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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 © 2009-2012 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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# 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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# 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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#     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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# You should have received a copy of the GNU General Public License
 
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# along with this program.  If not, see
 
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# <http://www.gnu.org/licenses/>.
 
 
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# along with Mandos.  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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    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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locale.setlocale(locale.LC_ALL, '')
 
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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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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.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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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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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(object):
 
 
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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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    """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, *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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            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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    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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                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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        # Update properties dict with new value
 
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        self.properties[property] = value
 
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    def delete(self, *args, **kwargs):
 
 
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        if interface == client_interface:
 
 
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            self.properties.update(properties)
 
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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, 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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        self._update_timer_callback_tag = None
 
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        self._update_timer_callback_lock = 0
 
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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__(
 
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            update_hook=update_hook, delete_hook=delete_hook,
 
 
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        super(MandosClientWidget, self).__init__(**kwargs)
 
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        self.opened = False
 
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        last_checked_ok = isoformat_to_datetime(self.properties
 
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        if self.properties ["LastCheckerStatus"] != 0:
 
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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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        #self.logger('Created client {0}'
 
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        #            .format(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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        if property == "LastCheckerStatus":
 
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            using_timer(value != 0)
 
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            #self.logger('Checker for client {0} (command "{1}") was '
 
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            #            ' successful'.format(self.properties["Name"],
 
 
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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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        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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        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
 
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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 = (
 
 
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                GLib.timeout_add(1000,
 
 
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                                 glib_safely(self.update_timer)))
 
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
 
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            GLib.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = 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 os.WIFEXITED(condition):
 
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            self.logger('Checker for client {0} (command "{1}")'
 
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                        ' failed with exit code {2}'
 
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                        .format(self.properties["Name"], command,
 
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                                os.WEXITSTATUS(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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        elif os.WIFSIGNALED(condition):
 
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            self.logger('Checker for client {0} (command "{1}") was'
 
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                        ' killed by signal {2}'
 
223
 
                        .format(self.properties["Name"], command,
 
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                                os.WTERMSIG(condition)))
 
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        elif os.WCOREDUMP(condition):
 
226
 
            self.logger('Checker for client {0} (command "{1}")'
 
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                        .format(self.properties["Name"], command))
 
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            self.logger('Checker for client {0} completed'
 
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                        .format(self.properties["Name"]))
 
 
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            log.info('Checker for client %s (command "%s") was'
 
 
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                     " killed by signal %d", self.properties["Name"],
 
 
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                     command, os.WTERMSIG(condition))
 
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    def checker_started(self, command):
 
236
 
        """Server signals that a checker started. This could be useful
 
237
 
           to log in the future. """
 
238
 
        #self.logger('Client {0} started checker "{1}"'
 
239
 
        #            .format(self.properties["Name"],
 
 
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        """Server signals that a checker started."""
 
 
203
        log.debug('Client %s started checker "%s"',
 
 
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                  self.properties["Name"], command)
 
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    def got_secret(self):
 
244
 
        self.logger('Client {0} received its secret'
 
245
 
                    .format(self.properties["Name"]))
 
 
207
        log.info("Client %s received its secret",
 
 
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                 self.properties["Name"])
 
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    def need_approval(self, timeout, default):
 
249
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
212
            message = "Client %s needs approval within %f seconds"
 
251
 
            message = 'Client {0} will get its secret in {1} seconds'
 
252
 
        self.logger(message.format(self.properties["Name"],
 
254
 
        self.using_timer(True)
 
 
214
            message = "Client %s will get its secret in %f seconds"
 
 
215
        log.info(message, self.properties["Name"], timeout/1000)
 
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    def rejected(self, reason):
 
257
 
        self.logger('Client {0} was rejected; reason: {1}'
 
258
 
                    .format(self.properties["Name"], reason))
 
 
218
        log.info("Client %s was rejected; reason: %s",
 
 
219
                 self.properties["Name"], reason)
 
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    def selectable(self):
 
261
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        """Make this a "selectable" widget.
 
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        This overrides the method from urwid.FlowWidget."""
 
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    def rows(self, maxcolrow, focus=False):
 
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        """How many rows this widget will occupy might depend on
 
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        whether we have focus or not.
 
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        This overrides the method from urwid.FlowWidget"""
 
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        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
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    def current_widget(self, focus=False):
 
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        if focus or self.opened:
 
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            return self._focus_widget
 
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        return self._widget
 
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    def update(self):
 
277
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        "Called when what is visible on the screen should be updated."
 
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        # How to add standout mode to a style
 
279
 
        with_standout = { "normal": "standout",
 
280
 
                          "bold": "bold-standout",
 
282
 
                              "underline-blink-standout",
 
283
 
                          "bold-underline-blink":
 
284
 
                              "bold-underline-blink-standout",
 
 
240
        with_standout = {"normal": "standout",
 
 
241
                         "bold": "bold-standout",
 
 
243
                         "underline-blink-standout",
 
 
244
                         "bold-underline-blink":
 
 
245
                         "bold-underline-blink-standout",
 
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        # Rebuild focus and non-focus widgets using current properties
 
289
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        # Base part of a client. Name!
 
290
 
        base = '{name}: '.format(name=self.properties["Name"])
 
 
251
        base = "{name}: ".format(name=self.properties["Name"])
 
291
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        if not self.properties["Enabled"]:
 
292
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            message = "DISABLED"
 
 
254
            self.using_timer(False)
 
293
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        elif self.properties["ApprovalPending"]:
 
294
 
            timeout = datetime.timedelta(milliseconds
 
 
256
            timeout = datetime.timedelta(
 
 
257
                milliseconds=self.properties["ApprovalDelay"])
 
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            last_approval_request = isoformat_to_datetime(
 
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                self.properties["LastApprovalRequest"])
 
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            if last_approval_request is not None:
 
300
 
                timer = timeout - (datetime.datetime.utcnow()
 
301
 
                                   - last_approval_request)
 
 
261
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
262
                                       - last_approval_request),
 
 
263
                            datetime.timedelta())
 
303
265
                timer = datetime.timedelta()
 
304
266
            if self.properties["ApprovedByDefault"]:
 
305
 
                message = "Approval in {0}. (d)eny?"
 
 
267
                message = "Approval in {}. (d)eny?"
 
307
 
                message = "Denial in {0}. (a)pprove?"
 
308
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
 
269
                message = "Denial in {}. (a)pprove?"
 
 
270
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
271
            self.using_timer(True)
 
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272
        elif self.properties["LastCheckerStatus"] != 0:
 
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            # When checker has failed, show timer until client expires
 
311
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            expires = self.properties["Expires"]
 
 
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        # Run update hook, if any
 
338
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        if self.update_hook is not None:
 
339
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            self.update_hook()
 
341
307
    def update_timer(self):
 
342
 
        """called by gobject. Will indefinitely loop until
 
343
 
        gobject.source_remove() on tag is called"""
 
 
308
        """called by GLib. Will indefinitely loop until
 
 
309
        GLib.source_remove() on tag is called
 
345
312
        return True             # Keep calling this
 
347
 
    def delete(self, *args, **kwargs):
 
 
314
    def delete(self, **kwargs):
 
348
315
        if self._update_timer_callback_tag is not None:
 
349
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
316
            GLib.source_remove(self._update_timer_callback_tag)
 
350
317
            self._update_timer_callback_tag = None
 
351
318
        for match in self.match_objects:
 
353
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        self.match_objects = ()
 
354
321
        if self.delete_hook is not None:
 
355
322
            self.delete_hook(self)
 
356
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
 
323
        return super(MandosClientWidget, self).delete(**kwargs)
 
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325
    def render(self, maxcolrow, focus=False):
 
359
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        """Render differently if we have focus.
 
360
327
        This overrides the method from urwid.FlowWidget"""
 
361
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        return self.current_widget(focus).render(maxcolrow,
 
364
331
    def keypress(self, maxcolrow, key):
 
366
333
        This overrides the method from urwid.FlowWidget"""
 
368
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
335
            self.proxy.Set(client_interface, "Enabled",
 
 
336
                           dbus.Boolean(True), ignore_reply=True,
 
 
337
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
371
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
339
            self.proxy.Set(client_interface, "Enabled", False,
 
 
341
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
374
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
375
 
                               dbus_interface = client_interface,
 
 
344
                               dbus_interface=client_interface,
 
376
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                               ignore_reply=True)
 
378
347
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
379
 
                                  dbus_interface = client_interface,
 
 
348
                               dbus_interface=client_interface,
 
380
349
                               ignore_reply=True)
 
381
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        elif key == "R" or key == "_" or key == "ctrl k":
 
382
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            self.server_proxy_object.RemoveClient(self.proxy
 
384
353
                                                  ignore_reply=True)
 
386
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
355
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
356
                           dbus.Boolean(True), ignore_reply=True,
 
 
357
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
389
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
359
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
360
                           dbus.Boolean(False), ignore_reply=True,
 
 
361
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
392
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
363
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
393
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                                 ignore_reply=True)
 
395
366
#         elif key == "p" or key == "=":
 
 
404
 
    def property_changed(self, property=None, value=None,
 
406
 
        """Call self.update() if old value is not new value.
 
 
375
    def properties_changed(self, interface, properties, invalidated):
 
 
376
        """Call self.update() if any properties changed.
 
407
377
        This overrides the method from MandosClientPropertyCache"""
 
408
 
        property_name = unicode(property)
 
409
 
        old_value = self.properties.get(property_name)
 
410
 
        super(MandosClientWidget, self).property_changed(
 
411
 
            property=property, value=value, *args, **kwargs)
 
412
 
        if self.properties.get(property_name) != old_value:
 
 
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):
 
 
387
def glib_safely(func, retval=True):
 
 
388
    def safe_func(*args, **kwargs):
 
 
390
            return func(*args, **kwargs)
 
416
397
class ConstrainedListBox(urwid.ListBox):
 
417
398
    """Like a normal urwid.ListBox, but will consume all "up" or
 
418
399
    "down" key presses, thus not allowing any containing widgets to
 
419
400
    use them as an excuse to shift focus away from this widget.
 
421
 
    def keypress(self, maxcolrow, key):
 
422
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
 
402
    def keypress(self, *args, **kwargs):
 
 
403
        ret = (super(ConstrainedListBox, self)
 
 
404
               .keypress(*args, **kwargs))
 
423
405
        if ret in ("up", "down"):
 
428
 
class UserInterface(object):
 
429
411
    """This is the entire user interface - the whole screen
 
430
412
    with boxes, lists of client widgets, etc.
 
432
414
    def __init__(self, max_log_length=1000):
 
433
415
        DBusGMainLoop(set_as_default=True)
 
435
417
        self.screen = urwid.curses_display.Screen()
 
437
419
        self.screen.register_palette((
 
439
421
                 "default", "default", None),
 
441
 
                 "default", "default", "bold"),
 
 
423
                 "bold", "default", "bold"),
 
442
424
                ("underline-blink",
 
443
 
                 "default", "default", "underline"),
 
 
425
                 "underline,blink", "default", "underline,blink"),
 
445
 
                 "default", "default", "standout"),
 
 
427
                 "standout", "default", "standout"),
 
446
428
                ("bold-underline-blink",
 
447
 
                 "default", "default", ("bold", "underline")),
 
 
429
                 "bold,underline,blink", "default",
 
 
430
                 "bold,underline,blink"),
 
448
431
                ("bold-standout",
 
449
 
                 "default", "default", ("bold", "standout")),
 
 
432
                 "bold,standout", "default", "bold,standout"),
 
450
433
                ("underline-blink-standout",
 
451
 
                 "default", "default", ("underline", "standout")),
 
 
434
                 "underline,blink,standout", "default",
 
 
435
                 "underline,blink,standout"),
 
452
436
                ("bold-underline-blink-standout",
 
453
 
                 "default", "default", ("bold", "underline",
 
 
437
                 "bold,underline,blink,standout", "default",
 
 
438
                 "bold,underline,blink,standout"),
 
457
441
        if urwid.supports_unicode():
 
458
 
            self.divider = "─" # \u2500
 
459
 
            #self.divider = "━" # \u2501
 
 
442
            self.divider = "─"  # \u2500
 
461
 
            #self.divider = "-" # \u002d
 
462
 
            self.divider = "_" # \u005f
 
 
444
            self.divider = "_"  # \u005f
 
464
446
        self.screen.start()
 
466
448
        self.size = self.screen.get_cols_rows()
 
468
450
        self.clients = urwid.SimpleListWalker([])
 
469
451
        self.clients_dict = {}
 
471
453
        # We will add Text widgets to this list
 
 
454
        self.log = urwid.SimpleListWalker([])
 
473
455
        self.max_log_length = max_log_length
 
475
457
        # We keep a reference to the log widget so we can remove it
 
476
458
        # from the ListWalker without it getting destroyed
 
477
459
        self.logbox = ConstrainedListBox(self.log)
 
479
461
        # This keeps track of whether self.uilist currently has
 
480
462
        # self.logbox in it or not
 
481
463
        self.log_visible = True
 
482
464
        self.log_wrap = "any"
 
 
466
        self.loghandler = UILogHandler(self)
 
485
 
        self.log_message_raw(("bold",
 
486
 
                              "Mandos Monitor version " + version))
 
487
 
        self.log_message_raw(("bold",
 
490
 
        self.busname = domain + '.Mandos'
 
491
 
        self.main_loop = gobject.MainLoop()
 
493
 
    def client_not_found(self, fingerprint, address):
 
494
 
        self.log_message("Client with address {0} and fingerprint"
 
495
 
                         " {1} could not be found"
 
496
 
                         .format(address, fingerprint))
 
 
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)
 
498
480
    def rebuild(self):
 
499
481
        """This rebuilds the User Interface.
 
500
482
        Call this when the widget layout needs to change"""
 
502
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
484
        # self.uilist.append(urwid.ListBox(self.clients))
 
503
485
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
505
 
                                       #header=urwid.Divider(),
 
 
487
                                       # header=urwid.Divider(),
 
508
 
                                       urwid.Divider(div_char=
 
 
489
                                       footer=urwid.Divider(
 
 
490
                                           div_char=self.divider)))
 
510
491
        if self.log_visible:
 
511
492
            self.uilist.append(self.logbox)
 
512
493
        self.topwidget = urwid.Pile(self.uilist)
 
514
 
    def log_message(self, message):
 
515
 
        timestamp = datetime.datetime.now().isoformat()
 
516
 
        self.log_message_raw(timestamp + ": " + message)
 
518
 
    def log_message_raw(self, markup):
 
519
 
        """Add a log message to the log buffer."""
 
 
495
    def add_log_line(self, markup):
 
520
496
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
521
 
        if (self.max_log_length
 
522
 
            and len(self.log) > self.max_log_length):
 
523
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
524
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
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,
 
525
501
                              coming_from="above")
 
528
504
    def toggle_log_display(self):
 
529
505
        """Toggle visibility of the log buffer."""
 
530
506
        self.log_visible = not self.log_visible
 
532
 
        #self.log_message("Log visibility changed to: "
 
533
 
        #                 + unicode(self.log_visible))
 
 
508
        log.debug("Log visibility changed to: %s", self.log_visible)
 
535
510
    def change_log_display(self):
 
536
511
        """Change type of log display.
 
537
512
        Currently, this toggles wrapping of text lines."""
 
 
541
516
            self.log_wrap = "clip"
 
542
517
        for textwidget in self.log:
 
543
518
            textwidget.set_wrap_mode(self.log_wrap)
 
544
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
546
 
    def find_and_remove_client(self, path, name):
 
 
519
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
521
    def find_and_remove_client(self, path, interfaces):
 
547
522
        """Find a client by its object path and remove it.
 
549
 
        This is connected to the ClientRemoved signal from the
 
 
524
        This is connected to the InterfacesRemoved signal from the
 
550
525
        Mandos server object."""
 
 
526
        if client_interface not in interfaces:
 
 
527
            # Not a Mandos client object; ignore
 
552
530
            client = self.clients_dict[path]
 
555
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
533
            log.warning("Unknown client %s removed", path)
 
560
 
    def add_new_client(self, path):
 
 
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
 
561
546
        client_proxy_object = self.bus.get_object(self.busname, path)
 
562
 
        self.add_client(MandosClientWidget(server_proxy_object
 
565
 
                                           =client_proxy_object,
 
 
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])),
 
574
555
    def add_client(self, client, path=None):
 
575
556
        self.clients.append(client)
 
577
558
            path = client.proxy.object_path
 
578
559
        self.clients_dict[path] = client
 
579
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
 
560
        self.clients.sort(key=lambda c: c.properties["Name"])
 
582
563
    def remove_client(self, client, path=None):
 
583
564
        self.clients.remove(client)
 
585
566
            path = client.proxy.object_path
 
586
567
        del self.clients_dict[path]
 
587
 
        if not self.clients_dict:
 
588
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
589
 
            # is completely emptied, we need to recreate it.
 
590
 
            self.clients = urwid.SimpleListWalker([])
 
594
570
    def refresh(self):
 
595
571
        """Redraw the screen"""
 
596
572
        canvas = self.topwidget.render(self.size, focus=True)
 
597
573
        self.screen.draw_screen(self.size, canvas)
 
600
576
        """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
 
601
582
        self.bus = dbus.SystemBus()
 
602
583
        mandos_dbus_objc = self.bus.get_object(
 
603
584
            self.busname, "/", follow_name_owner_changes=True)
 
604
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
585
        self.mandos_serv = dbus.Interface(
 
 
586
            mandos_dbus_objc, dbus_interface=server_interface)
 
608
588
            mandos_clients = (self.mandos_serv
 
609
589
                              .GetAllClientsWithProperties())
 
 
590
            if not mandos_clients:
 
 
591
                log.warning("Note: Server has no clients.")
 
610
592
        except dbus.exceptions.DBusException:
 
 
593
            log.warning("Note: No Mandos server running.")
 
611
594
            mandos_clients = dbus.Dictionary()
 
613
596
        (self.mandos_serv
 
614
 
         .connect_to_signal("ClientRemoved",
 
 
597
         .connect_to_signal("InterfacesRemoved",
 
615
598
                            self.find_and_remove_client,
 
616
 
                            dbus_interface=server_interface,
 
 
599
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
617
600
                            byte_arrays=True))
 
618
601
        (self.mandos_serv
 
619
 
         .connect_to_signal("ClientAdded",
 
 
602
         .connect_to_signal("InterfacesAdded",
 
620
603
                            self.add_new_client,
 
621
 
                            dbus_interface=server_interface,
 
 
604
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
622
605
                            byte_arrays=True))
 
623
606
        (self.mandos_serv
 
624
607
         .connect_to_signal("ClientNotFound",
 
625
608
                            self.client_not_found,
 
626
609
                            dbus_interface=server_interface,
 
627
610
                            byte_arrays=True))
 
628
 
        for path, client in mandos_clients.iteritems():
 
 
611
        for path, client in mandos_clients.items():
 
629
612
            client_proxy_object = self.bus.get_object(self.busname,
 
631
 
            self.add_client(MandosClientWidget(server_proxy_object
 
634
 
                                               =client_proxy_object,
 
 
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),
 
645
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
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)))
 
649
628
        self.main_loop.run()
 
650
629
        # Main loop has finished, we should close everything now
 
651
 
        gobject.source_remove(self._input_callback_tag)
 
 
630
        GLib.source_remove(self._input_callback_tag)
 
 
631
        with warnings.catch_warnings():
 
 
632
            warnings.simplefilter("ignore", BytesWarning)
 
655
636
        self.main_loop.quit()
 
 
637
        log.removeHandler(self.loghandler)
 
 
638
        log.propagate = self.orig_log_propagate
 
657
640
    def process_input(self, source, condition):
 
658
641
        keys = self.screen.get_input()
 
659
 
        translations = { "ctrl n": "down",      # Emacs
 
660
 
                         "ctrl p": "up",        # Emacs
 
661
 
                         "ctrl v": "page down", # Emacs
 
662
 
                         "meta v": "page up",   # Emacs
 
663
 
                         " ": "page down",      # less
 
664
 
                         "f": "page down",      # less
 
665
 
                         "b": "page up",        # less
 
 
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
 
671
654
                key = translations[key]
 
672
655
            except KeyError:    # :-)
 
675
658
            if key == "q" or key == "Q":
 
678
661
            elif key == "window resize":
 
679
662
                self.size = self.screen.get_cols_rows()
 
681
 
            elif key == "\f":  # Ctrl-L
 
 
664
            elif key == "ctrl l":
 
683
667
            elif key == "l" or key == "D":
 
684
668
                self.toggle_log_display()
 
 
716
701
                    self.topwidget.set_focus(self.logbox)
 
718
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
720
 
            #    pass            # xxx end-of-buffer
 
721
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
723
 
            #    pass            # xxx beginning-of-buffer
 
724
 
            #elif key == "ctrl e" or key == "$":
 
725
 
            #    pass            # xxx move-end-of-line
 
726
 
            #elif key == "ctrl a" or key == "^":
 
727
 
            #    pass            # xxx move-beginning-of-line
 
728
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
730
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
733
 
            #    pass            # scroll up log
 
735
 
            #    pass            # scroll down log
 
 
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
 
736
728
            elif self.topwidget.selectable():
 
737
729
                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)
 
741
747
ui = UserInterface()
 
744
750
except KeyboardInterrupt:
 
747
 
    ui.log_message(unicode(e))
 
 
751
    with warnings.catch_warnings():
 
 
752
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
755
    with warnings.catch_warnings():
 
 
756
        warnings.filterwarnings("ignore", "", BytesWarning)