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- Committer: Björn Påhlsson
- Date: 2011-10-02 19:18:24 UTC
- mto: This revision was merged to the branch mainline in revision 505.
- Revision ID: belorn@fukt.bsnet.se-20111002191824-eweh4pvneeg3qzia
transitional stuff actually working
documented change to D-Bus API
documented change to D-Bus API
- files added:
- initramfs-tools-hook-conf
- files removed:
- bugs.xml
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python3 -bbI
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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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# Contact the authors at <mandos@recompile.se>.
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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@fukt.bsnet.se>.
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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 logging
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import os
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import warnings
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import signal
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import datetime
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import locale
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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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from gi.repository import GLib
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import gobject
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import dbus
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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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input = raw_input
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# Show warnings by default
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if not sys.warnoptions:
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warnings.simplefilter("default")
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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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logging.getLogger("urwid").setLevel(logging.INFO)
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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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# 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 = "1.8.17"
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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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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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version = "1.3.1"
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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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class MandosClientPropertyCache:
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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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class MandosClientWidget(MandosClientPropertyCache, urwid.Widget):
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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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_sizing = frozenset(["flow"])
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=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.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__(**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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log.debug("Created client %s", self.properties["Name"])
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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 = (
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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 = (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 = None
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def checker_completed(self, exitstatus, condition, command):
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if exitstatus == 0:
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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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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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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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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):
204
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.logger('Checker for client %s (command "%s")'
232
' was killed by signal %s'
233
% (self.properties["Name"], command,
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os.WTERMSIG(condition)))
235
elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
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' dumped core'
238
% (self.properties["Name"], command))
239
else:
240
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):
210
"""Server signals that a checker started."""
211
log.debug('Client %s started checker "%s"',
212
self.properties["Name"], command)
213
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#self.logger('Client %s started checker "%s"'
246
# % (self.properties["Name"], unicode(command)))
247
pass
248
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def got_secret(self):
215
log.info("Client %s received its secret",
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self.properties["Name"])
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self.last_checker_failed = False
251
self.logger('Client %s received its secret'
252
% self.properties["Name"])
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def need_approval(self, timeout, default):
219
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if not default:
220
message = "Client %s needs approval within %f seconds"
256
message = 'Client %s needs approval within %s seconds'
221
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else:
222
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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message = 'Client %s will get its secret in %s seconds'
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self.logger(message
260
% (self.properties["Name"], timeout/1000))
261
self.using_timer(True)
262
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def rejected(self, reason):
226
log.info("Client %s was rejected; reason: %s",
227
self.properties["Name"], reason)
228
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self.logger('Client %s was rejected; reason: %s'
265
% (self.properties["Name"], reason))
266
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def selectable(self):
230
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"""Make this a "selectable" widget.
231
This overrides the method from urwid.Widget."""
269
This overrides the method from urwid.FlowWidget."""
232
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return True
233
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def rows(self, maxcolrow, focus=False):
235
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"""How many rows this widget will occupy might depend on
236
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whether we have focus or not.
237
This overrides the method from urwid.Widget"""
275
This overrides the method from urwid.FlowWidget"""
238
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
239
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def current_widget(self, focus=False):
241
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if focus or self.opened:
242
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return self._focus_widget
243
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return self._widget
244
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def update(self):
246
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"Called when what is visible on the screen should be updated."
247
285
# How to add standout mode to a style
248
with_standout = {"normal": "standout",
249
"bold": "bold-standout",
250
"underline-blink":
251
"underline-blink-standout",
252
"bold-underline-blink":
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"bold-underline-blink-standout",
254
}
286
with_standout = { "normal": "standout",
287
"bold": "bold-standout",
288
"underline-blink":
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"underline-blink-standout",
290
"bold-underline-blink":
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"bold-underline-blink-standout",
292
}
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# Rebuild focus and non-focus widgets using current properties
257
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# Base part of a client. Name!
259
base = "{name}: ".format(name=self.properties["Name"])
297
base = ('%(name)s: '
298
% {"name": self.properties["Name"]})
260
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if not self.properties["Enabled"]:
261
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message = "DISABLED"
262
self.using_timer(False)
263
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elif self.properties["ApprovalPending"]:
264
timeout = datetime.timedelta(
265
milliseconds=self.properties["ApprovalDelay"])
302
timeout = datetime.timedelta(milliseconds
303
= self.properties
304
["ApprovalDelay"])
266
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last_approval_request = isoformat_to_datetime(
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self.properties["LastApprovalRequest"])
268
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if last_approval_request is not None:
269
timer = max(timeout - (datetime.datetime.utcnow()
270
- last_approval_request),
271
datetime.timedelta())
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
272
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else:
273
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timer = datetime.timedelta()
274
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if self.properties["ApprovedByDefault"]:
275
message = "Approval in {}. (d)eny?"
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message = "Approval in %s. (d)eny?"
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else:
277
message = "Denial in {}. (a)pprove?"
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message = message.format(str(timer).rsplit(".", 1)[0])
279
self.using_timer(True)
280
elif self.properties["LastCheckerStatus"] != 0:
281
# When checker has failed, show timer until client expires
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
282
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expires = self.properties["Expires"]
283
320
if expires == "":
284
321
timer = datetime.timedelta(0)
285
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else:
286
expires = (datetime.datetime.strptime
287
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
288
timer = max(expires - datetime.datetime.utcnow(),
289
datetime.timedelta())
290
message = ("A checker has failed! Time until client"
291
" gets disabled: {}"
292
.format(str(timer).rsplit(".", 1)[0]))
293
self.using_timer(True)
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])
294
329
else:
295
330
message = "enabled"
296
self.using_timer(False)
297
self._text = "{}{}".format(base, message)
298
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self._text = "%s%s" % (base, message)
332
299
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if not urwid.supports_unicode():
300
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self._text = self._text.encode("ascii", "replace")
301
335
textlist = [("normal", self._text)]
311
345
# Run update hook, if any
312
346
if self.update_hook is not None:
313
347
self.update_hook()
314
348
315
349
def update_timer(self):
316
"""called by GLib. Will indefinitely loop until
317
GLib.source_remove() on tag is called
318
"""
350
"""called by gobject. Will indefinitely loop until
351
gobject.source_remove() on tag is called"""
319
352
self.update()
320
353
return True # Keep calling this
321
322
def delete(self, **kwargs):
354
355
def delete(self, *args, **kwargs):
323
356
if self._update_timer_callback_tag is not None:
324
GLib.source_remove(self._update_timer_callback_tag)
357
gobject.source_remove(self._update_timer_callback_tag)
325
358
self._update_timer_callback_tag = None
326
359
for match in self.match_objects:
327
360
match.remove()
328
361
self.match_objects = ()
329
362
if self.delete_hook is not None:
330
363
self.delete_hook(self)
331
return super(MandosClientWidget, self).delete(**kwargs)
332
364
return super(MandosClientWidget, self).delete(*args, **kwargs)
365
333
366
def render(self, maxcolrow, focus=False):
334
367
"""Render differently if we have focus.
335
This overrides the method from urwid.Widget"""
368
This overrides the method from urwid.FlowWidget"""
336
369
return self.current_widget(focus).render(maxcolrow,
337
370
focus=focus)
338
371
339
372
def keypress(self, maxcolrow, key):
340
373
"""Handle keys.
341
This overrides the method from urwid.Widget"""
374
This overrides the method from urwid.FlowWidget"""
342
375
if key == "+":
343
self.proxy.Set(client_interface, "Enabled",
344
dbus.Boolean(True), ignore_reply=True,
345
dbus_interface=dbus.PROPERTIES_IFACE)
376
self.proxy.Enable(dbus_interface = client_interface,
377
ignore_reply=True)
346
378
elif key == "-":
347
self.proxy.Set(client_interface, "Enabled", False,
348
ignore_reply=True,
349
dbus_interface=dbus.PROPERTIES_IFACE)
379
self.proxy.Disable(dbus_interface = client_interface,
380
ignore_reply=True)
350
381
elif key == "a":
351
382
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
352
dbus_interface=client_interface,
383
dbus_interface = client_interface,
353
384
ignore_reply=True)
354
385
elif key == "d":
355
386
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
356
dbus_interface=client_interface,
387
dbus_interface = client_interface,
357
388
ignore_reply=True)
358
389
elif key == "R" or key == "_" or key == "ctrl k":
359
390
self.server_proxy_object.RemoveClient(self.proxy
360
391
.object_path,
361
392
ignore_reply=True)
362
393
elif key == "s":
363
self.proxy.Set(client_interface, "CheckerRunning",
364
dbus.Boolean(True), ignore_reply=True,
365
dbus_interface=dbus.PROPERTIES_IFACE)
394
self.proxy.StartChecker(dbus_interface = client_interface,
395
ignore_reply=True)
366
396
elif key == "S":
367
self.proxy.Set(client_interface, "CheckerRunning",
368
dbus.Boolean(False), ignore_reply=True,
369
dbus_interface=dbus.PROPERTIES_IFACE)
397
self.proxy.StopChecker(dbus_interface = client_interface,
398
ignore_reply=True)
370
399
elif key == "C":
371
self.proxy.CheckedOK(dbus_interface=client_interface,
400
self.proxy.CheckedOK(dbus_interface = client_interface,
372
401
ignore_reply=True)
373
402
# xxx
374
403
# elif key == "p" or key == "=":
379
408
# self.open()
380
409
else:
381
410
return key
382
383
def properties_changed(self, interface, properties, invalidated):
384
"""Call self.update() if any properties changed.
411
412
def property_changed(self, property=None, value=None,
413
*args, **kwargs):
414
"""Call self.update() if old value is not new value.
385
415
This overrides the method from MandosClientPropertyCache"""
386
old_values = {key: self.properties.get(key)
387
for key in properties.keys()}
388
super(MandosClientWidget, self).properties_changed(
389
interface, properties, invalidated)
390
if any(old_values[key] != self.properties.get(key)
391
for key in old_values):
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:
392
421
self.update()
393
422
394
423
395
def glib_safely(func, retval=True):
396
def safe_func(*args, **kwargs):
397
try:
398
return func(*args, **kwargs)
399
except Exception:
400
log.exception("")
401
return retval
402
return safe_func
403
404
405
424
class ConstrainedListBox(urwid.ListBox):
406
425
"""Like a normal urwid.ListBox, but will consume all "up" or
407
426
"down" key presses, thus not allowing any containing widgets to
408
427
use them as an excuse to shift focus away from this widget.
409
428
"""
410
def keypress(self, *args, **kwargs):
411
ret = (super(ConstrainedListBox, self)
412
.keypress(*args, **kwargs))
429
def keypress(self, maxcolrow, key):
430
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
413
431
if ret in ("up", "down"):
414
432
return
415
433
return ret
416
434
417
435
418
class UserInterface:
436
class UserInterface(object):
419
437
"""This is the entire user interface - the whole screen
420
438
with boxes, lists of client widgets, etc.
421
439
"""
422
440
def __init__(self, max_log_length=1000):
423
441
DBusGMainLoop(set_as_default=True)
424
442
425
443
self.screen = urwid.curses_display.Screen()
426
444
427
445
self.screen.register_palette((
428
446
("normal",
429
447
"default", "default", None),
430
448
("bold",
431
"bold", "default", "bold"),
449
"default", "default", "bold"),
432
450
("underline-blink",
433
"underline,blink", "default", "underline,blink"),
451
"default", "default", "underline"),
434
452
("standout",
435
"standout", "default", "standout"),
453
"default", "default", "standout"),
436
454
("bold-underline-blink",
437
"bold,underline,blink", "default",
438
"bold,underline,blink"),
455
"default", "default", ("bold", "underline")),
439
456
("bold-standout",
440
"bold,standout", "default", "bold,standout"),
457
"default", "default", ("bold", "standout")),
441
458
("underline-blink-standout",
442
"underline,blink,standout", "default",
443
"underline,blink,standout"),
459
"default", "default", ("underline", "standout")),
444
460
("bold-underline-blink-standout",
445
"bold,underline,blink,standout", "default",
446
"bold,underline,blink,standout"),
461
"default", "default", ("bold", "underline",
462
"standout")),
447
463
))
448
464
449
465
if urwid.supports_unicode():
450
self.divider = "─" # \u2500
466
self.divider = "─" # \u2500
467
#self.divider = "━" # \u2501
451
468
else:
452
self.divider = "_" # \u005f
453
469
#self.divider = "-" # \u002d
470
self.divider = "_" # \u005f
471
454
472
self.screen.start()
455
473
456
474
self.size = self.screen.get_cols_rows()
457
475
458
476
self.clients = urwid.SimpleListWalker([])
459
477
self.clients_dict = {}
460
478
461
479
# We will add Text widgets to this list
462
self.log = urwid.SimpleListWalker([])
480
self.log = []
463
481
self.max_log_length = max_log_length
464
482
465
483
# We keep a reference to the log widget so we can remove it
466
484
# from the ListWalker without it getting destroyed
467
485
self.logbox = ConstrainedListBox(self.log)
468
486
469
487
# This keeps track of whether self.uilist currently has
470
488
# self.logbox in it or not
471
489
self.log_visible = True
472
490
self.log_wrap = "any"
473
474
self.loghandler = UILogHandler(self)
475
491
476
492
self.rebuild()
477
self.add_log_line(("bold",
478
"Mandos Monitor version " + version))
479
self.add_log_line(("bold", "q: Quit ?: Help"))
480
481
self.busname = domain + ".Mandos"
482
self.main_loop = GLib.MainLoop()
483
484
def client_not_found(self, key_id, address):
485
log.info("Client with address %s and key ID %s could"
486
" not be found", address, key_id)
487
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
488
548
def rebuild(self):
489
549
"""This rebuilds the User Interface.
490
550
Call this when the widget layout needs to change"""
491
551
self.uilist = []
492
# self.uilist.append(urwid.ListBox(self.clients))
552
#self.uilist.append(urwid.ListBox(self.clients))
493
553
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
494
554
clients),
495
# header=urwid.Divider(),
555
#header=urwid.Divider(),
496
556
header=None,
497
footer=urwid.Divider(
498
div_char=self.divider)))
557
footer=
558
urwid.Divider(div_char=
559
self.divider)))
499
560
if self.log_visible:
500
561
self.uilist.append(self.logbox)
562
pass
501
563
self.topwidget = urwid.Pile(self.uilist)
502
503
def add_log_line(self, markup):
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."""
504
571
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
if self.max_log_length:
506
if len(self.log) > self.max_log_length:
507
del self.log[0:(len(self.log) - self.max_log_length)]
508
self.logbox.set_focus(len(self.logbox.body.contents)-1,
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),
509
576
coming_from="above")
510
577
self.refresh()
511
578
512
579
def toggle_log_display(self):
513
580
"""Toggle visibility of the log buffer."""
514
581
self.log_visible = not self.log_visible
515
582
self.rebuild()
516
log.debug("Log visibility changed to: %s", self.log_visible)
517
583
#self.log_message("Log visibility changed to: "
584
# + unicode(self.log_visible))
585
518
586
def change_log_display(self):
519
587
"""Change type of log display.
520
588
Currently, this toggles wrapping of text lines."""
524
592
self.log_wrap = "clip"
525
593
for textwidget in self.log:
526
594
textwidget.set_wrap_mode(self.log_wrap)
527
log.debug("Wrap mode: %s", self.log_wrap)
528
529
def find_and_remove_client(self, path, interfaces):
595
#self.log_message("Wrap mode: " + self.log_wrap)
596
597
def find_and_remove_client(self, path, name):
530
598
"""Find a client by its object path and remove it.
531
532
This is connected to the InterfacesRemoved signal from the
599
600
This is connected to the ClientRemoved signal from the
533
601
Mandos server object."""
534
if client_interface not in interfaces:
535
# Not a Mandos client object; ignore
536
return
537
602
try:
538
603
client = self.clients_dict[path]
539
604
except KeyError:
540
605
# not found?
541
log.warning("Unknown client %s removed", path)
606
self.log_message("Unknown client %r (%r) removed", name,
607
path)
542
608
return
543
609
client.delete()
544
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
547
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
550
"""
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
553
return
610
611
def add_new_client(self, path):
554
612
client_proxy_object = self.bus.get_object(self.busname, path)
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
properties=dict(ifs_and_props[client_interface])),
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),
561
623
path=path)
562
624
563
625
def add_client(self, client, path=None):
564
626
self.clients.append(client)
565
627
if path is None:
566
628
path = client.proxy.object_path
567
629
self.clients_dict[path] = client
568
self.clients.sort(key=lambda c: c.properties["Name"])
630
self.clients.sort(None, lambda c: c.properties["Name"])
569
631
self.refresh()
570
632
571
633
def remove_client(self, client, path=None):
572
634
self.clients.remove(client)
573
635
if path is None:
574
636
path = client.proxy.object_path
575
637
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()
576
643
self.refresh()
577
644
578
645
def refresh(self):
579
646
"""Redraw the screen"""
580
647
canvas = self.topwidget.render(self.size, focus=True)
581
648
self.screen.draw_screen(self.size, canvas)
582
649
583
650
def run(self):
584
651
"""Start the main loop and exit when it's done."""
585
log.addHandler(self.loghandler)
586
self.orig_log_propagate = log.propagate
587
log.propagate = False
588
self.orig_log_level = log.level
589
log.setLevel("INFO")
590
self.bus = dbus.SystemBus()
591
mandos_dbus_objc = self.bus.get_object(
592
self.busname, "/", follow_name_owner_changes=True)
593
self.mandos_serv = dbus.Interface(
594
mandos_dbus_objc, dbus_interface=server_interface)
595
try:
596
mandos_clients = (self.mandos_serv
597
.GetAllClientsWithProperties())
598
if not mandos_clients:
599
log.warning("Note: Server has no clients.")
600
except dbus.exceptions.DBusException:
601
log.warning("Note: No Mandos server running.")
602
mandos_clients = dbus.Dictionary()
603
604
(self.mandos_serv
605
.connect_to_signal("InterfacesRemoved",
606
self.find_and_remove_client,
607
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
608
byte_arrays=True))
609
(self.mandos_serv
610
.connect_to_signal("InterfacesAdded",
611
self.add_new_client,
612
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
613
byte_arrays=True))
614
(self.mandos_serv
615
.connect_to_signal("ClientNotFound",
616
self.client_not_found,
617
dbus_interface=server_interface,
618
byte_arrays=True))
619
for path, client in mandos_clients.items():
620
client_proxy_object = self.bus.get_object(self.busname,
621
path)
622
self.add_client(MandosClientWidget(
623
server_proxy_object=self.mandos_serv,
624
proxy_object=client_proxy_object,
625
properties=client,
626
update_hook=self.refresh,
627
delete_hook=self.remove_client),
628
path=path)
629
630
652
self.refresh()
631
self._input_callback_tag = (
632
GLib.io_add_watch(
633
GLib.IOChannel.unix_new(sys.stdin.fileno()),
634
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
635
glib_safely(self.process_input)))
653
self._input_callback_tag = (gobject.io_add_watch
654
(sys.stdin.fileno(),
655
gobject.IO_IN,
656
self.process_input))
636
657
self.main_loop.run()
637
658
# Main loop has finished, we should close everything now
638
GLib.source_remove(self._input_callback_tag)
639
with warnings.catch_warnings():
640
warnings.simplefilter("ignore", BytesWarning)
641
self.screen.stop()
642
659
gobject.source_remove(self._input_callback_tag)
660
self.screen.stop()
661
643
662
def stop(self):
644
663
self.main_loop.quit()
645
log.removeHandler(self.loghandler)
646
log.propagate = self.orig_log_propagate
647
664
648
665
def process_input(self, source, condition):
649
666
keys = self.screen.get_input()
650
translations = {"ctrl n": "down", # Emacs
651
"ctrl p": "up", # Emacs
652
"ctrl v": "page down", # Emacs
653
"meta v": "page up", # Emacs
654
" ": "page down", # less
655
"f": "page down", # less
656
"b": "page up", # less
657
"j": "down", # vi
658
"k": "up", # vi
659
}
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
}
660
677
for key in keys:
661
678
try:
662
679
key = translations[key]
663
680
except KeyError: # :-)
664
681
pass
665
682
666
683
if key == "q" or key == "Q":
667
684
self.stop()
668
685
break
669
686
elif key == "window resize":
670
687
self.size = self.screen.get_cols_rows()
671
688
self.refresh()
672
elif key == "ctrl l":
673
self.screen.clear()
689
elif key == "\f": # Ctrl-L
674
690
self.refresh()
675
691
elif key == "l" or key == "D":
676
692
self.toggle_log_display()
682
698
if not self.log_visible:
683
699
self.log_visible = True
684
700
self.rebuild()
685
self.add_log_line(("bold",
686
" ".join(("q: Quit",
687
"?: Help",
688
"l: Log window toggle",
689
"TAB: Switch window",
690
"w: Wrap (log lines)",
691
"v: Toggle verbose log",
692
))))
693
self.add_log_line(("bold",
694
" ".join(("Clients:",
695
"+: Enable",
696
"-: Disable",
697
"R: Remove",
698
"s: Start new checker",
699
"S: Stop checker",
700
"C: Checker OK",
701
"a: Approve",
702
"d: Deny",
703
))))
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"))))
704
719
self.refresh()
705
720
elif key == "tab":
706
721
if self.topwidget.get_focus() is self.logbox:
708
723
else:
709
724
self.topwidget.set_focus(self.logbox)
710
725
self.refresh()
711
elif key == "v":
712
if log.level < logging.INFO:
713
log.setLevel(logging.INFO)
714
log.info("Verbose mode: Off")
715
else:
716
log.setLevel(logging.NOTSET)
717
log.info("Verbose mode: On")
718
# elif (key == "end" or key == "meta >" or key == "G"
719
# or key == ">"):
720
# pass # xxx end-of-buffer
721
# elif (key == "home" or key == "meta <" or key == "g"
722
# or key == "<"):
723
# pass # xxx beginning-of-buffer
724
# elif key == "ctrl e" or key == "$":
725
# pass # xxx move-end-of-line
726
# elif key == "ctrl a" or key == "^":
727
# pass # xxx move-beginning-of-line
728
# elif key == "ctrl b" or key == "meta (" or key == "h":
729
# pass # xxx left
730
# elif key == "ctrl f" or key == "meta )" or key == "l":
731
# pass # xxx right
732
# elif key == "a":
733
# pass # scroll up log
734
# elif key == "z":
735
# pass # scroll down log
726
#elif (key == "end" or key == "meta >" or key == "G"
727
# or key == ">"):
728
# pass # xxx end-of-buffer
729
#elif (key == "home" or key == "meta <" or key == "g"
730
# or key == "<"):
731
# pass # xxx beginning-of-buffer
732
#elif key == "ctrl e" or key == "$":
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
736
744
elif self.topwidget.selectable():
737
745
self.topwidget.keypress(self.size, key)
738
746
self.refresh()
739
747
return True
740
748
741
742
class UILogHandler(logging.Handler):
743
def __init__(self, ui, *args, **kwargs):
744
self.ui = ui
745
super(UILogHandler, self).__init__(*args, **kwargs)
746
self.setFormatter(
747
logging.Formatter("%(asctime)s: %(message)s"))
748
def emit(self, record):
749
msg = self.format(record)
750
if record.levelno > logging.INFO:
751
msg = ("bold", msg)
752
self.ui.add_log_line(msg)
753
754
755
749
ui = UserInterface()
756
750
try:
757
751
ui.run()
758
752
except KeyboardInterrupt:
759
with warnings.catch_warnings():
760
warnings.filterwarnings("ignore", "", BytesWarning)
761
ui.screen.stop()
762
except Exception:
763
with warnings.catch_warnings():
764
warnings.filterwarnings("ignore", "", BytesWarning)
765
ui.screen.stop()
753
ui.screen.stop()
754
except Exception, e:
755
ui.log_message(unicode(e))
756
ui.screen.stop()
766
757
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0