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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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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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# Show warnings by default
 
 
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if not sys.warnoptions:
 
 
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    warnings.simplefilter("default")
 
 
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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}'
 
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                        .format(self.properties["Name"], command,
 
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                                os.WTERMSIG(condition)))
 
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        elif os.WCOREDUMP(condition):
 
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            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):
 
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        """Server signals that a checker started. This could be useful
 
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           to log in the future. """
 
236
 
        #self.logger('Client {0} started checker "{1}"'
 
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        #            .format(self.properties["Name"],
 
 
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        """Server signals that a checker started."""
 
 
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        log.debug('Client %s started checker "%s"',
 
 
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                  self.properties["Name"], command)
 
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    def got_secret(self):
 
242
 
        self.logger('Client {0} received its secret'
 
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                    .format(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):
 
247
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
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            message = "Client %s needs approval within %f seconds"
 
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            message = 'Client {0} will get its secret in {1} seconds'
 
250
 
        self.logger(message.format(self.properties["Name"],
 
252
 
        self.using_timer(True)
 
 
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            message = "Client %s will get its secret in %f seconds"
 
 
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        log.info(message, self.properties["Name"], timeout/1000)
 
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    def rejected(self, reason):
 
255
 
        self.logger('Client {0} was rejected; reason: {1}'
 
256
 
                    .format(self.properties["Name"], reason))
 
 
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        log.info("Client %s was rejected; reason: %s",
 
 
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                 self.properties["Name"], reason)
 
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    def selectable(self):
 
259
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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):
 
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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
 
277
 
        with_standout = { "normal": "standout",
 
278
 
                          "bold": "bold-standout",
 
280
 
                              "underline-blink-standout",
 
281
 
                          "bold-underline-blink":
 
282
 
                              "bold-underline-blink-standout",
 
 
245
        with_standout = {"normal": "standout",
 
 
246
                         "bold": "bold-standout",
 
 
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                         "underline-blink-standout",
 
 
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                         "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!
 
288
 
        base = '{name}: '.format(name=self.properties["Name"])
 
 
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        base = "{name}: ".format(name=self.properties["Name"])
 
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        if not self.properties["Enabled"]:
 
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            message = "DISABLED"
 
 
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            self.using_timer(False)
 
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        elif self.properties["ApprovalPending"]:
 
292
 
            timeout = datetime.timedelta(milliseconds
 
 
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            timeout = datetime.timedelta(
 
 
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                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:
 
298
 
                timer = timeout - (datetime.datetime.utcnow()
 
299
 
                                   - last_approval_request)
 
 
266
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
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                                       - last_approval_request),
 
 
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                            datetime.timedelta())
 
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                timer = datetime.timedelta()
 
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            if self.properties["ApprovedByDefault"]:
 
303
 
                message = "Approval in {0}. (d)eny?"
 
 
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                message = "Approval in {}. (d)eny?"
 
305
 
                message = "Denial in {0}. (a)pprove?"
 
306
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
 
274
                message = "Denial in {}. (a)pprove?"
 
 
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            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
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            self.using_timer(True)
 
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        elif self.properties["LastCheckerStatus"] != 0:
 
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            # When checker has failed, show timer until client expires
 
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            expires = self.properties["Expires"]
 
 
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        # Run update hook, if any
 
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        if self.update_hook is not None:
 
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            self.update_hook()
 
339
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    def update_timer(self):
 
340
 
        """called by gobject. Will indefinitely loop until
 
341
 
        gobject.source_remove() on tag is called"""
 
 
313
        """called by GLib. Will indefinitely loop until
 
 
314
        GLib.source_remove() on tag is called
 
343
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        return True             # Keep calling this
 
345
 
    def delete(self, *args, **kwargs):
 
 
319
    def delete(self, **kwargs):
 
346
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        if self._update_timer_callback_tag is not None:
 
347
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
321
            GLib.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = None
 
349
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        for match in self.match_objects:
 
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        self.match_objects = ()
 
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        if self.delete_hook is not None:
 
353
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            self.delete_hook(self)
 
354
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
 
328
        return super(MandosClientWidget, self).delete(**kwargs)
 
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    def render(self, maxcolrow, focus=False):
 
357
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        """Render differently if we have focus.
 
358
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        This overrides the method from urwid.FlowWidget"""
 
359
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        return self.current_widget(focus).render(maxcolrow,
 
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    def keypress(self, maxcolrow, key):
 
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        This overrides the method from urwid.FlowWidget"""
 
366
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
340
            self.proxy.Set(client_interface, "Enabled",
 
 
341
                           dbus.Boolean(True), ignore_reply=True,
 
 
342
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
369
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
344
            self.proxy.Set(client_interface, "Enabled", False,
 
 
346
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
373
 
                               dbus_interface = client_interface,
 
 
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                               dbus_interface=client_interface,
 
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                               ignore_reply=True)
 
376
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            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
377
 
                                  dbus_interface = client_interface,
 
 
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                               dbus_interface=client_interface,
 
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                               ignore_reply=True)
 
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        elif key == "R" or key == "_" or key == "ctrl k":
 
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            self.server_proxy_object.RemoveClient(self.proxy
 
382
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                                                  ignore_reply=True)
 
384
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
360
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
361
                           dbus.Boolean(True), ignore_reply=True,
 
 
362
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
387
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
364
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
365
                           dbus.Boolean(False), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
390
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
368
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
391
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                                 ignore_reply=True)
 
393
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#         elif key == "p" or key == "=":
 
 
402
 
    def property_changed(self, property=None, value=None,
 
404
 
        """Call self.update() if old value is not new value.
 
 
380
    def properties_changed(self, interface, properties, invalidated):
 
 
381
        """Call self.update() if any properties changed.
 
405
382
        This overrides the method from MandosClientPropertyCache"""
 
406
 
        property_name = unicode(property)
 
407
 
        old_value = self.properties.get(property_name)
 
408
 
        super(MandosClientWidget, self).property_changed(
 
409
 
            property=property, value=value, *args, **kwargs)
 
410
 
        if self.properties.get(property_name) != old_value:
 
 
383
        old_values = {key: self.properties.get(key)
 
 
384
                      for key in properties.keys()}
 
 
385
        super(MandosClientWidget, self).properties_changed(
 
 
386
            interface, properties, invalidated)
 
 
387
        if any(old_values[key] != self.properties.get(key)
 
 
388
               for key in old_values):
 
 
392
def glib_safely(func, retval=True):
 
 
393
    def safe_func(*args, **kwargs):
 
 
395
            return func(*args, **kwargs)
 
414
402
class ConstrainedListBox(urwid.ListBox):
 
415
403
    """Like a normal urwid.ListBox, but will consume all "up" or
 
416
404
    "down" key presses, thus not allowing any containing widgets to
 
417
405
    use them as an excuse to shift focus away from this widget.
 
419
 
    def keypress(self, maxcolrow, key):
 
420
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
 
407
    def keypress(self, *args, **kwargs):
 
 
408
        ret = (super(ConstrainedListBox, self)
 
 
409
               .keypress(*args, **kwargs))
 
421
410
        if ret in ("up", "down"):
 
426
 
class UserInterface(object):
 
427
416
    """This is the entire user interface - the whole screen
 
428
417
    with boxes, lists of client widgets, etc.
 
430
419
    def __init__(self, max_log_length=1000):
 
431
420
        DBusGMainLoop(set_as_default=True)
 
433
422
        self.screen = urwid.curses_display.Screen()
 
435
424
        self.screen.register_palette((
 
437
426
                 "default", "default", None),
 
439
 
                 "default", "default", "bold"),
 
 
428
                 "bold", "default", "bold"),
 
440
429
                ("underline-blink",
 
441
 
                 "default", "default", "underline"),
 
 
430
                 "underline,blink", "default", "underline,blink"),
 
443
 
                 "default", "default", "standout"),
 
 
432
                 "standout", "default", "standout"),
 
444
433
                ("bold-underline-blink",
 
445
 
                 "default", "default", ("bold", "underline")),
 
 
434
                 "bold,underline,blink", "default",
 
 
435
                 "bold,underline,blink"),
 
446
436
                ("bold-standout",
 
447
 
                 "default", "default", ("bold", "standout")),
 
 
437
                 "bold,standout", "default", "bold,standout"),
 
448
438
                ("underline-blink-standout",
 
449
 
                 "default", "default", ("underline", "standout")),
 
 
439
                 "underline,blink,standout", "default",
 
 
440
                 "underline,blink,standout"),
 
450
441
                ("bold-underline-blink-standout",
 
451
 
                 "default", "default", ("bold", "underline",
 
 
442
                 "bold,underline,blink,standout", "default",
 
 
443
                 "bold,underline,blink,standout"),
 
455
446
        if urwid.supports_unicode():
 
456
 
            self.divider = "─" # \u2500
 
457
 
            #self.divider = "━" # \u2501
 
 
447
            self.divider = "─"  # \u2500
 
459
 
            #self.divider = "-" # \u002d
 
460
 
            self.divider = "_" # \u005f
 
 
449
            self.divider = "_"  # \u005f
 
462
451
        self.screen.start()
 
464
453
        self.size = self.screen.get_cols_rows()
 
466
455
        self.clients = urwid.SimpleListWalker([])
 
467
456
        self.clients_dict = {}
 
469
458
        # We will add Text widgets to this list
 
 
459
        self.log = urwid.SimpleListWalker([])
 
471
460
        self.max_log_length = max_log_length
 
473
462
        # We keep a reference to the log widget so we can remove it
 
474
463
        # from the ListWalker without it getting destroyed
 
475
464
        self.logbox = ConstrainedListBox(self.log)
 
477
466
        # This keeps track of whether self.uilist currently has
 
478
467
        # self.logbox in it or not
 
479
468
        self.log_visible = True
 
480
469
        self.log_wrap = "any"
 
 
471
        self.loghandler = UILogHandler(self)
 
483
 
        self.log_message_raw(("bold",
 
484
 
                              "Mandos Monitor version " + version))
 
485
 
        self.log_message_raw(("bold",
 
488
 
        self.busname = domain + '.Mandos'
 
489
 
        self.main_loop = gobject.MainLoop()
 
491
 
    def client_not_found(self, fingerprint, address):
 
492
 
        self.log_message("Client with address {0} and fingerprint"
 
493
 
                         " {1} could not be found"
 
494
 
                         .format(address, fingerprint))
 
 
474
        self.add_log_line(("bold",
 
 
475
                           "Mandos Monitor version " + version))
 
 
476
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
 
478
        self.busname = domain + ".Mandos"
 
 
479
        self.main_loop = GLib.MainLoop()
 
 
481
    def client_not_found(self, key_id, address):
 
 
482
        log.info("Client with address %s and key ID %s could"
 
 
483
                 " not be found", address, key_id)
 
496
485
    def rebuild(self):
 
497
486
        """This rebuilds the User Interface.
 
498
487
        Call this when the widget layout needs to change"""
 
500
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
489
        # self.uilist.append(urwid.ListBox(self.clients))
 
501
490
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
503
 
                                       #header=urwid.Divider(),
 
 
492
                                       # header=urwid.Divider(),
 
506
 
                                       urwid.Divider(div_char=
 
 
494
                                       footer=urwid.Divider(
 
 
495
                                           div_char=self.divider)))
 
508
496
        if self.log_visible:
 
509
497
            self.uilist.append(self.logbox)
 
510
498
        self.topwidget = urwid.Pile(self.uilist)
 
512
 
    def log_message(self, message):
 
513
 
        timestamp = datetime.datetime.now().isoformat()
 
514
 
        self.log_message_raw(timestamp + ": " + message)
 
516
 
    def log_message_raw(self, markup):
 
517
 
        """Add a log message to the log buffer."""
 
 
500
    def add_log_line(self, markup):
 
518
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
519
 
        if (self.max_log_length
 
520
 
            and len(self.log) > self.max_log_length):
 
521
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
522
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
502
        if self.max_log_length:
 
 
503
            if len(self.log) > self.max_log_length:
 
 
504
                del self.log[0:(len(self.log) - self.max_log_length)]
 
 
505
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
523
506
                              coming_from="above")
 
526
509
    def toggle_log_display(self):
 
527
510
        """Toggle visibility of the log buffer."""
 
528
511
        self.log_visible = not self.log_visible
 
530
 
        #self.log_message("Log visibility changed to: "
 
531
 
        #                 + unicode(self.log_visible))
 
 
513
        log.debug("Log visibility changed to: %s", self.log_visible)
 
533
515
    def change_log_display(self):
 
534
516
        """Change type of log display.
 
535
517
        Currently, this toggles wrapping of text lines."""
 
 
539
521
            self.log_wrap = "clip"
 
540
522
        for textwidget in self.log:
 
541
523
            textwidget.set_wrap_mode(self.log_wrap)
 
542
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
544
 
    def find_and_remove_client(self, path, name):
 
 
524
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
526
    def find_and_remove_client(self, path, interfaces):
 
545
527
        """Find a client by its object path and remove it.
 
547
 
        This is connected to the ClientRemoved signal from the
 
 
529
        This is connected to the InterfacesRemoved signal from the
 
548
530
        Mandos server object."""
 
 
531
        if client_interface not in interfaces:
 
 
532
            # Not a Mandos client object; ignore
 
550
535
            client = self.clients_dict[path]
 
553
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
538
            log.warning("Unknown client %s removed", path)
 
558
 
    def add_new_client(self, path):
 
 
542
    def add_new_client(self, path, ifs_and_props):
 
 
543
        """Find a client by its object path and remove it.
 
 
545
        This is connected to the InterfacesAdded signal from the
 
 
546
        Mandos server object.
 
 
548
        if client_interface not in ifs_and_props:
 
 
549
            # Not a Mandos client object; ignore
 
559
551
        client_proxy_object = self.bus.get_object(self.busname, path)
 
560
 
        self.add_client(MandosClientWidget(server_proxy_object
 
563
 
                                           =client_proxy_object,
 
 
552
        self.add_client(MandosClientWidget(
 
 
553
            server_proxy_object=self.mandos_serv,
 
 
554
            proxy_object=client_proxy_object,
 
 
555
            update_hook=self.refresh,
 
 
556
            delete_hook=self.remove_client,
 
 
557
            properties=dict(ifs_and_props[client_interface])),
 
572
560
    def add_client(self, client, path=None):
 
573
561
        self.clients.append(client)
 
575
563
            path = client.proxy.object_path
 
576
564
        self.clients_dict[path] = client
 
577
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
 
565
        self.clients.sort(key=lambda c: c.properties["Name"])
 
580
568
    def remove_client(self, client, path=None):
 
581
569
        self.clients.remove(client)
 
583
571
            path = client.proxy.object_path
 
584
572
        del self.clients_dict[path]
 
585
 
        if not self.clients_dict:
 
586
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
587
 
            # is completely emptied, we need to recreate it.
 
588
 
            self.clients = urwid.SimpleListWalker([])
 
592
575
    def refresh(self):
 
593
576
        """Redraw the screen"""
 
594
577
        canvas = self.topwidget.render(self.size, focus=True)
 
595
578
        self.screen.draw_screen(self.size, canvas)
 
598
581
        """Start the main loop and exit when it's done."""
 
 
582
        log.addHandler(self.loghandler)
 
 
583
        self.orig_log_propagate = log.propagate
 
 
584
        log.propagate = False
 
 
585
        self.orig_log_level = log.level
 
599
587
        self.bus = dbus.SystemBus()
 
600
588
        mandos_dbus_objc = self.bus.get_object(
 
601
589
            self.busname, "/", follow_name_owner_changes=True)
 
602
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
590
        self.mandos_serv = dbus.Interface(
 
 
591
            mandos_dbus_objc, dbus_interface=server_interface)
 
606
593
            mandos_clients = (self.mandos_serv
 
607
594
                              .GetAllClientsWithProperties())
 
 
595
            if not mandos_clients:
 
 
596
                log.warning("Note: Server has no clients.")
 
608
597
        except dbus.exceptions.DBusException:
 
 
598
            log.warning("Note: No Mandos server running.")
 
609
599
            mandos_clients = dbus.Dictionary()
 
611
601
        (self.mandos_serv
 
612
 
         .connect_to_signal("ClientRemoved",
 
 
602
         .connect_to_signal("InterfacesRemoved",
 
613
603
                            self.find_and_remove_client,
 
614
 
                            dbus_interface=server_interface,
 
 
604
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
615
605
                            byte_arrays=True))
 
616
606
        (self.mandos_serv
 
617
 
         .connect_to_signal("ClientAdded",
 
 
607
         .connect_to_signal("InterfacesAdded",
 
618
608
                            self.add_new_client,
 
619
 
                            dbus_interface=server_interface,
 
 
609
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
620
610
                            byte_arrays=True))
 
621
611
        (self.mandos_serv
 
622
612
         .connect_to_signal("ClientNotFound",
 
623
613
                            self.client_not_found,
 
624
614
                            dbus_interface=server_interface,
 
625
615
                            byte_arrays=True))
 
626
 
        for path, client in mandos_clients.iteritems():
 
 
616
        for path, client in mandos_clients.items():
 
627
617
            client_proxy_object = self.bus.get_object(self.busname,
 
629
 
            self.add_client(MandosClientWidget(server_proxy_object
 
632
 
                                               =client_proxy_object,
 
 
619
            self.add_client(MandosClientWidget(
 
 
620
                server_proxy_object=self.mandos_serv,
 
 
621
                proxy_object=client_proxy_object,
 
 
623
                update_hook=self.refresh,
 
 
624
                delete_hook=self.remove_client),
 
643
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
628
        self._input_callback_tag = (
 
 
630
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
631
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
 
632
                glib_safely(self.process_input)))
 
647
633
        self.main_loop.run()
 
648
634
        # Main loop has finished, we should close everything now
 
649
 
        gobject.source_remove(self._input_callback_tag)
 
 
635
        GLib.source_remove(self._input_callback_tag)
 
 
636
        with warnings.catch_warnings():
 
 
637
            warnings.simplefilter("ignore", BytesWarning)
 
653
641
        self.main_loop.quit()
 
 
642
        log.removeHandler(self.loghandler)
 
 
643
        log.propagate = self.orig_log_propagate
 
655
645
    def process_input(self, source, condition):
 
656
646
        keys = self.screen.get_input()
 
657
 
        translations = { "ctrl n": "down",      # Emacs
 
658
 
                         "ctrl p": "up",        # Emacs
 
659
 
                         "ctrl v": "page down", # Emacs
 
660
 
                         "meta v": "page up",   # Emacs
 
661
 
                         " ": "page down",      # less
 
662
 
                         "f": "page down",      # less
 
663
 
                         "b": "page up",        # less
 
 
647
        translations = {"ctrl n": "down",       # Emacs
 
 
648
                        "ctrl p": "up",         # Emacs
 
 
649
                        "ctrl v": "page down",  # Emacs
 
 
650
                        "meta v": "page up",    # Emacs
 
 
651
                        " ": "page down",       # less
 
 
652
                        "f": "page down",       # less
 
 
653
                        "b": "page up",         # less
 
669
659
                key = translations[key]
 
670
660
            except KeyError:    # :-)
 
673
663
            if key == "q" or key == "Q":
 
676
666
            elif key == "window resize":
 
677
667
                self.size = self.screen.get_cols_rows()
 
679
 
            elif key == "\f":  # Ctrl-L
 
 
669
            elif key == "ctrl l":
 
681
672
            elif key == "l" or key == "D":
 
682
673
                self.toggle_log_display()
 
 
714
706
                    self.topwidget.set_focus(self.logbox)
 
716
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
718
 
            #    pass            # xxx end-of-buffer
 
719
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
721
 
            #    pass            # xxx beginning-of-buffer
 
722
 
            #elif key == "ctrl e" or key == "$":
 
723
 
            #    pass            # xxx move-end-of-line
 
724
 
            #elif key == "ctrl a" or key == "^":
 
725
 
            #    pass            # xxx move-beginning-of-line
 
726
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
728
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
731
 
            #    pass            # scroll up log
 
733
 
            #    pass            # scroll down log
 
 
709
                if log.level < logging.INFO:
 
 
710
                    log.setLevel(logging.INFO)
 
 
711
                    log.info("Verbose mode: Off")
 
 
713
                    log.setLevel(logging.NOTSET)
 
 
714
                    log.info("Verbose mode: On")
 
 
715
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
717
            #     pass            # xxx end-of-buffer
 
 
718
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
720
            #     pass            # xxx beginning-of-buffer
 
 
721
            # elif key == "ctrl e" or key == "$":
 
 
722
            #     pass            # xxx move-end-of-line
 
 
723
            # elif key == "ctrl a" or key == "^":
 
 
724
            #     pass            # xxx move-beginning-of-line
 
 
725
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
727
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
730
            #     pass            # scroll up log
 
 
732
            #     pass            # scroll down log
 
734
733
            elif self.topwidget.selectable():
 
735
734
                self.topwidget.keypress(self.size, key)
 
 
739
class UILogHandler(logging.Handler):
 
 
740
    def __init__(self, ui, *args, **kwargs):
 
 
742
        super(UILogHandler, self).__init__(*args, **kwargs)
 
 
744
            logging.Formatter("%(asctime)s: %(message)s"))
 
 
745
    def emit(self, record):
 
 
746
        msg = self.format(record)
 
 
747
        if record.levelno > logging.INFO:
 
 
749
        self.ui.add_log_line(msg)
 
739
752
ui = UserInterface()
 
742
755
except KeyboardInterrupt:
 
745
 
    ui.log_message(unicode(e))
 
 
756
    with warnings.catch_warnings():
 
 
757
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
760
    with warnings.catch_warnings():
 
 
761
        warnings.filterwarnings("ignore", "", BytesWarning)