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- Committer: Björn Påhlsson
- Date: 2011-12-26 15:23:45 UTC
- Revision ID: belorn@recompile.se-20111226152345-cd9mz98e7eiqbfbx
nicer stacktrace when mandos-monitor fail during startup
- files added:
- initramfs-tools-hook-conf
- files removed:
- bugs.xml
- debian/upstream
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
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#!/usr/bin/python
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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 © 2009-2019 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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#
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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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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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#
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# along with this program. 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 datetime
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import urwid
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from dbus.mainloop.glib import DBusGMainLoop
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from gi.repository import GLib
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import gobject
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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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if sys.version_info.major == 2:
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str = unicode
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locale.setlocale(locale.LC_ALL, '')
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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 = "1.8.0"
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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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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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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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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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class MandosClientPropertyCache(object):
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"""This wraps a Mandos Client D-Bus proxy object, caches the
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properties and calls a hook function when any of them are
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changed.
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"""
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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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def __init__(self, proxy_object=None, *args, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict()
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self.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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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(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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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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"""
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# Update properties dict with new value
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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.properties[property] = value
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def delete(self, *args, **kwargs):
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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, **kwargs):
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delete_hook=None, logger=None, *args, **kwargs):
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# Called on update
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self.update_hook = update_hook
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# Called on delete
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self.server_proxy_object = server_proxy_object
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# Logger
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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__(**kwargs)
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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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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 {}'
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.format(self.properties["Name"]), level=0)
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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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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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if flag and self._update_timer_callback_tag is None:
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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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# Will update the shown timer value every second
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self._update_timer_callback_tag = (GLib.timeout_add
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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 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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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 = None
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def checker_completed(self, exitstatus, condition, command):
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if exitstatus == 0:
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self.logger('Checker for client {} (command "{}")'
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' succeeded'.format(self.properties["Name"],
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command), level=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 {} (command "{}") failed'
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' with exit code {}'
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.format(self.properties["Name"], command,
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os.WEXITSTATUS(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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elif os.WIFSIGNALED(condition):
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self.logger('Checker for client {} (command "{}") was'
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' killed by signal {}'
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.format(self.properties["Name"], command,
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os.WTERMSIG(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):
236
self.logger('Checker for client %s (command "%s")'
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' dumped core'
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% (self.properties["Name"], command))
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else:
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self.logger('Checker for client %s completed'
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' mysteriously')
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self.update()
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def checker_started(self, command):
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"""Server signals that a checker started."""
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self.logger('Client {} started checker "{}"'
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.format(self.properties["Name"],
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command), level=0)
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"""Server signals that a checker started. This could be useful
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to log in the future. """
247
#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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def got_secret(self):
209
self.logger('Client {} received its secret'
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.format(self.properties["Name"]))
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self.last_checker_failed = False
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self.logger('Client %s received its secret'
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% self.properties["Name"])
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def need_approval(self, timeout, default):
213
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if not default:
214
message = 'Client {} needs approval within {} seconds'
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message = 'Client %s needs approval within %s seconds'
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else:
216
message = 'Client {} will get its secret in {} seconds'
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self.logger(message.format(self.properties["Name"],
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timeout/1000))
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message = 'Client %s will get its secret in %s seconds'
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self.logger(message
262
% (self.properties["Name"], timeout/1000))
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self.using_timer(True)
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def rejected(self, reason):
221
self.logger('Client {} was rejected; reason: {}'
222
.format(self.properties["Name"], reason))
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self.logger('Client %s was rejected; reason: %s'
267
% (self.properties["Name"], reason))
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def selectable(self):
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"""Make this a "selectable" widget.
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This overrides the method from urwid.FlowWidget."""
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return True
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def rows(self, maxcolrow, focus=False):
230
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"""How many rows this widget will occupy might depend on
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whether we have focus or not.
232
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This overrides the method from urwid.FlowWidget"""
233
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
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def current_widget(self, focus=False):
236
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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):
241
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"Called when what is visible on the screen should be updated."
242
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# How to add standout mode to a style
243
with_standout = {"normal": "standout",
244
"bold": "bold-standout",
245
"underline-blink":
246
"underline-blink-standout",
247
"bold-underline-blink":
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"bold-underline-blink-standout",
249
}
288
with_standout = { "normal": "standout",
289
"bold": "bold-standout",
290
"underline-blink":
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"underline-blink-standout",
292
"bold-underline-blink":
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"bold-underline-blink-standout",
294
}
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# Rebuild focus and non-focus widgets using current properties
252
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# Base part of a client. Name!
254
base = '{name}: '.format(name=self.properties["Name"])
299
base = ('%(name)s: '
300
% {"name": self.properties["Name"]})
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if not self.properties["Enabled"]:
256
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message = "DISABLED"
257
self.using_timer(False)
258
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elif self.properties["ApprovalPending"]:
259
timeout = datetime.timedelta(
260
milliseconds=self.properties["ApprovalDelay"])
304
timeout = datetime.timedelta(milliseconds
305
= self.properties
306
["ApprovalDelay"])
261
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last_approval_request = isoformat_to_datetime(
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self.properties["LastApprovalRequest"])
263
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if last_approval_request is not None:
264
timer = max(timeout - (datetime.datetime.utcnow()
265
- last_approval_request),
266
datetime.timedelta())
310
timer = timeout - (datetime.datetime.utcnow()
311
- last_approval_request)
267
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else:
268
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timer = datetime.timedelta()
269
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if self.properties["ApprovedByDefault"]:
270
message = "Approval in {}. (d)eny?"
315
message = "Approval in %s. (d)eny?"
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else:
272
message = "Denial in {}. (a)pprove?"
273
message = message.format(str(timer).rsplit(".", 1)[0])
274
self.using_timer(True)
275
elif self.properties["LastCheckerStatus"] != 0:
276
# When checker has failed, show timer until client expires
317
message = "Denial in %s. (a)pprove?"
318
message = message % unicode(timer).rsplit(".", 1)[0]
319
elif self.last_checker_failed:
320
# When checker has failed, print a timer until client expires
277
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expires = self.properties["Expires"]
278
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if expires == "":
279
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timer = datetime.timedelta(0)
280
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else:
281
expires = (datetime.datetime.strptime
282
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
283
timer = max(expires - datetime.datetime.utcnow(),
284
datetime.timedelta())
325
expires = datetime.datetime.strptime(expires,
326
'%Y-%m-%dT%H:%M:%S.%f')
327
timer = expires - datetime.datetime.utcnow()
285
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message = ('A checker has failed! Time until client'
286
' gets disabled: {}'
287
.format(str(timer).rsplit(".", 1)[0]))
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self.using_timer(True)
329
' gets disabled: %s'
330
% unicode(timer).rsplit(".", 1)[0])
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else:
290
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message = "enabled"
291
self.using_timer(False)
292
self._text = "{}{}".format(base, message)
293
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self._text = "%s%s" % (base, message)
334
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if not urwid.supports_unicode():
295
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self._text = self._text.encode("ascii", "replace")
296
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textlist = [("normal", self._text)]
306
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# Run update hook, if any
307
348
if self.update_hook is not None:
308
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self.update_hook()
309
350
310
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def update_timer(self):
311
"""called by GLib. Will indefinitely loop until
312
GLib.source_remove() on tag is called
313
"""
352
"""called by gobject. Will indefinitely loop until
353
gobject.source_remove() on tag is called"""
314
354
self.update()
315
355
return True # Keep calling this
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def delete(self, **kwargs):
356
357
def delete(self, *args, **kwargs):
318
358
if self._update_timer_callback_tag is not None:
319
GLib.source_remove(self._update_timer_callback_tag)
359
gobject.source_remove(self._update_timer_callback_tag)
320
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self._update_timer_callback_tag = None
321
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for match in self.match_objects:
322
362
match.remove()
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self.match_objects = ()
324
364
if self.delete_hook is not None:
325
365
self.delete_hook(self)
326
return super(MandosClientWidget, self).delete(**kwargs)
327
366
return super(MandosClientWidget, self).delete(*args, **kwargs)
367
328
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def render(self, maxcolrow, focus=False):
329
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"""Render differently if we have focus.
330
370
This overrides the method from urwid.FlowWidget"""
331
371
return self.current_widget(focus).render(maxcolrow,
332
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focus=focus)
333
373
334
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def keypress(self, maxcolrow, key):
335
375
"""Handle keys.
336
376
This overrides the method from urwid.FlowWidget"""
337
377
if key == "+":
338
self.proxy.Set(client_interface, "Enabled",
339
dbus.Boolean(True), ignore_reply=True,
340
dbus_interface=dbus.PROPERTIES_IFACE)
378
self.proxy.Enable(dbus_interface = client_interface,
379
ignore_reply=True)
341
380
elif key == "-":
342
self.proxy.Set(client_interface, "Enabled", False,
343
ignore_reply=True,
344
dbus_interface=dbus.PROPERTIES_IFACE)
381
self.proxy.Disable(dbus_interface = client_interface,
382
ignore_reply=True)
345
383
elif key == "a":
346
384
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
dbus_interface=client_interface,
385
dbus_interface = client_interface,
348
386
ignore_reply=True)
349
387
elif key == "d":
350
388
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
dbus_interface=client_interface,
389
dbus_interface = client_interface,
352
390
ignore_reply=True)
353
391
elif key == "R" or key == "_" or key == "ctrl k":
354
392
self.server_proxy_object.RemoveClient(self.proxy
355
393
.object_path,
356
394
ignore_reply=True)
357
395
elif key == "s":
358
self.proxy.Set(client_interface, "CheckerRunning",
359
dbus.Boolean(True), ignore_reply=True,
360
dbus_interface=dbus.PROPERTIES_IFACE)
396
self.proxy.StartChecker(dbus_interface = client_interface,
397
ignore_reply=True)
361
398
elif key == "S":
362
self.proxy.Set(client_interface, "CheckerRunning",
363
dbus.Boolean(False), ignore_reply=True,
364
dbus_interface=dbus.PROPERTIES_IFACE)
399
self.proxy.StopChecker(dbus_interface = client_interface,
400
ignore_reply=True)
365
401
elif key == "C":
366
self.proxy.CheckedOK(dbus_interface=client_interface,
402
self.proxy.CheckedOK(dbus_interface = client_interface,
367
403
ignore_reply=True)
368
404
# xxx
369
405
# elif key == "p" or key == "=":
374
410
# self.open()
375
411
else:
376
412
return key
377
378
def properties_changed(self, interface, properties, invalidated):
379
"""Call self.update() if any properties changed.
413
414
def property_changed(self, property=None, value=None,
415
*args, **kwargs):
416
"""Call self.update() if old value is not new value.
380
417
This overrides the method from MandosClientPropertyCache"""
381
old_values = {key: self.properties.get(key)
382
for key in properties.keys()}
383
super(MandosClientWidget, self).properties_changed(
384
interface, properties, invalidated)
385
if any(old_values[key] != self.properties.get(key)
386
for key in old_values):
418
property_name = unicode(property)
419
old_value = self.properties.get(property_name)
420
super(MandosClientWidget, self).property_changed(
421
property=property, value=value, *args, **kwargs)
422
if self.properties.get(property_name) != old_value:
387
423
self.update()
388
424
389
425
392
428
"down" key presses, thus not allowing any containing widgets to
393
429
use them as an excuse to shift focus away from this widget.
394
430
"""
395
def keypress(self, *args, **kwargs):
396
ret = (super(ConstrainedListBox, self)
397
.keypress(*args, **kwargs))
431
def keypress(self, maxcolrow, key):
432
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
398
433
if ret in ("up", "down"):
399
434
return
400
435
return ret
404
439
"""This is the entire user interface - the whole screen
405
440
with boxes, lists of client widgets, etc.
406
441
"""
407
def __init__(self, max_log_length=1000, log_level=1):
442
def __init__(self, max_log_length=1000):
408
443
DBusGMainLoop(set_as_default=True)
409
444
410
445
self.screen = urwid.curses_display.Screen()
411
446
412
447
self.screen.register_palette((
413
448
("normal",
414
449
"default", "default", None),
415
450
("bold",
416
"bold", "default", "bold"),
451
"default", "default", "bold"),
417
452
("underline-blink",
418
"underline,blink", "default", "underline,blink"),
453
"default", "default", "underline"),
419
454
("standout",
420
"standout", "default", "standout"),
455
"default", "default", "standout"),
421
456
("bold-underline-blink",
422
"bold,underline,blink", "default",
423
"bold,underline,blink"),
457
"default", "default", ("bold", "underline")),
424
458
("bold-standout",
425
"bold,standout", "default", "bold,standout"),
459
"default", "default", ("bold", "standout")),
426
460
("underline-blink-standout",
427
"underline,blink,standout", "default",
428
"underline,blink,standout"),
461
"default", "default", ("underline", "standout")),
429
462
("bold-underline-blink-standout",
430
"bold,underline,blink,standout", "default",
431
"bold,underline,blink,standout"),
463
"default", "default", ("bold", "underline",
464
"standout")),
432
465
))
433
466
434
467
if urwid.supports_unicode():
435
self.divider = "─" # \u2500
468
self.divider = "─" # \u2500
469
#self.divider = "━" # \u2501
436
470
else:
437
self.divider = "_" # \u005f
438
471
#self.divider = "-" # \u002d
472
self.divider = "_" # \u005f
473
439
474
self.screen.start()
440
475
441
476
self.size = self.screen.get_cols_rows()
442
477
443
478
self.clients = urwid.SimpleListWalker([])
444
479
self.clients_dict = {}
445
480
446
481
# We will add Text widgets to this list
447
self.log = urwid.SimpleListWalker([])
482
self.log = []
448
483
self.max_log_length = max_log_length
449
450
self.log_level = log_level
451
484
452
485
# We keep a reference to the log widget so we can remove it
453
486
# from the ListWalker without it getting destroyed
454
487
self.logbox = ConstrainedListBox(self.log)
455
488
456
489
# This keeps track of whether self.uilist currently has
457
490
# self.logbox in it or not
458
491
self.log_visible = True
459
492
self.log_wrap = "any"
460
493
461
494
self.rebuild()
462
495
self.log_message_raw(("bold",
463
496
"Mandos Monitor version " + version))
464
497
self.log_message_raw(("bold",
465
498
"q: Quit ?: Help"))
466
499
467
500
self.busname = domain + '.Mandos'
468
self.main_loop = GLib.MainLoop()
469
501
self.main_loop = gobject.MainLoop()
502
470
503
def client_not_found(self, fingerprint, address):
471
self.log_message("Client with address {} and fingerprint {}"
472
" could not be found"
473
.format(address, fingerprint))
474
504
self.log_message(("Client with address %s and fingerprint %s"
505
" could not be found" % (address,
506
fingerprint)))
507
475
508
def rebuild(self):
476
509
"""This rebuilds the User Interface.
477
510
Call this when the widget layout needs to change"""
478
511
self.uilist = []
479
# self.uilist.append(urwid.ListBox(self.clients))
512
#self.uilist.append(urwid.ListBox(self.clients))
480
513
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
514
clients),
482
# header=urwid.Divider(),
515
#header=urwid.Divider(),
483
516
header=None,
484
footer=urwid.Divider(
485
div_char=self.divider)))
517
footer=
518
urwid.Divider(div_char=
519
self.divider)))
486
520
if self.log_visible:
487
521
self.uilist.append(self.logbox)
488
522
self.topwidget = urwid.Pile(self.uilist)
489
490
def log_message(self, message, level=1):
491
"""Log message formatted with timestamp"""
492
if level < self.log_level:
493
return
523
524
def log_message(self, message):
494
525
timestamp = datetime.datetime.now().isoformat()
495
self.log_message_raw("{}: {}".format(timestamp, message),
496
level=level)
497
498
def log_message_raw(self, markup, level=1):
526
self.log_message_raw(timestamp + ": " + message)
527
528
def log_message_raw(self, markup):
499
529
"""Add a log message to the log buffer."""
500
if level < self.log_level:
501
return
502
530
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
503
if self.max_log_length:
504
if len(self.log) > self.max_log_length:
505
del self.log[0:len(self.log)-self.max_log_length-1]
506
self.logbox.set_focus(len(self.logbox.body.contents)-1,
531
if (self.max_log_length
532
and len(self.log) > self.max_log_length):
533
del self.log[0:len(self.log)-self.max_log_length-1]
534
self.logbox.set_focus(len(self.logbox.body.contents),
507
535
coming_from="above")
508
536
self.refresh()
509
537
510
538
def toggle_log_display(self):
511
539
"""Toggle visibility of the log buffer."""
512
540
self.log_visible = not self.log_visible
513
541
self.rebuild()
514
self.log_message("Log visibility changed to: {}"
515
.format(self.log_visible), level=0)
516
542
#self.log_message("Log visibility changed to: "
543
# + unicode(self.log_visible))
544
517
545
def change_log_display(self):
518
546
"""Change type of log display.
519
547
Currently, this toggles wrapping of text lines."""
523
551
self.log_wrap = "clip"
524
552
for textwidget in self.log:
525
553
textwidget.set_wrap_mode(self.log_wrap)
526
self.log_message("Wrap mode: {}".format(self.log_wrap),
527
level=0)
528
529
def find_and_remove_client(self, path, interfaces):
554
#self.log_message("Wrap mode: " + self.log_wrap)
555
556
def find_and_remove_client(self, path, name):
530
557
"""Find a client by its object path and remove it.
531
532
This is connected to the InterfacesRemoved signal from the
558
559
This is connected to the ClientRemoved signal from the
533
560
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
536
return
537
561
try:
538
562
client = self.clients_dict[path]
539
563
except KeyError:
540
564
# not found?
541
self.log_message("Unknown client {!r} removed"
542
.format(path))
565
self.log_message("Unknown client %r (%r) removed", name,
566
path)
543
567
return
544
568
client.delete()
545
546
def add_new_client(self, path, ifs_and_props):
547
"""Find a client by its object path and remove it.
548
549
This is connected to the InterfacesAdded signal from the
550
Mandos server object.
551
"""
552
if client_interface not in ifs_and_props:
553
# Not a Mandos client object; ignore
554
return
569
570
def add_new_client(self, path):
555
571
client_proxy_object = self.bus.get_object(self.busname, path)
556
self.add_client(MandosClientWidget(
557
server_proxy_object=self.mandos_serv,
558
proxy_object=client_proxy_object,
559
update_hook=self.refresh,
560
delete_hook=self.remove_client,
561
logger=self.log_message,
562
properties=dict(ifs_and_props[client_interface])),
572
self.add_client(MandosClientWidget(server_proxy_object
573
=self.mandos_serv,
574
proxy_object
575
=client_proxy_object,
576
update_hook
577
=self.refresh,
578
delete_hook
579
=self.remove_client,
580
logger
581
=self.log_message),
563
582
path=path)
564
583
565
584
def add_client(self, client, path=None):
566
585
self.clients.append(client)
567
586
if path is None:
568
587
path = client.proxy.object_path
569
588
self.clients_dict[path] = client
570
self.clients.sort(key=lambda c: c.properties["Name"])
589
self.clients.sort(None, lambda c: c.properties["Name"])
571
590
self.refresh()
572
591
573
592
def remove_client(self, client, path=None):
574
593
self.clients.remove(client)
575
594
if path is None:
576
595
path = client.proxy.object_path
577
596
del self.clients_dict[path]
597
if not self.clients_dict:
598
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
599
# is completely emptied, we need to recreate it.
600
self.clients = urwid.SimpleListWalker([])
601
self.rebuild()
578
602
self.refresh()
579
603
580
604
def refresh(self):
581
605
"""Redraw the screen"""
582
606
canvas = self.topwidget.render(self.size, focus=True)
583
607
self.screen.draw_screen(self.size, canvas)
584
608
585
609
def run(self):
586
610
"""Start the main loop and exit when it's done."""
587
611
self.bus = dbus.SystemBus()
588
612
mandos_dbus_objc = self.bus.get_object(
589
613
self.busname, "/", follow_name_owner_changes=True)
590
self.mandos_serv = dbus.Interface(
591
mandos_dbus_objc, dbus_interface=server_interface)
614
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
615
dbus_interface
616
= server_interface)
592
617
try:
593
618
mandos_clients = (self.mandos_serv
594
619
.GetAllClientsWithProperties())
595
if not mandos_clients:
596
self.log_message_raw(("bold",
597
"Note: Server has no clients."))
598
620
except dbus.exceptions.DBusException:
599
self.log_message_raw(("bold",
600
"Note: No Mandos server running."))
601
621
mandos_clients = dbus.Dictionary()
602
622
603
623
(self.mandos_serv
604
.connect_to_signal("InterfacesRemoved",
624
.connect_to_signal("ClientRemoved",
605
625
self.find_and_remove_client,
606
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
626
dbus_interface=server_interface,
607
627
byte_arrays=True))
608
628
(self.mandos_serv
609
.connect_to_signal("InterfacesAdded",
629
.connect_to_signal("ClientAdded",
610
630
self.add_new_client,
611
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
631
dbus_interface=server_interface,
612
632
byte_arrays=True))
613
633
(self.mandos_serv
614
634
.connect_to_signal("ClientNotFound",
615
635
self.client_not_found,
616
636
dbus_interface=server_interface,
617
637
byte_arrays=True))
618
for path, client in mandos_clients.items():
638
for path, client in mandos_clients.iteritems():
619
639
client_proxy_object = self.bus.get_object(self.busname,
620
640
path)
621
self.add_client(MandosClientWidget(
622
server_proxy_object=self.mandos_serv,
623
proxy_object=client_proxy_object,
624
properties=client,
625
update_hook=self.refresh,
626
delete_hook=self.remove_client,
627
logger=self.log_message),
641
self.add_client(MandosClientWidget(server_proxy_object
642
=self.mandos_serv,
643
proxy_object
644
=client_proxy_object,
645
properties=client,
646
update_hook
647
=self.refresh,
648
delete_hook
649
=self.remove_client,
650
logger
651
=self.log_message),
628
652
path=path)
629
653
630
654
self.refresh()
631
self._input_callback_tag = (GLib.io_add_watch
655
self._input_callback_tag = (gobject.io_add_watch
632
656
(sys.stdin.fileno(),
633
GLib.IO_IN,
657
gobject.IO_IN,
634
658
self.process_input))
635
659
self.main_loop.run()
636
660
# Main loop has finished, we should close everything now
637
GLib.source_remove(self._input_callback_tag)
661
gobject.source_remove(self._input_callback_tag)
638
662
self.screen.stop()
639
663
640
664
def stop(self):
641
665
self.main_loop.quit()
642
666
643
667
def process_input(self, source, condition):
644
668
keys = self.screen.get_input()
645
translations = {"ctrl n": "down", # Emacs
646
"ctrl p": "up", # Emacs
647
"ctrl v": "page down", # Emacs
648
"meta v": "page up", # Emacs
649
" ": "page down", # less
650
"f": "page down", # less
651
"b": "page up", # less
652
"j": "down", # vi
653
"k": "up", # vi
654
}
669
translations = { "ctrl n": "down", # Emacs
670
"ctrl p": "up", # Emacs
671
"ctrl v": "page down", # Emacs
672
"meta v": "page up", # Emacs
673
" ": "page down", # less
674
"f": "page down", # less
675
"b": "page up", # less
676
"j": "down", # vi
677
"k": "up", # vi
678
}
655
679
for key in keys:
656
680
try:
657
681
key = translations[key]
658
682
except KeyError: # :-)
659
683
pass
660
684
661
685
if key == "q" or key == "Q":
662
686
self.stop()
663
687
break
664
688
elif key == "window resize":
665
689
self.size = self.screen.get_cols_rows()
666
690
self.refresh()
667
elif key == "ctrl l":
668
self.screen.clear()
691
elif key == "\f": # Ctrl-L
669
692
self.refresh()
670
693
elif key == "l" or key == "D":
671
694
self.toggle_log_display()
683
706
"?: Help",
684
707
"l: Log window toggle",
685
708
"TAB: Switch window",
686
"w: Wrap (log lines)",
687
"v: Toggle verbose log",
688
))))
709
"w: Wrap (log)"))))
689
710
self.log_message_raw(("bold",
690
711
" "
691
712
.join(("Clients:",
704
725
else:
705
726
self.topwidget.set_focus(self.logbox)
706
727
self.refresh()
707
elif key == "v":
708
if self.log_level == 0:
709
self.log_level = 1
710
self.log_message("Verbose mode: Off")
711
else:
712
self.log_level = 0
713
self.log_message("Verbose mode: On")
714
# elif (key == "end" or key == "meta >" or key == "G"
715
# or key == ">"):
716
# pass # xxx end-of-buffer
717
# elif (key == "home" or key == "meta <" or key == "g"
718
# or key == "<"):
719
# pass # xxx beginning-of-buffer
720
# elif key == "ctrl e" or key == "$":
721
# pass # xxx move-end-of-line
722
# elif key == "ctrl a" or key == "^":
723
# pass # xxx move-beginning-of-line
724
# elif key == "ctrl b" or key == "meta (" or key == "h":
725
# pass # xxx left
726
# elif key == "ctrl f" or key == "meta )" or key == "l":
727
# pass # xxx right
728
# elif key == "a":
729
# pass # scroll up log
730
# elif key == "z":
731
# pass # scroll down log
728
#elif (key == "end" or key == "meta >" or key == "G"
729
# or key == ">"):
730
# pass # xxx end-of-buffer
731
#elif (key == "home" or key == "meta <" or key == "g"
732
# or key == "<"):
733
# pass # xxx beginning-of-buffer
734
#elif key == "ctrl e" or key == "$":
735
# pass # xxx move-end-of-line
736
#elif key == "ctrl a" or key == "^":
737
# pass # xxx move-beginning-of-line
738
#elif key == "ctrl b" or key == "meta (" or key == "h":
739
# pass # xxx left
740
#elif key == "ctrl f" or key == "meta )" or key == "l":
741
# pass # xxx right
742
#elif key == "a":
743
# pass # scroll up log
744
#elif key == "z":
745
# pass # scroll down log
732
746
elif self.topwidget.selectable():
733
747
self.topwidget.keypress(self.size, key)
734
748
self.refresh()
735
749
return True
736
750
737
738
751
ui = UserInterface()
739
752
try:
740
753
ui.run()
741
754
except KeyboardInterrupt:
742
755
ui.screen.stop()
743
except Exception as e:
744
ui.log_message(str(e))
756
except Exception, e:
757
ui.log_message(unicode(e))
745
758
ui.screen.stop()
746
759
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0