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- Committer: Teddy Hogeborn
- Date: 2019-11-03 19:17:57 UTC
- Revision ID: teddy@recompile.se-20191103191757-1hdpp0u5fxa8iumo
INSTALL: Add "-" argument to "su" invocations.
- files added:
- bugs.xml
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files removed:
- initramfs-tools-hook-conf
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
#!/usr/bin/python
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#!/usr/bin/python3 -bbI
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# -*- mode: python; coding: utf-8 -*-
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#
3
#
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# Mandos Monitor - Control and monitor the Mandos server
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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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#
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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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# 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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# 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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# 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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# 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 Mandos. If not, see <http://www.gnu.org/licenses/>.
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#
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# Contact the authors at <mandos@recompile.se>.
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#
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from __future__ import (division, absolute_import, print_function,
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28
unicode_literals)
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try:
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from future_builtins import *
31
except ImportError:
32
pass
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import sys
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import os
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import signal
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import warnings
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import datetime
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import locale
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import logging
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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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import gobject
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from gi.repository import GLib
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import dbus
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48
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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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if sys.version_info.major == 2:
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str = unicode
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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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# Some useful constants
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domain = 'se.bsnet.fukt'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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version = "1.3.1"
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
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# Urwid doesn't support blinking, but we want it. Since we have no
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# use for underline on its own, we make underline also always blink.
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urwid.curses_display.curses.A_UNDERLINE |= (
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urwid.curses_display.curses.A_BLINK)
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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 = "1.8.9"
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68
try:
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dbus.OBJECT_MANAGER_IFACE
70
except AttributeError:
71
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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84
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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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("PropertyChanged",
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self.property_changed,
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client_interface,
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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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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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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
114
It updates the changed properties in the "properties" dict.
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115
"""
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# Update properties dict with new value
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self.properties[property] = value
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def delete(self, *args, **kwargs):
117
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()
113
super(MandosClientPropertyCache, self).__init__(
114
*args, **kwargs)
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, logger=None, *args, **kwargs):
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delete_hook=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.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("")
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
142
*args, **kwargs)
143
super(MandosClientWidget, self).__init__(**kwargs)
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self.update()
144
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self.opened = False
145
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last_checked_ok = isoformat_to_datetime(self.properties
147
["LastCheckedOK"])
148
if last_checked_ok is None:
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self.last_checker_failed = True
150
else:
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self.last_checker_failed = ((datetime.datetime.utcnow()
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- last_checked_ok)
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> datetime.timedelta
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(milliseconds=
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self.properties
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["Interval"]))
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if self.last_checker_failed:
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self.using_timer(True)
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if self.need_approval:
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self.using_timer(True)
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self.match_objects = (
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self.proxy.connect_to_signal("CheckerCompleted",
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self.checker_completed,
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self.rejected,
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client_interface,
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byte_arrays=True))
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#self.logger('Created client %s' % (self.properties["Name"]))
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def property_changed(self, property=None, value=None):
188
super(self, MandosClientWidget).property_changed(property,
189
value)
190
if property == "ApprovalPending":
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using_timer(bool(value))
192
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log.debug("Created client %s", self.properties["Name"])
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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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"""
197
old = self._update_timer_callback_lock
198
if flag:
199
self._update_timer_callback_lock += 1
200
else:
201
self._update_timer_callback_lock -= 1
202
if old == 0 and self._update_timer_callback_lock:
174
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 = (gobject.timeout_add
205
(1000,
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self.update_timer))
207
elif old and self._update_timer_callback_lock == 0:
208
gobject.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = (
177
GLib.timeout_add(1000,
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glib_safely(self.update_timer)))
179
elif not (flag or self._update_timer_callback_tag is None):
180
GLib.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:
213
if self.last_checker_failed:
214
self.last_checker_failed = False
215
self.using_timer(False)
216
#self.logger('Checker for client %s (command "%s")'
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# ' was successful'
218
# % (self.properties["Name"], command))
185
log.debug('Checker for client %s (command "%s")'
186
" succeeded", self.properties["Name"], command)
219
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self.update()
220
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return
221
189
# Checker failed
222
if not self.last_checker_failed:
223
self.last_checker_failed = True
224
self.using_timer(True)
225
190
if os.WIFEXITED(condition):
226
self.logger('Checker for client %s (command "%s")'
227
' failed with exit code %s'
228
% (self.properties["Name"], command,
229
os.WEXITSTATUS(condition)))
191
log.info('Checker for client %s (command "%s") failed'
192
" with exit code %d", self.properties["Name"],
193
command, os.WEXITSTATUS(condition))
230
194
elif os.WIFSIGNALED(condition):
231
self.logger('Checker for client %s (command "%s")'
232
' was killed by signal %s'
233
% (self.properties["Name"], command,
234
os.WTERMSIG(condition)))
235
elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
237
' dumped core'
238
% (self.properties["Name"], command))
239
else:
240
self.logger('Checker for client %s completed'
241
' mysteriously')
195
log.info('Checker for client %s (command "%s") was'
196
" killed by signal %d", self.properties["Name"],
197
command, os.WTERMSIG(condition))
242
198
self.update()
243
199
244
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def checker_started(self, command):
245
#self.logger('Client %s started checker "%s"'
246
# % (self.properties["Name"], unicode(command)))
247
pass
248
201
"""Server signals that a checker started."""
202
log.debug('Client %s started checker "%s"',
203
self.properties["Name"], command)
204
249
205
def got_secret(self):
250
self.last_checker_failed = False
251
self.logger('Client %s received its secret'
252
% self.properties["Name"])
253
206
log.info("Client %s received its secret",
207
self.properties["Name"])
208
254
209
def need_approval(self, timeout, default):
255
210
if not default:
256
message = 'Client %s needs approval within %s seconds'
211
message = "Client %s needs approval within %f seconds"
257
212
else:
258
message = 'Client %s will get its secret in %s seconds'
259
self.logger(message
260
% (self.properties["Name"], timeout/1000))
261
self.using_timer(True)
262
213
message = "Client %s will get its secret in %f seconds"
214
log.info(message, self.properties["Name"], timeout/1000)
215
263
216
def rejected(self, reason):
264
self.logger('Client %s was rejected; reason: %s'
265
% (self.properties["Name"], reason))
266
217
log.info("Client %s was rejected; reason: %s",
218
self.properties["Name"], reason)
219
267
220
def selectable(self):
268
221
"""Make this a "selectable" widget.
269
222
This overrides the method from urwid.FlowWidget."""
270
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return True
271
224
272
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def rows(self, maxcolrow, focus=False):
273
226
"""How many rows this widget will occupy might depend on
274
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whether we have focus or not.
275
228
This overrides the method from urwid.FlowWidget"""
276
229
return self.current_widget(focus).rows(maxcolrow, focus=focus)
277
230
278
231
def current_widget(self, focus=False):
279
232
if focus or self.opened:
280
233
return self._focus_widget
281
234
return self._widget
282
235
283
236
def update(self):
284
237
"Called when what is visible on the screen should be updated."
285
238
# How to add standout mode to a style
286
with_standout = { "normal": "standout",
287
"bold": "bold-standout",
288
"underline-blink":
289
"underline-blink-standout",
290
"bold-underline-blink":
291
"bold-underline-blink-standout",
292
}
239
with_standout = {"normal": "standout",
240
"bold": "bold-standout",
241
"underline-blink":
242
"underline-blink-standout",
243
"bold-underline-blink":
244
"bold-underline-blink-standout",
245
}
293
246
294
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# Rebuild focus and non-focus widgets using current properties
295
248
296
249
# Base part of a client. Name!
297
base = ('%(name)s: '
298
% {"name": self.properties["Name"]})
250
base = "{name}: ".format(name=self.properties["Name"])
299
251
if not self.properties["Enabled"]:
300
252
message = "DISABLED"
253
self.using_timer(False)
301
254
elif self.properties["ApprovalPending"]:
302
timeout = datetime.timedelta(milliseconds
303
= self.properties
304
["ApprovalDelay"])
255
timeout = datetime.timedelta(
256
milliseconds=self.properties["ApprovalDelay"])
305
257
last_approval_request = isoformat_to_datetime(
306
258
self.properties["LastApprovalRequest"])
307
259
if last_approval_request is not None:
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
260
timer = max(timeout - (datetime.datetime.utcnow()
261
- last_approval_request),
262
datetime.timedelta())
310
263
else:
311
264
timer = datetime.timedelta()
312
265
if self.properties["ApprovedByDefault"]:
313
message = "Approval in %s. (d)eny?"
266
message = "Approval in {}. (d)eny?"
314
267
else:
315
message = "Denial in %s. (a)pprove?"
316
message = message % unicode(timer).rsplit(".", 1)[0]
317
elif self.last_checker_failed:
318
# When checker has failed, print a timer until client expires
268
message = "Denial in {}. (a)pprove?"
269
message = message.format(str(timer).rsplit(".", 1)[0])
270
self.using_timer(True)
271
elif self.properties["LastCheckerStatus"] != 0:
272
# When checker has failed, show timer until client expires
319
273
expires = self.properties["Expires"]
320
274
if expires == "":
321
275
timer = datetime.timedelta(0)
322
276
else:
323
expires = datetime.datetime.strptime(expires,
324
'%Y-%m-%dT%H:%M:%S.%f')
325
timer = expires - datetime.datetime.utcnow()
326
message = ('A checker has failed! Time until client'
327
' gets disabled: %s'
328
% unicode(timer).rsplit(".", 1)[0])
277
expires = (datetime.datetime.strptime
278
(expires, "%Y-%m-%dT%H:%M:%S.%f"))
279
timer = max(expires - datetime.datetime.utcnow(),
280
datetime.timedelta())
281
message = ("A checker has failed! Time until client"
282
" gets disabled: {}"
283
.format(str(timer).rsplit(".", 1)[0]))
284
self.using_timer(True)
329
285
else:
330
286
message = "enabled"
331
self._text = "%s%s" % (base, message)
332
287
self.using_timer(False)
288
self._text = "{}{}".format(base, message)
289
333
290
if not urwid.supports_unicode():
334
291
self._text = self._text.encode("ascii", "replace")
335
292
textlist = [("normal", self._text)]
345
302
# Run update hook, if any
346
303
if self.update_hook is not None:
347
304
self.update_hook()
348
305
349
306
def update_timer(self):
350
"""called by gobject. Will indefinitely loop until
351
gobject.source_remove() on tag is called"""
307
"""called by GLib. Will indefinitely loop until
308
GLib.source_remove() on tag is called
309
"""
352
310
self.update()
353
311
return True # Keep calling this
354
355
def delete(self, *args, **kwargs):
312
313
def delete(self, **kwargs):
356
314
if self._update_timer_callback_tag is not None:
357
gobject.source_remove(self._update_timer_callback_tag)
315
GLib.source_remove(self._update_timer_callback_tag)
358
316
self._update_timer_callback_tag = None
359
317
for match in self.match_objects:
360
318
match.remove()
361
319
self.match_objects = ()
362
320
if self.delete_hook is not None:
363
321
self.delete_hook(self)
364
return super(MandosClientWidget, self).delete(*args, **kwargs)
365
322
return super(MandosClientWidget, self).delete(**kwargs)
323
366
324
def render(self, maxcolrow, focus=False):
367
325
"""Render differently if we have focus.
368
326
This overrides the method from urwid.FlowWidget"""
369
327
return self.current_widget(focus).render(maxcolrow,
370
328
focus=focus)
371
329
372
330
def keypress(self, maxcolrow, key):
373
331
"""Handle keys.
374
332
This overrides the method from urwid.FlowWidget"""
375
333
if key == "+":
376
self.proxy.Enable(dbus_interface = client_interface,
377
ignore_reply=True)
334
self.proxy.Set(client_interface, "Enabled",
335
dbus.Boolean(True), ignore_reply=True,
336
dbus_interface=dbus.PROPERTIES_IFACE)
378
337
elif key == "-":
379
self.proxy.Disable(dbus_interface = client_interface,
380
ignore_reply=True)
338
self.proxy.Set(client_interface, "Enabled", False,
339
ignore_reply=True,
340
dbus_interface=dbus.PROPERTIES_IFACE)
381
341
elif key == "a":
382
342
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
383
dbus_interface = client_interface,
343
dbus_interface=client_interface,
384
344
ignore_reply=True)
385
345
elif key == "d":
386
346
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
387
dbus_interface = client_interface,
347
dbus_interface=client_interface,
388
348
ignore_reply=True)
389
349
elif key == "R" or key == "_" or key == "ctrl k":
390
350
self.server_proxy_object.RemoveClient(self.proxy
391
351
.object_path,
392
352
ignore_reply=True)
393
353
elif key == "s":
394
self.proxy.StartChecker(dbus_interface = client_interface,
395
ignore_reply=True)
354
self.proxy.Set(client_interface, "CheckerRunning",
355
dbus.Boolean(True), ignore_reply=True,
356
dbus_interface=dbus.PROPERTIES_IFACE)
396
357
elif key == "S":
397
self.proxy.StopChecker(dbus_interface = client_interface,
398
ignore_reply=True)
358
self.proxy.Set(client_interface, "CheckerRunning",
359
dbus.Boolean(False), ignore_reply=True,
360
dbus_interface=dbus.PROPERTIES_IFACE)
399
361
elif key == "C":
400
self.proxy.CheckedOK(dbus_interface = client_interface,
362
self.proxy.CheckedOK(dbus_interface=client_interface,
401
363
ignore_reply=True)
402
364
# xxx
403
365
# elif key == "p" or key == "=":
408
370
# self.open()
409
371
else:
410
372
return key
411
412
def property_changed(self, property=None, value=None,
413
*args, **kwargs):
414
"""Call self.update() if old value is not new value.
373
374
def properties_changed(self, interface, properties, invalidated):
375
"""Call self.update() if any properties changed.
415
376
This overrides the method from MandosClientPropertyCache"""
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:
377
old_values = {key: self.properties.get(key)
378
for key in properties.keys()}
379
super(MandosClientWidget, self).properties_changed(
380
interface, properties, invalidated)
381
if any(old_values[key] != self.properties.get(key)
382
for key in old_values):
421
383
self.update()
422
384
423
385
386
def glib_safely(func, retval=True):
387
def safe_func(*args, **kwargs):
388
try:
389
return func(*args, **kwargs)
390
except Exception:
391
log.exception("")
392
return retval
393
return safe_func
394
395
424
396
class ConstrainedListBox(urwid.ListBox):
425
397
"""Like a normal urwid.ListBox, but will consume all "up" or
426
398
"down" key presses, thus not allowing any containing widgets to
427
399
use them as an excuse to shift focus away from this widget.
428
400
"""
429
def keypress(self, maxcolrow, key):
430
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
401
def keypress(self, *args, **kwargs):
402
ret = (super(ConstrainedListBox, self)
403
.keypress(*args, **kwargs))
431
404
if ret in ("up", "down"):
432
405
return
433
406
return ret
439
412
"""
440
413
def __init__(self, max_log_length=1000):
441
414
DBusGMainLoop(set_as_default=True)
442
415
443
416
self.screen = urwid.curses_display.Screen()
444
417
445
418
self.screen.register_palette((
446
419
("normal",
447
420
"default", "default", None),
448
421
("bold",
449
"default", "default", "bold"),
422
"bold", "default", "bold"),
450
423
("underline-blink",
451
"default", "default", "underline"),
424
"underline,blink", "default", "underline,blink"),
452
425
("standout",
453
"default", "default", "standout"),
426
"standout", "default", "standout"),
454
427
("bold-underline-blink",
455
"default", "default", ("bold", "underline")),
428
"bold,underline,blink", "default",
429
"bold,underline,blink"),
456
430
("bold-standout",
457
"default", "default", ("bold", "standout")),
431
"bold,standout", "default", "bold,standout"),
458
432
("underline-blink-standout",
459
"default", "default", ("underline", "standout")),
433
"underline,blink,standout", "default",
434
"underline,blink,standout"),
460
435
("bold-underline-blink-standout",
461
"default", "default", ("bold", "underline",
462
"standout")),
436
"bold,underline,blink,standout", "default",
437
"bold,underline,blink,standout"),
463
438
))
464
439
465
440
if urwid.supports_unicode():
466
self.divider = "─" # \u2500
467
#self.divider = "━" # \u2501
441
self.divider = "─" # \u2500
468
442
else:
469
#self.divider = "-" # \u002d
470
self.divider = "_" # \u005f
471
443
self.divider = "_" # \u005f
444
472
445
self.screen.start()
473
446
474
447
self.size = self.screen.get_cols_rows()
475
448
476
449
self.clients = urwid.SimpleListWalker([])
477
450
self.clients_dict = {}
478
451
479
452
# We will add Text widgets to this list
480
self.log = []
453
self.log = urwid.SimpleListWalker([])
481
454
self.max_log_length = max_log_length
482
455
483
456
# We keep a reference to the log widget so we can remove it
484
457
# from the ListWalker without it getting destroyed
485
458
self.logbox = ConstrainedListBox(self.log)
486
459
487
460
# This keeps track of whether self.uilist currently has
488
461
# self.logbox in it or not
489
462
self.log_visible = True
490
463
self.log_wrap = "any"
491
464
465
self.loghandler = UILogHandler(self)
466
492
467
self.rebuild()
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
468
self.add_log_line(("bold",
469
"Mandos Monitor version " + version))
470
self.add_log_line(("bold", "q: Quit ?: Help"))
471
472
self.busname = domain + ".Mandos"
473
self.main_loop = GLib.MainLoop()
474
475
def client_not_found(self, key_id, address):
476
log.info("Client with address %s and key ID %s could"
477
" not be found", address, key_id)
478
548
479
def rebuild(self):
549
480
"""This rebuilds the User Interface.
550
481
Call this when the widget layout needs to change"""
551
482
self.uilist = []
552
#self.uilist.append(urwid.ListBox(self.clients))
483
# self.uilist.append(urwid.ListBox(self.clients))
553
484
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
554
485
clients),
555
#header=urwid.Divider(),
486
# header=urwid.Divider(),
556
487
header=None,
557
footer=
558
urwid.Divider(div_char=
559
self.divider)))
488
footer=urwid.Divider(
489
div_char=self.divider)))
560
490
if self.log_visible:
561
491
self.uilist.append(self.logbox)
562
pass
563
492
self.topwidget = urwid.Pile(self.uilist)
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."""
493
494
def add_log_line(self, markup):
571
495
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
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),
496
if self.max_log_length:
497
if len(self.log) > self.max_log_length:
498
del self.log[0:(len(self.log) - self.max_log_length)]
499
self.logbox.set_focus(len(self.logbox.body.contents)-1,
576
500
coming_from="above")
577
501
self.refresh()
578
502
579
503
def toggle_log_display(self):
580
504
"""Toggle visibility of the log buffer."""
581
505
self.log_visible = not self.log_visible
582
506
self.rebuild()
583
#self.log_message("Log visibility changed to: "
584
# + unicode(self.log_visible))
585
507
log.debug("Log visibility changed to: %s", self.log_visible)
508
586
509
def change_log_display(self):
587
510
"""Change type of log display.
588
511
Currently, this toggles wrapping of text lines."""
592
515
self.log_wrap = "clip"
593
516
for textwidget in self.log:
594
517
textwidget.set_wrap_mode(self.log_wrap)
595
#self.log_message("Wrap mode: " + self.log_wrap)
596
597
def find_and_remove_client(self, path, name):
518
log.debug("Wrap mode: %s", self.log_wrap)
519
520
def find_and_remove_client(self, path, interfaces):
598
521
"""Find a client by its object path and remove it.
599
600
This is connected to the ClientRemoved signal from the
522
523
This is connected to the InterfacesRemoved signal from the
601
524
Mandos server object."""
525
if client_interface not in interfaces:
526
# Not a Mandos client object; ignore
527
return
602
528
try:
603
529
client = self.clients_dict[path]
604
530
except KeyError:
605
531
# not found?
606
self.log_message("Unknown client %r (%r) removed", name,
607
path)
532
log.warning("Unknown client %s removed", path)
608
533
return
609
534
client.delete()
610
611
def add_new_client(self, path):
535
536
def add_new_client(self, path, ifs_and_props):
537
"""Find a client by its object path and remove it.
538
539
This is connected to the InterfacesAdded signal from the
540
Mandos server object.
541
"""
542
if client_interface not in ifs_and_props:
543
# Not a Mandos client object; ignore
544
return
612
545
client_proxy_object = self.bus.get_object(self.busname, path)
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),
546
self.add_client(MandosClientWidget(
547
server_proxy_object=self.mandos_serv,
548
proxy_object=client_proxy_object,
549
update_hook=self.refresh,
550
delete_hook=self.remove_client,
551
properties=dict(ifs_and_props[client_interface])),
623
552
path=path)
624
553
625
554
def add_client(self, client, path=None):
626
555
self.clients.append(client)
627
556
if path is None:
628
557
path = client.proxy.object_path
629
558
self.clients_dict[path] = client
630
self.clients.sort(None, lambda c: c.properties["Name"])
559
self.clients.sort(key=lambda c: c.properties["Name"])
631
560
self.refresh()
632
561
633
562
def remove_client(self, client, path=None):
634
563
self.clients.remove(client)
635
564
if path is None:
636
565
path = client.proxy.object_path
637
566
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()
643
567
self.refresh()
644
568
645
569
def refresh(self):
646
570
"""Redraw the screen"""
647
571
canvas = self.topwidget.render(self.size, focus=True)
648
572
self.screen.draw_screen(self.size, canvas)
649
573
650
574
def run(self):
651
575
"""Start the main loop and exit when it's done."""
576
log.addHandler(self.loghandler)
577
self.orig_log_propagate = log.propagate
578
log.propagate = False
579
self.orig_log_level = log.level
580
log.setLevel("INFO")
581
self.bus = dbus.SystemBus()
582
mandos_dbus_objc = self.bus.get_object(
583
self.busname, "/", follow_name_owner_changes=True)
584
self.mandos_serv = dbus.Interface(
585
mandos_dbus_objc, dbus_interface=server_interface)
586
try:
587
mandos_clients = (self.mandos_serv
588
.GetAllClientsWithProperties())
589
if not mandos_clients:
590
log.warning("Note: Server has no clients.")
591
except dbus.exceptions.DBusException:
592
log.warning("Note: No Mandos server running.")
593
mandos_clients = dbus.Dictionary()
594
595
(self.mandos_serv
596
.connect_to_signal("InterfacesRemoved",
597
self.find_and_remove_client,
598
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
599
byte_arrays=True))
600
(self.mandos_serv
601
.connect_to_signal("InterfacesAdded",
602
self.add_new_client,
603
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
604
byte_arrays=True))
605
(self.mandos_serv
606
.connect_to_signal("ClientNotFound",
607
self.client_not_found,
608
dbus_interface=server_interface,
609
byte_arrays=True))
610
for path, client in mandos_clients.items():
611
client_proxy_object = self.bus.get_object(self.busname,
612
path)
613
self.add_client(MandosClientWidget(
614
server_proxy_object=self.mandos_serv,
615
proxy_object=client_proxy_object,
616
properties=client,
617
update_hook=self.refresh,
618
delete_hook=self.remove_client),
619
path=path)
620
652
621
self.refresh()
653
self._input_callback_tag = (gobject.io_add_watch
654
(sys.stdin.fileno(),
655
gobject.IO_IN,
656
self.process_input))
622
self._input_callback_tag = (
623
GLib.io_add_watch(
624
GLib.IOChannel.unix_new(sys.stdin.fileno()),
625
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
626
glib_safely(self.process_input)))
657
627
self.main_loop.run()
658
628
# Main loop has finished, we should close everything now
659
gobject.source_remove(self._input_callback_tag)
660
self.screen.stop()
661
629
GLib.source_remove(self._input_callback_tag)
630
with warnings.catch_warnings():
631
warnings.simplefilter("ignore", BytesWarning)
632
self.screen.stop()
633
662
634
def stop(self):
663
635
self.main_loop.quit()
664
636
log.removeHandler(self.loghandler)
637
log.propagate = self.orig_log_propagate
638
665
639
def process_input(self, source, condition):
666
640
keys = self.screen.get_input()
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
}
641
translations = {"ctrl n": "down", # Emacs
642
"ctrl p": "up", # Emacs
643
"ctrl v": "page down", # Emacs
644
"meta v": "page up", # Emacs
645
" ": "page down", # less
646
"f": "page down", # less
647
"b": "page up", # less
648
"j": "down", # vi
649
"k": "up", # vi
650
}
677
651
for key in keys:
678
652
try:
679
653
key = translations[key]
680
654
except KeyError: # :-)
681
655
pass
682
656
683
657
if key == "q" or key == "Q":
684
658
self.stop()
685
659
break
686
660
elif key == "window resize":
687
661
self.size = self.screen.get_cols_rows()
688
662
self.refresh()
689
elif key == "\f": # Ctrl-L
663
elif key == "ctrl l":
664
self.screen.clear()
690
665
self.refresh()
691
666
elif key == "l" or key == "D":
692
667
self.toggle_log_display()
698
673
if not self.log_visible:
699
674
self.log_visible = True
700
675
self.rebuild()
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"))))
676
self.add_log_line(("bold",
677
" ".join(("q: Quit",
678
"?: Help",
679
"l: Log window toggle",
680
"TAB: Switch window",
681
"w: Wrap (log lines)",
682
"v: Toggle verbose log",
683
))))
684
self.add_log_line(("bold",
685
" ".join(("Clients:",
686
"+: Enable",
687
"-: Disable",
688
"R: Remove",
689
"s: Start new checker",
690
"S: Stop checker",
691
"C: Checker OK",
692
"a: Approve",
693
"d: Deny",
694
))))
719
695
self.refresh()
720
696
elif key == "tab":
721
697
if self.topwidget.get_focus() is self.logbox:
723
699
else:
724
700
self.topwidget.set_focus(self.logbox)
725
701
self.refresh()
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 == "$":
733
# pass # xxx move-end-of-line
734
#elif key == "ctrl a" or key == "^":
735
# pass # xxx move-beginning-of-line
736
#elif key == "ctrl b" or key == "meta (" or key == "h":
737
# pass # xxx left
738
#elif key == "ctrl f" or key == "meta )" or key == "l":
739
# pass # xxx right
740
#elif key == "a":
741
# pass # scroll up log
742
#elif key == "z":
743
# pass # scroll down log
702
elif key == "v":
703
if log.level < logging.INFO:
704
log.setLevel(logging.INFO)
705
log.info("Verbose mode: Off")
706
else:
707
log.setLevel(logging.NOTSET)
708
log.info("Verbose mode: On")
709
# elif (key == "end" or key == "meta >" or key == "G"
710
# or key == ">"):
711
# pass # xxx end-of-buffer
712
# elif (key == "home" or key == "meta <" or key == "g"
713
# or key == "<"):
714
# pass # xxx beginning-of-buffer
715
# elif key == "ctrl e" or key == "$":
716
# pass # xxx move-end-of-line
717
# elif key == "ctrl a" or key == "^":
718
# pass # xxx move-beginning-of-line
719
# elif key == "ctrl b" or key == "meta (" or key == "h":
720
# pass # xxx left
721
# elif key == "ctrl f" or key == "meta )" or key == "l":
722
# pass # xxx right
723
# elif key == "a":
724
# pass # scroll up log
725
# elif key == "z":
726
# pass # scroll down log
744
727
elif self.topwidget.selectable():
745
728
self.topwidget.keypress(self.size, key)
746
729
self.refresh()
747
730
return True
748
731
732
733
class UILogHandler(logging.Handler):
734
def __init__(self, ui, *args, **kwargs):
735
self.ui = ui
736
super(UILogHandler, self).__init__(*args, **kwargs)
737
self.setFormatter(
738
logging.Formatter("%(asctime)s: %(message)s"))
739
def emit(self, record):
740
msg = self.format(record)
741
if record.levelno > logging.INFO:
742
msg = ("bold", msg)
743
self.ui.add_log_line(msg)
744
745
749
746
ui = UserInterface()
750
747
try:
751
748
ui.run()
752
749
except KeyboardInterrupt:
753
ui.screen.stop()
754
except Exception, e:
755
ui.log_message(unicode(e))
756
ui.screen.stop()
750
with warnings.catch_warnings():
751
warnings.filterwarnings("ignore", "", BytesWarning)
752
ui.screen.stop()
753
except Exception:
754
with warnings.catch_warnings():
755
warnings.filterwarnings("ignore", "", BytesWarning)
756
ui.screen.stop()
757
757
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0