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- Committer: Teddy Hogeborn
- Date: 2015-07-09 08:57:02 UTC
- Revision ID: teddy@recompile.se-20150709085702-7bsl6191yo2eusik
initramfs-tools-hook: Use Diffie-Hellman parameters file if available.
- files added:
- debian/mandos-client.examples
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
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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 © 2009-2011 Teddy Hogeborn
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# Copyright © 2009-2011 Björn Påhlsson
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# Copyright © 2009-2015 Teddy Hogeborn
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# Copyright © 2009-2015 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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# 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 <http://www.gnu.org/licenses/>.
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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@fukt.bsnet.se>.
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# Contact the authors at <mandos@recompile.se>.
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#
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from __future__ import division, absolute_import, print_function, unicode_literals
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from __future__ import (division, absolute_import, print_function,
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unicode_literals)
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try:
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from future_builtins import *
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except ImportError:
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pass
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import sys
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import os
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import signal
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import datetime
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import urwid
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from dbus.mainloop.glib import DBusGMainLoop
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import gobject
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try:
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import gobject
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except ImportError:
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from gi.repository import GObject as gobject
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import dbus
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import UserList
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import locale
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if sys.version_info.major == 2:
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str = unicode
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45
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locale.setlocale(locale.LC_ALL, '')
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import logging
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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# Some useful constants
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domain = 'se.bsnet.fukt'
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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version = "1.3.0"
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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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# 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)
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version = "1.6.9"
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def isoformat_to_datetime(iso):
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"Parse an ISO 8601 date string to a datetime.datetime()"
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properties and calls a hook function when any of them are
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changed.
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"""
85
def __init__(self, proxy_object=None, *args, **kwargs):
86
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()
89
self.proxy.connect_to_signal("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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self.properties = dict() if properties is None else properties
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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:
96
self.properties.update(
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self.proxy.GetAll(client_interface,
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dbus_interface
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= dbus.PROPERTIES_IFACE))
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super(MandosClientPropertyCache, self).__init__(**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
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It updates the changed property in the "properties" dict.
103
def properties_changed(self, interface, properties, invalidated):
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"""This is called whenever we get a PropertiesChanged signal
105
It updates the changed properties in the "properties" dict.
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"""
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# Update properties dict with new value
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self.properties[property] = value
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self.properties.update(properties)
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def delete(self):
111
self.property_changed_match.remove()
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
115
delete_hook=None, logger=None, *args, **kwargs):
119
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.logger = logger
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self._update_timer_callback_tag = None
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self._update_timer_callback_lock = 0
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self.last_checker_failed = False
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# The widget shown normally
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self._text_widget = urwid.Text("")
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# The widget shown when we have focus
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self._focus_text_widget = urwid.Text("")
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super(MandosClientWidget, self).__init__(
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update_hook=update_hook, delete_hook=delete_hook,
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*args, **kwargs)
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super(MandosClientWidget, self).__init__(**kwargs)
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self.update()
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self.opened = False
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last_checked_ok = isoformat_to_datetime(self.properties
140
["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
["Interval"]))
150
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if self.last_checker_failed:
152
self.using_timer(True)
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if self.need_approval:
155
self.using_timer(True)
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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)
161
self.proxy.connect_to_signal("CheckerStarted",
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self.checker_started,
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client_interface,
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byte_arrays=True)
165
self.proxy.connect_to_signal("GotSecret",
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self.got_secret,
167
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,
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client_interface,
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byte_arrays=True)
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self.proxy.connect_to_signal("Rejected",
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self.rejected,
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client_interface,
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byte_arrays=True)
139
self.match_objects = (
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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",
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self.checker_started,
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client_interface,
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byte_arrays=True),
148
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,
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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("Rejected",
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self.rejected,
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client_interface,
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byte_arrays=True))
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self.logger('Created client {}'
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.format(self.properties["Name"]), level=0)
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def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
180
value)
181
if property == "ApprovalPending":
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using_timer(bool(value))
183
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def using_timer(self, flag):
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"""Call this method with True or False when timer should be
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activated or deactivated.
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"""
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old = self._update_timer_callback_lock
189
if flag:
190
self._update_timer_callback_lock += 1
191
else:
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self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
167
if flag and self._update_timer_callback_tag is None:
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# Will update the shown timer value every second
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self._update_timer_callback_tag = (gobject.timeout_add
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(1000,
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self.update_timer))
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elif old and self._update_timer_callback_lock == 0:
172
elif not (flag or self._update_timer_callback_tag is None):
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gobject.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = None
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def checker_completed(self, exitstatus, condition, command):
176
def checker_completed(self, exitstatus, signal, command):
202
177
if exitstatus == 0:
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger('Checker for client %s (command "%s")'
207
# ' was successful'
208
# % (self.properties["Name"], command))
178
self.logger('Checker for client {} (command "{}")'
179
' succeeded'.format(self.properties["Name"],
180
command), level=0)
209
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self.update()
210
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return
211
183
# Checker failed
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
215
if os.WIFEXITED(condition):
216
self.logger('Checker for client %s (command "%s")'
217
' failed with exit code %s'
218
% (self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
220
elif os.WIFSIGNALED(condition):
221
self.logger('Checker for client %s (command "%s")'
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' was killed by signal %s'
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% (self.properties["Name"], command,
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os.WTERMSIG(condition)))
225
elif os.WCOREDUMP(condition):
226
self.logger('Checker for client %s (command "%s")'
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' dumped core'
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% (self.properties["Name"], command))
184
if exitstatus >= 0:
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self.logger('Checker for client {} (command "{}") failed'
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' with exit code {}'
187
.format(self.properties["Name"], command,
188
exitstatus))
189
elif signal != 0:
190
self.logger('Checker for client {} (command "{}") was'
191
' killed by signal {}'
192
.format(self.properties["Name"], command,
193
signal))
229
194
else:
230
self.logger('Checker for client %s completed'
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' mysteriously')
195
self.logger('Checker for client {} completed'
196
' mysteriously'
197
.format(self.properties["Name"]))
232
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self.update()
233
199
234
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def checker_started(self, command):
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
237
pass
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"""Server signals that a checker started."""
202
self.logger('Client {} started checker "{}"'
203
.format(self.properties["Name"],
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command), level=0)
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205
239
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def got_secret(self):
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
207
self.logger('Client {} received its secret'
208
.format(self.properties["Name"]))
243
209
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def need_approval(self, timeout, default):
245
211
if not default:
246
message = 'Client %s needs approval within %s seconds'
212
message = 'Client {} needs approval within {} seconds'
247
213
else:
248
message = 'Client %s will get its secret in %s seconds'
249
self.logger(message
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
214
message = 'Client {} will get its secret in {} seconds'
215
self.logger(message.format(self.properties["Name"],
216
timeout/1000))
252
217
253
218
def rejected(self, reason):
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
219
self.logger('Client {} was rejected; reason: {}'
220
.format(self.properties["Name"], reason))
256
221
257
222
def selectable(self):
258
223
"""Make this a "selectable" widget.
280
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"bold-underline-blink":
281
246
"bold-underline-blink-standout",
282
247
}
283
248
284
249
# Rebuild focus and non-focus widgets using current properties
285
250
286
251
# Base part of a client. Name!
287
base = ('%(name)s: '
288
% {"name": self.properties["Name"]})
252
base = '{name}: '.format(name=self.properties["Name"])
289
253
if not self.properties["Enabled"]:
290
254
message = "DISABLED"
255
self.using_timer(False)
291
256
elif self.properties["ApprovalPending"]:
292
257
timeout = datetime.timedelta(milliseconds
293
258
= self.properties
295
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last_approval_request = isoformat_to_datetime(
296
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self.properties["LastApprovalRequest"])
297
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if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
300
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else:
301
267
timer = datetime.timedelta()
302
268
if self.properties["ApprovedByDefault"]:
303
message = "Approval in %s. (d)eny?"
304
else:
305
message = "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
["Timeout"])
311
last_ok = isoformat_to_datetime(
312
max((self.properties["LastCheckedOK"]
313
or self.properties["Created"]),
314
self.properties["LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
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())
316
284
message = ('A checker has failed! Time until client'
317
' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
285
' gets disabled: {}'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
319
288
else:
320
289
message = "enabled"
321
self._text = "%s%s" % (base, message)
322
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
292
323
293
if not urwid.supports_unicode():
324
294
self._text = self._text.encode("ascii", "replace")
325
295
textlist = [("normal", self._text)]
337
307
self.update_hook()
338
308
339
309
def update_timer(self):
340
"called by gobject"
310
"""called by gobject. Will indefinitely loop until
311
gobject.source_remove() on tag is called"""
341
312
self.update()
342
313
return True # Keep calling this
343
314
344
def delete(self):
315
def delete(self, **kwargs):
345
316
if self._update_timer_callback_tag is not None:
346
317
gobject.source_remove(self._update_timer_callback_tag)
347
318
self._update_timer_callback_tag = None
319
for match in self.match_objects:
320
match.remove()
321
self.match_objects = ()
348
322
if self.delete_hook is not None:
349
323
self.delete_hook(self)
324
return super(MandosClientWidget, self).delete(**kwargs)
350
325
351
326
def render(self, maxcolrow, focus=False):
352
327
"""Render differently if we have focus.
394
369
else:
395
370
return key
396
371
397
def property_changed(self, property=None, value=None,
398
*args, **kwargs):
399
"""Call self.update() if old value is not new value.
372
def properties_changed(self, interface, properties, invalidated):
373
"""Call self.update() if any properties changed.
400
374
This overrides the method from MandosClientPropertyCache"""
401
property_name = unicode(property)
402
old_value = self.properties.get(property_name)
403
super(MandosClientWidget, self).property_changed(
404
property=property, value=value, *args, **kwargs)
405
if self.properties.get(property_name) != old_value:
375
old_values = { key: self.properties.get(key)
376
for key in properties.keys() }
377
super(MandosClientWidget, self).properties_changed(
378
interface, properties, invalidated)
379
if any(old_values[key] != self.properties.get(key)
380
for key in old_values):
406
381
self.update()
407
382
408
383
411
386
"down" key presses, thus not allowing any containing widgets to
412
387
use them as an excuse to shift focus away from this widget.
413
388
"""
414
def keypress(self, maxcolrow, key):
415
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
389
def keypress(self, *args, **kwargs):
390
ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
416
391
if ret in ("up", "down"):
417
392
return
418
393
return ret
422
397
"""This is the entire user interface - the whole screen
423
398
with boxes, lists of client widgets, etc.
424
399
"""
425
def __init__(self, max_log_length=1000):
400
def __init__(self, max_log_length=1000, log_level=1):
426
401
DBusGMainLoop(set_as_default=True)
427
402
428
403
self.screen = urwid.curses_display.Screen()
431
406
("normal",
432
407
"default", "default", None),
433
408
("bold",
434
"default", "default", "bold"),
409
"bold", "default", "bold"),
435
410
("underline-blink",
436
"default", "default", "underline"),
411
"underline,blink", "default", "underline,blink"),
437
412
("standout",
438
"default", "default", "standout"),
413
"standout", "default", "standout"),
439
414
("bold-underline-blink",
440
"default", "default", ("bold", "underline")),
415
"bold,underline,blink", "default", "bold,underline,blink"),
441
416
("bold-standout",
442
"default", "default", ("bold", "standout")),
417
"bold,standout", "default", "bold,standout"),
443
418
("underline-blink-standout",
444
"default", "default", ("underline", "standout")),
419
"underline,blink,standout", "default",
420
"underline,blink,standout"),
445
421
("bold-underline-blink-standout",
446
"default", "default", ("bold", "underline",
447
"standout")),
422
"bold,underline,blink,standout", "default",
423
"bold,underline,blink,standout"),
448
424
))
449
425
450
426
if urwid.supports_unicode():
465
441
self.log = []
466
442
self.max_log_length = max_log_length
467
443
444
self.log_level = log_level
445
468
446
# We keep a reference to the log widget so we can remove it
469
447
# from the ListWalker without it getting destroyed
470
448
self.logbox = ConstrainedListBox(self.log)
482
460
483
461
self.busname = domain + '.Mandos'
484
462
self.main_loop = gobject.MainLoop()
485
self.bus = dbus.SystemBus()
486
mandos_dbus_objc = self.bus.get_object(
487
self.busname, "/", follow_name_owner_changes=True)
488
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
489
dbus_interface
490
= server_interface)
491
try:
492
mandos_clients = (self.mandos_serv
493
.GetAllClientsWithProperties())
494
except dbus.exceptions.DBusException:
495
mandos_clients = dbus.Dictionary()
496
497
(self.mandos_serv
498
.connect_to_signal("ClientRemoved",
499
self.find_and_remove_client,
500
dbus_interface=server_interface,
501
byte_arrays=True))
502
(self.mandos_serv
503
.connect_to_signal("ClientAdded",
504
self.add_new_client,
505
dbus_interface=server_interface,
506
byte_arrays=True))
507
(self.mandos_serv
508
.connect_to_signal("ClientNotFound",
509
self.client_not_found,
510
dbus_interface=server_interface,
511
byte_arrays=True))
512
for path, client in mandos_clients.iteritems():
513
client_proxy_object = self.bus.get_object(self.busname,
514
path)
515
self.add_client(MandosClientWidget(server_proxy_object
516
=self.mandos_serv,
517
proxy_object
518
=client_proxy_object,
519
properties=client,
520
update_hook
521
=self.refresh,
522
delete_hook
523
=self.remove_client,
524
logger
525
=self.log_message),
526
path=path)
527
463
528
464
def client_not_found(self, fingerprint, address):
529
self.log_message(("Client with address %s and fingerprint %s"
530
" could not be found" % (address,
531
fingerprint)))
465
self.log_message("Client with address {} and fingerprint {}"
466
" could not be found"
467
.format(address, fingerprint))
532
468
533
469
def rebuild(self):
534
470
"""This rebuilds the User Interface.
544
480
self.divider)))
545
481
if self.log_visible:
546
482
self.uilist.append(self.logbox)
547
pass
548
483
self.topwidget = urwid.Pile(self.uilist)
549
484
550
def log_message(self, message):
485
def log_message(self, message, level=1):
486
"""Log message formatted with timestamp"""
487
if level < self.log_level:
488
return
551
489
timestamp = datetime.datetime.now().isoformat()
552
self.log_message_raw(timestamp + ": " + message)
490
self.log_message_raw("{}: {}".format(timestamp, message),
491
level=level)
553
492
554
def log_message_raw(self, markup):
493
def log_message_raw(self, markup, level=1):
555
494
"""Add a log message to the log buffer."""
495
if level < self.log_level:
496
return
556
497
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
557
498
if (self.max_log_length
558
499
and len(self.log) > self.max_log_length):
565
506
"""Toggle visibility of the log buffer."""
566
507
self.log_visible = not self.log_visible
567
508
self.rebuild()
568
#self.log_message("Log visibility changed to: "
569
# + unicode(self.log_visible))
509
self.log_message("Log visibility changed to: {}"
510
.format(self.log_visible), level=0)
570
511
571
512
def change_log_display(self):
572
513
"""Change type of log display.
577
518
self.log_wrap = "clip"
578
519
for textwidget in self.log:
579
520
textwidget.set_wrap_mode(self.log_wrap)
580
#self.log_message("Wrap mode: " + self.log_wrap)
521
self.log_message("Wrap mode: {}".format(self.log_wrap),
522
level=0)
581
523
582
524
def find_and_remove_client(self, path, name):
583
"""Find an client from its object path and remove it.
525
"""Find a client by its object path and remove it.
584
526
585
527
This is connected to the ClientRemoved signal from the
586
528
Mandos server object."""
588
530
client = self.clients_dict[path]
589
531
except KeyError:
590
532
# not found?
533
self.log_message("Unknown client {!r} ({!r}) removed"
534
.format(name, path))
591
535
return
592
self.remove_client(client, path)
536
client.delete()
593
537
594
538
def add_new_client(self, path):
595
539
client_proxy_object = self.bus.get_object(self.busname, path)
610
554
if path is None:
611
555
path = client.proxy.object_path
612
556
self.clients_dict[path] = client
613
self.clients.sort(None, lambda c: c.properties["Name"])
557
self.clients.sort(key=lambda c: c.properties["Name"])
614
558
self.refresh()
615
559
616
560
def remove_client(self, client, path=None):
618
562
if path is None:
619
563
path = client.proxy.object_path
620
564
del self.clients_dict[path]
621
if not self.clients_dict:
622
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
623
# is completely emptied, we need to recreate it.
624
self.clients = urwid.SimpleListWalker([])
625
self.rebuild()
626
565
self.refresh()
627
566
628
567
def refresh(self):
632
571
633
572
def run(self):
634
573
"""Start the main loop and exit when it's done."""
574
self.bus = dbus.SystemBus()
575
mandos_dbus_objc = self.bus.get_object(
576
self.busname, "/", follow_name_owner_changes=True)
577
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
dbus_interface
579
= server_interface)
580
try:
581
mandos_clients = (self.mandos_serv
582
.GetAllClientsWithProperties())
583
if not mandos_clients:
584
self.log_message_raw(("bold", "Note: Server has no clients."))
585
except dbus.exceptions.DBusException:
586
self.log_message_raw(("bold", "Note: No Mandos server running."))
587
mandos_clients = dbus.Dictionary()
588
589
(self.mandos_serv
590
.connect_to_signal("ClientRemoved",
591
self.find_and_remove_client,
592
dbus_interface=server_interface,
593
byte_arrays=True))
594
(self.mandos_serv
595
.connect_to_signal("ClientAdded",
596
self.add_new_client,
597
dbus_interface=server_interface,
598
byte_arrays=True))
599
(self.mandos_serv
600
.connect_to_signal("ClientNotFound",
601
self.client_not_found,
602
dbus_interface=server_interface,
603
byte_arrays=True))
604
for path, client in mandos_clients.items():
605
client_proxy_object = self.bus.get_object(self.busname,
606
path)
607
self.add_client(MandosClientWidget(server_proxy_object
608
=self.mandos_serv,
609
proxy_object
610
=client_proxy_object,
611
properties=client,
612
update_hook
613
=self.refresh,
614
delete_hook
615
=self.remove_client,
616
logger
617
=self.log_message),
618
path=path)
619
635
620
self.refresh()
636
621
self._input_callback_tag = (gobject.io_add_watch
637
622
(sys.stdin.fileno(),
669
654
elif key == "window resize":
670
655
self.size = self.screen.get_cols_rows()
671
656
self.refresh()
672
elif key == "\f": # Ctrl-L
657
elif key == "ctrl l":
658
self.screen.clear()
673
659
self.refresh()
674
660
elif key == "l" or key == "D":
675
661
self.toggle_log_display()
687
673
"?: Help",
688
674
"l: Log window toggle",
689
675
"TAB: Switch window",
690
"w: Wrap (log)"))))
676
"w: Wrap (log lines)",
677
"v: Toggle verbose log",
678
))))
691
679
self.log_message_raw(("bold",
692
680
" "
693
681
.join(("Clients:",
706
694
else:
707
695
self.topwidget.set_focus(self.logbox)
708
696
self.refresh()
697
elif key == "v":
698
if self.log_level == 0:
699
self.log_level = 1
700
self.log_message("Verbose mode: Off")
701
else:
702
self.log_level = 0
703
self.log_message("Verbose mode: On")
709
704
#elif (key == "end" or key == "meta >" or key == "G"
710
705
# or key == ">"):
711
706
# pass # xxx end-of-buffer
734
729
ui.run()
735
730
except KeyboardInterrupt:
736
731
ui.screen.stop()
737
except Exception, e:
738
ui.log_message(unicode(e))
732
except Exception as e:
733
ui.log_message(str(e))
739
734
ui.screen.stop()
740
735
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0