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- Committer: Teddy Hogeborn
- Date: 2011-11-24 20:15:24 UTC
- mto: (505.2.8 mandos-client-network-hooks)
- mto: This revision was merged to the branch mainline in revision 525.
- Revision ID: teddy@recompile.se-20111124201524-5w9ovzpuw3drdlgf
* network-hooks.d: New directory.
* network-hooks.d/bridge: New example hook.
* network-hooks.d/bridge.conf: Config file for bridge example hook.
* network-hooks.d/bridge: New example hook.
* network-hooks.d/bridge.conf: Config file for bridge example hook.
- 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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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 = "1.4.1"
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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
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if interface == client_interface:
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self.properties.update(properties)
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def delete(self):
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self.properties[property] = value
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def delete(self, *args, **kwargs):
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self.property_changed_match.remove()
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super(MandosClientPropertyCache, self).__init__(
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*args, **kwargs)
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, **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):
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log.info('Checker for client %s (command "%s") was'
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" killed by signal %d", self.properties["Name"],
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command, os.WTERMSIG(condition))
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self.logger('Checker for client %s (command "%s")'
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' was killed by signal %s'
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% (self.properties["Name"], command,
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os.WTERMSIG(condition)))
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elif os.WCOREDUMP(condition):
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self.logger('Checker for client %s (command "%s")'
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' dumped core'
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% (self.properties["Name"], command))
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else:
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self.logger('Checker for client %s completed'
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' mysteriously')
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self.update()
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def checker_started(self, command):
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"""Server signals that a checker started."""
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log.debug('Client %s started checker "%s"',
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self.properties["Name"], command)
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#self.logger('Client %s started checker "%s"'
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# % (self.properties["Name"], unicode(command)))
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pass
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def got_secret(self):
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log.info("Client %s received its secret",
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self.properties["Name"])
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self.last_checker_failed = False
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self.logger('Client %s received its secret'
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% self.properties["Name"])
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def need_approval(self, timeout, default):
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if not default:
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message = "Client %s needs approval within %f seconds"
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message = 'Client %s needs approval within %s seconds'
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else:
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message = "Client %s will get its secret in %f seconds"
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log.info(message, self.properties["Name"], timeout/1000)
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message = 'Client %s will get its secret in %s seconds'
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self.logger(message
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% (self.properties["Name"], timeout/1000))
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self.using_timer(True)
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def rejected(self, reason):
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log.info("Client %s was rejected; reason: %s",
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self.properties["Name"], reason)
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self.logger('Client %s was rejected; reason: %s'
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% (self.properties["Name"], reason))
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def selectable(self):
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"""Make this a "selectable" widget.
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This overrides the method from urwid.FlowWidget."""
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return True
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def rows(self, maxcolrow, focus=False):
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"""How many rows this widget will occupy might depend on
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whether we have focus or not.
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This overrides the method from urwid.FlowWidget"""
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
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def current_widget(self, focus=False):
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if focus or self.opened:
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return self._focus_widget
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return self._widget
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def update(self):
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"Called when what is visible on the screen should be updated."
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# How to add standout mode to a style
246
with_standout = {"normal": "standout",
247
"bold": "bold-standout",
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"underline-blink":
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"underline-blink-standout",
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"bold-underline-blink":
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"bold-underline-blink-standout",
252
}
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with_standout = { "normal": "standout",
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"bold": "bold-standout",
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"underline-blink":
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"underline-blink-standout",
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"bold-underline-blink":
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"bold-underline-blink-standout",
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}
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# Rebuild focus and non-focus widgets using current properties
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# Base part of a client. Name!
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base = "{name}: ".format(name=self.properties["Name"])
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base = ('%(name)s: '
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% {"name": self.properties["Name"]})
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if not self.properties["Enabled"]:
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message = "DISABLED"
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self.using_timer(False)
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elif self.properties["ApprovalPending"]:
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timeout = datetime.timedelta(
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milliseconds=self.properties["ApprovalDelay"])
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timeout = datetime.timedelta(milliseconds
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= self.properties
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["ApprovalDelay"])
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last_approval_request = isoformat_to_datetime(
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self.properties["LastApprovalRequest"])
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if last_approval_request is not None:
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timer = max(timeout - (datetime.datetime.utcnow()
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- last_approval_request),
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datetime.timedelta())
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timer = timeout - (datetime.datetime.utcnow()
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- last_approval_request)
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else:
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timer = datetime.timedelta()
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if self.properties["ApprovedByDefault"]:
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message = "Approval in {}. (d)eny?"
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message = "Approval in %s. (d)eny?"
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else:
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message = "Denial in {}. (a)pprove?"
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message = message.format(str(timer).rsplit(".", 1)[0])
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self.using_timer(True)
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elif self.properties["LastCheckerStatus"] != 0:
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# When checker has failed, show timer until client expires
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message = "Denial in %s. (a)pprove?"
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message = message % unicode(timer).rsplit(".", 1)[0]
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elif self.last_checker_failed:
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# When checker has failed, print a timer until client expires
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expires = self.properties["Expires"]
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if expires == "":
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timer = datetime.timedelta(0)
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else:
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expires = (datetime.datetime.strptime
285
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
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timer = max(expires - datetime.datetime.utcnow(),
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datetime.timedelta())
288
message = ("A checker has failed! Time until client"
289
" gets disabled: {}"
290
.format(str(timer).rsplit(".", 1)[0]))
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self.using_timer(True)
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expires = datetime.datetime.strptime(expires,
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'%Y-%m-%dT%H:%M:%S.%f')
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timer = expires - datetime.datetime.utcnow()
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message = ('A checker has failed! Time until client'
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' gets disabled: %s'
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% unicode(timer).rsplit(".", 1)[0])
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else:
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message = "enabled"
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self.using_timer(False)
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self._text = "{}{}".format(base, message)
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self._text = "%s%s" % (base, message)
332
297
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if not urwid.supports_unicode():
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self._text = self._text.encode("ascii", "replace")
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textlist = [("normal", self._text)]
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# Run update hook, if any
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if self.update_hook is not None:
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self.update_hook()
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348
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def update_timer(self):
314
"""called by GLib. Will indefinitely loop until
315
GLib.source_remove() on tag is called
316
"""
350
"""called by gobject. Will indefinitely loop until
351
gobject.source_remove() on tag is called"""
317
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self.update()
318
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return True # Keep calling this
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def delete(self, **kwargs):
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def delete(self, *args, **kwargs):
321
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if self._update_timer_callback_tag is not None:
322
GLib.source_remove(self._update_timer_callback_tag)
357
gobject.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = None
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for match in self.match_objects:
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match.remove()
326
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self.match_objects = ()
327
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if self.delete_hook is not None:
328
363
self.delete_hook(self)
329
return super(MandosClientWidget, self).delete(**kwargs)
330
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return super(MandosClientWidget, self).delete(*args, **kwargs)
365
331
366
def render(self, maxcolrow, focus=False):
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367
"""Render differently if we have focus.
333
368
This overrides the method from urwid.FlowWidget"""
334
369
return self.current_widget(focus).render(maxcolrow,
335
370
focus=focus)
336
371
337
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def keypress(self, maxcolrow, key):
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"""Handle keys.
339
374
This overrides the method from urwid.FlowWidget"""
340
375
if key == "+":
341
self.proxy.Set(client_interface, "Enabled",
342
dbus.Boolean(True), ignore_reply=True,
343
dbus_interface=dbus.PROPERTIES_IFACE)
376
self.proxy.Enable(dbus_interface = client_interface,
377
ignore_reply=True)
344
378
elif key == "-":
345
self.proxy.Set(client_interface, "Enabled", False,
346
ignore_reply=True,
347
dbus_interface=dbus.PROPERTIES_IFACE)
379
self.proxy.Disable(dbus_interface = client_interface,
380
ignore_reply=True)
348
381
elif key == "a":
349
382
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
350
dbus_interface=client_interface,
383
dbus_interface = client_interface,
351
384
ignore_reply=True)
352
385
elif key == "d":
353
386
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
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dbus_interface=client_interface,
387
dbus_interface = client_interface,
355
388
ignore_reply=True)
356
389
elif key == "R" or key == "_" or key == "ctrl k":
357
390
self.server_proxy_object.RemoveClient(self.proxy
358
391
.object_path,
359
392
ignore_reply=True)
360
393
elif key == "s":
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(True), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
394
self.proxy.StartChecker(dbus_interface = client_interface,
395
ignore_reply=True)
364
396
elif key == "S":
365
self.proxy.Set(client_interface, "CheckerRunning",
366
dbus.Boolean(False), ignore_reply=True,
367
dbus_interface=dbus.PROPERTIES_IFACE)
397
self.proxy.StopChecker(dbus_interface = client_interface,
398
ignore_reply=True)
368
399
elif key == "C":
369
self.proxy.CheckedOK(dbus_interface=client_interface,
400
self.proxy.CheckedOK(dbus_interface = client_interface,
370
401
ignore_reply=True)
371
402
# xxx
372
403
# elif key == "p" or key == "=":
377
408
# self.open()
378
409
else:
379
410
return key
380
381
def properties_changed(self, interface, properties, invalidated):
382
"""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.
383
415
This overrides the method from MandosClientPropertyCache"""
384
old_values = {key: self.properties.get(key)
385
for key in properties.keys()}
386
super(MandosClientWidget, self).properties_changed(
387
interface, properties, invalidated)
388
if any(old_values[key] != self.properties.get(key)
389
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:
390
421
self.update()
391
422
392
423
393
def glib_safely(func, retval=True):
394
def safe_func(*args, **kwargs):
395
try:
396
return func(*args, **kwargs)
397
except Exception:
398
log.exception("")
399
return retval
400
return safe_func
401
402
403
424
class ConstrainedListBox(urwid.ListBox):
404
425
"""Like a normal urwid.ListBox, but will consume all "up" or
405
426
"down" key presses, thus not allowing any containing widgets to
406
427
use them as an excuse to shift focus away from this widget.
407
428
"""
408
def keypress(self, *args, **kwargs):
409
ret = (super(ConstrainedListBox, self)
410
.keypress(*args, **kwargs))
429
def keypress(self, maxcolrow, key):
430
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
411
431
if ret in ("up", "down"):
412
432
return
413
433
return ret
414
434
415
435
416
class UserInterface:
436
class UserInterface(object):
417
437
"""This is the entire user interface - the whole screen
418
438
with boxes, lists of client widgets, etc.
419
439
"""
420
440
def __init__(self, max_log_length=1000):
421
441
DBusGMainLoop(set_as_default=True)
422
442
423
443
self.screen = urwid.curses_display.Screen()
424
444
425
445
self.screen.register_palette((
426
446
("normal",
427
447
"default", "default", None),
428
448
("bold",
429
"bold", "default", "bold"),
449
"default", "default", "bold"),
430
450
("underline-blink",
431
"underline,blink", "default", "underline,blink"),
451
"default", "default", "underline"),
432
452
("standout",
433
"standout", "default", "standout"),
453
"default", "default", "standout"),
434
454
("bold-underline-blink",
435
"bold,underline,blink", "default",
436
"bold,underline,blink"),
455
"default", "default", ("bold", "underline")),
437
456
("bold-standout",
438
"bold,standout", "default", "bold,standout"),
457
"default", "default", ("bold", "standout")),
439
458
("underline-blink-standout",
440
"underline,blink,standout", "default",
441
"underline,blink,standout"),
459
"default", "default", ("underline", "standout")),
442
460
("bold-underline-blink-standout",
443
"bold,underline,blink,standout", "default",
444
"bold,underline,blink,standout"),
461
"default", "default", ("bold", "underline",
462
"standout")),
445
463
))
446
464
447
465
if urwid.supports_unicode():
448
self.divider = "─" # \u2500
466
self.divider = "─" # \u2500
467
#self.divider = "━" # \u2501
449
468
else:
450
self.divider = "_" # \u005f
451
469
#self.divider = "-" # \u002d
470
self.divider = "_" # \u005f
471
452
472
self.screen.start()
453
473
454
474
self.size = self.screen.get_cols_rows()
455
475
456
476
self.clients = urwid.SimpleListWalker([])
457
477
self.clients_dict = {}
458
478
459
479
# We will add Text widgets to this list
460
self.log = urwid.SimpleListWalker([])
480
self.log = []
461
481
self.max_log_length = max_log_length
462
482
463
483
# We keep a reference to the log widget so we can remove it
464
484
# from the ListWalker without it getting destroyed
465
485
self.logbox = ConstrainedListBox(self.log)
466
486
467
487
# This keeps track of whether self.uilist currently has
468
488
# self.logbox in it or not
469
489
self.log_visible = True
470
490
self.log_wrap = "any"
471
472
self.loghandler = UILogHandler(self)
473
491
474
492
self.rebuild()
475
self.add_log_line(("bold",
476
"Mandos Monitor version " + version))
477
self.add_log_line(("bold", "q: Quit ?: Help"))
478
479
self.busname = domain + ".Mandos"
480
self.main_loop = GLib.MainLoop()
481
482
def client_not_found(self, key_id, address):
483
log.info("Client with address %s and key ID %s could"
484
" not be found", address, key_id)
485
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
486
548
def rebuild(self):
487
549
"""This rebuilds the User Interface.
488
550
Call this when the widget layout needs to change"""
489
551
self.uilist = []
490
# self.uilist.append(urwid.ListBox(self.clients))
552
#self.uilist.append(urwid.ListBox(self.clients))
491
553
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
492
554
clients),
493
# header=urwid.Divider(),
555
#header=urwid.Divider(),
494
556
header=None,
495
footer=urwid.Divider(
496
div_char=self.divider)))
557
footer=
558
urwid.Divider(div_char=
559
self.divider)))
497
560
if self.log_visible:
498
561
self.uilist.append(self.logbox)
562
pass
499
563
self.topwidget = urwid.Pile(self.uilist)
500
501
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."""
502
571
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
503
if self.max_log_length:
504
if len(self.log) > self.max_log_length:
505
del self.log[0:(len(self.log) - self.max_log_length)]
506
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),
507
576
coming_from="above")
508
577
self.refresh()
509
578
510
579
def toggle_log_display(self):
511
580
"""Toggle visibility of the log buffer."""
512
581
self.log_visible = not self.log_visible
513
582
self.rebuild()
514
log.debug("Log visibility changed to: %s", self.log_visible)
515
583
#self.log_message("Log visibility changed to: "
584
# + unicode(self.log_visible))
585
516
586
def change_log_display(self):
517
587
"""Change type of log display.
518
588
Currently, this toggles wrapping of text lines."""
522
592
self.log_wrap = "clip"
523
593
for textwidget in self.log:
524
594
textwidget.set_wrap_mode(self.log_wrap)
525
log.debug("Wrap mode: %s", self.log_wrap)
526
527
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):
528
598
"""Find a client by its object path and remove it.
529
530
This is connected to the InterfacesRemoved signal from the
599
600
This is connected to the ClientRemoved signal from the
531
601
Mandos server object."""
532
if client_interface not in interfaces:
533
# Not a Mandos client object; ignore
534
return
535
602
try:
536
603
client = self.clients_dict[path]
537
604
except KeyError:
538
605
# not found?
539
log.warning("Unknown client %s removed", path)
606
self.log_message("Unknown client %r (%r) removed", name,
607
path)
540
608
return
541
609
client.delete()
542
543
def add_new_client(self, path, ifs_and_props):
544
"""Find a client by its object path and remove it.
545
546
This is connected to the InterfacesAdded signal from the
547
Mandos server object.
548
"""
549
if client_interface not in ifs_and_props:
550
# Not a Mandos client object; ignore
551
return
610
611
def add_new_client(self, path):
552
612
client_proxy_object = self.bus.get_object(self.busname, path)
553
self.add_client(MandosClientWidget(
554
server_proxy_object=self.mandos_serv,
555
proxy_object=client_proxy_object,
556
update_hook=self.refresh,
557
delete_hook=self.remove_client,
558
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),
559
623
path=path)
560
624
561
625
def add_client(self, client, path=None):
562
626
self.clients.append(client)
563
627
if path is None:
564
628
path = client.proxy.object_path
565
629
self.clients_dict[path] = client
566
self.clients.sort(key=lambda c: c.properties["Name"])
630
self.clients.sort(None, lambda c: c.properties["Name"])
567
631
self.refresh()
568
632
569
633
def remove_client(self, client, path=None):
570
634
self.clients.remove(client)
571
635
if path is None:
572
636
path = client.proxy.object_path
573
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()
574
643
self.refresh()
575
644
576
645
def refresh(self):
577
646
"""Redraw the screen"""
578
647
canvas = self.topwidget.render(self.size, focus=True)
579
648
self.screen.draw_screen(self.size, canvas)
580
649
581
650
def run(self):
582
651
"""Start the main loop and exit when it's done."""
583
log.addHandler(self.loghandler)
584
self.orig_log_propagate = log.propagate
585
log.propagate = False
586
self.orig_log_level = log.level
587
log.setLevel("INFO")
588
self.bus = dbus.SystemBus()
589
mandos_dbus_objc = self.bus.get_object(
590
self.busname, "/", follow_name_owner_changes=True)
591
self.mandos_serv = dbus.Interface(
592
mandos_dbus_objc, dbus_interface=server_interface)
593
try:
594
mandos_clients = (self.mandos_serv
595
.GetAllClientsWithProperties())
596
if not mandos_clients:
597
log.warning("Note: Server has no clients.")
598
except dbus.exceptions.DBusException:
599
log.warning("Note: No Mandos server running.")
600
mandos_clients = dbus.Dictionary()
601
602
(self.mandos_serv
603
.connect_to_signal("InterfacesRemoved",
604
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
606
byte_arrays=True))
607
(self.mandos_serv
608
.connect_to_signal("InterfacesAdded",
609
self.add_new_client,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
611
byte_arrays=True))
612
(self.mandos_serv
613
.connect_to_signal("ClientNotFound",
614
self.client_not_found,
615
dbus_interface=server_interface,
616
byte_arrays=True))
617
for path, client in mandos_clients.items():
618
client_proxy_object = self.bus.get_object(self.busname,
619
path)
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
623
properties=client,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client),
626
path=path)
627
628
652
self.refresh()
629
self._input_callback_tag = (
630
GLib.io_add_watch(
631
GLib.IOChannel.unix_new(sys.stdin.fileno()),
632
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
633
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))
634
657
self.main_loop.run()
635
658
# Main loop has finished, we should close everything now
636
GLib.source_remove(self._input_callback_tag)
637
with warnings.catch_warnings():
638
warnings.simplefilter("ignore", BytesWarning)
639
self.screen.stop()
640
659
gobject.source_remove(self._input_callback_tag)
660
self.screen.stop()
661
641
662
def stop(self):
642
663
self.main_loop.quit()
643
log.removeHandler(self.loghandler)
644
log.propagate = self.orig_log_propagate
645
664
646
665
def process_input(self, source, condition):
647
666
keys = self.screen.get_input()
648
translations = {"ctrl n": "down", # Emacs
649
"ctrl p": "up", # Emacs
650
"ctrl v": "page down", # Emacs
651
"meta v": "page up", # Emacs
652
" ": "page down", # less
653
"f": "page down", # less
654
"b": "page up", # less
655
"j": "down", # vi
656
"k": "up", # vi
657
}
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
}
658
677
for key in keys:
659
678
try:
660
679
key = translations[key]
661
680
except KeyError: # :-)
662
681
pass
663
682
664
683
if key == "q" or key == "Q":
665
684
self.stop()
666
685
break
667
686
elif key == "window resize":
668
687
self.size = self.screen.get_cols_rows()
669
688
self.refresh()
670
elif key == "ctrl l":
671
self.screen.clear()
689
elif key == "\f": # Ctrl-L
672
690
self.refresh()
673
691
elif key == "l" or key == "D":
674
692
self.toggle_log_display()
680
698
if not self.log_visible:
681
699
self.log_visible = True
682
700
self.rebuild()
683
self.add_log_line(("bold",
684
" ".join(("q: Quit",
685
"?: Help",
686
"l: Log window toggle",
687
"TAB: Switch window",
688
"w: Wrap (log lines)",
689
"v: Toggle verbose log",
690
))))
691
self.add_log_line(("bold",
692
" ".join(("Clients:",
693
"+: Enable",
694
"-: Disable",
695
"R: Remove",
696
"s: Start new checker",
697
"S: Stop checker",
698
"C: Checker OK",
699
"a: Approve",
700
"d: Deny",
701
))))
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"))))
702
719
self.refresh()
703
720
elif key == "tab":
704
721
if self.topwidget.get_focus() is self.logbox:
706
723
else:
707
724
self.topwidget.set_focus(self.logbox)
708
725
self.refresh()
709
elif key == "v":
710
if log.level < logging.INFO:
711
log.setLevel(logging.INFO)
712
log.info("Verbose mode: Off")
713
else:
714
log.setLevel(logging.NOTSET)
715
log.info("Verbose mode: On")
716
# elif (key == "end" or key == "meta >" or key == "G"
717
# or key == ">"):
718
# pass # xxx end-of-buffer
719
# elif (key == "home" or key == "meta <" or key == "g"
720
# or key == "<"):
721
# pass # xxx beginning-of-buffer
722
# elif key == "ctrl e" or key == "$":
723
# pass # xxx move-end-of-line
724
# elif key == "ctrl a" or key == "^":
725
# pass # xxx move-beginning-of-line
726
# elif key == "ctrl b" or key == "meta (" or key == "h":
727
# pass # xxx left
728
# elif key == "ctrl f" or key == "meta )" or key == "l":
729
# pass # xxx right
730
# elif key == "a":
731
# pass # scroll up log
732
# elif key == "z":
733
# pass # scroll down log
726
#elif (key == "end" or key == "meta >" or key == "G"
727
# or key == ">"):
728
# pass # xxx end-of-buffer
729
#elif (key == "home" or key == "meta <" or key == "g"
730
# or key == "<"):
731
# pass # xxx beginning-of-buffer
732
#elif key == "ctrl e" or key == "$":
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
734
744
elif self.topwidget.selectable():
735
745
self.topwidget.keypress(self.size, key)
736
746
self.refresh()
737
747
return True
738
748
739
740
class UILogHandler(logging.Handler):
741
def __init__(self, ui, *args, **kwargs):
742
self.ui = ui
743
super(UILogHandler, self).__init__(*args, **kwargs)
744
self.setFormatter(
745
logging.Formatter("%(asctime)s: %(message)s"))
746
def emit(self, record):
747
msg = self.format(record)
748
if record.levelno > logging.INFO:
749
msg = ("bold", msg)
750
self.ui.add_log_line(msg)
751
752
753
749
ui = UserInterface()
754
750
try:
755
751
ui.run()
756
752
except KeyboardInterrupt:
757
with warnings.catch_warnings():
758
warnings.filterwarnings("ignore", "", BytesWarning)
759
ui.screen.stop()
760
except Exception:
761
with warnings.catch_warnings():
762
warnings.filterwarnings("ignore", "", BytesWarning)
763
ui.screen.stop()
753
ui.screen.stop()
754
except Exception, e:
755
ui.log_message(unicode(e))
756
ui.screen.stop()
764
757
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0