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- Committer: Teddy Hogeborn
- Date: 2016-11-26 23:21:16 UTC
- mto: (237.7.594 trunk)
- mto: This revision was merged to the branch mainline in revision 356.
- Revision ID: teddy@recompile.se-20161126232116-nhqk9x1qij09b7cx
Add comment in documentation source with clarifying text.
* intro.xml (INTRODUCTION): Add comment with clarification.
* intro.xml (INTRODUCTION): Add comment with clarification.
- files added:
- bugs.xml
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
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1
#!/usr/bin/python
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2
# -*- 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 © 2009,2010 Teddy Hogeborn
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# Copyright © 2009,2010 Björn Påhlsson
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#
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#
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# Copyright © 2009-2016 Teddy Hogeborn
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# Copyright © 2009-2016 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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# 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 this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Contact the authors at <mandos@fukt.bsnet.se>.
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#
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# along with this program. If not, see
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# <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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from __future__ import division, absolute_import, with_statement
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from __future__ import (division, absolute_import, print_function,
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unicode_literals)
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try:
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from future_builtins import *
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except ImportError:
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pass
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import sys
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import os
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import signal
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import datetime
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import urwid
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from dbus.mainloop.glib import DBusGMainLoop
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import gobject
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from gi.repository import GLib
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import dbus
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import UserList
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import locale
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locale.setlocale(locale.LC_ALL, u'')
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import logging
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if sys.version_info.major == 2:
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str = unicode
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locale.setlocale(locale.LC_ALL, '')
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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# Some useful constants
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domain = 'se.bsnet.fukt'
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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 = "1.2.3"
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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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version = "1.7.13"
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try:
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dbus.OBJECT_MANAGER_IFACE
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except AttributeError:
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dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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def isoformat_to_datetime(iso):
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"Parse an ISO 8601 date string to a datetime.datetime()"
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if not iso:
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return None
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d, t = iso.split(u"T", 1)
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year, month, day = d.split(u"-", 2)
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hour, minute, second = t.split(u":", 2)
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d, t = iso.split("T", 1)
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year, month, day = d.split("-", 2)
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hour, minute, second = t.split(":", 2)
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second, fraction = divmod(float(second), 1)
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return datetime.datetime(int(year),
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int(month),
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int(day),
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int(hour),
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int(minute),
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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class MandosClientPropertyCache(object):
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"""This wraps a Mandos Client D-Bus proxy object, caches the
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properties and calls a hook function when any of them are
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changed.
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"""
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def __init__(self, proxy_object=None, *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.proxy.connect_to_signal(u"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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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 break 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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def __init__(self, proxy_object=None, properties=None, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict() if properties is None else properties
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self.property_changed_match = (
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self.proxy.connect_to_signal("PropertiesChanged",
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self.properties_changed,
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dbus.PROPERTIES_IFACE,
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byte_arrays=True))
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if properties is None:
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self.properties.update(self.proxy.GetAll(
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client_interface,
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dbus_interface=dbus.PROPERTIES_IFACE))
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super(MandosClientPropertyCache, self).__init__(**kwargs)
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def properties_changed(self, interface, properties, invalidated):
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"""This is called whenever we get a PropertiesChanged signal
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It updates the changed properties in the "properties" dict.
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"""
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# Update properties dict with new value
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self.properties[property] = value
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if interface == client_interface:
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self.properties.update(properties)
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def delete(self):
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self.property_changed_match.remove()
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, logger=None, *args, **kwargs):
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delete_hook=None, logger=None, **kwargs):
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# Called on update
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self.update_hook = update_hook
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# Called on delete
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self.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(u"")
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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(u"")
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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._focus_text_widget = urwid.Text("")
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super(MandosClientWidget, self).__init__(**kwargs)
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self.update()
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self.opened = False
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last_checked_ok = isoformat_to_datetime(self.properties
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[u"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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[u"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.proxy.connect_to_signal(u"CheckerCompleted",
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self.checker_completed,
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client_interface,
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byte_arrays=True)
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self.proxy.connect_to_signal(u"CheckerStarted",
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self.checker_started,
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client_interface,
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byte_arrays=True)
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self.proxy.connect_to_signal(u"GotSecret",
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self.got_secret,
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client_interface,
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byte_arrays=True)
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self.proxy.connect_to_signal(u"NeedApproval",
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self.need_approval,
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client_interface,
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byte_arrays=True)
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self.proxy.connect_to_signal(u"Rejected",
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self.rejected,
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client_interface,
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byte_arrays=True)
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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 == u"ApprovalPending":
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using_timer(bool(value))
183
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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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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("CheckerStarted",
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self.checker_started,
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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("GotSecret",
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self.got_secret,
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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("NeedApproval",
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self.need_approval,
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client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("Rejected",
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self.rejected,
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client_interface,
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byte_arrays=True))
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self.logger('Created client {}'
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.format(self.properties["Name"]), level=0)
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def using_timer(self, flag):
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"""Call this method with True or False when timer should be
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activated or deactivated.
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"""
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old = self._update_timer_callback_lock
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if flag:
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self._update_timer_callback_lock += 1
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else:
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self._update_timer_callback_lock -= 1
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if old == 0 and self._update_timer_callback_lock:
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self._update_timer_callback_tag = (gobject.timeout_add
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if flag and self._update_timer_callback_tag is None:
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# Will update the shown timer value every second
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self._update_timer_callback_tag = (GLib.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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elif not (flag or self._update_timer_callback_tag is None):
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GLib.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = None
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201
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def checker_completed(self, exitstatus, condition, command):
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if exitstatus == 0:
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if self.last_checker_failed:
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self.last_checker_failed = False
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self.using_timer(False)
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#self.logger(u'Checker for client %s (command "%s")'
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# u' was successful'
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# % (self.properties[u"Name"], command))
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self.logger('Checker for client {} (command "{}")'
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' succeeded'.format(self.properties["Name"],
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command), level=0)
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self.update()
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return
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# Checker failed
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if not self.last_checker_failed:
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self.last_checker_failed = True
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self.using_timer(True)
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if os.WIFEXITED(condition):
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self.logger(u'Checker for client %s (command "%s")'
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u' failed with exit code %s'
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% (self.properties[u"Name"], command,
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os.WEXITSTATUS(condition)))
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self.logger('Checker for client {} (command "{}") failed'
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' with exit code {}'
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.format(self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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elif os.WIFSIGNALED(condition):
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self.logger(u'Checker for client %s (command "%s")'
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u' was killed by signal %s'
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% (self.properties[u"Name"], command,
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os.WTERMSIG(condition)))
225
elif os.WCOREDUMP(condition):
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self.logger(u'Checker for client %s (command "%s")'
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u' dumped core'
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% (self.properties[u"Name"], command))
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else:
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self.logger(u'Checker for client %s completed'
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u' mysteriously')
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self.logger('Checker for client {} (command "{}") was'
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' killed by signal {}'
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.format(self.properties["Name"], command,
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os.WTERMSIG(condition)))
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self.update()
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def checker_started(self, command):
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#self.logger(u'Client %s started checker "%s"'
236
# % (self.properties[u"Name"], unicode(command)))
237
pass
238
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"""Server signals that a checker started."""
203
self.logger('Client {} started checker "{}"'
204
.format(self.properties["Name"],
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command), level=0)
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def got_secret(self):
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self.last_checker_failed = False
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self.logger(u'Client %s received its secret'
242
% self.properties[u"Name"])
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self.logger('Client {} received its secret'
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.format(self.properties["Name"]))
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def need_approval(self, timeout, default):
245
212
if not default:
246
message = u'Client %s needs approval within %s seconds'
213
message = 'Client {} needs approval within {} seconds'
247
214
else:
248
message = u'Client %s will get its secret in %s seconds'
249
self.logger(message
250
% (self.properties[u"Name"], timeout/1000))
251
self.using_timer(True)
252
215
message = 'Client {} will get its secret in {} seconds'
216
self.logger(message.format(self.properties["Name"],
217
timeout/1000))
218
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def rejected(self, reason):
254
self.logger(u'Client %s was rejected; reason: %s'
255
% (self.properties[u"Name"], reason))
256
220
self.logger('Client {} was rejected; reason: {}'
221
.format(self.properties["Name"], reason))
222
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def selectable(self):
258
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"""Make this a "selectable" widget.
259
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This overrides the method from urwid.FlowWidget."""
260
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return True
261
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def rows(self, (maxcol,), focus=False):
227
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def rows(self, maxcolrow, focus=False):
263
229
"""How many rows this widget will occupy might depend on
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whether we have focus or not.
265
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This overrides the method from urwid.FlowWidget"""
266
return self.current_widget(focus).rows((maxcol,), focus=focus)
267
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
233
268
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def current_widget(self, focus=False):
269
235
if focus or self.opened:
270
236
return self._focus_widget
271
237
return self._widget
272
238
273
239
def update(self):
274
240
"Called when what is visible on the screen should be updated."
275
241
# How to add standout mode to a style
276
with_standout = { u"normal": u"standout",
277
u"bold": u"bold-standout",
278
u"underline-blink":
279
u"underline-blink-standout",
280
u"bold-underline-blink":
281
u"bold-underline-blink-standout",
282
}
242
with_standout = {"normal": "standout",
243
"bold": "bold-standout",
244
"underline-blink":
245
"underline-blink-standout",
246
"bold-underline-blink":
247
"bold-underline-blink-standout",
248
}
283
249
284
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# Rebuild focus and non-focus widgets using current properties
285
251
286
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# Base part of a client. Name!
287
base = (u'%(name)s: '
288
% {u"name": self.properties[u"Name"]})
289
if not self.properties[u"Enabled"]:
290
message = u"DISABLED"
291
elif self.properties[u"ApprovalPending"]:
292
timeout = datetime.timedelta(milliseconds
293
= self.properties
294
[u"ApprovalDelay"])
253
base = '{name}: '.format(name=self.properties["Name"])
254
if not self.properties["Enabled"]:
255
message = "DISABLED"
256
self.using_timer(False)
257
elif self.properties["ApprovalPending"]:
258
timeout = datetime.timedelta(
259
milliseconds=self.properties["ApprovalDelay"])
295
260
last_approval_request = isoformat_to_datetime(
296
self.properties[u"LastApprovalRequest"])
261
self.properties["LastApprovalRequest"])
297
262
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
300
266
else:
301
267
timer = datetime.timedelta()
302
if self.properties[u"ApprovedByDefault"]:
303
message = u"Approval in %s. (d)eny?"
304
else:
305
message = u"Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
309
= self.properties
310
[u"Timeout"])
311
last_ok = isoformat_to_datetime(
312
max((self.properties[u"LastCheckedOK"]
313
or self.properties[u"Created"]),
314
self.properties[u"LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
message = (u'A checker has failed! Time until client'
317
u' gets disabled: %s'
318
% unicode(timer).rsplit(".", 1)[0])
268
if self.properties["ApprovedByDefault"]:
269
message = "Approval in {}. (d)eny?"
270
else:
271
message = "Denial in {}. (a)pprove?"
272
message = message.format(str(timer).rsplit(".", 1)[0])
273
self.using_timer(True)
274
elif self.properties["LastCheckerStatus"] != 0:
275
# When checker has failed, show timer until client expires
276
expires = self.properties["Expires"]
277
if expires == "":
278
timer = datetime.timedelta(0)
279
else:
280
expires = (datetime.datetime.strptime
281
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
timer = max(expires - datetime.datetime.utcnow(),
283
datetime.timedelta())
284
message = ('A checker has failed! Time until client'
285
' gets disabled: {}'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
319
288
else:
320
message = u"enabled"
321
self._text = "%s%s" % (base, message)
322
289
message = "enabled"
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
292
323
293
if not urwid.supports_unicode():
324
294
self._text = self._text.encode("ascii", "replace")
325
textlist = [(u"normal", self._text)]
295
textlist = [("normal", self._text)]
326
296
self._text_widget.set_text(textlist)
327
297
self._focus_text_widget.set_text([(with_standout[text[0]],
328
298
text[1])
335
305
# Run update hook, if any
336
306
if self.update_hook is not None:
337
307
self.update_hook()
338
308
339
309
def update_timer(self):
340
"called by gobject"
310
"""called by GLib. Will indefinitely loop until
311
GLib.source_remove() on tag is called
312
"""
341
313
self.update()
342
314
return True # Keep calling this
343
344
def delete(self):
315
316
def delete(self, **kwargs):
345
317
if self._update_timer_callback_tag is not None:
346
gobject.source_remove(self._update_timer_callback_tag)
318
GLib.source_remove(self._update_timer_callback_tag)
347
319
self._update_timer_callback_tag = None
320
for match in self.match_objects:
321
match.remove()
322
self.match_objects = ()
348
323
if self.delete_hook is not None:
349
324
self.delete_hook(self)
350
351
def render(self, (maxcol,), focus=False):
325
return super(MandosClientWidget, self).delete(**kwargs)
326
327
def render(self, maxcolrow, focus=False):
352
328
"""Render differently if we have focus.
353
329
This overrides the method from urwid.FlowWidget"""
354
return self.current_widget(focus).render((maxcol,),
330
return self.current_widget(focus).render(maxcolrow,
355
331
focus=focus)
356
357
def keypress(self, (maxcol,), key):
332
333
def keypress(self, maxcolrow, key):
358
334
"""Handle keys.
359
335
This overrides the method from urwid.FlowWidget"""
360
if key == u"+":
361
self.proxy.Enable(dbus_interface = client_interface)
362
elif key == u"-":
363
self.proxy.Disable(dbus_interface = client_interface)
364
elif key == u"a":
336
if key == "+":
337
self.proxy.Set(client_interface, "Enabled",
338
dbus.Boolean(True), ignore_reply=True,
339
dbus_interface=dbus.PROPERTIES_IFACE)
340
elif key == "-":
341
self.proxy.Set(client_interface, "Enabled", False,
342
ignore_reply=True,
343
dbus_interface=dbus.PROPERTIES_IFACE)
344
elif key == "a":
365
345
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
366
dbus_interface = client_interface)
367
elif key == u"d":
346
dbus_interface=client_interface,
347
ignore_reply=True)
348
elif key == "d":
368
349
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
369
dbus_interface = client_interface)
370
elif key == u"R" or key == u"_" or key == u"ctrl k":
350
dbus_interface=client_interface,
351
ignore_reply=True)
352
elif key == "R" or key == "_" or key == "ctrl k":
371
353
self.server_proxy_object.RemoveClient(self.proxy
372
.object_path)
373
elif key == u"s":
374
self.proxy.StartChecker(dbus_interface = client_interface)
375
elif key == u"S":
376
self.proxy.StopChecker(dbus_interface = client_interface)
377
elif key == u"C":
378
self.proxy.CheckedOK(dbus_interface = client_interface)
354
.object_path,
355
ignore_reply=True)
356
elif key == "s":
357
self.proxy.Set(client_interface, "CheckerRunning",
358
dbus.Boolean(True), ignore_reply=True,
359
dbus_interface=dbus.PROPERTIES_IFACE)
360
elif key == "S":
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(False), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
364
elif key == "C":
365
self.proxy.CheckedOK(dbus_interface=client_interface,
366
ignore_reply=True)
379
367
# xxx
380
# elif key == u"p" or key == "=":
368
# elif key == "p" or key == "=":
381
369
# self.proxy.pause()
382
# elif key == u"u" or key == ":":
370
# elif key == "u" or key == ":":
383
371
# self.proxy.unpause()
384
# elif key == u"RET":
372
# elif key == "RET":
385
373
# self.open()
386
374
else:
387
375
return key
388
389
def property_changed(self, property=None, value=None,
390
*args, **kwargs):
391
"""Call self.update() if old value is not new value.
376
377
def properties_changed(self, interface, properties, invalidated):
378
"""Call self.update() if any properties changed.
392
379
This overrides the method from MandosClientPropertyCache"""
393
property_name = unicode(property)
394
old_value = self.properties.get(property_name)
395
super(MandosClientWidget, self).property_changed(
396
property=property, value=value, *args, **kwargs)
397
if self.properties.get(property_name) != old_value:
380
old_values = {key: self.properties.get(key)
381
for key in properties.keys()}
382
super(MandosClientWidget, self).properties_changed(
383
interface, properties, invalidated)
384
if any(old_values[key] != self.properties.get(key)
385
for key in old_values):
398
386
self.update()
399
387
400
388
403
391
"down" key presses, thus not allowing any containing widgets to
404
392
use them as an excuse to shift focus away from this widget.
405
393
"""
406
def keypress(self, (maxcol, maxrow), key):
407
ret = super(ConstrainedListBox, self).keypress((maxcol,
408
maxrow), key)
409
if ret in (u"up", u"down"):
394
def keypress(self, *args, **kwargs):
395
ret = (super(ConstrainedListBox, self)
396
.keypress(*args, **kwargs))
397
if ret in ("up", "down"):
410
398
return
411
399
return ret
412
400
415
403
"""This is the entire user interface - the whole screen
416
404
with boxes, lists of client widgets, etc.
417
405
"""
418
def __init__(self, max_log_length=1000):
406
def __init__(self, max_log_length=1000, log_level=1):
419
407
DBusGMainLoop(set_as_default=True)
420
408
421
409
self.screen = urwid.curses_display.Screen()
422
410
423
411
self.screen.register_palette((
424
(u"normal",
425
u"default", u"default", None),
426
(u"bold",
427
u"default", u"default", u"bold"),
428
(u"underline-blink",
429
u"default", u"default", u"underline"),
430
(u"standout",
431
u"default", u"default", u"standout"),
432
(u"bold-underline-blink",
433
u"default", u"default", (u"bold", u"underline")),
434
(u"bold-standout",
435
u"default", u"default", (u"bold", u"standout")),
436
(u"underline-blink-standout",
437
u"default", u"default", (u"underline", u"standout")),
438
(u"bold-underline-blink-standout",
439
u"default", u"default", (u"bold", u"underline",
440
u"standout")),
412
("normal",
413
"default", "default", None),
414
("bold",
415
"bold", "default", "bold"),
416
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
418
("standout",
419
"standout", "default", "standout"),
420
("bold-underline-blink",
421
"bold,underline,blink", "default",
422
"bold,underline,blink"),
423
("bold-standout",
424
"bold,standout", "default", "bold,standout"),
425
("underline-blink-standout",
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
428
("bold-underline-blink-standout",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
441
431
))
442
432
443
433
if urwid.supports_unicode():
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
434
self.divider = "─" # \u2500
446
435
else:
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
449
436
self.divider = "_" # \u005f
437
450
438
self.screen.start()
451
439
452
440
self.size = self.screen.get_cols_rows()
453
441
454
442
self.clients = urwid.SimpleListWalker([])
455
443
self.clients_dict = {}
456
444
457
445
# We will add Text widgets to this list
458
446
self.log = []
459
447
self.max_log_length = max_log_length
460
448
449
self.log_level = log_level
450
461
451
# We keep a reference to the log widget so we can remove it
462
452
# from the ListWalker without it getting destroyed
463
453
self.logbox = ConstrainedListBox(self.log)
464
454
465
455
# This keeps track of whether self.uilist currently has
466
456
# self.logbox in it or not
467
457
self.log_visible = True
468
self.log_wrap = u"any"
469
458
self.log_wrap = "any"
459
470
460
self.rebuild()
471
self.log_message_raw((u"bold",
472
u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
474
u"q: Quit ?: Help"))
475
461
self.log_message_raw(("bold",
462
"Mandos Monitor version " + version))
463
self.log_message_raw(("bold",
464
"q: Quit ?: Help"))
465
476
466
self.busname = domain + '.Mandos'
477
self.main_loop = gobject.MainLoop()
478
self.bus = dbus.SystemBus()
479
mandos_dbus_objc = self.bus.get_object(
480
self.busname, u"/", follow_name_owner_changes=True)
481
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
482
dbus_interface
483
= server_interface)
484
try:
485
mandos_clients = (self.mandos_serv
486
.GetAllClientsWithProperties())
487
except dbus.exceptions.DBusException:
488
mandos_clients = dbus.Dictionary()
489
490
(self.mandos_serv
491
.connect_to_signal(u"ClientRemoved",
492
self.find_and_remove_client,
493
dbus_interface=server_interface,
494
byte_arrays=True))
495
(self.mandos_serv
496
.connect_to_signal(u"ClientAdded",
497
self.add_new_client,
498
dbus_interface=server_interface,
499
byte_arrays=True))
500
(self.mandos_serv
501
.connect_to_signal(u"ClientNotFound",
502
self.client_not_found,
503
dbus_interface=server_interface,
504
byte_arrays=True))
505
for path, client in mandos_clients.iteritems():
506
client_proxy_object = self.bus.get_object(self.busname,
507
path)
508
self.add_client(MandosClientWidget(server_proxy_object
509
=self.mandos_serv,
510
proxy_object
511
=client_proxy_object,
512
properties=client,
513
update_hook
514
=self.refresh,
515
delete_hook
516
=self.remove_client,
517
logger
518
=self.log_message),
519
path=path)
520
467
self.main_loop = GLib.MainLoop()
468
521
469
def client_not_found(self, fingerprint, address):
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
524
fingerprint)))
525
470
self.log_message("Client with address {} and fingerprint {}"
471
" could not be found"
472
.format(address, fingerprint))
473
526
474
def rebuild(self):
527
475
"""This rebuilds the User Interface.
528
476
Call this when the widget layout needs to change"""
529
477
self.uilist = []
530
#self.uilist.append(urwid.ListBox(self.clients))
478
# self.uilist.append(urwid.ListBox(self.clients))
531
479
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
532
480
clients),
533
#header=urwid.Divider(),
481
# header=urwid.Divider(),
534
482
header=None,
535
footer=
536
urwid.Divider(div_char=
537
self.divider)))
483
footer=urwid.Divider(
484
div_char=self.divider)))
538
485
if self.log_visible:
539
486
self.uilist.append(self.logbox)
540
pass
541
487
self.topwidget = urwid.Pile(self.uilist)
542
543
def log_message(self, message):
488
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
492
return
544
493
timestamp = datetime.datetime.now().isoformat()
545
self.log_message_raw(timestamp + u": " + message)
546
547
def log_message_raw(self, markup):
494
self.log_message_raw("{}: {}".format(timestamp, message),
495
level=level)
496
497
def log_message_raw(self, markup, level=1):
548
498
"""Add a log message to the log buffer."""
499
if level < self.log_level:
500
return
549
501
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
550
if (self.max_log_length
551
and len(self.log) > self.max_log_length):
552
del self.log[0:len(self.log)-self.max_log_length-1]
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-1]
553
505
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
506
coming_from="above")
555
507
self.refresh()
556
508
557
509
def toggle_log_display(self):
558
510
"""Toggle visibility of the log buffer."""
559
511
self.log_visible = not self.log_visible
560
512
self.rebuild()
561
#self.log_message(u"Log visibility changed to: "
562
# + unicode(self.log_visible))
563
513
self.log_message("Log visibility changed to: {}"
514
.format(self.log_visible), level=0)
515
564
516
def change_log_display(self):
565
517
"""Change type of log display.
566
518
Currently, this toggles wrapping of text lines."""
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
519
if self.log_wrap == "clip":
520
self.log_wrap = "any"
569
521
else:
570
self.log_wrap = u"clip"
522
self.log_wrap = "clip"
571
523
for textwidget in self.log:
572
524
textwidget.set_wrap_mode(self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
574
575
def find_and_remove_client(self, path, name):
576
"""Find an client from its object path and remove it.
577
578
This is connected to the ClientRemoved signal from the
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
526
level=0)
527
528
def find_and_remove_client(self, path, interfaces):
529
"""Find a client by its object path and remove it.
530
531
This is connected to the InterfacesRemoved signal from the
579
532
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
535
return
580
536
try:
581
537
client = self.clients_dict[path]
582
538
except KeyError:
583
539
# not found?
584
return
585
self.remove_client(client, path)
586
587
def add_new_client(self, path):
540
self.log_message("Unknown client {!r} removed"
541
.format(path))
542
return
543
client.delete()
544
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
547
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
550
"""
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
553
return
588
554
client_proxy_object = self.bus.get_object(self.busname, path)
589
self.add_client(MandosClientWidget(server_proxy_object
590
=self.mandos_serv,
591
proxy_object
592
=client_proxy_object,
593
update_hook
594
=self.refresh,
595
delete_hook
596
=self.remove_client,
597
logger
598
=self.log_message),
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
logger=self.log_message,
561
properties=dict(ifs_and_props[client_interface])),
599
562
path=path)
600
563
601
564
def add_client(self, client, path=None):
602
565
self.clients.append(client)
603
566
if path is None:
604
567
path = client.proxy.object_path
605
568
self.clients_dict[path] = client
606
self.clients.sort(None, lambda c: c.properties[u"Name"])
569
self.clients.sort(key=lambda c: c.properties["Name"])
607
570
self.refresh()
608
571
609
572
def remove_client(self, client, path=None):
610
573
self.clients.remove(client)
611
574
if path is None:
612
575
path = client.proxy.object_path
613
576
del self.clients_dict[path]
614
if not self.clients_dict:
615
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
616
# is completely emptied, we need to recreate it.
617
self.clients = urwid.SimpleListWalker([])
618
self.rebuild()
619
577
self.refresh()
620
578
621
579
def refresh(self):
622
580
"""Redraw the screen"""
623
581
canvas = self.topwidget.render(self.size, focus=True)
624
582
self.screen.draw_screen(self.size, canvas)
625
583
626
584
def run(self):
627
585
"""Start the main loop and exit when it's done."""
586
self.bus = dbus.SystemBus()
587
mandos_dbus_objc = self.bus.get_object(
588
self.busname, "/", follow_name_owner_changes=True)
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
591
try:
592
mandos_clients = (self.mandos_serv
593
.GetAllClientsWithProperties())
594
if not mandos_clients:
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
597
except dbus.exceptions.DBusException:
598
self.log_message_raw(("bold",
599
"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
logger=self.log_message),
627
path=path)
628
628
629
self.refresh()
629
self._input_callback_tag = (gobject.io_add_watch
630
self._input_callback_tag = (GLib.io_add_watch
630
631
(sys.stdin.fileno(),
631
gobject.IO_IN,
632
GLib.IO_IN,
632
633
self.process_input))
633
634
self.main_loop.run()
634
635
# Main loop has finished, we should close everything now
635
gobject.source_remove(self._input_callback_tag)
636
GLib.source_remove(self._input_callback_tag)
636
637
self.screen.stop()
637
638
638
639
def stop(self):
639
640
self.main_loop.quit()
640
641
641
642
def process_input(self, source, condition):
642
643
keys = self.screen.get_input()
643
translations = { u"ctrl n": u"down", # Emacs
644
u"ctrl p": u"up", # Emacs
645
u"ctrl v": u"page down", # Emacs
646
u"meta v": u"page up", # Emacs
647
u" ": u"page down", # less
648
u"f": u"page down", # less
649
u"b": u"page up", # less
650
u"j": u"down", # vi
651
u"k": u"up", # vi
652
}
644
translations = {"ctrl n": "down", # Emacs
645
"ctrl p": "up", # Emacs
646
"ctrl v": "page down", # Emacs
647
"meta v": "page up", # Emacs
648
" ": "page down", # less
649
"f": "page down", # less
650
"b": "page up", # less
651
"j": "down", # vi
652
"k": "up", # vi
653
}
653
654
for key in keys:
654
655
try:
655
656
key = translations[key]
656
657
except KeyError: # :-)
657
658
pass
658
659
if key == u"q" or key == u"Q":
659
660
if key == "q" or key == "Q":
660
661
self.stop()
661
662
break
662
elif key == u"window resize":
663
elif key == "window resize":
663
664
self.size = self.screen.get_cols_rows()
664
665
self.refresh()
665
elif key == u"\f": # Ctrl-L
666
elif key == "ctrl l":
667
self.screen.clear()
666
668
self.refresh()
667
elif key == u"l" or key == u"D":
669
elif key == "l" or key == "D":
668
670
self.toggle_log_display()
669
671
self.refresh()
670
elif key == u"w" or key == u"i":
672
elif key == "w" or key == "i":
671
673
self.change_log_display()
672
674
self.refresh()
673
elif key == u"?" or key == u"f1" or key == u"esc":
675
elif key == "?" or key == "f1" or key == "esc":
674
676
if not self.log_visible:
675
677
self.log_visible = True
676
678
self.rebuild()
677
self.log_message_raw((u"bold",
678
u" ".
679
join((u"q: Quit",
680
u"?: Help",
681
u"l: Log window toggle",
682
u"TAB: Switch window",
683
u"w: Wrap (log)"))))
684
self.log_message_raw((u"bold",
685
u" "
686
.join((u"Clients:",
687
u"+: Enable",
688
u"-: Disable",
689
u"R: Remove",
690
u"s: Start new checker",
691
u"S: Stop checker",
692
u"C: Checker OK",
693
u"a: Approve",
694
u"d: Deny"))))
679
self.log_message_raw(("bold",
680
" ".
681
join(("q: Quit",
682
"?: Help",
683
"l: Log window toggle",
684
"TAB: Switch window",
685
"w: Wrap (log lines)",
686
"v: Toggle verbose log",
687
))))
688
self.log_message_raw(("bold",
689
" "
690
.join(("Clients:",
691
"+: Enable",
692
"-: Disable",
693
"R: Remove",
694
"s: Start new checker",
695
"S: Stop checker",
696
"C: Checker OK",
697
"a: Approve",
698
"d: Deny"))))
695
699
self.refresh()
696
elif key == u"tab":
700
elif key == "tab":
697
701
if self.topwidget.get_focus() is self.logbox:
698
702
self.topwidget.set_focus(0)
699
703
else:
700
704
self.topwidget.set_focus(self.logbox)
701
705
self.refresh()
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
703
# or key == u">"):
704
# pass # xxx end-of-buffer
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
706
# or key == u"<"):
707
# pass # xxx beginning-of-buffer
708
#elif key == u"ctrl e" or key == u"$":
709
# pass # xxx move-end-of-line
710
#elif key == u"ctrl a" or key == u"^":
711
# pass # xxx move-beginning-of-line
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
713
# pass # xxx left
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
715
# pass # xxx right
716
#elif key == u"a":
717
# pass # scroll up log
718
#elif key == u"z":
719
# pass # scroll down log
706
elif key == "v":
707
if self.log_level == 0:
708
self.log_level = 1
709
self.log_message("Verbose mode: Off")
710
else:
711
self.log_level = 0
712
self.log_message("Verbose mode: On")
713
# elif (key == "end" or key == "meta >" or key == "G"
714
# or key == ">"):
715
# pass # xxx end-of-buffer
716
# elif (key == "home" or key == "meta <" or key == "g"
717
# or key == "<"):
718
# pass # xxx beginning-of-buffer
719
# elif key == "ctrl e" or key == "$":
720
# pass # xxx move-end-of-line
721
# elif key == "ctrl a" or key == "^":
722
# pass # xxx move-beginning-of-line
723
# elif key == "ctrl b" or key == "meta (" or key == "h":
724
# pass # xxx left
725
# elif key == "ctrl f" or key == "meta )" or key == "l":
726
# pass # xxx right
727
# elif key == "a":
728
# pass # scroll up log
729
# elif key == "z":
730
# pass # scroll down log
720
731
elif self.topwidget.selectable():
721
732
self.topwidget.keypress(self.size, key)
722
733
self.refresh()
723
734
return True
724
735
736
725
737
ui = UserInterface()
726
738
try:
727
739
ui.run()
728
740
except KeyboardInterrupt:
729
741
ui.screen.stop()
730
except Exception, e:
731
ui.log_message(unicode(e))
742
except Exception as e:
743
ui.log_message(str(e))
732
744
ui.screen.stop()
733
745
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0