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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 <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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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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        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__(
 
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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 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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        #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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        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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            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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            log.debug('Checker for client %s (command "%s")'
 
 
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                      " succeeded", 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):
 
226
 
            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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            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):
 
231
 
            self.logger('Checker for client %s (command "%s")'
 
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                        ' was killed by signal %s'
 
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                        % (self.properties["Name"], command,
 
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                           os.WTERMSIG(condition)))
 
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        elif os.WCOREDUMP(condition):
 
236
 
            self.logger('Checker for client %s (command "%s")'
 
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                        % (self.properties["Name"], command))
 
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            self.logger('Checker for client %s completed'
 
 
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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):
 
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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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        """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):
 
252
 
        self.last_checker_failed = False
 
253
 
        self.logger('Client %s received its secret'
 
254
 
                    % self.properties["Name"])
 
 
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        log.info("Client %s received its secret",
 
 
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                 self.properties["Name"])
 
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    def need_approval(self, timeout, default):
 
258
 
            message = 'Client %s needs approval within %s seconds'
 
 
212
            message = "Client %s needs approval within %f seconds"
 
260
 
            message = 'Client %s will get its secret in %s seconds'
 
262
 
                    % (self.properties["Name"], timeout/1000))
 
263
 
        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):
 
266
 
        self.logger('Client %s was rejected; reason: %s'
 
267
 
                    % (self.properties["Name"], reason))
 
 
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        log.info("Client %s was rejected; reason: %s",
 
 
219
                 self.properties["Name"], reason)
 
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    def selectable(self):
 
270
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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"""
 
278
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        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
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    def current_widget(self, focus=False):
 
281
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        if focus or self.opened:
 
282
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            return self._focus_widget
 
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        return self._widget
 
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    def update(self):
 
286
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        "Called when what is visible on the screen should be updated."
 
287
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        # How to add standout mode to a style
 
288
 
        with_standout = { "normal": "standout",
 
289
 
                          "bold": "bold-standout",
 
291
 
                              "underline-blink-standout",
 
292
 
                          "bold-underline-blink":
 
293
 
                              "bold-underline-blink-standout",
 
 
240
        with_standout = {"normal": "standout",
 
 
241
                         "bold": "bold-standout",
 
 
243
                         "underline-blink-standout",
 
 
244
                         "bold-underline-blink":
 
 
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                         "bold-underline-blink-standout",
 
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        # Rebuild focus and non-focus widgets using current properties
 
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        # Base part of a client. Name!
 
300
 
                      % {"name": self.properties["Name"]})
 
 
251
        base = "{name}: ".format(name=self.properties["Name"])
 
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        if not self.properties["Enabled"]:
 
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            message = "DISABLED"
 
 
254
            self.using_timer(False)
 
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        elif self.properties["ApprovalPending"]:
 
304
 
            timeout = datetime.timedelta(milliseconds
 
 
256
            timeout = datetime.timedelta(
 
 
257
                milliseconds=self.properties["ApprovalDelay"])
 
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            last_approval_request = isoformat_to_datetime(
 
308
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                self.properties["LastApprovalRequest"])
 
309
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            if last_approval_request is not None:
 
310
 
                timer = timeout - (datetime.datetime.utcnow()
 
311
 
                                   - last_approval_request)
 
 
261
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
262
                                       - last_approval_request),
 
 
263
                            datetime.timedelta())
 
313
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                timer = datetime.timedelta()
 
314
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            if self.properties["ApprovedByDefault"]:
 
315
 
                message = "Approval in %s. (d)eny?"
 
 
267
                message = "Approval in {}. (d)eny?"
 
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
 
 
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
 
321
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            expires = self.properties["Expires"]
 
322
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            if expires == "":
 
323
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                timer = datetime.timedelta(0)
 
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])
 
 
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)
 
332
287
            message = "enabled"
 
333
 
        self._text = "%s%s" % (base, message)
 
 
288
            self.using_timer(False)
 
 
289
        self._text = "{}{}".format(base, message)
 
335
291
        if not urwid.supports_unicode():
 
336
292
            self._text = self._text.encode("ascii", "replace")
 
337
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        textlist = [("normal", self._text)]
 
 
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        # Run update hook, if any
 
348
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        if self.update_hook is not None:
 
349
305
            self.update_hook()
 
351
307
    def update_timer(self):
 
352
 
        """called by gobject. Will indefinitely loop until
 
353
 
        gobject.source_remove() on tag is called"""
 
 
308
        """called by GLib. Will indefinitely loop until
 
 
309
        GLib.source_remove() on tag is called
 
355
312
        return True             # Keep calling this
 
357
 
    def delete(self, *args, **kwargs):
 
 
314
    def delete(self, **kwargs):
 
358
315
        if self._update_timer_callback_tag is not None:
 
359
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
316
            GLib.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = None
 
361
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        for match in self.match_objects:
 
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        self.match_objects = ()
 
364
321
        if self.delete_hook is not None:
 
365
322
            self.delete_hook(self)
 
366
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
 
323
        return super(MandosClientWidget, self).delete(**kwargs)
 
368
325
    def render(self, maxcolrow, focus=False):
 
369
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        """Render differently if we have focus.
 
370
327
        This overrides the method from urwid.FlowWidget"""
 
371
328
        return self.current_widget(focus).render(maxcolrow,
 
374
331
    def keypress(self, maxcolrow, key):
 
376
333
        This overrides the method from urwid.FlowWidget"""
 
378
 
            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)
 
381
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
339
            self.proxy.Set(client_interface, "Enabled", False,
 
 
341
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
384
343
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
385
 
                               dbus_interface = client_interface,
 
 
344
                               dbus_interface=client_interface,
 
386
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                               ignore_reply=True)
 
388
347
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
389
 
                                  dbus_interface = client_interface,
 
 
348
                               dbus_interface=client_interface,
 
390
349
                               ignore_reply=True)
 
391
350
        elif key == "R" or key == "_" or key == "ctrl k":
 
392
351
            self.server_proxy_object.RemoveClient(self.proxy
 
394
353
                                                  ignore_reply=True)
 
396
 
            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)
 
399
 
            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)
 
402
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
363
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
403
364
                                 ignore_reply=True)
 
405
366
#         elif key == "p" or key == "=":
 
 
414
 
    def property_changed(self, property=None, value=None,
 
416
 
        """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.
 
417
377
        This overrides the method from MandosClientPropertyCache"""
 
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:
 
 
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)
 
426
397
class ConstrainedListBox(urwid.ListBox):
 
427
398
    """Like a normal urwid.ListBox, but will consume all "up" or
 
428
399
    "down" key presses, thus not allowing any containing widgets to
 
429
400
    use them as an excuse to shift focus away from this widget.
 
431
 
    def keypress(self, maxcolrow, key):
 
432
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
 
402
    def keypress(self, *args, **kwargs):
 
 
403
        ret = (super(ConstrainedListBox, self)
 
 
404
               .keypress(*args, **kwargs))
 
433
405
        if ret in ("up", "down"):
 
438
 
class UserInterface(object):
 
439
411
    """This is the entire user interface - the whole screen
 
440
412
    with boxes, lists of client widgets, etc.
 
442
414
    def __init__(self, max_log_length=1000):
 
443
415
        DBusGMainLoop(set_as_default=True)
 
445
417
        self.screen = urwid.curses_display.Screen()
 
447
419
        self.screen.register_palette((
 
449
421
                 "default", "default", None),
 
451
 
                 "default", "default", "bold"),
 
 
423
                 "bold", "default", "bold"),
 
452
424
                ("underline-blink",
 
453
 
                 "default", "default", "underline"),
 
 
425
                 "underline,blink", "default", "underline,blink"),
 
455
 
                 "default", "default", "standout"),
 
 
427
                 "standout", "default", "standout"),
 
456
428
                ("bold-underline-blink",
 
457
 
                 "default", "default", ("bold", "underline")),
 
 
429
                 "bold,underline,blink", "default",
 
 
430
                 "bold,underline,blink"),
 
458
431
                ("bold-standout",
 
459
 
                 "default", "default", ("bold", "standout")),
 
 
432
                 "bold,standout", "default", "bold,standout"),
 
460
433
                ("underline-blink-standout",
 
461
 
                 "default", "default", ("underline", "standout")),
 
 
434
                 "underline,blink,standout", "default",
 
 
435
                 "underline,blink,standout"),
 
462
436
                ("bold-underline-blink-standout",
 
463
 
                 "default", "default", ("bold", "underline",
 
 
437
                 "bold,underline,blink,standout", "default",
 
 
438
                 "bold,underline,blink,standout"),
 
467
441
        if urwid.supports_unicode():
 
468
 
            self.divider = "─" # \u2500
 
469
 
            #self.divider = "━" # \u2501
 
 
442
            self.divider = "─"  # \u2500
 
471
 
            #self.divider = "-" # \u002d
 
472
 
            self.divider = "_" # \u005f
 
 
444
            self.divider = "_"  # \u005f
 
474
446
        self.screen.start()
 
476
448
        self.size = self.screen.get_cols_rows()
 
478
450
        self.clients = urwid.SimpleListWalker([])
 
479
451
        self.clients_dict = {}
 
481
453
        # We will add Text widgets to this list
 
 
454
        self.log = urwid.SimpleListWalker([])
 
483
455
        self.max_log_length = max_log_length
 
485
457
        # We keep a reference to the log widget so we can remove it
 
486
458
        # from the ListWalker without it getting destroyed
 
487
459
        self.logbox = ConstrainedListBox(self.log)
 
489
461
        # This keeps track of whether self.uilist currently has
 
490
462
        # self.logbox in it or not
 
491
463
        self.log_visible = True
 
492
464
        self.log_wrap = "any"
 
 
466
        self.loghandler = UILogHandler(self)
 
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,
 
 
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)
 
508
480
    def rebuild(self):
 
509
481
        """This rebuilds the User Interface.
 
510
482
        Call this when the widget layout needs to change"""
 
512
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
484
        # self.uilist.append(urwid.ListBox(self.clients))
 
513
485
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
515
 
                                       #header=urwid.Divider(),
 
 
487
                                       # header=urwid.Divider(),
 
518
 
                                       urwid.Divider(div_char=
 
 
489
                                       footer=urwid.Divider(
 
 
490
                                           div_char=self.divider)))
 
520
491
        if self.log_visible:
 
521
492
            self.uilist.append(self.logbox)
 
522
493
        self.topwidget = urwid.Pile(self.uilist)
 
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."""
 
 
495
    def add_log_line(self, markup):
 
530
496
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
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),
 
 
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,
 
535
501
                              coming_from="above")
 
538
504
    def toggle_log_display(self):
 
539
505
        """Toggle visibility of the log buffer."""
 
540
506
        self.log_visible = not self.log_visible
 
542
 
        #self.log_message("Log visibility changed to: "
 
543
 
        #                 + unicode(self.log_visible))
 
 
508
        log.debug("Log visibility changed to: %s", self.log_visible)
 
545
510
    def change_log_display(self):
 
546
511
        """Change type of log display.
 
547
512
        Currently, this toggles wrapping of text lines."""
 
 
551
516
            self.log_wrap = "clip"
 
552
517
        for textwidget in self.log:
 
553
518
            textwidget.set_wrap_mode(self.log_wrap)
 
554
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
556
 
    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):
 
557
522
        """Find a client by its object path and remove it.
 
559
 
        This is connected to the ClientRemoved signal from the
 
 
524
        This is connected to the InterfacesRemoved signal from the
 
560
525
        Mandos server object."""
 
 
526
        if client_interface not in interfaces:
 
 
527
            # Not a Mandos client object; ignore
 
562
530
            client = self.clients_dict[path]
 
565
 
            self.log_message("Unknown client %r (%r) removed", name,
 
 
533
            log.warning("Unknown client %s removed", path)
 
570
 
    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
 
571
546
        client_proxy_object = self.bus.get_object(self.busname, path)
 
572
 
        self.add_client(MandosClientWidget(server_proxy_object
 
575
 
                                           =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])),
 
584
555
    def add_client(self, client, path=None):
 
585
556
        self.clients.append(client)
 
587
558
            path = client.proxy.object_path
 
588
559
        self.clients_dict[path] = client
 
589
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
 
560
        self.clients.sort(key=lambda c: c.properties["Name"])
 
592
563
    def remove_client(self, client, path=None):
 
593
564
        self.clients.remove(client)
 
595
566
            path = client.proxy.object_path
 
596
567
        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([])
 
604
570
    def refresh(self):
 
605
571
        """Redraw the screen"""
 
606
572
        canvas = self.topwidget.render(self.size, focus=True)
 
607
573
        self.screen.draw_screen(self.size, canvas)
 
610
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
 
611
582
        self.bus = dbus.SystemBus()
 
612
583
        mandos_dbus_objc = self.bus.get_object(
 
613
584
            self.busname, "/", follow_name_owner_changes=True)
 
614
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
585
        self.mandos_serv = dbus.Interface(
 
 
586
            mandos_dbus_objc, dbus_interface=server_interface)
 
618
588
            mandos_clients = (self.mandos_serv
 
619
589
                              .GetAllClientsWithProperties())
 
 
590
            if not mandos_clients:
 
 
591
                log.warning("Note: Server has no clients.")
 
620
592
        except dbus.exceptions.DBusException:
 
 
593
            log.warning("Note: No Mandos server running.")
 
621
594
            mandos_clients = dbus.Dictionary()
 
623
596
        (self.mandos_serv
 
624
 
         .connect_to_signal("ClientRemoved",
 
 
597
         .connect_to_signal("InterfacesRemoved",
 
625
598
                            self.find_and_remove_client,
 
626
 
                            dbus_interface=server_interface,
 
 
599
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
627
600
                            byte_arrays=True))
 
628
601
        (self.mandos_serv
 
629
 
         .connect_to_signal("ClientAdded",
 
 
602
         .connect_to_signal("InterfacesAdded",
 
630
603
                            self.add_new_client,
 
631
 
                            dbus_interface=server_interface,
 
 
604
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
632
605
                            byte_arrays=True))
 
633
606
        (self.mandos_serv
 
634
607
         .connect_to_signal("ClientNotFound",
 
635
608
                            self.client_not_found,
 
636
609
                            dbus_interface=server_interface,
 
637
610
                            byte_arrays=True))
 
638
 
        for path, client in mandos_clients.iteritems():
 
 
611
        for path, client in mandos_clients.items():
 
639
612
            client_proxy_object = self.bus.get_object(self.busname,
 
641
 
            self.add_client(MandosClientWidget(server_proxy_object
 
644
 
                                               =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),
 
655
 
        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)))
 
659
628
        self.main_loop.run()
 
660
629
        # Main loop has finished, we should close everything now
 
661
 
        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)
 
665
636
        self.main_loop.quit()
 
 
637
        log.removeHandler(self.loghandler)
 
 
638
        log.propagate = self.orig_log_propagate
 
667
640
    def process_input(self, source, condition):
 
668
641
        keys = self.screen.get_input()
 
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
 
 
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
 
681
654
                key = translations[key]
 
682
655
            except KeyError:    # :-)
 
685
658
            if key == "q" or key == "Q":
 
688
661
            elif key == "window resize":
 
689
662
                self.size = self.screen.get_cols_rows()
 
691
 
            elif key == "\f":  # Ctrl-L
 
 
664
            elif key == "ctrl l":
 
693
667
            elif key == "l" or key == "D":
 
694
668
                self.toggle_log_display()
 
 
726
701
                    self.topwidget.set_focus(self.logbox)
 
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
 
 
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
 
746
728
            elif self.topwidget.selectable():
 
747
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)
 
751
747
ui = UserInterface()
 
754
750
except KeyboardInterrupt:
 
757
 
    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)