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#!/usr/bin/python3 -bbI
 
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# -*- mode: python; coding: utf-8 -*-
 
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# Mandos Monitor - Control and monitor the Mandos server
 
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# Copyright © 2009-2019 Teddy Hogeborn
 
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# Copyright © 2009-2019 Björn Påhlsson
 
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# This file is part of Mandos.
 
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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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# Copyright © 2009-2012 Teddy Hogeborn
 
 
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# Copyright © 2009-2012 Björn Påhlsson
 
 
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# This program is free software: you can redistribute it and/or modify
 
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation, either version 3 of the License, or
 
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# (at your option) any later version.
 
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#     Mandos is distributed in the hope that it will be useful, but
 
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#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
 
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#     This program is distributed in the hope that it will be useful,
 
 
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#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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#     GNU General Public License for more details.
 
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# You should have received a copy of the GNU General Public License
 
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# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
 
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@recompile.se>.
 
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from __future__ import (division, absolute_import, print_function,
 
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    from future_builtins import *
 
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import urwid.curses_display
 
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from dbus.mainloop.glib import DBusGMainLoop
 
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from gi.repository import GLib
 
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if sys.version_info.major == 2:
 
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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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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.recompile"
 
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server_interface = domain + ".Mandos"
 
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client_interface = domain + ".Mandos.Client"
 
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    dbus.OBJECT_MANAGER_IFACE
 
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except AttributeError:
 
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    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
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domain = 'se.recompile'
 
 
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server_interface = domain + '.Mandos'
 
 
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client_interface = domain + '.Mandos.Client'
 
 
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# Always run in monochrome mode
 
 
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urwid.curses_display.curses.has_colors = lambda : False
 
 
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# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
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# use for underline on its own, we make underline also always blink.
 
 
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urwid.curses_display.curses.A_UNDERLINE |= (
 
 
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    urwid.curses_display.curses.A_BLINK)
 
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def isoformat_to_datetime(iso):
 
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    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
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                             int(second),            # Whole seconds
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache:
 
 
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                             int(second),           # Whole seconds
 
 
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                             int(fraction*1000000)) # Microseconds
 
 
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class MandosClientPropertyCache(object):
 
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
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    properties and calls a hook function when any of them are
 
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    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
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        self.proxy = proxy_object  # Mandos Client proxy object
 
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        self.properties = dict() if properties is None else properties
 
 
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    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
 
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        self.properties = dict()
 
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        self.property_changed_match = (
 
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            self.proxy.connect_to_signal("PropertiesChanged",
 
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                                         self.properties_changed,
 
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                                         dbus.PROPERTIES_IFACE,
 
 
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            self.proxy.connect_to_signal("PropertyChanged",
 
 
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                                         self.property_changed,
 
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                                         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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                dbus_interface=dbus.PROPERTIES_IFACE))
 
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        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
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    def properties_changed(self, interface, properties, invalidated):
 
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        """This is called whenever we get a PropertiesChanged signal
 
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        It updates the changed properties in the "properties" dict.
 
 
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        self.properties.update(
 
 
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            self.proxy.GetAll(client_interface,
 
 
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                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
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        #XXX This breaks good super behaviour
 
 
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#        super(MandosClientPropertyCache, self).__init__(
 
 
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    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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        # Update properties dict with new value
 
118
 
        if interface == client_interface:
 
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            self.properties.update(properties)
 
 
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        self.properties[property] = value
 
 
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    def delete(self, *args, **kwargs):
 
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        self.property_changed_match.remove()
 
 
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        super(MandosClientPropertyCache, self).__init__(
 
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
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    """A Mandos Client which is visible on the screen.
 
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    def __init__(self, server_proxy_object=None, update_hook=None,
 
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                 delete_hook=None, **kwargs):
 
 
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                 delete_hook=None, logger=None, *args, **kwargs):
 
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        # Called on update
 
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        self.update_hook = update_hook
 
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        # Called on delete
 
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        self.delete_hook = delete_hook
 
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        # Mandos Server proxy object
 
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        self.server_proxy_object = server_proxy_object
 
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        self._update_timer_callback_tag = None
 
 
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        self._update_timer_callback_lock = 0
 
 
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        self.last_checker_failed = False
 
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        # The widget shown normally
 
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        self._text_widget = urwid.Text("")
 
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        # The widget shown when we have focus
 
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        self._focus_text_widget = urwid.Text("")
 
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        super(MandosClientWidget, self).__init__(**kwargs)
 
 
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        super(MandosClientWidget, self).__init__(
 
 
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            update_hook=update_hook, delete_hook=delete_hook,
 
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        self.opened = False
 
 
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        last_checked_ok = isoformat_to_datetime(self.properties
 
 
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        if last_checked_ok is None:
 
 
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            self.last_checker_failed = True
 
 
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            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
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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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                                         client_interface,
 
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                                         byte_arrays=True))
 
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        log.debug("Created client %s", self.properties["Name"])
 
 
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        #self.logger('Created client %s' % (self.properties["Name"]))
 
 
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    def property_changed(self, property=None, value=None):
 
 
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        super(self, MandosClientWidget).property_changed(property,
 
 
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        if property == "ApprovalPending":
 
 
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            using_timer(bool(value))
 
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    def using_timer(self, flag):
 
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        """Call this method with True or False when timer should be
 
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        activated or deactivated.
 
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        if flag and self._update_timer_callback_tag is None:
 
 
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        old = self._update_timer_callback_lock
 
 
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            self._update_timer_callback_lock += 1
 
 
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            self._update_timer_callback_lock -= 1
 
 
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        if old == 0 and self._update_timer_callback_lock:
 
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            # Will update the shown timer value every second
 
177
 
            self._update_timer_callback_tag = (
 
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                GLib.timeout_add(1000,
 
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                                 glib_safely(self.update_timer)))
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
181
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
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            self._update_timer_callback_tag = (gobject.timeout_add
 
 
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        elif old and self._update_timer_callback_lock == 0:
 
 
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            gobject.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = None
 
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    def checker_completed(self, exitstatus, condition, command):
 
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        if exitstatus == 0:
 
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            log.debug('Checker for client %s (command "%s")'
 
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                      " succeeded", self.properties["Name"], command)
 
 
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            if self.last_checker_failed:
 
 
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                self.last_checker_failed = False
 
 
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                self.using_timer(False)
 
 
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            #self.logger('Checker for client %s (command "%s")'
 
 
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            #            % (self.properties["Name"], command))
 
 
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        if not self.last_checker_failed:
 
 
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            self.last_checker_failed = True
 
 
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            self.using_timer(True)
 
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        if os.WIFEXITED(condition):
 
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            log.info('Checker for client %s (command "%s") failed'
 
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                     " with exit code %d", self.properties["Name"],
 
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                     command, os.WEXITSTATUS(condition))
 
 
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            self.logger('Checker for client %s (command "%s")'
 
 
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                        ' failed with exit code %s'
 
 
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                        % (self.properties["Name"], command,
 
 
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                           os.WEXITSTATUS(condition)))
 
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        elif os.WIFSIGNALED(condition):
 
196
 
            log.info('Checker for client %s (command "%s") was'
 
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                     " killed by signal %d", self.properties["Name"],
 
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                     command, os.WTERMSIG(condition))
 
 
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            self.logger('Checker for client %s (command "%s")'
 
 
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                        ' was killed by signal %s'
 
 
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                        % (self.properties["Name"], command,
 
 
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                           os.WTERMSIG(condition)))
 
 
235
        elif os.WCOREDUMP(condition):
 
 
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            self.logger('Checker for client %s (command "%s")'
 
 
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                        % (self.properties["Name"], command))
 
 
240
            self.logger('Checker for client %s completed'
 
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    def checker_started(self, command):
 
202
 
        """Server signals that a checker started."""
 
203
 
        log.debug('Client %s started checker "%s"',
 
204
 
                  self.properties["Name"], command)
 
 
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        """Server signals that a checker started. This could be useful
 
 
246
           to log in the future. """
 
 
247
        #self.logger('Client %s started checker "%s"'
 
 
248
        #            % (self.properties["Name"], unicode(command)))
 
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    def got_secret(self):
 
207
 
        log.info("Client %s received its secret",
 
208
 
                 self.properties["Name"])
 
 
252
        self.last_checker_failed = False
 
 
253
        self.logger('Client %s received its secret'
 
 
254
                    % self.properties["Name"])
 
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    def need_approval(self, timeout, default):
 
212
 
            message = "Client %s needs approval within %f seconds"
 
 
258
            message = 'Client %s needs approval within %s seconds'
 
214
 
            message = "Client %s will get its secret in %f seconds"
 
215
 
        log.info(message, self.properties["Name"], timeout/1000)
 
 
260
            message = 'Client %s will get its secret in %s seconds'
 
 
262
                    % (self.properties["Name"], timeout/1000))
 
 
263
        self.using_timer(True)
 
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265
    def rejected(self, reason):
 
218
 
        log.info("Client %s was rejected; reason: %s",
 
219
 
                 self.properties["Name"], reason)
 
 
266
        self.logger('Client %s was rejected; reason: %s'
 
 
267
                    % (self.properties["Name"], reason))
 
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    def selectable(self):
 
222
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        """Make this a "selectable" widget.
 
223
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        This overrides the method from urwid.FlowWidget."""
 
226
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    def rows(self, maxcolrow, focus=False):
 
227
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        """How many rows this widget will occupy might depend on
 
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        whether we have focus or not.
 
229
277
        This overrides the method from urwid.FlowWidget"""
 
230
278
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
232
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    def current_widget(self, focus=False):
 
233
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        if focus or self.opened:
 
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            return self._focus_widget
 
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        return self._widget
 
237
285
    def update(self):
 
238
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        "Called when what is visible on the screen should be updated."
 
239
287
        # How to add standout mode to a style
 
240
 
        with_standout = {"normal": "standout",
 
241
 
                         "bold": "bold-standout",
 
243
 
                         "underline-blink-standout",
 
244
 
                         "bold-underline-blink":
 
245
 
                         "bold-underline-blink-standout",
 
 
288
        with_standout = { "normal": "standout",
 
 
289
                          "bold": "bold-standout",
 
 
291
                              "underline-blink-standout",
 
 
292
                          "bold-underline-blink":
 
 
293
                              "bold-underline-blink-standout",
 
248
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        # Rebuild focus and non-focus widgets using current properties
 
250
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        # Base part of a client. Name!
 
251
 
        base = "{name}: ".format(name=self.properties["Name"])
 
 
300
                      % {"name": self.properties["Name"]})
 
252
301
        if not self.properties["Enabled"]:
 
253
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            message = "DISABLED"
 
254
 
            self.using_timer(False)
 
255
303
        elif self.properties["ApprovalPending"]:
 
256
 
            timeout = datetime.timedelta(
 
257
 
                milliseconds=self.properties["ApprovalDelay"])
 
 
304
            timeout = datetime.timedelta(milliseconds
 
258
307
            last_approval_request = isoformat_to_datetime(
 
259
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                self.properties["LastApprovalRequest"])
 
260
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            if last_approval_request is not None:
 
261
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
262
 
                                       - last_approval_request),
 
263
 
                            datetime.timedelta())
 
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
 
311
                                   - last_approval_request)
 
265
313
                timer = datetime.timedelta()
 
266
314
            if self.properties["ApprovedByDefault"]:
 
267
 
                message = "Approval in {}. (d)eny?"
 
 
315
                message = "Approval in %s. (d)eny?"
 
269
 
                message = "Denial in {}. (a)pprove?"
 
270
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
271
 
            self.using_timer(True)
 
272
 
        elif self.properties["LastCheckerStatus"] != 0:
 
273
 
            # When checker has failed, show timer until client expires
 
 
317
                message = "Denial in %s. (a)pprove?"
 
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
 
319
        elif self.last_checker_failed:
 
 
320
            # When checker has failed, print a timer until client expires
 
274
321
            expires = self.properties["Expires"]
 
275
322
            if expires == "":
 
276
323
                timer = datetime.timedelta(0)
 
278
 
                expires = (datetime.datetime.strptime
 
279
 
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
 
280
 
                timer = max(expires - datetime.datetime.utcnow(),
 
281
 
                            datetime.timedelta())
 
282
 
            message = ("A checker has failed! Time until client"
 
284
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
285
 
            self.using_timer(True)
 
 
325
                expires = datetime.datetime.strptime(expires,
 
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
 
327
                timer = expires - datetime.datetime.utcnow()
 
 
328
            message = ('A checker has failed! Time until client'
 
 
330
                           % unicode(timer).rsplit(".", 1)[0])
 
287
332
            message = "enabled"
 
288
 
            self.using_timer(False)
 
289
 
        self._text = "{}{}".format(base, message)
 
 
333
        self._text = "%s%s" % (base, message)
 
291
335
        if not urwid.supports_unicode():
 
292
336
            self._text = self._text.encode("ascii", "replace")
 
293
337
        textlist = [("normal", self._text)]
 
 
303
347
        # Run update hook, if any
 
304
348
        if self.update_hook is not None:
 
305
349
            self.update_hook()
 
307
351
    def update_timer(self):
 
308
 
        """called by GLib. Will indefinitely loop until
 
309
 
        GLib.source_remove() on tag is called
 
 
352
        """called by gobject. Will indefinitely loop until
 
 
353
        gobject.source_remove() on tag is called"""
 
312
355
        return True             # Keep calling this
 
314
 
    def delete(self, **kwargs):
 
 
357
    def delete(self, *args, **kwargs):
 
315
358
        if self._update_timer_callback_tag is not None:
 
316
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
359
            gobject.source_remove(self._update_timer_callback_tag)
 
317
360
            self._update_timer_callback_tag = None
 
318
361
        for match in self.match_objects:
 
320
363
        self.match_objects = ()
 
321
364
        if self.delete_hook is not None:
 
322
365
            self.delete_hook(self)
 
323
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
325
368
    def render(self, maxcolrow, focus=False):
 
326
369
        """Render differently if we have focus.
 
327
370
        This overrides the method from urwid.FlowWidget"""
 
328
371
        return self.current_widget(focus).render(maxcolrow,
 
331
374
    def keypress(self, maxcolrow, key):
 
333
376
        This overrides the method from urwid.FlowWidget"""
 
335
 
            self.proxy.Set(client_interface, "Enabled",
 
336
 
                           dbus.Boolean(True), ignore_reply=True,
 
337
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
339
 
            self.proxy.Set(client_interface, "Enabled", False,
 
341
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
343
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
344
 
                               dbus_interface=client_interface,
 
 
385
                               dbus_interface = client_interface,
 
345
386
                               ignore_reply=True)
 
347
388
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
348
 
                               dbus_interface=client_interface,
 
 
389
                                  dbus_interface = client_interface,
 
349
390
                               ignore_reply=True)
 
350
391
        elif key == "R" or key == "_" or key == "ctrl k":
 
351
392
            self.server_proxy_object.RemoveClient(self.proxy
 
353
394
                                                  ignore_reply=True)
 
355
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
356
 
                           dbus.Boolean(True), ignore_reply=True,
 
357
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
396
            self.proxy.StartChecker(dbus_interface = client_interface,
 
359
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
360
 
                           dbus.Boolean(False), ignore_reply=True,
 
361
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
399
            self.proxy.StopChecker(dbus_interface = client_interface,
 
363
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
402
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
364
403
                                 ignore_reply=True)
 
366
405
#         elif key == "p" or key == "=":
 
 
375
 
    def properties_changed(self, interface, properties, invalidated):
 
376
 
        """Call self.update() if any properties changed.
 
 
414
    def property_changed(self, property=None, value=None,
 
 
416
        """Call self.update() if old value is not new value.
 
377
417
        This overrides the method from MandosClientPropertyCache"""
 
378
 
        old_values = {key: self.properties.get(key)
 
379
 
                      for key in properties.keys()}
 
380
 
        super(MandosClientWidget, self).properties_changed(
 
381
 
            interface, properties, invalidated)
 
382
 
        if any(old_values[key] != self.properties.get(key)
 
383
 
               for key in old_values):
 
 
418
        property_name = unicode(property)
 
 
419
        old_value = self.properties.get(property_name)
 
 
420
        super(MandosClientWidget, self).property_changed(
 
 
421
            property=property, value=value, *args, **kwargs)
 
 
422
        if self.properties.get(property_name) != old_value:
 
387
 
def glib_safely(func, retval=True):
 
388
 
    def safe_func(*args, **kwargs):
 
390
 
            return func(*args, **kwargs)
 
397
426
class ConstrainedListBox(urwid.ListBox):
 
398
427
    """Like a normal urwid.ListBox, but will consume all "up" or
 
399
428
    "down" key presses, thus not allowing any containing widgets to
 
400
429
    use them as an excuse to shift focus away from this widget.
 
402
 
    def keypress(self, *args, **kwargs):
 
403
 
        ret = (super(ConstrainedListBox, self)
 
404
 
               .keypress(*args, **kwargs))
 
 
431
    def keypress(self, maxcolrow, key):
 
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
405
433
        if ret in ("up", "down"):
 
 
438
class UserInterface(object):
 
411
439
    """This is the entire user interface - the whole screen
 
412
440
    with boxes, lists of client widgets, etc.
 
414
442
    def __init__(self, max_log_length=1000):
 
415
443
        DBusGMainLoop(set_as_default=True)
 
417
445
        self.screen = urwid.curses_display.Screen()
 
419
447
        self.screen.register_palette((
 
421
449
                 "default", "default", None),
 
423
 
                 "bold", "default", "bold"),
 
 
451
                 "default", "default", "bold"),
 
424
452
                ("underline-blink",
 
425
 
                 "underline,blink", "default", "underline,blink"),
 
 
453
                 "default", "default", "underline"),
 
427
 
                 "standout", "default", "standout"),
 
 
455
                 "default", "default", "standout"),
 
428
456
                ("bold-underline-blink",
 
429
 
                 "bold,underline,blink", "default",
 
430
 
                 "bold,underline,blink"),
 
 
457
                 "default", "default", ("bold", "underline")),
 
431
458
                ("bold-standout",
 
432
 
                 "bold,standout", "default", "bold,standout"),
 
 
459
                 "default", "default", ("bold", "standout")),
 
433
460
                ("underline-blink-standout",
 
434
 
                 "underline,blink,standout", "default",
 
435
 
                 "underline,blink,standout"),
 
 
461
                 "default", "default", ("underline", "standout")),
 
436
462
                ("bold-underline-blink-standout",
 
437
 
                 "bold,underline,blink,standout", "default",
 
438
 
                 "bold,underline,blink,standout"),
 
 
463
                 "default", "default", ("bold", "underline",
 
441
467
        if urwid.supports_unicode():
 
442
 
            self.divider = "─"  # \u2500
 
 
468
            self.divider = "─" # \u2500
 
 
469
            #self.divider = "━" # \u2501
 
444
 
            self.divider = "_"  # \u005f
 
 
471
            #self.divider = "-" # \u002d
 
 
472
            self.divider = "_" # \u005f
 
446
474
        self.screen.start()
 
448
476
        self.size = self.screen.get_cols_rows()
 
450
478
        self.clients = urwid.SimpleListWalker([])
 
451
479
        self.clients_dict = {}
 
453
481
        # We will add Text widgets to this list
 
454
 
        self.log = urwid.SimpleListWalker([])
 
455
483
        self.max_log_length = max_log_length
 
457
485
        # We keep a reference to the log widget so we can remove it
 
458
486
        # from the ListWalker without it getting destroyed
 
459
487
        self.logbox = ConstrainedListBox(self.log)
 
461
489
        # This keeps track of whether self.uilist currently has
 
462
490
        # self.logbox in it or not
 
463
491
        self.log_visible = True
 
464
492
        self.log_wrap = "any"
 
466
 
        self.loghandler = UILogHandler(self)
 
469
 
        self.add_log_line(("bold",
 
470
 
                           "Mandos Monitor version " + version))
 
471
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
473
 
        self.busname = domain + ".Mandos"
 
474
 
        self.main_loop = GLib.MainLoop()
 
476
 
    def client_not_found(self, key_id, address):
 
477
 
        log.info("Client with address %s and key ID %s could"
 
478
 
                 " not be found", address, key_id)
 
 
495
        self.log_message_raw(("bold",
 
 
496
                              "Mandos Monitor version " + version))
 
 
497
        self.log_message_raw(("bold",
 
 
500
        self.busname = domain + '.Mandos'
 
 
501
        self.main_loop = gobject.MainLoop()
 
 
503
    def client_not_found(self, fingerprint, address):
 
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
 
505
                          " could not be found" % (address,
 
480
508
    def rebuild(self):
 
481
509
        """This rebuilds the User Interface.
 
482
510
        Call this when the widget layout needs to change"""
 
484
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
512
        #self.uilist.append(urwid.ListBox(self.clients))
 
485
513
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
487
 
                                       # header=urwid.Divider(),
 
 
515
                                       #header=urwid.Divider(),
 
489
 
                                       footer=urwid.Divider(
 
490
 
                                           div_char=self.divider)))
 
 
518
                                       urwid.Divider(div_char=
 
491
520
        if self.log_visible:
 
492
521
            self.uilist.append(self.logbox)
 
493
522
        self.topwidget = urwid.Pile(self.uilist)
 
495
 
    def add_log_line(self, markup):
 
 
524
    def log_message(self, message):
 
 
525
        timestamp = datetime.datetime.now().isoformat()
 
 
526
        self.log_message_raw(timestamp + ": " + message)
 
 
528
    def log_message_raw(self, markup):
 
 
529
        """Add a log message to the log buffer."""
 
496
530
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
497
 
        if self.max_log_length:
 
498
 
            if len(self.log) > self.max_log_length:
 
499
 
                del self.log[0:(len(self.log) - self.max_log_length)]
 
500
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
531
        if (self.max_log_length
 
 
532
            and len(self.log) > self.max_log_length):
 
 
533
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
534
        self.logbox.set_focus(len(self.logbox.body.contents),
 
501
535
                              coming_from="above")
 
504
538
    def toggle_log_display(self):
 
505
539
        """Toggle visibility of the log buffer."""
 
506
540
        self.log_visible = not self.log_visible
 
508
 
        log.debug("Log visibility changed to: %s", self.log_visible)
 
 
542
        #self.log_message("Log visibility changed to: "
 
 
543
        #                 + unicode(self.log_visible))
 
510
545
    def change_log_display(self):
 
511
546
        """Change type of log display.
 
512
547
        Currently, this toggles wrapping of text lines."""
 
 
516
551
            self.log_wrap = "clip"
 
517
552
        for textwidget in self.log:
 
518
553
            textwidget.set_wrap_mode(self.log_wrap)
 
519
 
        log.debug("Wrap mode: %s", self.log_wrap)
 
521
 
    def find_and_remove_client(self, path, interfaces):
 
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
 
 
556
    def find_and_remove_client(self, path, name):
 
522
557
        """Find a client by its object path and remove it.
 
524
 
        This is connected to the InterfacesRemoved signal from the
 
 
559
        This is connected to the ClientRemoved signal from the
 
525
560
        Mandos server object."""
 
526
 
        if client_interface not in interfaces:
 
527
 
            # Not a Mandos client object; ignore
 
530
562
            client = self.clients_dict[path]
 
533
 
            log.warning("Unknown client %s removed", path)
 
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
537
 
    def add_new_client(self, path, ifs_and_props):
 
538
 
        """Find a client by its object path and remove it.
 
540
 
        This is connected to the InterfacesAdded signal from the
 
541
 
        Mandos server object.
 
543
 
        if client_interface not in ifs_and_props:
 
544
 
            # Not a Mandos client object; ignore
 
 
570
    def add_new_client(self, path):
 
546
571
        client_proxy_object = self.bus.get_object(self.busname, path)
 
547
 
        self.add_client(MandosClientWidget(
 
548
 
            server_proxy_object=self.mandos_serv,
 
549
 
            proxy_object=client_proxy_object,
 
550
 
            update_hook=self.refresh,
 
551
 
            delete_hook=self.remove_client,
 
552
 
            properties=dict(ifs_and_props[client_interface])),
 
 
572
        self.add_client(MandosClientWidget(server_proxy_object
 
 
575
                                           =client_proxy_object,
 
555
584
    def add_client(self, client, path=None):
 
556
585
        self.clients.append(client)
 
558
587
            path = client.proxy.object_path
 
559
588
        self.clients_dict[path] = client
 
560
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
 
563
592
    def remove_client(self, client, path=None):
 
564
593
        self.clients.remove(client)
 
566
595
            path = client.proxy.object_path
 
567
596
        del self.clients_dict[path]
 
 
597
        if not self.clients_dict:
 
 
598
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
599
            # is completely emptied, we need to recreate it.
 
 
600
            self.clients = urwid.SimpleListWalker([])
 
570
604
    def refresh(self):
 
571
605
        """Redraw the screen"""
 
572
606
        canvas = self.topwidget.render(self.size, focus=True)
 
573
607
        self.screen.draw_screen(self.size, canvas)
 
576
610
        """Start the main loop and exit when it's done."""
 
577
 
        log.addHandler(self.loghandler)
 
578
 
        self.orig_log_propagate = log.propagate
 
579
 
        log.propagate = False
 
580
 
        self.orig_log_level = log.level
 
582
611
        self.bus = dbus.SystemBus()
 
583
612
        mandos_dbus_objc = self.bus.get_object(
 
584
613
            self.busname, "/", follow_name_owner_changes=True)
 
585
 
        self.mandos_serv = dbus.Interface(
 
586
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
614
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
588
618
            mandos_clients = (self.mandos_serv
 
589
619
                              .GetAllClientsWithProperties())
 
590
 
            if not mandos_clients:
 
591
 
                log.warning("Note: Server has no clients.")
 
592
620
        except dbus.exceptions.DBusException:
 
593
 
            log.warning("Note: No Mandos server running.")
 
594
621
            mandos_clients = dbus.Dictionary()
 
596
623
        (self.mandos_serv
 
597
 
         .connect_to_signal("InterfacesRemoved",
 
 
624
         .connect_to_signal("ClientRemoved",
 
598
625
                            self.find_and_remove_client,
 
599
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
626
                            dbus_interface=server_interface,
 
600
627
                            byte_arrays=True))
 
601
628
        (self.mandos_serv
 
602
 
         .connect_to_signal("InterfacesAdded",
 
 
629
         .connect_to_signal("ClientAdded",
 
603
630
                            self.add_new_client,
 
604
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
631
                            dbus_interface=server_interface,
 
605
632
                            byte_arrays=True))
 
606
633
        (self.mandos_serv
 
607
634
         .connect_to_signal("ClientNotFound",
 
608
635
                            self.client_not_found,
 
609
636
                            dbus_interface=server_interface,
 
610
637
                            byte_arrays=True))
 
611
 
        for path, client in mandos_clients.items():
 
 
638
        for path, client in mandos_clients.iteritems():
 
612
639
            client_proxy_object = self.bus.get_object(self.busname,
 
614
 
            self.add_client(MandosClientWidget(
 
615
 
                server_proxy_object=self.mandos_serv,
 
616
 
                proxy_object=client_proxy_object,
 
618
 
                update_hook=self.refresh,
 
619
 
                delete_hook=self.remove_client),
 
 
641
            self.add_client(MandosClientWidget(server_proxy_object
 
 
644
                                               =client_proxy_object,
 
623
 
        self._input_callback_tag = (
 
625
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
626
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
627
 
                glib_safely(self.process_input)))
 
 
655
        self._input_callback_tag = (gobject.io_add_watch
 
628
659
        self.main_loop.run()
 
629
660
        # Main loop has finished, we should close everything now
 
630
 
        GLib.source_remove(self._input_callback_tag)
 
631
 
        with warnings.catch_warnings():
 
632
 
            warnings.simplefilter("ignore", BytesWarning)
 
 
661
        gobject.source_remove(self._input_callback_tag)
 
636
665
        self.main_loop.quit()
 
637
 
        log.removeHandler(self.loghandler)
 
638
 
        log.propagate = self.orig_log_propagate
 
640
667
    def process_input(self, source, condition):
 
641
668
        keys = self.screen.get_input()
 
642
 
        translations = {"ctrl n": "down",       # Emacs
 
643
 
                        "ctrl p": "up",         # Emacs
 
644
 
                        "ctrl v": "page down",  # Emacs
 
645
 
                        "meta v": "page up",    # Emacs
 
646
 
                        " ": "page down",       # less
 
647
 
                        "f": "page down",       # less
 
648
 
                        "b": "page up",         # less
 
 
669
        translations = { "ctrl n": "down",      # Emacs
 
 
670
                         "ctrl p": "up",        # Emacs
 
 
671
                         "ctrl v": "page down", # Emacs
 
 
672
                         "meta v": "page up",   # Emacs
 
 
673
                         " ": "page down",      # less
 
 
674
                         "f": "page down",      # less
 
 
675
                         "b": "page up",        # less
 
654
681
                key = translations[key]
 
655
682
            except KeyError:    # :-)
 
658
685
            if key == "q" or key == "Q":
 
661
688
            elif key == "window resize":
 
662
689
                self.size = self.screen.get_cols_rows()
 
664
 
            elif key == "ctrl l":
 
 
691
            elif key == "\f":  # Ctrl-L
 
667
693
            elif key == "l" or key == "D":
 
668
694
                self.toggle_log_display()
 
 
701
726
                    self.topwidget.set_focus(self.logbox)
 
704
 
                if log.level < logging.INFO:
 
705
 
                    log.setLevel(logging.INFO)
 
706
 
                    log.info("Verbose mode: Off")
 
708
 
                    log.setLevel(logging.NOTSET)
 
709
 
                    log.info("Verbose mode: On")
 
710
 
            # elif (key == "end" or key == "meta >" or key == "G"
 
712
 
            #     pass            # xxx end-of-buffer
 
713
 
            # elif (key == "home" or key == "meta <" or key == "g"
 
715
 
            #     pass            # xxx beginning-of-buffer
 
716
 
            # elif key == "ctrl e" or key == "$":
 
717
 
            #     pass            # xxx move-end-of-line
 
718
 
            # elif key == "ctrl a" or key == "^":
 
719
 
            #     pass            # xxx move-beginning-of-line
 
720
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
722
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
725
 
            #     pass            # scroll up log
 
727
 
            #     pass            # scroll down log
 
 
728
            #elif (key == "end" or key == "meta >" or key == "G"
 
 
730
            #    pass            # xxx end-of-buffer
 
 
731
            #elif (key == "home" or key == "meta <" or key == "g"
 
 
733
            #    pass            # xxx beginning-of-buffer
 
 
734
            #elif key == "ctrl e" or key == "$":
 
 
735
            #    pass            # xxx move-end-of-line
 
 
736
            #elif key == "ctrl a" or key == "^":
 
 
737
            #    pass            # xxx move-beginning-of-line
 
 
738
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
740
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
743
            #    pass            # scroll up log
 
 
745
            #    pass            # scroll down log
 
728
746
            elif self.topwidget.selectable():
 
729
747
                self.topwidget.keypress(self.size, key)
 
734
 
class UILogHandler(logging.Handler):
 
735
 
    def __init__(self, ui, *args, **kwargs):
 
737
 
        super(UILogHandler, self).__init__(*args, **kwargs)
 
739
 
            logging.Formatter("%(asctime)s: %(message)s"))
 
740
 
    def emit(self, record):
 
741
 
        msg = self.format(record)
 
742
 
        if record.levelno > logging.INFO:
 
744
 
        self.ui.add_log_line(msg)
 
747
751
ui = UserInterface()
 
750
754
except KeyboardInterrupt:
 
751
 
    with warnings.catch_warnings():
 
752
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
755
 
    with warnings.catch_warnings():
 
756
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
757
    ui.log_message(unicode(e))