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- Committer: Teddy Hogeborn
- Date: 2014-06-07 22:37:22 UTC
- mto: (237.7.272 trunk)
- mto: This revision was merged to the branch mainline in revision 317.
- Revision ID: teddy@recompile.se-20140607223722-55qmdr3n9x39pvx4
Make mandos-client use fstatat().
* plugins.d/mandos-client.d (runnable_hook): Use fstatat().
* plugins.d/mandos-client.d (runnable_hook): Use fstatat().
- files added:
- debian/mandos-client.examples
- debian/upstream
- network-hooks.d
- 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 © 2009-2014 Teddy Hogeborn
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# Copyright © 2009-2014 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[0] == 2:
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str = unicode
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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 = "1.2.3"
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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 = "1.6.5"
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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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"""
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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()
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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("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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if properties is None:
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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, value):
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"""Helper which takes positional arguments"""
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return self.property_changed(property=property, value=value)
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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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"""
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# Update properties dict with new value
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self.properties[property] = value
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def delete(self):
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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):
123
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"])
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if last_checked_ok is None:
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self.last_checker_failed = True
143
else:
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self.last_checker_failed = ((datetime.datetime.utcnow()
145
- last_checked_ok)
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> datetime.timedelta
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(milliseconds=
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self.properties
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["Interval"]))
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if self.last_checker_failed:
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self.using_timer(True)
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if self.need_approval:
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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)
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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)
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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,
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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.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),
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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,
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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 {0}'
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# .format(self.properties["Name"]))
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def property_changed(self, property=None, value=None):
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super(self, MandosClientWidget).property_changed(property,
180
value)
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if property == "ApprovalPending":
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using_timer(bool(value))
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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
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if flag:
190
self._update_timer_callback_lock += 1
191
else:
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self._update_timer_callback_lock -= 1
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if old == 0 and self._update_timer_callback_lock:
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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:
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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):
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if exitstatus == 0:
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if self.last_checker_failed:
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self.last_checker_failed = False
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self.using_timer(False)
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#self.logger('Checker for client %s (command "%s")'
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# ' was successful'
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# % (self.properties["Name"], command))
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self.update()
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return
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# Checker failed
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if not self.last_checker_failed:
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self.last_checker_failed = True
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self.using_timer(True)
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if os.WIFEXITED(condition):
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self.logger('Checker for client %s (command "%s")'
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' failed with exit code %s'
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% (self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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self.logger('Checker for client {0} (command "{1}")'
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' failed with exit code {2}'
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.format(self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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elif os.WIFSIGNALED(condition):
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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)))
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self.logger('Checker for client {0} (command "{1}") was'
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' killed by signal {2}'
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.format(self.properties["Name"], command,
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os.WTERMSIG(condition)))
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elif os.WCOREDUMP(condition):
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self.logger('Checker for client %s (command "%s")'
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self.logger('Checker for client {0} (command "{1}")'
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' dumped core'
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% (self.properties["Name"], command))
198
.format(self.properties["Name"], command))
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199
else:
230
self.logger('Checker for client %s completed'
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' mysteriously')
200
self.logger('Checker for client {0} completed'
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' mysteriously'
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.format(self.properties["Name"]))
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self.update()
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def checker_started(self, command):
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#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
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"""Server signals that a checker started. This could be useful
207
to log in the future. """
208
#self.logger('Client {0} started checker "{1}"'
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# .format(self.properties["Name"],
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# str(command)))
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pass
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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"])
214
self.logger('Client {0} received its secret'
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.format(self.properties["Name"]))
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def need_approval(self, timeout, default):
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if not default:
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message = 'Client %s needs approval within %s seconds'
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message = 'Client {0} needs approval within {1} seconds'
247
220
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)
221
message = 'Client {0} will get its secret in {1} seconds'
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self.logger(message.format(self.properties["Name"],
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timeout/1000))
252
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def rejected(self, reason):
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
226
self.logger('Client {0} was rejected; reason: {1}'
227
.format(self.properties["Name"], reason))
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def selectable(self):
258
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"""Make this a "selectable" widget.
280
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"bold-underline-blink":
281
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"bold-underline-blink-standout",
282
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}
283
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# Rebuild focus and non-focus widgets using current properties
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# Base part of a client. Name!
287
base = ('%(name)s: '
288
% {"name": self.properties["Name"]})
259
base = '{name}: '.format(name=self.properties["Name"])
289
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if not self.properties["Enabled"]:
290
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message = "DISABLED"
262
self.using_timer(False)
291
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elif self.properties["ApprovalPending"]:
292
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timeout = datetime.timedelta(milliseconds
293
265
= self.properties
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last_approval_request = isoformat_to_datetime(
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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)
270
timer = max(timeout - (datetime.datetime.utcnow()
271
- last_approval_request),
272
datetime.timedelta())
300
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else:
301
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timer = datetime.timedelta()
302
275
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)
276
message = "Approval in {0}. (d)eny?"
277
else:
278
message = "Denial in {0}. (a)pprove?"
279
message = message.format(str(timer).rsplit(".", 1)[0])
280
self.using_timer(True)
281
elif self.properties["LastCheckerStatus"] != 0:
282
# When checker has failed, show timer until client expires
283
expires = self.properties["Expires"]
284
if expires == "":
285
timer = datetime.timedelta(0)
286
else:
287
expires = (datetime.datetime.strptime
288
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
289
timer = max(expires - datetime.datetime.utcnow(),
290
datetime.timedelta())
316
291
message = ('A checker has failed! Time until client'
317
' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
292
' gets disabled: {0}'
293
.format(str(timer).rsplit(".", 1)[0]))
294
self.using_timer(True)
319
295
else:
320
296
message = "enabled"
321
self._text = "%s%s" % (base, message)
322
297
self.using_timer(False)
298
self._text = "{0}{1}".format(base, message)
299
323
300
if not urwid.supports_unicode():
324
301
self._text = self._text.encode("ascii", "replace")
325
302
textlist = [("normal", self._text)]
337
314
self.update_hook()
338
315
339
316
def update_timer(self):
340
"called by gobject"
317
"""called by gobject. Will indefinitely loop until
318
gobject.source_remove() on tag is called"""
341
319
self.update()
342
320
return True # Keep calling this
343
321
344
def delete(self):
322
def delete(self, **kwargs):
345
323
if self._update_timer_callback_tag is not None:
346
324
gobject.source_remove(self._update_timer_callback_tag)
347
325
self._update_timer_callback_tag = None
326
for match in self.match_objects:
327
match.remove()
328
self.match_objects = ()
348
329
if self.delete_hook is not None:
349
330
self.delete_hook(self)
331
return super(MandosClientWidget, self).delete(**kwargs)
350
332
351
333
def render(self, maxcolrow, focus=False):
352
334
"""Render differently if we have focus.
358
340
"""Handle keys.
359
341
This overrides the method from urwid.FlowWidget"""
360
342
if key == "+":
361
self.proxy.Enable(dbus_interface = client_interface)
343
self.proxy.Enable(dbus_interface = client_interface,
344
ignore_reply=True)
362
345
elif key == "-":
363
self.proxy.Disable(dbus_interface = client_interface)
346
self.proxy.Disable(dbus_interface = client_interface,
347
ignore_reply=True)
364
348
elif key == "a":
365
349
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
366
dbus_interface = client_interface)
350
dbus_interface = client_interface,
351
ignore_reply=True)
367
352
elif key == "d":
368
353
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
369
dbus_interface = client_interface)
354
dbus_interface = client_interface,
355
ignore_reply=True)
370
356
elif key == "R" or key == "_" or key == "ctrl k":
371
357
self.server_proxy_object.RemoveClient(self.proxy
372
.object_path)
358
.object_path,
359
ignore_reply=True)
373
360
elif key == "s":
374
self.proxy.StartChecker(dbus_interface = client_interface)
361
self.proxy.StartChecker(dbus_interface = client_interface,
362
ignore_reply=True)
375
363
elif key == "S":
376
self.proxy.StopChecker(dbus_interface = client_interface)
364
self.proxy.StopChecker(dbus_interface = client_interface,
365
ignore_reply=True)
377
366
elif key == "C":
378
self.proxy.CheckedOK(dbus_interface = client_interface)
367
self.proxy.CheckedOK(dbus_interface = client_interface,
368
ignore_reply=True)
379
369
# xxx
380
370
# elif key == "p" or key == "=":
381
371
# self.proxy.pause()
386
376
else:
387
377
return key
388
378
389
def property_changed(self, property=None, value=None,
390
*args, **kwargs):
379
def property_changed(self, property=None, **kwargs):
391
380
"""Call self.update() if old value is not new value.
392
381
This overrides the method from MandosClientPropertyCache"""
393
property_name = unicode(property)
382
property_name = str(property)
394
383
old_value = self.properties.get(property_name)
395
384
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
385
property=property, **kwargs)
397
386
if self.properties.get(property_name) != old_value:
398
387
self.update()
399
388
403
392
"down" key presses, thus not allowing any containing widgets to
404
393
use them as an excuse to shift focus away from this widget.
405
394
"""
406
def keypress(self, maxcolrow, key):
407
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
395
def keypress(self, *args, **kwargs):
396
ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
408
397
if ret in ("up", "down"):
409
398
return
410
399
return ret
423
412
("normal",
424
413
"default", "default", None),
425
414
("bold",
426
"default", "default", "bold"),
415
"bold", "default", "bold"),
427
416
("underline-blink",
428
"default", "default", "underline"),
417
"underline,blink", "default", "underline,blink"),
429
418
("standout",
430
"default", "default", "standout"),
419
"standout", "default", "standout"),
431
420
("bold-underline-blink",
432
"default", "default", ("bold", "underline")),
421
"bold,underline,blink", "default", "bold,underline,blink"),
433
422
("bold-standout",
434
"default", "default", ("bold", "standout")),
423
"bold,standout", "default", "bold,standout"),
435
424
("underline-blink-standout",
436
"default", "default", ("underline", "standout")),
425
"underline,blink,standout", "default",
426
"underline,blink,standout"),
437
427
("bold-underline-blink-standout",
438
"default", "default", ("bold", "underline",
439
"standout")),
428
"bold,underline,blink,standout", "default",
429
"bold,underline,blink,standout"),
440
430
))
441
431
442
432
if urwid.supports_unicode():
474
464
475
465
self.busname = domain + '.Mandos'
476
466
self.main_loop = gobject.MainLoop()
477
self.bus = dbus.SystemBus()
478
mandos_dbus_objc = self.bus.get_object(
479
self.busname, "/", follow_name_owner_changes=True)
480
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
481
dbus_interface
482
= server_interface)
483
try:
484
mandos_clients = (self.mandos_serv
485
.GetAllClientsWithProperties())
486
except dbus.exceptions.DBusException:
487
mandos_clients = dbus.Dictionary()
488
489
(self.mandos_serv
490
.connect_to_signal("ClientRemoved",
491
self.find_and_remove_client,
492
dbus_interface=server_interface,
493
byte_arrays=True))
494
(self.mandos_serv
495
.connect_to_signal("ClientAdded",
496
self.add_new_client,
497
dbus_interface=server_interface,
498
byte_arrays=True))
499
(self.mandos_serv
500
.connect_to_signal("ClientNotFound",
501
self.client_not_found,
502
dbus_interface=server_interface,
503
byte_arrays=True))
504
for path, client in mandos_clients.iteritems():
505
client_proxy_object = self.bus.get_object(self.busname,
506
path)
507
self.add_client(MandosClientWidget(server_proxy_object
508
=self.mandos_serv,
509
proxy_object
510
=client_proxy_object,
511
properties=client,
512
update_hook
513
=self.refresh,
514
delete_hook
515
=self.remove_client,
516
logger
517
=self.log_message),
518
path=path)
519
467
520
468
def client_not_found(self, fingerprint, address):
521
self.log_message(("Client with address %s and fingerprint %s"
522
" could not be found" % (address,
523
fingerprint)))
469
self.log_message("Client with address {0} and fingerprint"
470
" {1} could not be found"
471
.format(address, fingerprint))
524
472
525
473
def rebuild(self):
526
474
"""This rebuilds the User Interface.
536
484
self.divider)))
537
485
if self.log_visible:
538
486
self.uilist.append(self.logbox)
539
pass
540
487
self.topwidget = urwid.Pile(self.uilist)
541
488
542
489
def log_message(self, message):
490
"""Log message formatted with timestamp"""
543
491
timestamp = datetime.datetime.now().isoformat()
544
492
self.log_message_raw(timestamp + ": " + message)
545
493
558
506
self.log_visible = not self.log_visible
559
507
self.rebuild()
560
508
#self.log_message("Log visibility changed to: "
561
# + unicode(self.log_visible))
509
# + str(self.log_visible))
562
510
563
511
def change_log_display(self):
564
512
"""Change type of log display.
572
520
#self.log_message("Wrap mode: " + self.log_wrap)
573
521
574
522
def find_and_remove_client(self, path, name):
575
"""Find an client from its object path and remove it.
523
"""Find a client by its object path and remove it.
576
524
577
525
This is connected to the ClientRemoved signal from the
578
526
Mandos server object."""
580
528
client = self.clients_dict[path]
581
529
except KeyError:
582
530
# not found?
531
self.log_message("Unknown client {0!r} ({1!r}) removed"
532
.format(name, path))
583
533
return
584
self.remove_client(client, path)
534
client.delete()
585
535
586
536
def add_new_client(self, path):
587
537
client_proxy_object = self.bus.get_object(self.busname, path)
602
552
if path is None:
603
553
path = client.proxy.object_path
604
554
self.clients_dict[path] = client
605
self.clients.sort(None, lambda c: c.properties["Name"])
555
self.clients.sort(key=lambda c: c.properties["Name"])
606
556
self.refresh()
607
557
608
558
def remove_client(self, client, path=None):
610
560
if path is None:
611
561
path = client.proxy.object_path
612
562
del self.clients_dict[path]
613
if not self.clients_dict:
614
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
615
# is completely emptied, we need to recreate it.
616
self.clients = urwid.SimpleListWalker([])
617
self.rebuild()
618
563
self.refresh()
619
564
620
565
def refresh(self):
624
569
625
570
def run(self):
626
571
"""Start the main loop and exit when it's done."""
572
self.bus = dbus.SystemBus()
573
mandos_dbus_objc = self.bus.get_object(
574
self.busname, "/", follow_name_owner_changes=True)
575
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
576
dbus_interface
577
= server_interface)
578
try:
579
mandos_clients = (self.mandos_serv
580
.GetAllClientsWithProperties())
581
if not mandos_clients:
582
self.log_message_raw(("bold", "Note: Server has no clients."))
583
except dbus.exceptions.DBusException:
584
self.log_message_raw(("bold", "Note: No Mandos server running."))
585
mandos_clients = dbus.Dictionary()
586
587
(self.mandos_serv
588
.connect_to_signal("ClientRemoved",
589
self.find_and_remove_client,
590
dbus_interface=server_interface,
591
byte_arrays=True))
592
(self.mandos_serv
593
.connect_to_signal("ClientAdded",
594
self.add_new_client,
595
dbus_interface=server_interface,
596
byte_arrays=True))
597
(self.mandos_serv
598
.connect_to_signal("ClientNotFound",
599
self.client_not_found,
600
dbus_interface=server_interface,
601
byte_arrays=True))
602
for path, client in mandos_clients.items():
603
client_proxy_object = self.bus.get_object(self.busname,
604
path)
605
self.add_client(MandosClientWidget(server_proxy_object
606
=self.mandos_serv,
607
proxy_object
608
=client_proxy_object,
609
properties=client,
610
update_hook
611
=self.refresh,
612
delete_hook
613
=self.remove_client,
614
logger
615
=self.log_message),
616
path=path)
617
627
618
self.refresh()
628
619
self._input_callback_tag = (gobject.io_add_watch
629
620
(sys.stdin.fileno(),
726
717
ui.run()
727
718
except KeyboardInterrupt:
728
719
ui.screen.stop()
729
except Exception, e:
730
ui.log_message(unicode(e))
720
except Exception as e:
721
ui.log_message(str(e))
731
722
ui.screen.stop()
732
723
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0