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#!/usr/bin/python3 -bbI
 
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# -*- mode: python; coding: utf-8 -*-
 
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# Mandos Monitor - Control and monitor the Mandos server
 
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# Copyright © 2009-2012 Teddy Hogeborn
 
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# Copyright © 2009-2012 Björn Påhlsson
 
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# This program is free software: you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
 
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# Copyright © 2009-2019 Teddy Hogeborn
 
 
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# Copyright © 2009-2019 Björn Påhlsson
 
 
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# This file is part of Mandos.
 
 
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# Mandos is free software: you can redistribute it and/or modify it
 
 
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# under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation, either version 3 of the License, or
 
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# (at your option) any later version.
 
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#     This program is distributed in the hope that it will be useful,
 
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#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 
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#     Mandos is distributed in the hope that it will be useful, but
 
 
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#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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#     GNU General Public License for more details.
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program.  If not, see
 
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# <http://www.gnu.org/licenses/>.
 
 
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# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@recompile.se>.
 
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from __future__ import (division, absolute_import, print_function,
 
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from future_builtins import *
 
 
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    from future_builtins import *
 
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import urwid.curses_display
 
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from dbus.mainloop.glib import DBusGMainLoop
 
 
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from gi.repository import GLib
 
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locale.setlocale(locale.LC_ALL, '')
 
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
 
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if sys.version_info.major == 2:
 
 
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log = logging.getLogger(os.path.basename(sys.argv[0]))
 
 
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logging.basicConfig(level="NOTSET", # Show all messages
 
 
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                    format="%(message)s") # Show basic log messages
 
 
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logging.captureWarnings(True)   # Show warnings via the logging system
 
 
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locale.setlocale(locale.LC_ALL, "")
 
 
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
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# Some useful constants
 
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domain = 'se.recompile'
 
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server_interface = domain + '.Mandos'
 
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client_interface = domain + '.Mandos.Client'
 
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# Always run in monochrome mode
 
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urwid.curses_display.curses.has_colors = lambda : False
 
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# Urwid doesn't support blinking, but we want it.  Since we have no
 
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# use for underline on its own, we make underline also always blink.
 
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urwid.curses_display.curses.A_UNDERLINE |= (
 
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    urwid.curses_display.curses.A_BLINK)
 
 
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domain = "se.recompile"
 
 
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server_interface = domain + ".Mandos"
 
 
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client_interface = domain + ".Mandos.Client"
 
 
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    dbus.OBJECT_MANAGER_IFACE
 
 
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except AttributeError:
 
 
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    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
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def isoformat_to_datetime(iso):
 
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    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
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                             int(second),           # Whole seconds
 
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                             int(fraction*1000000)) # Microseconds
 
 
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                             int(second),            # Whole seconds
 
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache(object):
 
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
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    properties and calls a hook function when any of them are
 
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    def __init__(self, proxy_object=None, *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"]))
 
181
 
    def property_changed(self, property=None, value=None):
 
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        super(self, MandosClientWidget).property_changed(property,
 
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        if property == "ApprovalPending":
 
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            using_timer(bool(value))
 
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        if property == "LastCheckerStatus":
 
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            using_timer(value != 0)
 
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            #self.logger('Checker for client {0} (command "{1}") was '
 
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            #            ' successful'.format(self.properties["Name"],
 
 
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        log.debug("Created client %s", self.properties["Name"])
 
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    def using_timer(self, flag):
 
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        """Call this method with True or False when timer should be
 
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        activated or deactivated.
 
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        old = self._update_timer_callback_lock
 
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            self._update_timer_callback_lock += 1
 
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            self._update_timer_callback_lock -= 1
 
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        if old == 0 and self._update_timer_callback_lock:
 
 
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        if flag and self._update_timer_callback_tag is None:
 
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            # Will update the shown timer value every second
 
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            self._update_timer_callback_tag = (gobject.timeout_add
 
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        elif old and self._update_timer_callback_lock == 0:
 
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            gobject.source_remove(self._update_timer_callback_tag)
 
 
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            self._update_timer_callback_tag = (
 
 
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                GLib.timeout_add(1000,
 
 
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                                 glib_safely(self.update_timer)))
 
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
 
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            GLib.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = None
 
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    def checker_completed(self, exitstatus, condition, command):
 
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        if exitstatus == 0:
 
 
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            log.debug('Checker for client %s (command "%s")'
 
 
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                      " succeeded", self.properties["Name"], command)
 
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        if os.WIFEXITED(condition):
 
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            self.logger('Checker for client {0} (command "{1}")'
 
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                        ' failed with exit code {2}'
 
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                        .format(self.properties["Name"], command,
 
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                                os.WEXITSTATUS(condition)))
 
 
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            log.info('Checker for client %s (command "%s") failed'
 
 
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                     " with exit code %d", self.properties["Name"],
 
 
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                     command, os.WEXITSTATUS(condition))
 
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        elif os.WIFSIGNALED(condition):
 
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            self.logger('Checker for client {0} (command "{1}") was'
 
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                        ' killed by signal {2}'
 
223
 
                        .format(self.properties["Name"], command,
 
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                                os.WTERMSIG(condition)))
 
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        elif os.WCOREDUMP(condition):
 
226
 
            self.logger('Checker for client {0} (command "{1}")'
 
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                        .format(self.properties["Name"], command))
 
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            self.logger('Checker for client {0} completed'
 
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                        .format(self.properties["Name"]))
 
 
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            log.info('Checker for client %s (command "%s") was'
 
 
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                     " killed by signal %d", self.properties["Name"],
 
 
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                     command, os.WTERMSIG(condition))
 
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    def checker_started(self, command):
 
236
 
        """Server signals that a checker started. This could be useful
 
237
 
           to log in the future. """
 
238
 
        #self.logger('Client {0} started checker "{1}"'
 
239
 
        #            .format(self.properties["Name"],
 
 
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        """Server signals that a checker started."""
 
 
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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):
 
244
 
        self.logger('Client {0} received its secret'
 
245
 
                    .format(self.properties["Name"]))
 
 
206
        log.info("Client %s received its secret",
 
 
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                 self.properties["Name"])
 
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    def need_approval(self, timeout, default):
 
249
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
211
            message = "Client %s needs approval within %f seconds"
 
251
 
            message = 'Client {0} will get its secret in {1} seconds'
 
252
 
        self.logger(message.format(self.properties["Name"],
 
254
 
        self.using_timer(True)
 
 
213
            message = "Client %s will get its secret in %f seconds"
 
 
214
        log.info(message, self.properties["Name"], timeout/1000)
 
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    def rejected(self, reason):
 
257
 
        self.logger('Client {0} was rejected; reason: {1}'
 
258
 
                    .format(self.properties["Name"], reason))
 
 
217
        log.info("Client %s was rejected; reason: %s",
 
 
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                 self.properties["Name"], reason)
 
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    def selectable(self):
 
261
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        """Make this a "selectable" widget.
 
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        This overrides the method from urwid.FlowWidget."""
 
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    def rows(self, maxcolrow, focus=False):
 
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        """How many rows this widget will occupy might depend on
 
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        whether we have focus or not.
 
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        This overrides the method from urwid.FlowWidget"""
 
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        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
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    def current_widget(self, focus=False):
 
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        if focus or self.opened:
 
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            return self._focus_widget
 
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        return self._widget
 
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    def update(self):
 
277
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        "Called when what is visible on the screen should be updated."
 
278
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        # How to add standout mode to a style
 
279
 
        with_standout = { "normal": "standout",
 
280
 
                          "bold": "bold-standout",
 
282
 
                              "underline-blink-standout",
 
283
 
                          "bold-underline-blink":
 
284
 
                              "bold-underline-blink-standout",
 
 
239
        with_standout = {"normal": "standout",
 
 
240
                         "bold": "bold-standout",
 
 
242
                         "underline-blink-standout",
 
 
243
                         "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!
 
290
 
        base = '{name}: '.format(name=self.properties["Name"])
 
 
250
        base = "{name}: ".format(name=self.properties["Name"])
 
291
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        if not self.properties["Enabled"]:
 
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            message = "DISABLED"
 
 
253
            self.using_timer(False)
 
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        elif self.properties["ApprovalPending"]:
 
294
 
            timeout = datetime.timedelta(milliseconds
 
 
255
            timeout = datetime.timedelta(
 
 
256
                milliseconds=self.properties["ApprovalDelay"])
 
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            last_approval_request = isoformat_to_datetime(
 
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                self.properties["LastApprovalRequest"])
 
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            if last_approval_request is not None:
 
300
 
                timer = timeout - (datetime.datetime.utcnow()
 
301
 
                                   - last_approval_request)
 
 
260
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
261
                                       - last_approval_request),
 
 
262
                            datetime.timedelta())
 
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                timer = datetime.timedelta()
 
304
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            if self.properties["ApprovedByDefault"]:
 
305
 
                message = "Approval in {0}. (d)eny?"
 
 
266
                message = "Approval in {}. (d)eny?"
 
307
 
                message = "Denial in {0}. (a)pprove?"
 
308
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
 
268
                message = "Denial in {}. (a)pprove?"
 
 
269
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
270
            self.using_timer(True)
 
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271
        elif self.properties["LastCheckerStatus"] != 0:
 
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            # When checker has failed, show timer until client expires
 
311
273
            expires = self.properties["Expires"]
 
 
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        # Run update hook, if any
 
338
303
        if self.update_hook is not None:
 
339
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            self.update_hook()
 
341
306
    def update_timer(self):
 
342
 
        """called by gobject. Will indefinitely loop until
 
343
 
        gobject.source_remove() on tag is called"""
 
 
307
        """called by GLib. Will indefinitely loop until
 
 
308
        GLib.source_remove() on tag is called
 
345
311
        return True             # Keep calling this
 
347
 
    def delete(self, *args, **kwargs):
 
 
313
    def delete(self, **kwargs):
 
348
314
        if self._update_timer_callback_tag is not None:
 
349
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
315
            GLib.source_remove(self._update_timer_callback_tag)
 
350
316
            self._update_timer_callback_tag = None
 
351
317
        for match in self.match_objects:
 
353
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        self.match_objects = ()
 
354
320
        if self.delete_hook is not None:
 
355
321
            self.delete_hook(self)
 
356
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
 
322
        return super(MandosClientWidget, self).delete(**kwargs)
 
358
324
    def render(self, maxcolrow, focus=False):
 
359
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        """Render differently if we have focus.
 
360
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        This overrides the method from urwid.FlowWidget"""
 
361
327
        return self.current_widget(focus).render(maxcolrow,
 
364
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    def keypress(self, maxcolrow, key):
 
366
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        This overrides the method from urwid.FlowWidget"""
 
368
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
334
            self.proxy.Set(client_interface, "Enabled",
 
 
335
                           dbus.Boolean(True), ignore_reply=True,
 
 
336
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
371
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
338
            self.proxy.Set(client_interface, "Enabled", False,
 
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
374
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
375
 
                               dbus_interface = client_interface,
 
 
343
                               dbus_interface=client_interface,
 
376
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                               ignore_reply=True)
 
378
346
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
379
 
                                  dbus_interface = client_interface,
 
 
347
                               dbus_interface=client_interface,
 
380
348
                               ignore_reply=True)
 
381
349
        elif key == "R" or key == "_" or key == "ctrl k":
 
382
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            self.server_proxy_object.RemoveClient(self.proxy
 
384
352
                                                  ignore_reply=True)
 
386
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
354
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
355
                           dbus.Boolean(True), ignore_reply=True,
 
 
356
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
389
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
359
                           dbus.Boolean(False), ignore_reply=True,
 
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
392
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
362
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
393
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                                 ignore_reply=True)
 
395
365
#         elif key == "p" or key == "=":
 
 
404
 
    def property_changed(self, property=None, value=None,
 
406
 
        """Call self.update() if old value is not new value.
 
 
374
    def properties_changed(self, interface, properties, invalidated):
 
 
375
        """Call self.update() if any properties changed.
 
407
376
        This overrides the method from MandosClientPropertyCache"""
 
408
 
        property_name = unicode(property)
 
409
 
        old_value = self.properties.get(property_name)
 
410
 
        super(MandosClientWidget, self).property_changed(
 
411
 
            property=property, value=value, *args, **kwargs)
 
412
 
        if self.properties.get(property_name) != old_value:
 
 
377
        old_values = {key: self.properties.get(key)
 
 
378
                      for key in properties.keys()}
 
 
379
        super(MandosClientWidget, self).properties_changed(
 
 
380
            interface, properties, invalidated)
 
 
381
        if any(old_values[key] != self.properties.get(key)
 
 
382
               for key in old_values):
 
 
386
def glib_safely(func, retval=True):
 
 
387
    def safe_func(*args, **kwargs):
 
 
389
            return func(*args, **kwargs)
 
416
396
class ConstrainedListBox(urwid.ListBox):
 
417
397
    """Like a normal urwid.ListBox, but will consume all "up" or
 
418
398
    "down" key presses, thus not allowing any containing widgets to
 
419
399
    use them as an excuse to shift focus away from this widget.
 
421
 
    def keypress(self, maxcolrow, key):
 
422
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
 
401
    def keypress(self, *args, **kwargs):
 
 
402
        ret = (super(ConstrainedListBox, self)
 
 
403
               .keypress(*args, **kwargs))
 
423
404
        if ret in ("up", "down"):
 
 
432
413
    def __init__(self, max_log_length=1000):
 
433
414
        DBusGMainLoop(set_as_default=True)
 
435
416
        self.screen = urwid.curses_display.Screen()
 
437
418
        self.screen.register_palette((
 
439
420
                 "default", "default", None),
 
441
 
                 "default", "default", "bold"),
 
 
422
                 "bold", "default", "bold"),
 
442
423
                ("underline-blink",
 
443
 
                 "default", "default", "underline"),
 
 
424
                 "underline,blink", "default", "underline,blink"),
 
445
 
                 "default", "default", "standout"),
 
 
426
                 "standout", "default", "standout"),
 
446
427
                ("bold-underline-blink",
 
447
 
                 "default", "default", ("bold", "underline")),
 
 
428
                 "bold,underline,blink", "default",
 
 
429
                 "bold,underline,blink"),
 
448
430
                ("bold-standout",
 
449
 
                 "default", "default", ("bold", "standout")),
 
 
431
                 "bold,standout", "default", "bold,standout"),
 
450
432
                ("underline-blink-standout",
 
451
 
                 "default", "default", ("underline", "standout")),
 
 
433
                 "underline,blink,standout", "default",
 
 
434
                 "underline,blink,standout"),
 
452
435
                ("bold-underline-blink-standout",
 
453
 
                 "default", "default", ("bold", "underline",
 
 
436
                 "bold,underline,blink,standout", "default",
 
 
437
                 "bold,underline,blink,standout"),
 
457
440
        if urwid.supports_unicode():
 
458
 
            self.divider = "─" # \u2500
 
459
 
            #self.divider = "━" # \u2501
 
 
441
            self.divider = "─"  # \u2500
 
461
 
            #self.divider = "-" # \u002d
 
462
 
            self.divider = "_" # \u005f
 
 
443
            self.divider = "_"  # \u005f
 
464
445
        self.screen.start()
 
466
447
        self.size = self.screen.get_cols_rows()
 
468
449
        self.clients = urwid.SimpleListWalker([])
 
469
450
        self.clients_dict = {}
 
471
452
        # We will add Text widgets to this list
 
 
453
        self.log = urwid.SimpleListWalker([])
 
473
454
        self.max_log_length = max_log_length
 
475
456
        # We keep a reference to the log widget so we can remove it
 
476
457
        # from the ListWalker without it getting destroyed
 
477
458
        self.logbox = ConstrainedListBox(self.log)
 
479
460
        # This keeps track of whether self.uilist currently has
 
480
461
        # self.logbox in it or not
 
481
462
        self.log_visible = True
 
482
463
        self.log_wrap = "any"
 
 
465
        self.loghandler = UILogHandler(self)
 
485
 
        self.log_message_raw(("bold",
 
486
 
                              "Mandos Monitor version " + version))
 
487
 
        self.log_message_raw(("bold",
 
490
 
        self.busname = domain + '.Mandos'
 
491
 
        self.main_loop = gobject.MainLoop()
 
493
 
    def client_not_found(self, fingerprint, address):
 
494
 
        self.log_message("Client with address {0} and fingerprint"
 
495
 
                         " {1} could not be found"
 
496
 
                         .format(address, fingerprint))
 
 
468
        self.add_log_line(("bold",
 
 
469
                           "Mandos Monitor version " + version))
 
 
470
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
 
472
        self.busname = domain + ".Mandos"
 
 
473
        self.main_loop = GLib.MainLoop()
 
 
475
    def client_not_found(self, key_id, address):
 
 
476
        log.info("Client with address %s and key ID %s could"
 
 
477
                 " not be found", address, key_id)
 
498
479
    def rebuild(self):
 
499
480
        """This rebuilds the User Interface.
 
500
481
        Call this when the widget layout needs to change"""
 
502
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
483
        # self.uilist.append(urwid.ListBox(self.clients))
 
503
484
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
505
 
                                       #header=urwid.Divider(),
 
 
486
                                       # header=urwid.Divider(),
 
508
 
                                       urwid.Divider(div_char=
 
 
488
                                       footer=urwid.Divider(
 
 
489
                                           div_char=self.divider)))
 
510
490
        if self.log_visible:
 
511
491
            self.uilist.append(self.logbox)
 
512
492
        self.topwidget = urwid.Pile(self.uilist)
 
514
 
    def log_message(self, message):
 
515
 
        timestamp = datetime.datetime.now().isoformat()
 
516
 
        self.log_message_raw(timestamp + ": " + message)
 
518
 
    def log_message_raw(self, markup):
 
519
 
        """Add a log message to the log buffer."""
 
 
494
    def add_log_line(self, markup):
 
520
495
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
521
 
        if (self.max_log_length
 
522
 
            and len(self.log) > self.max_log_length):
 
523
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
524
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
496
        if self.max_log_length:
 
 
497
            if len(self.log) > self.max_log_length:
 
 
498
                del self.log[0:(len(self.log) - self.max_log_length)]
 
 
499
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
525
500
                              coming_from="above")
 
528
503
    def toggle_log_display(self):
 
529
504
        """Toggle visibility of the log buffer."""
 
530
505
        self.log_visible = not self.log_visible
 
532
 
        #self.log_message("Log visibility changed to: "
 
533
 
        #                 + unicode(self.log_visible))
 
 
507
        log.debug("Log visibility changed to: %s", self.log_visible)
 
535
509
    def change_log_display(self):
 
536
510
        """Change type of log display.
 
537
511
        Currently, this toggles wrapping of text lines."""
 
 
541
515
            self.log_wrap = "clip"
 
542
516
        for textwidget in self.log:
 
543
517
            textwidget.set_wrap_mode(self.log_wrap)
 
544
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
546
 
    def find_and_remove_client(self, path, name):
 
 
518
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
520
    def find_and_remove_client(self, path, interfaces):
 
547
521
        """Find a client by its object path and remove it.
 
549
 
        This is connected to the ClientRemoved signal from the
 
 
523
        This is connected to the InterfacesRemoved signal from the
 
550
524
        Mandos server object."""
 
 
525
        if client_interface not in interfaces:
 
 
526
            # Not a Mandos client object; ignore
 
552
529
            client = self.clients_dict[path]
 
555
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
532
            log.warning("Unknown client %s removed", path)
 
560
 
    def add_new_client(self, path):
 
 
536
    def add_new_client(self, path, ifs_and_props):
 
 
537
        """Find a client by its object path and remove it.
 
 
539
        This is connected to the InterfacesAdded signal from the
 
 
540
        Mandos server object.
 
 
542
        if client_interface not in ifs_and_props:
 
 
543
            # Not a Mandos client object; ignore
 
561
545
        client_proxy_object = self.bus.get_object(self.busname, path)
 
562
 
        self.add_client(MandosClientWidget(server_proxy_object
 
565
 
                                           =client_proxy_object,
 
 
546
        self.add_client(MandosClientWidget(
 
 
547
            server_proxy_object=self.mandos_serv,
 
 
548
            proxy_object=client_proxy_object,
 
 
549
            update_hook=self.refresh,
 
 
550
            delete_hook=self.remove_client,
 
 
551
            properties=dict(ifs_and_props[client_interface])),
 
574
554
    def add_client(self, client, path=None):
 
575
555
        self.clients.append(client)
 
577
557
            path = client.proxy.object_path
 
578
558
        self.clients_dict[path] = client
 
579
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
 
559
        self.clients.sort(key=lambda c: c.properties["Name"])
 
582
562
    def remove_client(self, client, path=None):
 
583
563
        self.clients.remove(client)
 
585
565
            path = client.proxy.object_path
 
586
566
        del self.clients_dict[path]
 
587
 
        if not self.clients_dict:
 
588
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
589
 
            # is completely emptied, we need to recreate it.
 
590
 
            self.clients = urwid.SimpleListWalker([])
 
594
569
    def refresh(self):
 
595
570
        """Redraw the screen"""
 
596
571
        canvas = self.topwidget.render(self.size, focus=True)
 
597
572
        self.screen.draw_screen(self.size, canvas)
 
600
575
        """Start the main loop and exit when it's done."""
 
 
576
        log.addHandler(self.loghandler)
 
 
577
        self.orig_log_propagate = log.propagate
 
 
578
        log.propagate = False
 
 
579
        self.orig_log_level = log.level
 
601
581
        self.bus = dbus.SystemBus()
 
602
582
        mandos_dbus_objc = self.bus.get_object(
 
603
583
            self.busname, "/", follow_name_owner_changes=True)
 
604
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
584
        self.mandos_serv = dbus.Interface(
 
 
585
            mandos_dbus_objc, dbus_interface=server_interface)
 
608
587
            mandos_clients = (self.mandos_serv
 
609
588
                              .GetAllClientsWithProperties())
 
 
589
            if not mandos_clients:
 
 
590
                log.warning("Note: Server has no clients.")
 
610
591
        except dbus.exceptions.DBusException:
 
 
592
            log.warning("Note: No Mandos server running.")
 
611
593
            mandos_clients = dbus.Dictionary()
 
613
595
        (self.mandos_serv
 
614
 
         .connect_to_signal("ClientRemoved",
 
 
596
         .connect_to_signal("InterfacesRemoved",
 
615
597
                            self.find_and_remove_client,
 
616
 
                            dbus_interface=server_interface,
 
 
598
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
617
599
                            byte_arrays=True))
 
618
600
        (self.mandos_serv
 
619
 
         .connect_to_signal("ClientAdded",
 
 
601
         .connect_to_signal("InterfacesAdded",
 
620
602
                            self.add_new_client,
 
621
 
                            dbus_interface=server_interface,
 
 
603
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
622
604
                            byte_arrays=True))
 
623
605
        (self.mandos_serv
 
624
606
         .connect_to_signal("ClientNotFound",
 
625
607
                            self.client_not_found,
 
626
608
                            dbus_interface=server_interface,
 
627
609
                            byte_arrays=True))
 
628
 
        for path, client in mandos_clients.iteritems():
 
 
610
        for path, client in mandos_clients.items():
 
629
611
            client_proxy_object = self.bus.get_object(self.busname,
 
631
 
            self.add_client(MandosClientWidget(server_proxy_object
 
634
 
                                               =client_proxy_object,
 
 
613
            self.add_client(MandosClientWidget(
 
 
614
                server_proxy_object=self.mandos_serv,
 
 
615
                proxy_object=client_proxy_object,
 
 
617
                update_hook=self.refresh,
 
 
618
                delete_hook=self.remove_client),
 
645
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
622
        self._input_callback_tag = (
 
 
624
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
625
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
 
626
                glib_safely(self.process_input)))
 
649
627
        self.main_loop.run()
 
650
628
        # Main loop has finished, we should close everything now
 
651
 
        gobject.source_remove(self._input_callback_tag)
 
 
629
        GLib.source_remove(self._input_callback_tag)
 
 
630
        with warnings.catch_warnings():
 
 
631
            warnings.simplefilter("ignore", BytesWarning)
 
655
635
        self.main_loop.quit()
 
 
636
        log.removeHandler(self.loghandler)
 
 
637
        log.propagate = self.orig_log_propagate
 
657
639
    def process_input(self, source, condition):
 
658
640
        keys = self.screen.get_input()
 
659
 
        translations = { "ctrl n": "down",      # Emacs
 
660
 
                         "ctrl p": "up",        # Emacs
 
661
 
                         "ctrl v": "page down", # Emacs
 
662
 
                         "meta v": "page up",   # Emacs
 
663
 
                         " ": "page down",      # less
 
664
 
                         "f": "page down",      # less
 
665
 
                         "b": "page up",        # less
 
 
641
        translations = {"ctrl n": "down",       # Emacs
 
 
642
                        "ctrl p": "up",         # Emacs
 
 
643
                        "ctrl v": "page down",  # Emacs
 
 
644
                        "meta v": "page up",    # Emacs
 
 
645
                        " ": "page down",       # less
 
 
646
                        "f": "page down",       # less
 
 
647
                        "b": "page up",         # less
 
671
653
                key = translations[key]
 
672
654
            except KeyError:    # :-)
 
675
657
            if key == "q" or key == "Q":
 
678
660
            elif key == "window resize":
 
679
661
                self.size = self.screen.get_cols_rows()
 
681
 
            elif key == "\f":  # Ctrl-L
 
 
663
            elif key == "ctrl l":
 
683
666
            elif key == "l" or key == "D":
 
684
667
                self.toggle_log_display()
 
 
716
700
                    self.topwidget.set_focus(self.logbox)
 
718
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
720
 
            #    pass            # xxx end-of-buffer
 
721
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
723
 
            #    pass            # xxx beginning-of-buffer
 
724
 
            #elif key == "ctrl e" or key == "$":
 
725
 
            #    pass            # xxx move-end-of-line
 
726
 
            #elif key == "ctrl a" or key == "^":
 
727
 
            #    pass            # xxx move-beginning-of-line
 
728
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
730
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
733
 
            #    pass            # scroll up log
 
735
 
            #    pass            # scroll down log
 
 
703
                if log.level < logging.INFO:
 
 
704
                    log.setLevel(logging.INFO)
 
 
705
                    log.info("Verbose mode: Off")
 
 
707
                    log.setLevel(logging.NOTSET)
 
 
708
                    log.info("Verbose mode: On")
 
 
709
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
711
            #     pass            # xxx end-of-buffer
 
 
712
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
714
            #     pass            # xxx beginning-of-buffer
 
 
715
            # elif key == "ctrl e" or key == "$":
 
 
716
            #     pass            # xxx move-end-of-line
 
 
717
            # elif key == "ctrl a" or key == "^":
 
 
718
            #     pass            # xxx move-beginning-of-line
 
 
719
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
721
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
724
            #     pass            # scroll up log
 
 
726
            #     pass            # scroll down log
 
736
727
            elif self.topwidget.selectable():
 
737
728
                self.topwidget.keypress(self.size, key)
 
 
733
class UILogHandler(logging.Handler):
 
 
734
    def __init__(self, ui, *args, **kwargs):
 
 
736
        super(UILogHandler, self).__init__(*args, **kwargs)
 
 
738
            logging.Formatter("%(asctime)s: %(message)s"))
 
 
739
    def emit(self, record):
 
 
740
        msg = self.format(record)
 
 
741
        if record.levelno > logging.INFO:
 
 
743
        self.ui.add_log_line(msg)
 
741
746
ui = UserInterface()
 
744
749
except KeyboardInterrupt:
 
747
 
    ui.log_message(unicode(e))
 
 
750
    with warnings.catch_warnings():
 
 
751
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
754
    with warnings.catch_warnings():
 
 
755
        warnings.filterwarnings("ignore", "", BytesWarning)