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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/tests
- debian/upstream
- dracut-module
- 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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# 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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34
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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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41
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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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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 = "1.8.14"
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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 = "1.4.1"
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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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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
123
if interface == client_interface:
124
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()
113
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, **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
224
self.using_timer(True)
196
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if os.WIFEXITED(condition):
197
log.info('Checker for client %s (command "%s") failed'
198
" 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'
228
% (self.properties["Name"], command,
229
os.WEXITSTATUS(condition)))
200
230
elif os.WIFSIGNALED(condition):
201
log.info('Checker for client %s (command "%s") was'
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" killed by signal %d", self.properties["Name"],
203
command, os.WTERMSIG(condition))
231
self.logger('Checker for client %s (command "%s")'
232
' was killed by signal %s'
233
% (self.properties["Name"], command,
234
os.WTERMSIG(condition)))
235
elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
237
' dumped core'
238
% (self.properties["Name"], command))
239
else:
240
self.logger('Checker for client %s completed'
241
' mysteriously')
204
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self.update()
205
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206
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def checker_started(self, command):
207
"""Server signals that a checker started."""
208
log.debug('Client %s started checker "%s"',
209
self.properties["Name"], command)
210
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"""Server signals that a checker started. This could be useful
246
to log in the future. """
247
#self.logger('Client %s started checker "%s"'
248
# % (self.properties["Name"], unicode(command)))
249
pass
250
211
251
def got_secret(self):
212
log.info("Client %s received its secret",
213
self.properties["Name"])
214
252
self.last_checker_failed = False
253
self.logger('Client %s received its secret'
254
% self.properties["Name"])
255
215
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def need_approval(self, timeout, default):
216
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if not default:
217
message = "Client %s needs approval within %f seconds"
258
message = 'Client %s needs approval within %s seconds'
218
259
else:
219
message = "Client %s will get its secret in %f seconds"
220
log.info(message, self.properties["Name"], timeout/1000)
221
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message = 'Client %s will get its secret in %s seconds'
261
self.logger(message
262
% (self.properties["Name"], timeout/1000))
263
self.using_timer(True)
264
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def rejected(self, reason):
223
log.info("Client %s was rejected; reason: %s",
224
self.properties["Name"], reason)
225
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self.logger('Client %s was rejected; reason: %s'
267
% (self.properties["Name"], reason))
268
226
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def selectable(self):
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"""Make this a "selectable" widget.
228
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This overrides the method from urwid.FlowWidget."""
229
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return True
230
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def rows(self, maxcolrow, focus=False):
232
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"""How many rows this widget will occupy might depend on
233
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whether we have focus or not.
234
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This overrides the method from urwid.FlowWidget"""
235
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
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def current_widget(self, focus=False):
238
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if focus or self.opened:
239
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return self._focus_widget
240
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return self._widget
241
284
242
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def update(self):
243
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"Called when what is visible on the screen should be updated."
244
287
# How to add standout mode to a style
245
with_standout = {"normal": "standout",
246
"bold": "bold-standout",
247
"underline-blink":
248
"underline-blink-standout",
249
"bold-underline-blink":
250
"bold-underline-blink-standout",
251
}
288
with_standout = { "normal": "standout",
289
"bold": "bold-standout",
290
"underline-blink":
291
"underline-blink-standout",
292
"bold-underline-blink":
293
"bold-underline-blink-standout",
294
}
252
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253
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# Rebuild focus and non-focus widgets using current properties
254
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# Base part of a client. Name!
256
base = "{name}: ".format(name=self.properties["Name"])
299
base = ('%(name)s: '
300
% {"name": self.properties["Name"]})
257
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if not self.properties["Enabled"]:
258
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message = "DISABLED"
259
self.using_timer(False)
260
303
elif self.properties["ApprovalPending"]:
261
timeout = datetime.timedelta(
262
milliseconds=self.properties["ApprovalDelay"])
304
timeout = datetime.timedelta(milliseconds
305
= self.properties
306
["ApprovalDelay"])
263
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last_approval_request = isoformat_to_datetime(
264
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self.properties["LastApprovalRequest"])
265
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if last_approval_request is not None:
266
timer = max(timeout - (datetime.datetime.utcnow()
267
- last_approval_request),
268
datetime.timedelta())
310
timer = timeout - (datetime.datetime.utcnow()
311
- last_approval_request)
269
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else:
270
313
timer = datetime.timedelta()
271
314
if self.properties["ApprovedByDefault"]:
272
message = "Approval in {}. (d)eny?"
315
message = "Approval in %s. (d)eny?"
273
316
else:
274
message = "Denial in {}. (a)pprove?"
275
message = message.format(str(timer).rsplit(".", 1)[0])
276
self.using_timer(True)
277
elif self.properties["LastCheckerStatus"] != 0:
278
# 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
279
321
expires = self.properties["Expires"]
280
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if expires == "":
281
323
timer = datetime.timedelta(0)
282
324
else:
283
expires = (datetime.datetime.strptime
284
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
285
timer = max(expires - datetime.datetime.utcnow(),
286
datetime.timedelta())
287
message = ("A checker has failed! Time until client"
288
" gets disabled: {}"
289
.format(str(timer).rsplit(".", 1)[0]))
290
self.using_timer(True)
325
expires = datetime.datetime.strptime(expires,
326
'%Y-%m-%dT%H:%M:%S.%f')
327
timer = expires - datetime.datetime.utcnow()
328
message = ('A checker has failed! Time until client'
329
' gets disabled: %s'
330
% unicode(timer).rsplit(".", 1)[0])
291
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else:
292
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message = "enabled"
293
self.using_timer(False)
294
self._text = "{}{}".format(base, message)
295
333
self._text = "%s%s" % (base, message)
334
296
335
if not urwid.supports_unicode():
297
336
self._text = self._text.encode("ascii", "replace")
298
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textlist = [("normal", self._text)]
308
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# Run update hook, if any
309
348
if self.update_hook is not None:
310
349
self.update_hook()
311
350
312
351
def update_timer(self):
313
"""called by GLib. Will indefinitely loop until
314
GLib.source_remove() on tag is called
315
"""
352
"""called by gobject. Will indefinitely loop until
353
gobject.source_remove() on tag is called"""
316
354
self.update()
317
355
return True # Keep calling this
318
319
def delete(self, **kwargs):
356
357
def delete(self, *args, **kwargs):
320
358
if self._update_timer_callback_tag is not None:
321
GLib.source_remove(self._update_timer_callback_tag)
359
gobject.source_remove(self._update_timer_callback_tag)
322
360
self._update_timer_callback_tag = None
323
361
for match in self.match_objects:
324
362
match.remove()
325
363
self.match_objects = ()
326
364
if self.delete_hook is not None:
327
365
self.delete_hook(self)
328
return super(MandosClientWidget, self).delete(**kwargs)
329
366
return super(MandosClientWidget, self).delete(*args, **kwargs)
367
330
368
def render(self, maxcolrow, focus=False):
331
369
"""Render differently if we have focus.
332
370
This overrides the method from urwid.FlowWidget"""
333
371
return self.current_widget(focus).render(maxcolrow,
334
372
focus=focus)
335
373
336
374
def keypress(self, maxcolrow, key):
337
375
"""Handle keys.
338
376
This overrides the method from urwid.FlowWidget"""
339
377
if key == "+":
340
self.proxy.Set(client_interface, "Enabled",
341
dbus.Boolean(True), ignore_reply=True,
342
dbus_interface=dbus.PROPERTIES_IFACE)
378
self.proxy.Enable(dbus_interface = client_interface,
379
ignore_reply=True)
343
380
elif key == "-":
344
self.proxy.Set(client_interface, "Enabled", False,
345
ignore_reply=True,
346
dbus_interface=dbus.PROPERTIES_IFACE)
381
self.proxy.Disable(dbus_interface = client_interface,
382
ignore_reply=True)
347
383
elif key == "a":
348
384
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
349
dbus_interface=client_interface,
385
dbus_interface = client_interface,
350
386
ignore_reply=True)
351
387
elif key == "d":
352
388
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
353
dbus_interface=client_interface,
389
dbus_interface = client_interface,
354
390
ignore_reply=True)
355
391
elif key == "R" or key == "_" or key == "ctrl k":
356
392
self.server_proxy_object.RemoveClient(self.proxy
357
393
.object_path,
358
394
ignore_reply=True)
359
395
elif key == "s":
360
self.proxy.Set(client_interface, "CheckerRunning",
361
dbus.Boolean(True), ignore_reply=True,
362
dbus_interface=dbus.PROPERTIES_IFACE)
396
self.proxy.StartChecker(dbus_interface = client_interface,
397
ignore_reply=True)
363
398
elif key == "S":
364
self.proxy.Set(client_interface, "CheckerRunning",
365
dbus.Boolean(False), ignore_reply=True,
366
dbus_interface=dbus.PROPERTIES_IFACE)
399
self.proxy.StopChecker(dbus_interface = client_interface,
400
ignore_reply=True)
367
401
elif key == "C":
368
self.proxy.CheckedOK(dbus_interface=client_interface,
402
self.proxy.CheckedOK(dbus_interface = client_interface,
369
403
ignore_reply=True)
370
404
# xxx
371
405
# elif key == "p" or key == "=":
376
410
# self.open()
377
411
else:
378
412
return key
379
380
def properties_changed(self, interface, properties, invalidated):
381
"""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.
382
417
This overrides the method from MandosClientPropertyCache"""
383
old_values = {key: self.properties.get(key)
384
for key in properties.keys()}
385
super(MandosClientWidget, self).properties_changed(
386
interface, properties, invalidated)
387
if any(old_values[key] != self.properties.get(key)
388
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:
389
423
self.update()
390
424
391
425
392
def glib_safely(func, retval=True):
393
def safe_func(*args, **kwargs):
394
try:
395
return func(*args, **kwargs)
396
except Exception:
397
log.exception("")
398
return retval
399
return safe_func
400
401
402
426
class ConstrainedListBox(urwid.ListBox):
403
427
"""Like a normal urwid.ListBox, but will consume all "up" or
404
428
"down" key presses, thus not allowing any containing widgets to
405
429
use them as an excuse to shift focus away from this widget.
406
430
"""
407
def keypress(self, *args, **kwargs):
408
ret = (super(ConstrainedListBox, self)
409
.keypress(*args, **kwargs))
431
def keypress(self, maxcolrow, key):
432
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
410
433
if ret in ("up", "down"):
411
434
return
412
435
return ret
413
436
414
437
415
class UserInterface:
438
class UserInterface(object):
416
439
"""This is the entire user interface - the whole screen
417
440
with boxes, lists of client widgets, etc.
418
441
"""
419
442
def __init__(self, max_log_length=1000):
420
443
DBusGMainLoop(set_as_default=True)
421
444
422
445
self.screen = urwid.curses_display.Screen()
423
446
424
447
self.screen.register_palette((
425
448
("normal",
426
449
"default", "default", None),
427
450
("bold",
428
"bold", "default", "bold"),
451
"default", "default", "bold"),
429
452
("underline-blink",
430
"underline,blink", "default", "underline,blink"),
453
"default", "default", "underline"),
431
454
("standout",
432
"standout", "default", "standout"),
455
"default", "default", "standout"),
433
456
("bold-underline-blink",
434
"bold,underline,blink", "default",
435
"bold,underline,blink"),
457
"default", "default", ("bold", "underline")),
436
458
("bold-standout",
437
"bold,standout", "default", "bold,standout"),
459
"default", "default", ("bold", "standout")),
438
460
("underline-blink-standout",
439
"underline,blink,standout", "default",
440
"underline,blink,standout"),
461
"default", "default", ("underline", "standout")),
441
462
("bold-underline-blink-standout",
442
"bold,underline,blink,standout", "default",
443
"bold,underline,blink,standout"),
463
"default", "default", ("bold", "underline",
464
"standout")),
444
465
))
445
466
446
467
if urwid.supports_unicode():
447
self.divider = "─" # \u2500
468
self.divider = "─" # \u2500
469
#self.divider = "━" # \u2501
448
470
else:
449
self.divider = "_" # \u005f
450
471
#self.divider = "-" # \u002d
472
self.divider = "_" # \u005f
473
451
474
self.screen.start()
452
475
453
476
self.size = self.screen.get_cols_rows()
454
477
455
478
self.clients = urwid.SimpleListWalker([])
456
479
self.clients_dict = {}
457
480
458
481
# We will add Text widgets to this list
459
self.log = urwid.SimpleListWalker([])
482
self.log = []
460
483
self.max_log_length = max_log_length
461
484
462
485
# We keep a reference to the log widget so we can remove it
463
486
# from the ListWalker without it getting destroyed
464
487
self.logbox = ConstrainedListBox(self.log)
465
488
466
489
# This keeps track of whether self.uilist currently has
467
490
# self.logbox in it or not
468
491
self.log_visible = True
469
492
self.log_wrap = "any"
470
471
self.loghandler = UILogHandler(self)
472
493
473
494
self.rebuild()
474
self.add_log_line(("bold",
475
"Mandos Monitor version " + version))
476
self.add_log_line(("bold", "q: Quit ?: Help"))
477
478
self.busname = domain + ".Mandos"
479
self.main_loop = GLib.MainLoop()
480
481
def client_not_found(self, key_id, address):
482
log.info("Client with address %s and key ID %s could"
483
" not be found", address, key_id)
484
495
self.log_message_raw(("bold",
496
"Mandos Monitor version " + version))
497
self.log_message_raw(("bold",
498
"q: Quit ?: Help"))
499
500
self.busname = domain + '.Mandos'
501
self.main_loop = gobject.MainLoop()
502
503
def client_not_found(self, fingerprint, address):
504
self.log_message(("Client with address %s and fingerprint %s"
505
" could not be found" % (address,
506
fingerprint)))
507
485
508
def rebuild(self):
486
509
"""This rebuilds the User Interface.
487
510
Call this when the widget layout needs to change"""
488
511
self.uilist = []
489
# self.uilist.append(urwid.ListBox(self.clients))
512
#self.uilist.append(urwid.ListBox(self.clients))
490
513
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
491
514
clients),
492
# header=urwid.Divider(),
515
#header=urwid.Divider(),
493
516
header=None,
494
footer=urwid.Divider(
495
div_char=self.divider)))
517
footer=
518
urwid.Divider(div_char=
519
self.divider)))
496
520
if self.log_visible:
497
521
self.uilist.append(self.logbox)
498
522
self.topwidget = urwid.Pile(self.uilist)
499
500
def add_log_line(self, markup):
523
524
def log_message(self, message):
525
timestamp = datetime.datetime.now().isoformat()
526
self.log_message_raw(timestamp + ": " + message)
527
528
def log_message_raw(self, markup):
529
"""Add a log message to the log buffer."""
501
530
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
if self.max_log_length:
503
if len(self.log) > self.max_log_length:
504
del self.log[0:(len(self.log) - self.max_log_length)]
505
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),
506
535
coming_from="above")
507
536
self.refresh()
508
537
509
538
def toggle_log_display(self):
510
539
"""Toggle visibility of the log buffer."""
511
540
self.log_visible = not self.log_visible
512
541
self.rebuild()
513
log.debug("Log visibility changed to: %s", self.log_visible)
514
542
#self.log_message("Log visibility changed to: "
543
# + unicode(self.log_visible))
544
515
545
def change_log_display(self):
516
546
"""Change type of log display.
517
547
Currently, this toggles wrapping of text lines."""
521
551
self.log_wrap = "clip"
522
552
for textwidget in self.log:
523
553
textwidget.set_wrap_mode(self.log_wrap)
524
log.debug("Wrap mode: %s", self.log_wrap)
525
526
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):
527
557
"""Find a client by its object path and remove it.
528
529
This is connected to the InterfacesRemoved signal from the
558
559
This is connected to the ClientRemoved signal from the
530
560
Mandos server object."""
531
if client_interface not in interfaces:
532
# Not a Mandos client object; ignore
533
return
534
561
try:
535
562
client = self.clients_dict[path]
536
563
except KeyError:
537
564
# not found?
538
log.warning("Unknown client %s removed", path)
565
self.log_message("Unknown client %r (%r) removed", name,
566
path)
539
567
return
540
568
client.delete()
541
542
def add_new_client(self, path, ifs_and_props):
543
"""Find a client by its object path and remove it.
544
545
This is connected to the InterfacesAdded signal from the
546
Mandos server object.
547
"""
548
if client_interface not in ifs_and_props:
549
# Not a Mandos client object; ignore
550
return
569
570
def add_new_client(self, path):
551
571
client_proxy_object = self.bus.get_object(self.busname, path)
552
self.add_client(MandosClientWidget(
553
server_proxy_object=self.mandos_serv,
554
proxy_object=client_proxy_object,
555
update_hook=self.refresh,
556
delete_hook=self.remove_client,
557
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),
558
582
path=path)
559
583
560
584
def add_client(self, client, path=None):
561
585
self.clients.append(client)
562
586
if path is None:
563
587
path = client.proxy.object_path
564
588
self.clients_dict[path] = client
565
self.clients.sort(key=lambda c: c.properties["Name"])
589
self.clients.sort(None, lambda c: c.properties["Name"])
566
590
self.refresh()
567
591
568
592
def remove_client(self, client, path=None):
569
593
self.clients.remove(client)
570
594
if path is None:
571
595
path = client.proxy.object_path
572
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()
573
602
self.refresh()
574
603
575
604
def refresh(self):
576
605
"""Redraw the screen"""
577
606
canvas = self.topwidget.render(self.size, focus=True)
578
607
self.screen.draw_screen(self.size, canvas)
579
608
580
609
def run(self):
581
610
"""Start the main loop and exit when it's done."""
582
log.addHandler(self.loghandler)
583
self.orig_log_propagate = log.propagate
584
log.propagate = False
585
self.orig_log_level = log.level
586
log.setLevel("INFO")
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
log.warning("Note: Server has no clients.")
597
620
except dbus.exceptions.DBusException:
598
log.warning("Note: No Mandos server running.")
599
621
mandos_clients = dbus.Dictionary()
600
622
601
623
(self.mandos_serv
602
.connect_to_signal("InterfacesRemoved",
624
.connect_to_signal("ClientRemoved",
603
625
self.find_and_remove_client,
604
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
626
dbus_interface=server_interface,
605
627
byte_arrays=True))
606
628
(self.mandos_serv
607
.connect_to_signal("InterfacesAdded",
629
.connect_to_signal("ClientAdded",
608
630
self.add_new_client,
609
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
631
dbus_interface=server_interface,
610
632
byte_arrays=True))
611
633
(self.mandos_serv
612
634
.connect_to_signal("ClientNotFound",
613
635
self.client_not_found,
614
636
dbus_interface=server_interface,
615
637
byte_arrays=True))
616
for path, client in mandos_clients.items():
638
for path, client in mandos_clients.iteritems():
617
639
client_proxy_object = self.bus.get_object(self.busname,
618
640
path)
619
self.add_client(MandosClientWidget(
620
server_proxy_object=self.mandos_serv,
621
proxy_object=client_proxy_object,
622
properties=client,
623
update_hook=self.refresh,
624
delete_hook=self.remove_client),
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),
625
652
path=path)
626
653
627
654
self.refresh()
628
self._input_callback_tag = (
629
GLib.io_add_watch(
630
GLib.IOChannel.unix_new(sys.stdin.fileno()),
631
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
632
glib_safely(self.process_input)))
655
self._input_callback_tag = (gobject.io_add_watch
656
(sys.stdin.fileno(),
657
gobject.IO_IN,
658
self.process_input))
633
659
self.main_loop.run()
634
660
# Main loop has finished, we should close everything now
635
GLib.source_remove(self._input_callback_tag)
636
with warnings.catch_warnings():
637
warnings.simplefilter("ignore", BytesWarning)
638
self.screen.stop()
639
661
gobject.source_remove(self._input_callback_tag)
662
self.screen.stop()
663
640
664
def stop(self):
641
665
self.main_loop.quit()
642
log.removeHandler(self.loghandler)
643
log.propagate = self.orig_log_propagate
644
666
645
667
def process_input(self, source, condition):
646
668
keys = self.screen.get_input()
647
translations = {"ctrl n": "down", # Emacs
648
"ctrl p": "up", # Emacs
649
"ctrl v": "page down", # Emacs
650
"meta v": "page up", # Emacs
651
" ": "page down", # less
652
"f": "page down", # less
653
"b": "page up", # less
654
"j": "down", # vi
655
"k": "up", # vi
656
}
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
}
657
679
for key in keys:
658
680
try:
659
681
key = translations[key]
660
682
except KeyError: # :-)
661
683
pass
662
684
663
685
if key == "q" or key == "Q":
664
686
self.stop()
665
687
break
666
688
elif key == "window resize":
667
689
self.size = self.screen.get_cols_rows()
668
690
self.refresh()
669
elif key == "ctrl l":
670
self.screen.clear()
691
elif key == "\f": # Ctrl-L
671
692
self.refresh()
672
693
elif key == "l" or key == "D":
673
694
self.toggle_log_display()
679
700
if not self.log_visible:
680
701
self.log_visible = True
681
702
self.rebuild()
682
self.add_log_line(("bold",
683
" ".join(("q: Quit",
684
"?: Help",
685
"l: Log window toggle",
686
"TAB: Switch window",
687
"w: Wrap (log lines)",
688
"v: Toggle verbose log",
689
))))
690
self.add_log_line(("bold",
691
" ".join(("Clients:",
692
"+: Enable",
693
"-: Disable",
694
"R: Remove",
695
"s: Start new checker",
696
"S: Stop checker",
697
"C: Checker OK",
698
"a: Approve",
699
"d: Deny",
700
))))
703
self.log_message_raw(("bold",
704
" ".
705
join(("q: Quit",
706
"?: Help",
707
"l: Log window toggle",
708
"TAB: Switch window",
709
"w: Wrap (log)"))))
710
self.log_message_raw(("bold",
711
" "
712
.join(("Clients:",
713
"+: Enable",
714
"-: Disable",
715
"R: Remove",
716
"s: Start new checker",
717
"S: Stop checker",
718
"C: Checker OK",
719
"a: Approve",
720
"d: Deny"))))
701
721
self.refresh()
702
722
elif key == "tab":
703
723
if self.topwidget.get_focus() is self.logbox:
705
725
else:
706
726
self.topwidget.set_focus(self.logbox)
707
727
self.refresh()
708
elif key == "v":
709
if log.level < logging.INFO:
710
log.setLevel(logging.INFO)
711
log.info("Verbose mode: Off")
712
else:
713
log.setLevel(logging.NOTSET)
714
log.info("Verbose mode: On")
715
# elif (key == "end" or key == "meta >" or key == "G"
716
# or key == ">"):
717
# pass # xxx end-of-buffer
718
# elif (key == "home" or key == "meta <" or key == "g"
719
# or key == "<"):
720
# pass # xxx beginning-of-buffer
721
# elif key == "ctrl e" or key == "$":
722
# pass # xxx move-end-of-line
723
# elif key == "ctrl a" or key == "^":
724
# pass # xxx move-beginning-of-line
725
# elif key == "ctrl b" or key == "meta (" or key == "h":
726
# pass # xxx left
727
# elif key == "ctrl f" or key == "meta )" or key == "l":
728
# pass # xxx right
729
# elif key == "a":
730
# pass # scroll up log
731
# elif key == "z":
732
# pass # scroll down log
728
#elif (key == "end" or key == "meta >" or key == "G"
729
# or key == ">"):
730
# pass # xxx end-of-buffer
731
#elif (key == "home" or key == "meta <" or key == "g"
732
# or key == "<"):
733
# pass # xxx beginning-of-buffer
734
#elif key == "ctrl e" or key == "$":
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
733
746
elif self.topwidget.selectable():
734
747
self.topwidget.keypress(self.size, key)
735
748
self.refresh()
736
749
return True
737
750
738
739
class UILogHandler(logging.Handler):
740
def __init__(self, ui, *args, **kwargs):
741
self.ui = ui
742
super(UILogHandler, self).__init__(*args, **kwargs)
743
self.setFormatter(
744
logging.Formatter("%(asctime)s: %(message)s"))
745
def emit(self, record):
746
msg = self.format(record)
747
if record.levelno > logging.INFO:
748
msg = ("bold", msg)
749
self.ui.add_log_line(msg)
750
751
752
751
ui = UserInterface()
753
752
try:
754
753
ui.run()
755
754
except KeyboardInterrupt:
756
with warnings.catch_warnings():
757
warnings.filterwarnings("ignore", "", BytesWarning)
758
ui.screen.stop()
759
except Exception:
760
with warnings.catch_warnings():
761
warnings.filterwarnings("ignore", "", BytesWarning)
762
ui.screen.stop()
755
ui.screen.stop()
756
except Exception, e:
757
ui.log_message(unicode(e))
758
ui.screen.stop()
763
759
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0