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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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if sys.version_info.major == 2:
 
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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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    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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    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.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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        if properties is None:
 
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            self.properties.update(
 
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                self.proxy.GetAll(client_interface,
 
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                                  = dbus.PROPERTIES_IFACE))
 
 
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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 _property_changed(self, property, value):
 
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        """Helper which takes positional arguments"""
 
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        return self.property_changed(property=property, value=value)
 
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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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    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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        if interface == client_interface:
 
 
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            self.properties.update(properties)
 
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    def delete(self):
 
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        self.property_changed_match.remove()
 
 
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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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        self.logger('Created client {}'
 
 
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                    .format(self.properties["Name"]), level=0)
 
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    def using_timer(self, flag):
 
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        """Call this method with True or False when timer should be
 
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        activated or deactivated.
 
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        if flag and self._update_timer_callback_tag is None:
 
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            # Will update the shown timer value every second
 
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            self._update_timer_callback_tag = (gobject.timeout_add
 
 
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            self._update_timer_callback_tag = (GLib.timeout_add
 
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                                                self.update_timer))
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
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            gobject.source_remove(self._update_timer_callback_tag)
 
 
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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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            self.logger('Checker for client {} (command "{}")'
 
 
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                        ' succeeded'.format(self.properties["Name"],
 
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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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            self.logger('Checker for client {} (command "{}") failed'
 
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                        .format(self.properties["Name"], command,
 
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                                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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            self.logger('Checker for client {} (command "{}") was'
 
 
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                        ' killed by signal {}'
 
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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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    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. """
 
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        #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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        self.logger('Client {} started checker "{}"'
 
 
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                    .format(self.properties["Name"],
 
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    def got_secret(self):
 
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        self.logger('Client {0} received its secret'
 
 
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        self.logger('Client {} received its secret'
 
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                    .format(self.properties["Name"]))
 
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    def need_approval(self, timeout, default):
 
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            message = 'Client {0} needs approval within {1} seconds'
 
 
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            message = 'Client {} needs approval within {} seconds'
 
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            message = 'Client {0} will get its secret in {1} seconds'
 
 
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            message = 'Client {} will get its secret in {} seconds'
 
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        self.logger(message.format(self.properties["Name"],
 
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    def rejected(self, reason):
 
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        self.logger('Client {0} was rejected; reason: {1}'
 
 
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        self.logger('Client {} was rejected; reason: {}'
 
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                    .format(self.properties["Name"], reason))
 
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    def selectable(self):
 
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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
 
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        with_standout = { "normal": "standout",
 
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                          "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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        with_standout = {"normal": "standout",
 
 
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                         "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!
 
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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"]:
 
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            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:
 
 
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        if self.delete_hook is not None:
 
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            self.delete_hook(self)
 
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        return super(MandosClientWidget, self).delete(**kwargs)
 
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    def render(self, maxcolrow, focus=False):
 
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        """Render differently if we have focus.
 
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        This overrides the method from urwid.FlowWidget"""
 
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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"""
 
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            self.proxy.Enable(dbus_interface = client_interface,
 
 
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            self.proxy.Set(client_interface, "Enabled",
 
 
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                           dbus.Boolean(True), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
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            self.proxy.Disable(dbus_interface = client_interface,
 
 
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            self.proxy.Set(client_interface, "Enabled", False,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
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                               dbus_interface = client_interface,
 
 
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                               dbus_interface=client_interface,
 
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                               ignore_reply=True)
 
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            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
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                                  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
 
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                                                  ignore_reply=True)
 
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            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
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            self.proxy.Set(client_interface, "CheckerRunning",
 
 
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                           dbus.Boolean(True), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
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            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
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            self.proxy.Set(client_interface, "CheckerRunning",
 
 
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                           dbus.Boolean(False), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
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            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
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            self.proxy.CheckedOK(dbus_interface=client_interface,
 
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                                 ignore_reply=True)
 
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#         elif key == "p" or key == "=":
 
 
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    """This is the entire user interface - the whole screen
 
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    with boxes, lists of client widgets, etc.
 
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    def __init__(self, max_log_length=1000):
 
 
407
    def __init__(self, max_log_length=1000, log_level=1):
 
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        DBusGMainLoop(set_as_default=True)
 
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        self.screen = urwid.curses_display.Screen()
 
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        self.screen.register_palette((
 
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                 "default", "default", None),
 
418
 
                 "default", "default", "bold"),
 
 
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                 "bold", "default", "bold"),
 
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                ("underline-blink",
 
420
 
                 "default", "default", "underline"),
 
 
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                 "underline,blink", "default", "underline,blink"),
 
422
 
                 "default", "default", "standout"),
 
 
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                 "standout", "default", "standout"),
 
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                ("bold-underline-blink",
 
424
 
                 "default", "default", ("bold", "underline")),
 
 
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                 "bold,underline,blink", "default",
 
 
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                 "bold,underline,blink"),
 
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                ("bold-standout",
 
426
 
                 "default", "default", ("bold", "standout")),
 
 
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                 "bold,standout", "default", "bold,standout"),
 
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                ("underline-blink-standout",
 
428
 
                 "default", "default", ("underline", "standout")),
 
 
427
                 "underline,blink,standout", "default",
 
 
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                 "underline,blink,standout"),
 
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                ("bold-underline-blink-standout",
 
430
 
                 "default", "default", ("bold", "underline",
 
 
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                 "bold,underline,blink,standout", "default",
 
 
431
                 "bold,underline,blink,standout"),
 
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        if urwid.supports_unicode():
 
435
 
            self.divider = "─" # \u2500
 
436
 
            #self.divider = "━" # \u2501
 
 
435
            self.divider = "─"  # \u2500
 
438
 
            #self.divider = "-" # \u002d
 
439
 
            self.divider = "_" # \u005f
 
 
437
            self.divider = "_"  # \u005f
 
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        self.screen.start()
 
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        self.size = self.screen.get_cols_rows()
 
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        self.clients = urwid.SimpleListWalker([])
 
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        self.clients_dict = {}
 
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        # We will add Text widgets to this list
 
 
447
        self.log = urwid.SimpleListWalker([])
 
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        self.max_log_length = max_log_length
 
 
450
        self.log_level = log_level
 
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        # We keep a reference to the log widget so we can remove it
 
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        # from the ListWalker without it getting destroyed
 
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        self.logbox = ConstrainedListBox(self.log)
 
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        # This keeps track of whether self.uilist currently has
 
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        # self.logbox in it or not
 
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        self.log_visible = True
 
459
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        self.log_wrap = "any"
 
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        self.log_message_raw(("bold",
 
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                              "Mandos Monitor version " + version))
 
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        self.log_message_raw(("bold",
 
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                              "q: Quit  ?: Help"))
 
467
467
        self.busname = domain + '.Mandos'
 
468
 
        self.main_loop = gobject.MainLoop()
 
470
 
    def client_not_found(self, fingerprint, address):
 
471
 
        self.log_message("Client with address {0} and fingerprint"
 
472
 
                         " {1} could not be found"
 
473
 
                         .format(address, fingerprint))
 
 
468
        self.main_loop = GLib.MainLoop()
 
 
470
    def client_not_found(self, key_id, address):
 
 
471
        self.log_message("Client with address {} and key ID {} could"
 
 
472
                         " not be found".format(address, key_id))
 
475
474
    def rebuild(self):
 
476
475
        """This rebuilds the User Interface.
 
477
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        Call this when the widget layout needs to change"""
 
479
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
 
480
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
482
 
                                       #header=urwid.Divider(),
 
 
481
                                       # header=urwid.Divider(),
 
485
 
                                       urwid.Divider(div_char=
 
 
483
                                       footer=urwid.Divider(
 
 
484
                                           div_char=self.divider)))
 
487
485
        if self.log_visible:
 
488
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            self.uilist.append(self.logbox)
 
489
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        self.topwidget = urwid.Pile(self.uilist)
 
491
 
    def log_message(self, message):
 
 
489
    def log_message(self, message, level=1):
 
 
490
        """Log message formatted with timestamp"""
 
 
491
        if level < self.log_level:
 
492
493
        timestamp = datetime.datetime.now().isoformat()
 
493
 
        self.log_message_raw(timestamp + ": " + message)
 
495
 
    def log_message_raw(self, markup):
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
497
    def log_message_raw(self, markup, level=1):
 
496
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        """Add a log message to the log buffer."""
 
 
499
        if level < self.log_level:
 
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        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
498
 
        if (self.max_log_length
 
499
 
            and len(self.log) > self.max_log_length):
 
500
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
501
 
        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-1]
 
 
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        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
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                              coming_from="above")
 
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    def toggle_log_display(self):
 
506
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        """Toggle visibility of the log buffer."""
 
507
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        self.log_visible = not self.log_visible
 
509
 
        #self.log_message("Log visibility changed to: "
 
510
 
        #                 + unicode(self.log_visible))
 
 
513
        self.log_message("Log visibility changed to: {}"
 
 
514
                         .format(self.log_visible), level=0)
 
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    def change_log_display(self):
 
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        """Change type of log display.
 
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        Currently, this toggles wrapping of text lines."""
 
 
518
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            self.log_wrap = "clip"
 
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        for textwidget in self.log:
 
520
524
            textwidget.set_wrap_mode(self.log_wrap)
 
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
523
 
    def find_and_remove_client(self, path, name):
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
528
    def find_and_remove_client(self, path, interfaces):
 
524
529
        """Find a client by its object path and remove it.
 
526
 
        This is connected to the ClientRemoved signal from the
 
 
531
        This is connected to the InterfacesRemoved signal from the
 
527
532
        Mandos server object."""
 
 
533
        if client_interface not in interfaces:
 
 
534
            # Not a Mandos client object; ignore
 
529
537
            client = self.clients_dict[path]
 
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
540
            self.log_message("Unknown client {!r} removed"
 
537
 
    def add_new_client(self, path):
 
 
545
    def add_new_client(self, path, ifs_and_props):
 
 
546
        """Find a client by its object path and remove it.
 
 
548
        This is connected to the InterfacesAdded signal from the
 
 
549
        Mandos server object.
 
 
551
        if client_interface not in ifs_and_props:
 
 
552
            # Not a Mandos client object; ignore
 
538
554
        client_proxy_object = self.bus.get_object(self.busname, path)
 
539
 
        self.add_client(MandosClientWidget(server_proxy_object
 
542
 
                                           =client_proxy_object,
 
 
555
        self.add_client(MandosClientWidget(
 
 
556
            server_proxy_object=self.mandos_serv,
 
 
557
            proxy_object=client_proxy_object,
 
 
558
            update_hook=self.refresh,
 
 
559
            delete_hook=self.remove_client,
 
 
560
            logger=self.log_message,
 
 
561
            properties=dict(ifs_and_props[client_interface])),
 
551
564
    def add_client(self, client, path=None):
 
552
565
        self.clients.append(client)
 
554
567
            path = client.proxy.object_path
 
555
568
        self.clients_dict[path] = client
 
556
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
 
569
        self.clients.sort(key=lambda c: c.properties["Name"])
 
559
572
    def remove_client(self, client, path=None):
 
560
573
        self.clients.remove(client)
 
562
575
            path = client.proxy.object_path
 
563
576
        del self.clients_dict[path]
 
564
 
        if not self.clients_dict:
 
565
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
566
 
            # is completely emptied, we need to recreate it.
 
567
 
            self.clients = urwid.SimpleListWalker([])
 
571
579
    def refresh(self):
 
572
580
        """Redraw the screen"""
 
573
581
        canvas = self.topwidget.render(self.size, focus=True)
 
574
582
        self.screen.draw_screen(self.size, canvas)
 
577
585
        """Start the main loop and exit when it's done."""
 
578
586
        self.bus = dbus.SystemBus()
 
579
587
        mandos_dbus_objc = self.bus.get_object(
 
580
588
            self.busname, "/", follow_name_owner_changes=True)
 
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
589
        self.mandos_serv = dbus.Interface(
 
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
 
585
592
            mandos_clients = (self.mandos_serv
 
586
593
                              .GetAllClientsWithProperties())
 
 
594
            if not mandos_clients:
 
 
595
                self.log_message_raw(("bold",
 
 
596
                                      "Note: Server has no clients."))
 
587
597
        except dbus.exceptions.DBusException:
 
 
598
            self.log_message_raw(("bold",
 
 
599
                                  "Note: No Mandos server running."))
 
588
600
            mandos_clients = dbus.Dictionary()
 
590
602
        (self.mandos_serv
 
591
 
         .connect_to_signal("ClientRemoved",
 
 
603
         .connect_to_signal("InterfacesRemoved",
 
592
604
                            self.find_and_remove_client,
 
593
 
                            dbus_interface=server_interface,
 
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
594
606
                            byte_arrays=True))
 
595
607
        (self.mandos_serv
 
596
 
         .connect_to_signal("ClientAdded",
 
 
608
         .connect_to_signal("InterfacesAdded",
 
597
609
                            self.add_new_client,
 
598
 
                            dbus_interface=server_interface,
 
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
599
611
                            byte_arrays=True))
 
600
612
        (self.mandos_serv
 
601
613
         .connect_to_signal("ClientNotFound",
 
602
614
                            self.client_not_found,
 
603
615
                            dbus_interface=server_interface,
 
604
616
                            byte_arrays=True))
 
605
 
        for path, client in mandos_clients.iteritems():
 
 
617
        for path, client in mandos_clients.items():
 
606
618
            client_proxy_object = self.bus.get_object(self.busname,
 
608
 
            self.add_client(MandosClientWidget(server_proxy_object
 
611
 
                                               =client_proxy_object,
 
 
620
            self.add_client(MandosClientWidget(
 
 
621
                server_proxy_object=self.mandos_serv,
 
 
622
                proxy_object=client_proxy_object,
 
 
624
                update_hook=self.refresh,
 
 
625
                delete_hook=self.remove_client,
 
 
626
                logger=self.log_message),
 
622
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
630
        self._input_callback_tag = (
 
 
632
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
633
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
626
635
        self.main_loop.run()
 
627
636
        # Main loop has finished, we should close everything now
 
628
 
        gobject.source_remove(self._input_callback_tag)
 
 
637
        GLib.source_remove(self._input_callback_tag)
 
 
638
        with warnings.catch_warnings():
 
 
639
            warnings.simplefilter("ignore", BytesWarning)
 
632
643
        self.main_loop.quit()
 
634
645
    def process_input(self, source, condition):
 
635
646
        keys = self.screen.get_input()
 
636
 
        translations = { "ctrl n": "down",      # Emacs
 
637
 
                         "ctrl p": "up",        # Emacs
 
638
 
                         "ctrl v": "page down", # Emacs
 
639
 
                         "meta v": "page up",   # Emacs
 
640
 
                         " ": "page down",      # less
 
641
 
                         "f": "page down",      # less
 
642
 
                         "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
 
648
659
                key = translations[key]
 
649
660
            except KeyError:    # :-)
 
652
663
            if key == "q" or key == "Q":
 
655
666
            elif key == "window resize":
 
656
667
                self.size = self.screen.get_cols_rows()
 
658
 
            elif key == "\f":  # Ctrl-L
 
 
669
            elif key == "ctrl l":
 
660
672
            elif key == "l" or key == "D":
 
661
673
                self.toggle_log_display()
 
 
693
707
                    self.topwidget.set_focus(self.logbox)
 
695
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
697
 
            #    pass            # xxx end-of-buffer
 
698
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
700
 
            #    pass            # xxx beginning-of-buffer
 
701
 
            #elif key == "ctrl e" or key == "$":
 
702
 
            #    pass            # xxx move-end-of-line
 
703
 
            #elif key == "ctrl a" or key == "^":
 
704
 
            #    pass            # xxx move-beginning-of-line
 
705
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
707
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
710
 
            #    pass            # scroll up log
 
712
 
            #    pass            # scroll down log
 
 
710
                if self.log_level == 0:
 
 
712
                    self.log_message("Verbose mode: Off")
 
 
715
                    self.log_message("Verbose mode: On")
 
 
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
 
713
734
            elif self.topwidget.selectable():
 
714
735
                self.topwidget.keypress(self.size, key)
 
718
740
ui = UserInterface()
 
721
743
except KeyboardInterrupt:
 
724
 
    ui.log_message(unicode(e))
 
 
745
except Exception as e:
 
 
746
    ui.log_message(str(e))