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- Committer: teddy at recompile
- Date: 2020-02-08 14:01:38 UTC
- mto: This revision was merged to the branch mainline in revision 396.
- Revision ID: teddy@recompile.se-20200208140138-h3ett0amdelfpt90
mandos: If possible, use shlex.quote() instead of re.escape()
* mandos: Make sure shlex.quote() exists (falling back to assigning
re.escape to it).
(Client.start_checker): Use shlex.quote() instead of re.escape().
* mandos: Make sure shlex.quote() exists (falling back to assigning
re.escape to it).
(Client.start_checker): Use shlex.quote() instead of re.escape().
- files added:
- bugs.xml
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files removed:
- initramfs-tools-hook-conf
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python
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#!/usr/bin/python3 -bbI
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# -*- mode: python; coding: utf-8 -*-
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#
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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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#
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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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#
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# Copyright © 2009-2019 Teddy Hogeborn
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# Copyright © 2009-2019 Björn Påhlsson
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#
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# This file is part of Mandos.
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#
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# Mandos is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# 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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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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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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#
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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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#
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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#
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# Contact the authors at <mandos@recompile.se>.
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#
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#
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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 warnings
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import datetime
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import locale
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import logging
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import urwid.curses_display
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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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from gi.repository import GLib
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import dbus
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import UserList
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import locale
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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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if sys.version_info.major == 2:
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__metaclass__ = type
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str = unicode
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log = logging.getLogger(os.path.basename(sys.argv[0]))
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logging.basicConfig(level="NOTSET", # Show all messages
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format="%(message)s") # Show basic log messages
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logging.captureWarnings(True) # Show warnings via the logging system
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locale.setlocale(locale.LC_ALL, "")
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
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# Some useful constants
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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 = "1.4.1"
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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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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 = "1.8.9"
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try:
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dbus.OBJECT_MANAGER_IFACE
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except AttributeError:
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dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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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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int(day),
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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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class MandosClientPropertyCache(object):
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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class MandosClientPropertyCache:
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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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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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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
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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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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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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 breaks 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
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It updates the changed property in the "properties" dict.
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if properties is None:
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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)
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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.
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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, *args, **kwargs):
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if interface == client_interface:
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self.properties.update(properties)
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def delete(self):
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self.property_changed_match.remove()
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super(MandosClientPropertyCache, self).__init__(
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*args, **kwargs)
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, logger=None, *args, **kwargs):
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delete_hook=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.delete_hook = delete_hook
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# Mandos Server proxy object
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self.server_proxy_object = server_proxy_object
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# Logger
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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
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["LastCheckedOK"])
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if last_checked_ok is None:
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self.last_checker_failed = True
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else:
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self.last_checker_failed = ((datetime.datetime.utcnow()
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- 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.match_objects = (
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self.proxy.connect_to_signal("CheckerCompleted",
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self.checker_completed,
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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 %s' % (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,
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value)
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if property == "ApprovalPending":
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using_timer(bool(value))
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log.debug("Created client %s", self.properties["Name"])
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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:
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self._update_timer_callback_lock += 1
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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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gobject.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = (
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GLib.timeout_add(1000,
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glib_safely(self.update_timer)))
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elif not (flag or self._update_timer_callback_tag is None):
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GLib.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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log.debug('Checker for client %s (command "%s")'
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" succeeded", 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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log.info('Checker for client %s (command "%s") failed'
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" with exit code %d", self.properties["Name"],
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command, 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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elif os.WCOREDUMP(condition):
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self.logger('Checker for client %s (command "%s")'
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' dumped core'
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% (self.properties["Name"], command))
239
else:
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self.logger('Checker for client %s completed'
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' mysteriously')
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log.info('Checker for client %s (command "%s") was'
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" killed by signal %d", self.properties["Name"],
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command, os.WTERMSIG(condition))
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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"'
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# % (self.properties["Name"], unicode(command)))
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pass
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"""Server signals that a checker started."""
203
log.debug('Client %s started checker "%s"',
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self.properties["Name"], command)
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def got_secret(self):
250
self.last_checker_failed = False
251
self.logger('Client %s received its secret'
252
% self.properties["Name"])
253
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log.info("Client %s received its secret",
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self.properties["Name"])
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254
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def need_approval(self, timeout, default):
255
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if not default:
256
message = 'Client %s needs approval within %s seconds'
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message = "Client %s needs approval within %f seconds"
257
213
else:
258
message = 'Client %s will get its secret in %s seconds'
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self.logger(message
260
% (self.properties["Name"], timeout/1000))
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self.using_timer(True)
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message = "Client %s will get its secret in %f seconds"
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log.info(message, self.properties["Name"], timeout/1000)
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def rejected(self, reason):
264
self.logger('Client %s was rejected; reason: %s'
265
% (self.properties["Name"], reason))
266
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log.info("Client %s was rejected; reason: %s",
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self.properties["Name"], reason)
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def selectable(self):
268
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"""Make this a "selectable" widget.
269
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This overrides the method from urwid.FlowWidget."""
270
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return True
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def rows(self, maxcolrow, focus=False):
273
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"""How many rows this widget will occupy might depend on
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whether we have focus or not.
275
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This overrides the method from urwid.FlowWidget"""
276
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
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def current_widget(self, focus=False):
279
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if focus or self.opened:
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return self._focus_widget
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return self._widget
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def update(self):
284
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"Called when what is visible on the screen should be updated."
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# How to add standout mode to a style
286
with_standout = { "normal": "standout",
287
"bold": "bold-standout",
288
"underline-blink":
289
"underline-blink-standout",
290
"bold-underline-blink":
291
"bold-underline-blink-standout",
292
}
240
with_standout = {"normal": "standout",
241
"bold": "bold-standout",
242
"underline-blink":
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"underline-blink-standout",
244
"bold-underline-blink":
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"bold-underline-blink-standout",
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}
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# Rebuild focus and non-focus widgets using current properties
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# Base part of a client. Name!
297
base = ('%(name)s: '
298
% {"name": self.properties["Name"]})
251
base = "{name}: ".format(name=self.properties["Name"])
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if not self.properties["Enabled"]:
300
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message = "DISABLED"
254
self.using_timer(False)
301
255
elif self.properties["ApprovalPending"]:
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timeout = datetime.timedelta(milliseconds
303
= self.properties
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["ApprovalDelay"])
256
timeout = datetime.timedelta(
257
milliseconds=self.properties["ApprovalDelay"])
305
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last_approval_request = isoformat_to_datetime(
306
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self.properties["LastApprovalRequest"])
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if last_approval_request is not None:
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
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timer = max(timeout - (datetime.datetime.utcnow()
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- last_approval_request),
263
datetime.timedelta())
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else:
311
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timer = datetime.timedelta()
312
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if self.properties["ApprovedByDefault"]:
313
message = "Approval in %s. (d)eny?"
267
message = "Approval in {}. (d)eny?"
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268
else:
315
message = "Denial in %s. (a)pprove?"
316
message = message % unicode(timer).rsplit(".", 1)[0]
317
elif self.last_checker_failed:
318
# When checker has failed, print a timer until client expires
269
message = "Denial in {}. (a)pprove?"
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message = message.format(str(timer).rsplit(".", 1)[0])
271
self.using_timer(True)
272
elif self.properties["LastCheckerStatus"] != 0:
273
# When checker has failed, show timer until client expires
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expires = self.properties["Expires"]
320
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if expires == "":
321
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timer = datetime.timedelta(0)
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else:
323
expires = datetime.datetime.strptime(expires,
324
'%Y-%m-%dT%H:%M:%S.%f')
325
timer = expires - datetime.datetime.utcnow()
326
message = ('A checker has failed! Time until client'
327
' gets disabled: %s'
328
% unicode(timer).rsplit(".", 1)[0])
278
expires = (datetime.datetime.strptime
279
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
280
timer = max(expires - datetime.datetime.utcnow(),
281
datetime.timedelta())
282
message = ("A checker has failed! Time until client"
283
" gets disabled: {}"
284
.format(str(timer).rsplit(".", 1)[0]))
285
self.using_timer(True)
329
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else:
330
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message = "enabled"
331
self._text = "%s%s" % (base, message)
332
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self.using_timer(False)
289
self._text = "{}{}".format(base, message)
290
333
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if not urwid.supports_unicode():
334
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self._text = self._text.encode("ascii", "replace")
335
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textlist = [("normal", self._text)]
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# Run update hook, if any
346
304
if self.update_hook is not None:
347
305
self.update_hook()
348
306
349
307
def update_timer(self):
350
"""called by gobject. Will indefinitely loop until
351
gobject.source_remove() on tag is called"""
308
"""called by GLib. Will indefinitely loop until
309
GLib.source_remove() on tag is called
310
"""
352
311
self.update()
353
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return True # Keep calling this
354
355
def delete(self, *args, **kwargs):
313
314
def delete(self, **kwargs):
356
315
if self._update_timer_callback_tag is not None:
357
gobject.source_remove(self._update_timer_callback_tag)
316
GLib.source_remove(self._update_timer_callback_tag)
358
317
self._update_timer_callback_tag = None
359
318
for match in self.match_objects:
360
319
match.remove()
361
320
self.match_objects = ()
362
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if self.delete_hook is not None:
363
322
self.delete_hook(self)
364
return super(MandosClientWidget, self).delete(*args, **kwargs)
365
323
return super(MandosClientWidget, self).delete(**kwargs)
324
366
325
def render(self, maxcolrow, focus=False):
367
326
"""Render differently if we have focus.
368
327
This overrides the method from urwid.FlowWidget"""
369
328
return self.current_widget(focus).render(maxcolrow,
370
329
focus=focus)
371
330
372
331
def keypress(self, maxcolrow, key):
373
332
"""Handle keys.
374
333
This overrides the method from urwid.FlowWidget"""
375
334
if key == "+":
376
self.proxy.Enable(dbus_interface = client_interface,
377
ignore_reply=True)
335
self.proxy.Set(client_interface, "Enabled",
336
dbus.Boolean(True), ignore_reply=True,
337
dbus_interface=dbus.PROPERTIES_IFACE)
378
338
elif key == "-":
379
self.proxy.Disable(dbus_interface = client_interface,
380
ignore_reply=True)
339
self.proxy.Set(client_interface, "Enabled", False,
340
ignore_reply=True,
341
dbus_interface=dbus.PROPERTIES_IFACE)
381
342
elif key == "a":
382
343
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
383
dbus_interface = client_interface,
344
dbus_interface=client_interface,
384
345
ignore_reply=True)
385
346
elif key == "d":
386
347
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
387
dbus_interface = client_interface,
348
dbus_interface=client_interface,
388
349
ignore_reply=True)
389
350
elif key == "R" or key == "_" or key == "ctrl k":
390
351
self.server_proxy_object.RemoveClient(self.proxy
391
352
.object_path,
392
353
ignore_reply=True)
393
354
elif key == "s":
394
self.proxy.StartChecker(dbus_interface = client_interface,
395
ignore_reply=True)
355
self.proxy.Set(client_interface, "CheckerRunning",
356
dbus.Boolean(True), ignore_reply=True,
357
dbus_interface=dbus.PROPERTIES_IFACE)
396
358
elif key == "S":
397
self.proxy.StopChecker(dbus_interface = client_interface,
398
ignore_reply=True)
359
self.proxy.Set(client_interface, "CheckerRunning",
360
dbus.Boolean(False), ignore_reply=True,
361
dbus_interface=dbus.PROPERTIES_IFACE)
399
362
elif key == "C":
400
self.proxy.CheckedOK(dbus_interface = client_interface,
363
self.proxy.CheckedOK(dbus_interface=client_interface,
401
364
ignore_reply=True)
402
365
# xxx
403
366
# elif key == "p" or key == "=":
408
371
# self.open()
409
372
else:
410
373
return key
411
412
def property_changed(self, property=None, value=None,
413
*args, **kwargs):
414
"""Call self.update() if old value is not new value.
374
375
def properties_changed(self, interface, properties, invalidated):
376
"""Call self.update() if any properties changed.
415
377
This overrides the method from MandosClientPropertyCache"""
416
property_name = unicode(property)
417
old_value = self.properties.get(property_name)
418
super(MandosClientWidget, self).property_changed(
419
property=property, value=value, *args, **kwargs)
420
if self.properties.get(property_name) != old_value:
378
old_values = {key: self.properties.get(key)
379
for key in properties.keys()}
380
super(MandosClientWidget, self).properties_changed(
381
interface, properties, invalidated)
382
if any(old_values[key] != self.properties.get(key)
383
for key in old_values):
421
384
self.update()
422
385
423
386
387
def glib_safely(func, retval=True):
388
def safe_func(*args, **kwargs):
389
try:
390
return func(*args, **kwargs)
391
except Exception:
392
log.exception("")
393
return retval
394
return safe_func
395
396
424
397
class ConstrainedListBox(urwid.ListBox):
425
398
"""Like a normal urwid.ListBox, but will consume all "up" or
426
399
"down" key presses, thus not allowing any containing widgets to
427
400
use them as an excuse to shift focus away from this widget.
428
401
"""
429
def keypress(self, maxcolrow, key):
430
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
402
def keypress(self, *args, **kwargs):
403
ret = (super(ConstrainedListBox, self)
404
.keypress(*args, **kwargs))
431
405
if ret in ("up", "down"):
432
406
return
433
407
return ret
434
408
435
409
436
class UserInterface(object):
410
class UserInterface:
437
411
"""This is the entire user interface - the whole screen
438
412
with boxes, lists of client widgets, etc.
439
413
"""
440
414
def __init__(self, max_log_length=1000):
441
415
DBusGMainLoop(set_as_default=True)
442
416
443
417
self.screen = urwid.curses_display.Screen()
444
418
445
419
self.screen.register_palette((
446
420
("normal",
447
421
"default", "default", None),
448
422
("bold",
449
"default", "default", "bold"),
423
"bold", "default", "bold"),
450
424
("underline-blink",
451
"default", "default", "underline"),
425
"underline,blink", "default", "underline,blink"),
452
426
("standout",
453
"default", "default", "standout"),
427
"standout", "default", "standout"),
454
428
("bold-underline-blink",
455
"default", "default", ("bold", "underline")),
429
"bold,underline,blink", "default",
430
"bold,underline,blink"),
456
431
("bold-standout",
457
"default", "default", ("bold", "standout")),
432
"bold,standout", "default", "bold,standout"),
458
433
("underline-blink-standout",
459
"default", "default", ("underline", "standout")),
434
"underline,blink,standout", "default",
435
"underline,blink,standout"),
460
436
("bold-underline-blink-standout",
461
"default", "default", ("bold", "underline",
462
"standout")),
437
"bold,underline,blink,standout", "default",
438
"bold,underline,blink,standout"),
463
439
))
464
440
465
441
if urwid.supports_unicode():
466
self.divider = "─" # \u2500
467
#self.divider = "━" # \u2501
442
self.divider = "─" # \u2500
468
443
else:
469
#self.divider = "-" # \u002d
470
self.divider = "_" # \u005f
471
444
self.divider = "_" # \u005f
445
472
446
self.screen.start()
473
447
474
448
self.size = self.screen.get_cols_rows()
475
449
476
450
self.clients = urwid.SimpleListWalker([])
477
451
self.clients_dict = {}
478
452
479
453
# We will add Text widgets to this list
480
self.log = []
454
self.log = urwid.SimpleListWalker([])
481
455
self.max_log_length = max_log_length
482
456
483
457
# We keep a reference to the log widget so we can remove it
484
458
# from the ListWalker without it getting destroyed
485
459
self.logbox = ConstrainedListBox(self.log)
486
460
487
461
# This keeps track of whether self.uilist currently has
488
462
# self.logbox in it or not
489
463
self.log_visible = True
490
464
self.log_wrap = "any"
491
465
466
self.loghandler = UILogHandler(self)
467
492
468
self.rebuild()
493
self.log_message_raw(("bold",
494
"Mandos Monitor version " + version))
495
self.log_message_raw(("bold",
496
"q: Quit ?: Help"))
497
498
self.busname = domain + '.Mandos'
499
self.main_loop = gobject.MainLoop()
500
self.bus = dbus.SystemBus()
501
mandos_dbus_objc = self.bus.get_object(
502
self.busname, "/", follow_name_owner_changes=True)
503
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
504
dbus_interface
505
= server_interface)
506
try:
507
mandos_clients = (self.mandos_serv
508
.GetAllClientsWithProperties())
509
except dbus.exceptions.DBusException:
510
mandos_clients = dbus.Dictionary()
511
512
(self.mandos_serv
513
.connect_to_signal("ClientRemoved",
514
self.find_and_remove_client,
515
dbus_interface=server_interface,
516
byte_arrays=True))
517
(self.mandos_serv
518
.connect_to_signal("ClientAdded",
519
self.add_new_client,
520
dbus_interface=server_interface,
521
byte_arrays=True))
522
(self.mandos_serv
523
.connect_to_signal("ClientNotFound",
524
self.client_not_found,
525
dbus_interface=server_interface,
526
byte_arrays=True))
527
for path, client in mandos_clients.iteritems():
528
client_proxy_object = self.bus.get_object(self.busname,
529
path)
530
self.add_client(MandosClientWidget(server_proxy_object
531
=self.mandos_serv,
532
proxy_object
533
=client_proxy_object,
534
properties=client,
535
update_hook
536
=self.refresh,
537
delete_hook
538
=self.remove_client,
539
logger
540
=self.log_message),
541
path=path)
542
543
def client_not_found(self, fingerprint, address):
544
self.log_message(("Client with address %s and fingerprint %s"
545
" could not be found" % (address,
546
fingerprint)))
547
469
self.add_log_line(("bold",
470
"Mandos Monitor version " + version))
471
self.add_log_line(("bold", "q: Quit ?: Help"))
472
473
self.busname = domain + ".Mandos"
474
self.main_loop = GLib.MainLoop()
475
476
def client_not_found(self, key_id, address):
477
log.info("Client with address %s and key ID %s could"
478
" not be found", address, key_id)
479
548
480
def rebuild(self):
549
481
"""This rebuilds the User Interface.
550
482
Call this when the widget layout needs to change"""
551
483
self.uilist = []
552
#self.uilist.append(urwid.ListBox(self.clients))
484
# self.uilist.append(urwid.ListBox(self.clients))
553
485
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
554
486
clients),
555
#header=urwid.Divider(),
487
# header=urwid.Divider(),
556
488
header=None,
557
footer=
558
urwid.Divider(div_char=
559
self.divider)))
489
footer=urwid.Divider(
490
div_char=self.divider)))
560
491
if self.log_visible:
561
492
self.uilist.append(self.logbox)
562
pass
563
493
self.topwidget = urwid.Pile(self.uilist)
564
565
def log_message(self, message):
566
timestamp = datetime.datetime.now().isoformat()
567
self.log_message_raw(timestamp + ": " + message)
568
569
def log_message_raw(self, markup):
570
"""Add a log message to the log buffer."""
494
495
def add_log_line(self, markup):
571
496
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
572
if (self.max_log_length
573
and len(self.log) > self.max_log_length):
574
del self.log[0:len(self.log)-self.max_log_length-1]
575
self.logbox.set_focus(len(self.logbox.body.contents),
497
if self.max_log_length:
498
if len(self.log) > self.max_log_length:
499
del self.log[0:(len(self.log) - self.max_log_length)]
500
self.logbox.set_focus(len(self.logbox.body.contents)-1,
576
501
coming_from="above")
577
502
self.refresh()
578
503
579
504
def toggle_log_display(self):
580
505
"""Toggle visibility of the log buffer."""
581
506
self.log_visible = not self.log_visible
582
507
self.rebuild()
583
#self.log_message("Log visibility changed to: "
584
# + unicode(self.log_visible))
585
508
log.debug("Log visibility changed to: %s", self.log_visible)
509
586
510
def change_log_display(self):
587
511
"""Change type of log display.
588
512
Currently, this toggles wrapping of text lines."""
592
516
self.log_wrap = "clip"
593
517
for textwidget in self.log:
594
518
textwidget.set_wrap_mode(self.log_wrap)
595
#self.log_message("Wrap mode: " + self.log_wrap)
596
597
def find_and_remove_client(self, path, name):
519
log.debug("Wrap mode: %s", self.log_wrap)
520
521
def find_and_remove_client(self, path, interfaces):
598
522
"""Find a client by its object path and remove it.
599
600
This is connected to the ClientRemoved signal from the
523
524
This is connected to the InterfacesRemoved signal from the
601
525
Mandos server object."""
526
if client_interface not in interfaces:
527
# Not a Mandos client object; ignore
528
return
602
529
try:
603
530
client = self.clients_dict[path]
604
531
except KeyError:
605
532
# not found?
606
self.log_message("Unknown client %r (%r) removed", name,
607
path)
533
log.warning("Unknown client %s removed", path)
608
534
return
609
535
client.delete()
610
611
def add_new_client(self, path):
536
537
def add_new_client(self, path, ifs_and_props):
538
"""Find a client by its object path and remove it.
539
540
This is connected to the InterfacesAdded signal from the
541
Mandos server object.
542
"""
543
if client_interface not in ifs_and_props:
544
# Not a Mandos client object; ignore
545
return
612
546
client_proxy_object = self.bus.get_object(self.busname, path)
613
self.add_client(MandosClientWidget(server_proxy_object
614
=self.mandos_serv,
615
proxy_object
616
=client_proxy_object,
617
update_hook
618
=self.refresh,
619
delete_hook
620
=self.remove_client,
621
logger
622
=self.log_message),
547
self.add_client(MandosClientWidget(
548
server_proxy_object=self.mandos_serv,
549
proxy_object=client_proxy_object,
550
update_hook=self.refresh,
551
delete_hook=self.remove_client,
552
properties=dict(ifs_and_props[client_interface])),
623
553
path=path)
624
554
625
555
def add_client(self, client, path=None):
626
556
self.clients.append(client)
627
557
if path is None:
628
558
path = client.proxy.object_path
629
559
self.clients_dict[path] = client
630
self.clients.sort(None, lambda c: c.properties["Name"])
560
self.clients.sort(key=lambda c: c.properties["Name"])
631
561
self.refresh()
632
562
633
563
def remove_client(self, client, path=None):
634
564
self.clients.remove(client)
635
565
if path is None:
636
566
path = client.proxy.object_path
637
567
del self.clients_dict[path]
638
if not self.clients_dict:
639
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
640
# is completely emptied, we need to recreate it.
641
self.clients = urwid.SimpleListWalker([])
642
self.rebuild()
643
568
self.refresh()
644
569
645
570
def refresh(self):
646
571
"""Redraw the screen"""
647
572
canvas = self.topwidget.render(self.size, focus=True)
648
573
self.screen.draw_screen(self.size, canvas)
649
574
650
575
def run(self):
651
576
"""Start the main loop and exit when it's done."""
577
log.addHandler(self.loghandler)
578
self.orig_log_propagate = log.propagate
579
log.propagate = False
580
self.orig_log_level = log.level
581
log.setLevel("INFO")
582
self.bus = dbus.SystemBus()
583
mandos_dbus_objc = self.bus.get_object(
584
self.busname, "/", follow_name_owner_changes=True)
585
self.mandos_serv = dbus.Interface(
586
mandos_dbus_objc, dbus_interface=server_interface)
587
try:
588
mandos_clients = (self.mandos_serv
589
.GetAllClientsWithProperties())
590
if not mandos_clients:
591
log.warning("Note: Server has no clients.")
592
except dbus.exceptions.DBusException:
593
log.warning("Note: No Mandos server running.")
594
mandos_clients = dbus.Dictionary()
595
596
(self.mandos_serv
597
.connect_to_signal("InterfacesRemoved",
598
self.find_and_remove_client,
599
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
600
byte_arrays=True))
601
(self.mandos_serv
602
.connect_to_signal("InterfacesAdded",
603
self.add_new_client,
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
byte_arrays=True))
606
(self.mandos_serv
607
.connect_to_signal("ClientNotFound",
608
self.client_not_found,
609
dbus_interface=server_interface,
610
byte_arrays=True))
611
for path, client in mandos_clients.items():
612
client_proxy_object = self.bus.get_object(self.busname,
613
path)
614
self.add_client(MandosClientWidget(
615
server_proxy_object=self.mandos_serv,
616
proxy_object=client_proxy_object,
617
properties=client,
618
update_hook=self.refresh,
619
delete_hook=self.remove_client),
620
path=path)
621
652
622
self.refresh()
653
self._input_callback_tag = (gobject.io_add_watch
654
(sys.stdin.fileno(),
655
gobject.IO_IN,
656
self.process_input))
623
self._input_callback_tag = (
624
GLib.io_add_watch(
625
GLib.IOChannel.unix_new(sys.stdin.fileno()),
626
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
627
glib_safely(self.process_input)))
657
628
self.main_loop.run()
658
629
# Main loop has finished, we should close everything now
659
gobject.source_remove(self._input_callback_tag)
660
self.screen.stop()
661
630
GLib.source_remove(self._input_callback_tag)
631
with warnings.catch_warnings():
632
warnings.simplefilter("ignore", BytesWarning)
633
self.screen.stop()
634
662
635
def stop(self):
663
636
self.main_loop.quit()
664
637
log.removeHandler(self.loghandler)
638
log.propagate = self.orig_log_propagate
639
665
640
def process_input(self, source, condition):
666
641
keys = self.screen.get_input()
667
translations = { "ctrl n": "down", # Emacs
668
"ctrl p": "up", # Emacs
669
"ctrl v": "page down", # Emacs
670
"meta v": "page up", # Emacs
671
" ": "page down", # less
672
"f": "page down", # less
673
"b": "page up", # less
674
"j": "down", # vi
675
"k": "up", # vi
676
}
642
translations = {"ctrl n": "down", # Emacs
643
"ctrl p": "up", # Emacs
644
"ctrl v": "page down", # Emacs
645
"meta v": "page up", # Emacs
646
" ": "page down", # less
647
"f": "page down", # less
648
"b": "page up", # less
649
"j": "down", # vi
650
"k": "up", # vi
651
}
677
652
for key in keys:
678
653
try:
679
654
key = translations[key]
680
655
except KeyError: # :-)
681
656
pass
682
657
683
658
if key == "q" or key == "Q":
684
659
self.stop()
685
660
break
686
661
elif key == "window resize":
687
662
self.size = self.screen.get_cols_rows()
688
663
self.refresh()
689
elif key == "\f": # Ctrl-L
664
elif key == "ctrl l":
665
self.screen.clear()
690
666
self.refresh()
691
667
elif key == "l" or key == "D":
692
668
self.toggle_log_display()
698
674
if not self.log_visible:
699
675
self.log_visible = True
700
676
self.rebuild()
701
self.log_message_raw(("bold",
702
" ".
703
join(("q: Quit",
704
"?: Help",
705
"l: Log window toggle",
706
"TAB: Switch window",
707
"w: Wrap (log)"))))
708
self.log_message_raw(("bold",
709
" "
710
.join(("Clients:",
711
"+: Enable",
712
"-: Disable",
713
"R: Remove",
714
"s: Start new checker",
715
"S: Stop checker",
716
"C: Checker OK",
717
"a: Approve",
718
"d: Deny"))))
677
self.add_log_line(("bold",
678
" ".join(("q: Quit",
679
"?: Help",
680
"l: Log window toggle",
681
"TAB: Switch window",
682
"w: Wrap (log lines)",
683
"v: Toggle verbose log",
684
))))
685
self.add_log_line(("bold",
686
" ".join(("Clients:",
687
"+: Enable",
688
"-: Disable",
689
"R: Remove",
690
"s: Start new checker",
691
"S: Stop checker",
692
"C: Checker OK",
693
"a: Approve",
694
"d: Deny",
695
))))
719
696
self.refresh()
720
697
elif key == "tab":
721
698
if self.topwidget.get_focus() is self.logbox:
723
700
else:
724
701
self.topwidget.set_focus(self.logbox)
725
702
self.refresh()
726
#elif (key == "end" or key == "meta >" or key == "G"
727
# or key == ">"):
728
# pass # xxx end-of-buffer
729
#elif (key == "home" or key == "meta <" or key == "g"
730
# or key == "<"):
731
# pass # xxx beginning-of-buffer
732
#elif key == "ctrl e" or key == "$":
733
# pass # xxx move-end-of-line
734
#elif key == "ctrl a" or key == "^":
735
# pass # xxx move-beginning-of-line
736
#elif key == "ctrl b" or key == "meta (" or key == "h":
737
# pass # xxx left
738
#elif key == "ctrl f" or key == "meta )" or key == "l":
739
# pass # xxx right
740
#elif key == "a":
741
# pass # scroll up log
742
#elif key == "z":
743
# pass # scroll down log
703
elif key == "v":
704
if log.level < logging.INFO:
705
log.setLevel(logging.INFO)
706
log.info("Verbose mode: Off")
707
else:
708
log.setLevel(logging.NOTSET)
709
log.info("Verbose mode: On")
710
# elif (key == "end" or key == "meta >" or key == "G"
711
# or key == ">"):
712
# pass # xxx end-of-buffer
713
# elif (key == "home" or key == "meta <" or key == "g"
714
# or key == "<"):
715
# pass # xxx beginning-of-buffer
716
# elif key == "ctrl e" or key == "$":
717
# pass # xxx move-end-of-line
718
# elif key == "ctrl a" or key == "^":
719
# pass # xxx move-beginning-of-line
720
# elif key == "ctrl b" or key == "meta (" or key == "h":
721
# pass # xxx left
722
# elif key == "ctrl f" or key == "meta )" or key == "l":
723
# pass # xxx right
724
# elif key == "a":
725
# pass # scroll up log
726
# elif key == "z":
727
# pass # scroll down log
744
728
elif self.topwidget.selectable():
745
729
self.topwidget.keypress(self.size, key)
746
730
self.refresh()
747
731
return True
748
732
733
734
class UILogHandler(logging.Handler):
735
def __init__(self, ui, *args, **kwargs):
736
self.ui = ui
737
super(UILogHandler, self).__init__(*args, **kwargs)
738
self.setFormatter(
739
logging.Formatter("%(asctime)s: %(message)s"))
740
def emit(self, record):
741
msg = self.format(record)
742
if record.levelno > logging.INFO:
743
msg = ("bold", msg)
744
self.ui.add_log_line(msg)
745
746
749
747
ui = UserInterface()
750
748
try:
751
749
ui.run()
752
750
except KeyboardInterrupt:
753
ui.screen.stop()
754
except Exception, e:
755
ui.log_message(unicode(e))
756
ui.screen.stop()
751
with warnings.catch_warnings():
752
warnings.filterwarnings("ignore", "", BytesWarning)
753
ui.screen.stop()
754
except Exception:
755
with warnings.catch_warnings():
756
warnings.filterwarnings("ignore", "", BytesWarning)
757
ui.screen.stop()
757
758
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0