self.update_hook = update_hook
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# Called on delete
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self.server_proxy_object = server_proxy_object
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# Logger
102
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self.logger = logger
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104
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self._update_timer_callback_tag = None
105
self.last_checker_failed = False
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135
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# The widget shown normally
108
self._text_widget = urwid.Text(u"")
137
self._text_widget = urwid.Text("")
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# 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)
139
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(**kwargs)
114
141
self.update()
115
142
self.opened = False
116
self.proxy.connect_to_signal(u"CheckerCompleted",
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self.checker_completed,
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client_interface,
119
byte_arrays=True)
120
self.proxy.connect_to_signal(u"CheckerStarted",
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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",
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self.need_approval,
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client_interface,
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byte_arrays=True)
132
self.proxy.connect_to_signal(u"Rejected",
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self.rejected,
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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
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(milliseconds=
145
self.properties
146
[u"Interval"]))
147
if self.last_checker_failed:
148
self._update_timer_callback_tag = (gobject.timeout_add
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144
self.match_objects = (
145
self.proxy.connect_to_signal("CheckerCompleted",
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self.checker_completed,
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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("CheckerStarted",
150
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("GotSecret",
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self.got_secret,
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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("NeedApproval",
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self.need_approval,
159
client_interface,
160
byte_arrays=True),
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self.proxy.connect_to_signal("Rejected",
162
self.rejected,
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client_interface,
164
byte_arrays=True))
165
self.logger('Created client {}'
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.format(self.properties["Name"]), level=0)
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def using_timer(self, flag):
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"""Call this method with True or False when timer should be
170
activated or deactivated.
171
"""
172
if flag and self._update_timer_callback_tag is None:
173
# Will update the shown timer value every second
174
self._update_timer_callback_tag = (GLib.timeout_add
149
175
(1000,
150
176
self.update_timer))
151
177
elif not (flag or self._update_timer_callback_tag is None):
178
GLib.source_remove(self._update_timer_callback_tag)
179
self._update_timer_callback_tag = None
180
152
181
def checker_completed(self, exitstatus, condition, command):
153
182
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")'
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# u' was successful'
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# % (self.properties[u"Name"], command))
183
self.logger('Checker for client {} (command "{}")'
184
' succeeded'.format(self.properties["Name"],
185
command), level=0)
161
186
self.update()
162
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return
163
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# 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
189
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)))
190
self.logger('Checker for client {} (command "{}") failed'
191
' with exit code {}'
192
.format(self.properties["Name"], command,
193
os.WEXITSTATUS(condition)))
174
194
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')
195
self.logger('Checker for client {} (command "{}") was'
196
' killed by signal {}'
197
.format(self.properties["Name"], command,
198
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
self.logger('Client {} started checker "{}"'
204
.format(self.properties["Name"],
205
command), level=0)
206
193
207
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
208
self.logger('Client {} received its secret'
209
.format(self.properties["Name"]))
210
198
211
def need_approval(self, timeout, default):
199
212
if not default:
200
message = u'Client %s needs approval within %s seconds'
213
message = 'Client {} needs approval within {} seconds'
201
214
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
215
message = 'Client {} will get its secret in {} seconds'
216
self.logger(message.format(self.properties["Name"],
217
timeout/1000))
218
206
219
def rejected(self, reason):
207
self.logger(u'Client %s was rejected; reason: %s'
208
% (self.properties[u"Name"], reason))
209
220
self.logger('Client {} was rejected; reason: {}'
221
.format(self.properties["Name"], reason))
222
210
223
def selectable(self):
211
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"""Make this a "selectable" widget.
212
225
This overrides the method from urwid.FlowWidget."""
213
226
return True
214
215
def rows(self, (maxcol,), focus=False):
227
228
def rows(self, maxcolrow, focus=False):
216
229
"""How many rows this widget will occupy might depend on
217
230
whether we have focus or not.
218
231
This overrides the method from urwid.FlowWidget"""
219
return self.current_widget(focus).rows((maxcol,), focus=focus)
220
232
return self.current_widget(focus).rows(maxcolrow, focus=focus)
233
221
234
def current_widget(self, focus=False):
222
235
if focus or self.opened:
223
236
return self._focus_widget
224
237
return self._widget
225
238
226
239
def update(self):
227
240
"Called when what is visible on the screen should be updated."
228
241
# 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
}
242
with_standout = {"normal": "standout",
243
"bold": "bold-standout",
244
"underline-blink":
245
"underline-blink-standout",
246
"bold-underline-blink":
247
"bold-underline-blink-standout",
248
}
236
249
237
250
# Rebuild focus and non-focus widgets using current properties
238
251
239
252
# 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 disabled: %s'
260
% unicode(timer).rsplit(".", 1)[0])
253
base = '{name}: '.format(name=self.properties["Name"])
254
if not self.properties["Enabled"]:
255
message = "DISABLED"
256
self.using_timer(False)
257
elif self.properties["ApprovalPending"]:
258
timeout = datetime.timedelta(
259
milliseconds=self.properties["ApprovalDelay"])
260
last_approval_request = isoformat_to_datetime(
261
self.properties["LastApprovalRequest"])
262
if last_approval_request is not None:
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
266
else:
267
timer = datetime.timedelta()
268
if self.properties["ApprovedByDefault"]:
269
message = "Approval in {}. (d)eny?"
270
else:
271
message = "Denial in {}. (a)pprove?"
272
message = message.format(str(timer).rsplit(".", 1)[0])
273
self.using_timer(True)
274
elif self.properties["LastCheckerStatus"] != 0:
275
# When checker has failed, show timer until client expires
276
expires = self.properties["Expires"]
277
if expires == "":
278
timer = datetime.timedelta(0)
279
else:
280
expires = (datetime.datetime.strptime
281
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
timer = max(expires - datetime.datetime.utcnow(),
283
datetime.timedelta())
284
message = ('A checker has failed! Time until client'
285
' gets disabled: {}'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
261
288
else:
262
message = u"enabled"
263
self._text = "%s%s" % (base, message)
264
289
message = "enabled"
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
292
265
293
if not urwid.supports_unicode():
266
294
self._text = self._text.encode("ascii", "replace")
267
textlist = [(u"normal", self._text)]
295
textlist = [("normal", self._text)]
268
296
self._text_widget.set_text(textlist)
269
297
self._focus_text_widget.set_text([(with_standout[text[0]],
270
298
text[1])
277
305
# Run update hook, if any
278
306
if self.update_hook is not None:
279
307
self.update_hook()
280
308
281
309
def update_timer(self):
282
"called by gobject"
310
"""called by GLib. Will indefinitely loop until
311
GLib.source_remove() on tag is called
312
"""
283
313
self.update()
284
314
return True # Keep calling this
285
286
def delete(self):
315
316
def delete(self, **kwargs):
287
317
if self._update_timer_callback_tag is not None:
288
gobject.source_remove(self._update_timer_callback_tag)
318
GLib.source_remove(self._update_timer_callback_tag)
289
319
self._update_timer_callback_tag = None
320
for match in self.match_objects:
321
match.remove()
322
self.match_objects = ()
290
323
if self.delete_hook is not None:
291
324
self.delete_hook(self)
292
293
def render(self, (maxcol,), focus=False):
325
return super(MandosClientWidget, self).delete(**kwargs)
326
327
def render(self, maxcolrow, focus=False):
294
328
"""Render differently if we have focus.
295
329
This overrides the method from urwid.FlowWidget"""
296
return self.current_widget(focus).render((maxcol,),
330
return self.current_widget(focus).render(maxcolrow,
297
331
focus=focus)
298
299
def keypress(self, (maxcol,), key):
332
333
def keypress(self, maxcolrow, key):
300
334
"""Handle keys.
301
335
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":
336
if key == "+":
337
self.proxy.Set(client_interface, "Enabled",
338
dbus.Boolean(True), ignore_reply=True,
339
dbus_interface=dbus.PROPERTIES_IFACE)
340
elif key == "-":
341
self.proxy.Set(client_interface, "Enabled", False,
342
ignore_reply=True,
343
dbus_interface=dbus.PROPERTIES_IFACE)
344
elif key == "a":
307
345
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
308
dbus_interface = client_interface)
309
elif key == u"d":
346
dbus_interface=client_interface,
347
ignore_reply=True)
348
elif key == "d":
310
349
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":
350
dbus_interface=client_interface,
351
ignore_reply=True)
352
elif key == "R" or key == "_" or key == "ctrl k":
313
353
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)
354
.object_path,
355
ignore_reply=True)
356
elif key == "s":
357
self.proxy.Set(client_interface, "CheckerRunning",
358
dbus.Boolean(True), ignore_reply=True,
359
dbus_interface=dbus.PROPERTIES_IFACE)
360
elif key == "S":
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(False), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
364
elif key == "C":
365
self.proxy.CheckedOK(dbus_interface=client_interface,
366
ignore_reply=True)
321
367
# xxx
322
# elif key == u"p" or key == "=":
368
# elif key == "p" or key == "=":
323
369
# self.proxy.pause()
324
# elif key == u"u" or key == ":":
370
# elif key == "u" or key == ":":
325
371
# self.proxy.unpause()
326
# elif key == u"RET":
372
# elif key == "RET":
327
373
# self.open()
328
374
else:
329
375
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.
376
377
def properties_changed(self, interface, properties, invalidated):
378
"""Call self.update() if any properties changed.
334
379
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:
380
old_values = {key: self.properties.get(key)
381
for key in properties.keys()}
382
super(MandosClientWidget, self).properties_changed(
383
interface, properties, invalidated)
384
if any(old_values[key] != self.properties.get(key)
385
for key in old_values):
340
386
self.update()
341
387
342
388
345
391
"down" key presses, thus not allowing any containing widgets to
346
392
use them as an excuse to shift focus away from this widget.
347
393
"""
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"):
394
def keypress(self, *args, **kwargs):
395
ret = (super(ConstrainedListBox, self)
396
.keypress(*args, **kwargs))
397
if ret in ("up", "down"):
352
398
return
353
399
return ret
354
400
357
403
"""This is the entire user interface - the whole screen
358
404
with boxes, lists of client widgets, etc.
359
405
"""
360
def __init__(self, max_log_length=1000):
406
def __init__(self, max_log_length=1000, log_level=1):
361
407
DBusGMainLoop(set_as_default=True)
362
408
363
409
self.screen = urwid.curses_display.Screen()
364
410
365
411
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")),
412
("normal",
413
"default", "default", None),
414
("bold",
415
"bold", "default", "bold"),
416
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
418
("standout",
419
"standout", "default", "standout"),
420
("bold-underline-blink",
421
"bold,underline,blink", "default",
422
"bold,underline,blink"),
423
("bold-standout",
424
"bold,standout", "default", "bold,standout"),
425
("underline-blink-standout",
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
428
("bold-underline-blink-standout",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
383
431
))
384
432
385
433
if urwid.supports_unicode():
386
self.divider = u"─" # \u2500
387
#self.divider = u"━" # \u2501
434
self.divider = "─" # \u2500
388
435
else:
389
#self.divider = u"-" # \u002d
390
self.divider = u"_" # \u005f
391
436
self.divider = "_" # \u005f
437
392
438
self.screen.start()
393
439
394
440
self.size = self.screen.get_cols_rows()
395
441
396
442
self.clients = urwid.SimpleListWalker([])
397
443
self.clients_dict = {}
398
444
399
445
# We will add Text widgets to this list
400
446
self.log = []
401
447
self.max_log_length = max_log_length
402
448
449
self.log_level = log_level
450
403
451
# We keep a reference to the log widget so we can remove it
404
452
# from the ListWalker without it getting destroyed
405
453
self.logbox = ConstrainedListBox(self.log)
406
454
407
455
# This keeps track of whether self.uilist currently has
408
456
# self.logbox in it or not
409
457
self.log_visible = True
410
self.log_wrap = u"any"
411
458
self.log_wrap = "any"
459
412
460
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
461
self.log_message_raw(("bold",
462
"Mandos Monitor version " + version))
463
self.log_message_raw(("bold",
464
"q: Quit ?: Help"))
465
418
466
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
467
self.main_loop = GLib.MainLoop()
468
463
469
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
470
self.log_message("Client with address {} and fingerprint {}"
471
" could not be found"
472
.format(address, fingerprint))
473
468
474
def rebuild(self):
469
475
"""This rebuilds the User Interface.
470
476
Call this when the widget layout needs to change"""
471
477
self.uilist = []
472
#self.uilist.append(urwid.ListBox(self.clients))
478
# self.uilist.append(urwid.ListBox(self.clients))
473
479
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
474
480
clients),
475
#header=urwid.Divider(),
481
# header=urwid.Divider(),
476
482
header=None,
477
footer=
478
urwid.Divider(div_char=
479
self.divider)))
483
footer=urwid.Divider(
484
div_char=self.divider)))
480
485
if self.log_visible:
481
486
self.uilist.append(self.logbox)
482
pass
483
487
self.topwidget = urwid.Pile(self.uilist)
484
485
def log_message(self, message):
488
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
492
return
486
493
timestamp = datetime.datetime.now().isoformat()
487
self.log_message_raw(timestamp + u": " + message)
488
489
def log_message_raw(self, markup):
494
self.log_message_raw("{}: {}".format(timestamp, message),
495
level=level)
496
497
def log_message_raw(self, markup, level=1):
490
498
"""Add a log message to the log buffer."""
499
if level < self.log_level:
500
return
491
501
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]
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-1]
495
505
self.logbox.set_focus(len(self.logbox.body.contents),
496
coming_from=u"above")
506
coming_from="above")
497
507
self.refresh()
498
508
499
509
def toggle_log_display(self):
500
510
"""Toggle visibility of the log buffer."""
501
511
self.log_visible = not self.log_visible
502
512
self.rebuild()
503
#self.log_message(u"Log visibility changed to: "
504
# + unicode(self.log_visible))
505
513
self.log_message("Log visibility changed to: {}"
514
.format(self.log_visible), level=0)
515
506
516
def change_log_display(self):
507
517
"""Change type of log display.
508
518
Currently, this toggles wrapping of text lines."""
509
if self.log_wrap == u"clip":
510
self.log_wrap = u"any"
519
if self.log_wrap == "clip":
520
self.log_wrap = "any"
511
521
else:
512
self.log_wrap = u"clip"
522
self.log_wrap = "clip"
513
523
for textwidget in self.log:
514
524
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
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
526
level=0)
527
528
def find_and_remove_client(self, path, interfaces):
529
"""Find a client by its object path and remove it.
530
531
This is connected to the InterfacesRemoved signal from the
521
532
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
535
return
522
536
try:
523
537
client = self.clients_dict[path]
524
538
except KeyError:
525
539
# not found?
526
return
527
self.remove_client(client, path)
528
529
def add_new_client(self, path):
540
self.log_message("Unknown client {!r} removed"
541
.format(path))
542
return
543
client.delete()
544
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
547
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
550
"""
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
553
return
530
554
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),
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
logger=self.log_message,
561
properties=dict(ifs_and_props[client_interface])),
541
562
path=path)
542
563
543
564
def add_client(self, client, path=None):
544
565
self.clients.append(client)
545
566
if path is None:
546
567
path = client.proxy.object_path
547
568
self.clients_dict[path] = client
548
self.clients.sort(None, lambda c: c.properties[u"Name"])
569
self.clients.sort(key=lambda c: c.properties["Name"])
549
570
self.refresh()
550
571
551
572
def remove_client(self, client, path=None):
552
573
self.clients.remove(client)
553
574
if path is None:
554
575
path = client.proxy.object_path
555
576
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
577
self.refresh()
562
578
563
579
def refresh(self):
564
580
"""Redraw the screen"""
565
581
canvas = self.topwidget.render(self.size, focus=True)
566
582
self.screen.draw_screen(self.size, canvas)
567
583
568
584
def run(self):
569
585
"""Start the main loop and exit when it's done."""
586
self.bus = dbus.SystemBus()
587
mandos_dbus_objc = self.bus.get_object(
588
self.busname, "/", follow_name_owner_changes=True)
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
591
try:
592
mandos_clients = (self.mandos_serv
593
.GetAllClientsWithProperties())
594
if not mandos_clients:
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
597
except dbus.exceptions.DBusException:
598
self.log_message_raw(("bold",
599
"Note: No Mandos server running."))
600
mandos_clients = dbus.Dictionary()
601
602
(self.mandos_serv
603
.connect_to_signal("InterfacesRemoved",
604
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
606
byte_arrays=True))
607
(self.mandos_serv
608
.connect_to_signal("InterfacesAdded",
609
self.add_new_client,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
611
byte_arrays=True))
612
(self.mandos_serv
613
.connect_to_signal("ClientNotFound",
614
self.client_not_found,
615
dbus_interface=server_interface,
616
byte_arrays=True))
617
for path, client in mandos_clients.items():
618
client_proxy_object = self.bus.get_object(self.busname,
619
path)
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
623
properties=client,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client,
626
logger=self.log_message),
627
path=path)
628
570
629
self.refresh()
571
self._input_callback_tag = (gobject.io_add_watch
630
self._input_callback_tag = (GLib.io_add_watch
572
631
(sys.stdin.fileno(),
573
gobject.IO_IN,
632
GLib.IO_IN,
574
633
self.process_input))
575
634
self.main_loop.run()
576
635
# Main loop has finished, we should close everything now
577
gobject.source_remove(self._input_callback_tag)
636
GLib.source_remove(self._input_callback_tag)
578
637
self.screen.stop()
579
638
580
639
def stop(self):
581
640
self.main_loop.quit()
582
641
583
642
def process_input(self, source, condition):
584
643
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
}
644
translations = {"ctrl n": "down", # Emacs
645
"ctrl p": "up", # Emacs
646
"ctrl v": "page down", # Emacs
647
"meta v": "page up", # Emacs
648
" ": "page down", # less
649
"f": "page down", # less
650
"b": "page up", # less
651
"j": "down", # vi
652
"k": "up", # vi
653
}
595
654
for key in keys:
596
655
try:
597
656
key = translations[key]
598
657
except KeyError: # :-)
599
658
pass
600
601
if key == u"q" or key == u"Q":
659
660
if key == "q" or key == "Q":
602
661
self.stop()
603
662
break
604
elif key == u"window resize":
663
elif key == "window resize":
605
664
self.size = self.screen.get_cols_rows()
606
665
self.refresh()
607
elif key == u"\f": # Ctrl-L
666
elif key == "ctrl l":
667
self.screen.clear()
608
668
self.refresh()
609
elif key == u"l" or key == u"D":
669
elif key == "l" or key == "D":
610
670
self.toggle_log_display()
611
671
self.refresh()
612
elif key == u"w" or key == u"i":
672
elif key == "w" or key == "i":
613
673
self.change_log_display()
614
674
self.refresh()
615
elif key == u"?" or key == u"f1" or key == u"esc":
675
elif key == "?" or key == "f1" or key == "esc":
616
676
if not self.log_visible:
617
677
self.log_visible = True
618
678
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"))))
679
self.log_message_raw(("bold",
680
" ".
681
join(("q: Quit",
682
"?: Help",
683
"l: Log window toggle",
684
"TAB: Switch window",
685
"w: Wrap (log lines)",
686
"v: Toggle verbose log",
687
))))
688
self.log_message_raw(("bold",
689
" "
690
.join(("Clients:",
691
"+: Enable",
692
"-: Disable",
693
"R: Remove",
694
"s: Start new checker",
695
"S: Stop checker",
696
"C: Checker OK",
697
"a: Approve",
698
"d: Deny"))))
637
699
self.refresh()
638
elif key == u"tab":
700
elif key == "tab":
639
701
if self.topwidget.get_focus() is self.logbox:
640
702
self.topwidget.set_focus(0)
641
703
else:
642
704
self.topwidget.set_focus(self.logbox)
643
705
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"$":
651
# pass # xxx move-end-of-line
652
#elif key == u"ctrl a" or key == u"^":
653
# pass # xxx move-beginning-of-line
654
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
655
# pass # xxx left
656
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
657
# pass # xxx right
658
#elif key == u"a":
659
# pass # scroll up log
660
#elif key == u"z":
661
# pass # scroll down log
706
elif key == "v":
707
if self.log_level == 0:
708
self.log_level = 1
709
self.log_message("Verbose mode: Off")
710
else:
711
self.log_level = 0
712
self.log_message("Verbose mode: On")
713
# elif (key == "end" or key == "meta >" or key == "G"
714
# or key == ">"):
715
# pass # xxx end-of-buffer
716
# elif (key == "home" or key == "meta <" or key == "g"
717
# or key == "<"):
718
# pass # xxx beginning-of-buffer
719
# elif key == "ctrl e" or key == "$":
720
# pass # xxx move-end-of-line
721
# elif key == "ctrl a" or key == "^":
722
# pass # xxx move-beginning-of-line
723
# elif key == "ctrl b" or key == "meta (" or key == "h":
724
# pass # xxx left
725
# elif key == "ctrl f" or key == "meta )" or key == "l":
726
# pass # xxx right
727
# elif key == "a":
728
# pass # scroll up log
729
# elif key == "z":
730
# pass # scroll down log
662
731
elif self.topwidget.selectable():
663
732
self.topwidget.keypress(self.size, key)
664
733
self.refresh()
669
738
ui.run()
670
739
except KeyboardInterrupt:
671
740
ui.screen.stop()
672
except Exception, e:
673
ui.log_message(unicode(e))
741
except Exception as e:
742
ui.log_message(str(e))
674
743
ui.screen.stop()
675
744
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0