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- Committer: Teddy Hogeborn
- Date: 2017-02-21 22:15:43 UTC
- mto: (237.7.594 trunk)
- mto: This revision was merged to the branch mainline in revision 358.
- Revision ID: teddy@recompile.se-20170221221543-kkh15uag0luiyz4y
Remove useless code (and use "read -r") in initramfs-tools-hook
* initramfs-tools-hook: When reading module names from network hooks
given the "modules" argument, use "read -r" and ignore ${target}
variable (left over from code above it).
* initramfs-tools-hook: When reading module names from network hooks
given the "modules" argument, use "read -r" and ignore ${target}
variable (left over from code above it).
added
removed
mandos-monitor
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#!/usr/bin/python
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# -*- mode: python; coding: utf-8 -*-
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#
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#
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# Mandos Monitor - Control and monitor the Mandos server
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#
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#
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# Copyright © 2009-2016 Teddy Hogeborn
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# Copyright © 2009-2016 Björn Påhlsson
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#
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#
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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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# the Free Software Foundation, either version 3 of the License, or
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# but 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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#
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#
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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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#
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#
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# Contact the authors at <mandos@recompile.se>.
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#
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#
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from __future__ import (division, absolute_import, print_function,
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unicode_literals)
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import urwid
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from dbus.mainloop.glib import DBusGMainLoop
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try:
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import gobject
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except ImportError:
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from gi.repository import GObject as gobject
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from gi.repository import GLib
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import dbus
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import locale
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import logging
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if sys.version_info.major == 2:
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str = unicode
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locale.setlocale(locale.LC_ALL, '')
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import logging
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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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version = "1.7.3"
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version = "1.7.14"
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try:
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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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if not iso:
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int(day),
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int(hour),
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int(minute),
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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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changed.
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"""
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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("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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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_interface
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= dbus.PROPERTIES_IFACE))
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self.properties.update(self.proxy.GetAll(
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client_interface,
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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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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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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, logger=None, **kwargs):
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# Called on update
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self.server_proxy_object = server_proxy_object
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# Logger
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self.logger = logger
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self._update_timer_callback_tag = None
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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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super(MandosClientWidget, self).__init__(**kwargs)
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self.update()
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self.opened = False
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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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byte_arrays=True))
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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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"""
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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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(1000,
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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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.format(self.properties["Name"], command,
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os.WTERMSIG(condition)))
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self.update()
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def checker_started(self, command):
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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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command), level=0)
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def got_secret(self):
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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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if not default:
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message = 'Client {} needs approval within {} 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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timeout/1000))
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def rejected(self, reason):
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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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return True
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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":
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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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}
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with_standout = {"normal": "standout",
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"bold": "bold-standout",
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"underline-blink":
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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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}
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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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= self.properties
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["ApprovalDelay"])
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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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message = "enabled"
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self.using_timer(False)
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self._text = "{}{}".format(base, message)
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if not urwid.supports_unicode():
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self._text = self._text.encode("ascii", "replace")
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textlist = [("normal", self._text)]
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# Run update hook, if any
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if self.update_hook is not None:
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self.update_hook()
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def update_timer(self):
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"""called by gobject. Will indefinitely loop until
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gobject.source_remove() on tag is called"""
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"""called by GLib. Will indefinitely loop until
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GLib.source_remove() on tag is called
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"""
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self.update()
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return True # Keep calling this
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def delete(self, **kwargs):
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if self._update_timer_callback_tag is not 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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for match in self.match_objects:
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match.remove()
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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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focus=focus)
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def keypress(self, maxcolrow, key):
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"""Handle keys.
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This overrides the method from urwid.FlowWidget"""
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if key == "+":
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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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dbus.Boolean(True), ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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elif key == "-":
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self.proxy.Set(client_interface, "Enabled", False,
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ignore_reply = True,
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dbus_interface = dbus.PROPERTIES_IFACE)
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ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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elif key == "a":
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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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elif key == "d":
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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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elif key == "s":
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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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dbus.Boolean(True), ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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elif key == "S":
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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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dbus.Boolean(False), ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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elif key == "C":
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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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# xxx
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# elif key == "p" or key == "=":
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# self.open()
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else:
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return key
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def properties_changed(self, interface, properties, invalidated):
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"""Call self.update() if any properties changed.
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This overrides the method from MandosClientPropertyCache"""
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old_values = { key: self.properties.get(key)
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for key in properties.keys() }
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old_values = {key: self.properties.get(key)
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for key in properties.keys()}
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super(MandosClientWidget, self).properties_changed(
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interface, properties, invalidated)
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if any(old_values[key] != self.properties.get(key)
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use them as an excuse to shift focus away from this widget.
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"""
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def keypress(self, *args, **kwargs):
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ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
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ret = (super(ConstrainedListBox, self)
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.keypress(*args, **kwargs))
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if ret in ("up", "down"):
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return
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return ret
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"""
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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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("normal",
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"default", "default", None),
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("standout",
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"standout", "default", "standout"),
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("bold-underline-blink",
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"bold,underline,blink", "default", "bold,underline,blink"),
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"bold,underline,blink", "default",
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"bold,underline,blink"),
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("bold-standout",
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"bold,standout", "default", "bold,standout"),
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("underline-blink-standout",
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"bold,underline,blink,standout", "default",
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"bold,underline,blink,standout"),
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))
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if urwid.supports_unicode():
433
self.divider = "─" # \u2500
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#self.divider = "━" # \u2501
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self.divider = "─" # \u2500
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else:
436
#self.divider = "-" # \u002d
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self.divider = "_" # \u005f
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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
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self.log = []
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self.max_log_length = max_log_length
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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
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self.log_wrap = "any"
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self.rebuild()
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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"))
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self.busname = domain + '.Mandos'
468
self.main_loop = gobject.MainLoop()
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self.main_loop = GLib.MainLoop()
468
470
469
def client_not_found(self, fingerprint, address):
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self.log_message("Client with address {} and fingerprint {}"
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" could not be found"
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.format(address, fingerprint))
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473
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def rebuild(self):
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"""This rebuilds the User Interface.
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Call this when the widget layout needs to change"""
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self.uilist = []
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#self.uilist.append(urwid.ListBox(self.clients))
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# self.uilist.append(urwid.ListBox(self.clients))
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self.uilist.append(urwid.Frame(ConstrainedListBox(self.
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clients),
482
#header=urwid.Divider(),
481
# header=urwid.Divider(),
483
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header=None,
484
footer=
485
urwid.Divider(div_char=
486
self.divider)))
483
footer=urwid.Divider(
484
div_char=self.divider)))
487
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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)
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488
491
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def log_message(self, message, level=1):
492
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"""Log message formatted with timestamp"""
493
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if level < self.log_level:
495
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timestamp = datetime.datetime.now().isoformat()
496
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self.log_message_raw("{}: {}".format(timestamp, message),
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level=level)
498
496
499
497
def log_message_raw(self, markup, level=1):
500
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"""Add a log message to the log buffer."""
501
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if level < self.log_level:
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return
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self.log.append(urwid.Text(markup, wrap=self.log_wrap))
504
if (self.max_log_length
505
and len(self.log) > self.max_log_length):
506
del self.log[0:len(self.log)-self.max_log_length-1]
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]
507
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self.logbox.set_focus(len(self.logbox.body.contents),
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coming_from="above")
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self.refresh()
510
508
511
509
def toggle_log_display(self):
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"""Toggle visibility of the log buffer."""
513
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self.log_visible = not self.log_visible
514
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self.rebuild()
515
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self.log_message("Log visibility changed to: {}"
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.format(self.log_visible), level=0)
517
515
518
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def change_log_display(self):
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"""Change type of log display.
520
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Currently, this toggles wrapping of text lines."""
526
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textwidget.set_wrap_mode(self.log_wrap)
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self.log_message("Wrap mode: {}".format(self.log_wrap),
528
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level=0)
529
527
530
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def find_and_remove_client(self, path, interfaces):
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"""Find a client by its object path and remove it.
532
530
533
531
This is connected to the InterfacesRemoved signal from the
534
532
Mandos server object."""
535
533
if client_interface not in interfaces:
543
541
.format(path))
544
542
return
545
543
client.delete()
546
544
547
545
def add_new_client(self, path, ifs_and_props):
548
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"""Find a client by its object path and remove it.
549
547
550
548
This is connected to the InterfacesAdded signal from the
551
549
Mandos server object.
552
550
"""
554
552
# Not a Mandos client object; ignore
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return
556
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client_proxy_object = self.bus.get_object(self.busname, path)
557
self.add_client(MandosClientWidget(server_proxy_object
558
=self.mandos_serv,
559
proxy_object
560
=client_proxy_object,
561
update_hook
562
=self.refresh,
563
delete_hook
564
=self.remove_client,
565
logger
566
=self.log_message,
567
properties
568
= dict(ifs_and_props[
569
client_interface])),
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])),
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562
path=path)
571
563
572
564
def add_client(self, client, path=None):
573
565
self.clients.append(client)
574
566
if path is None:
576
568
self.clients_dict[path] = client
577
569
self.clients.sort(key=lambda c: c.properties["Name"])
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570
self.refresh()
579
571
580
572
def remove_client(self, client, path=None):
581
573
self.clients.remove(client)
582
574
if path is None:
583
575
path = client.proxy.object_path
584
576
del self.clients_dict[path]
585
577
self.refresh()
586
578
587
579
def refresh(self):
588
580
"""Redraw the screen"""
589
581
canvas = self.topwidget.render(self.size, focus=True)
590
582
self.screen.draw_screen(self.size, canvas)
591
583
592
584
def run(self):
593
585
"""Start the main loop and exit when it's done."""
594
586
self.bus = dbus.SystemBus()
595
587
mandos_dbus_objc = self.bus.get_object(
596
588
self.busname, "/", follow_name_owner_changes=True)
597
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
598
dbus_interface
599
= server_interface)
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
600
591
try:
601
592
mandos_clients = (self.mandos_serv
602
593
.GetAllClientsWithProperties())
603
594
if not mandos_clients:
604
self.log_message_raw(("bold", "Note: Server has no clients."))
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
605
597
except dbus.exceptions.DBusException:
606
self.log_message_raw(("bold", "Note: No Mandos server running."))
598
self.log_message_raw(("bold",
599
"Note: No Mandos server running."))
607
600
mandos_clients = dbus.Dictionary()
608
601
609
602
(self.mandos_serv
610
603
.connect_to_signal("InterfacesRemoved",
611
604
self.find_and_remove_client,
612
dbus_interface
613
= dbus.OBJECT_MANAGER_IFACE,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
614
606
byte_arrays=True))
615
607
(self.mandos_serv
616
608
.connect_to_signal("InterfacesAdded",
617
609
self.add_new_client,
618
dbus_interface
619
= dbus.OBJECT_MANAGER_IFACE,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
620
611
byte_arrays=True))
621
612
(self.mandos_serv
622
613
.connect_to_signal("ClientNotFound",
626
617
for path, client in mandos_clients.items():
627
618
client_proxy_object = self.bus.get_object(self.busname,
628
619
path)
629
self.add_client(MandosClientWidget(server_proxy_object
630
=self.mandos_serv,
631
proxy_object
632
=client_proxy_object,
633
properties=client,
634
update_hook
635
=self.refresh,
636
delete_hook
637
=self.remove_client,
638
logger
639
=self.log_message),
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
623
properties=client,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client,
626
logger=self.log_message),
640
627
path=path)
641
628
642
629
self.refresh()
643
self._input_callback_tag = (gobject.io_add_watch
630
self._input_callback_tag = (GLib.io_add_watch
644
631
(sys.stdin.fileno(),
645
gobject.IO_IN,
632
GLib.IO_IN,
646
633
self.process_input))
647
634
self.main_loop.run()
648
635
# Main loop has finished, we should close everything now
649
gobject.source_remove(self._input_callback_tag)
636
GLib.source_remove(self._input_callback_tag)
650
637
self.screen.stop()
651
638
652
639
def stop(self):
653
640
self.main_loop.quit()
654
641
655
642
def process_input(self, source, condition):
656
643
keys = self.screen.get_input()
657
translations = { "ctrl n": "down", # Emacs
658
"ctrl p": "up", # Emacs
659
"ctrl v": "page down", # Emacs
660
"meta v": "page up", # Emacs
661
" ": "page down", # less
662
"f": "page down", # less
663
"b": "page up", # less
664
"j": "down", # vi
665
"k": "up", # vi
666
}
644
translations = {"ctrl n": "down", # Emacs
645
"ctrl p": "up", # Emacs
646
"ctrl v": "page down", # Emacs
647
"meta v": "page up", # Emacs
648
" ": "page down", # less
649
"f": "page down", # less
650
"b": "page up", # less
651
"j": "down", # vi
652
"k": "up", # vi
653
}
667
654
for key in keys:
668
655
try:
669
656
key = translations[key]
670
657
except KeyError: # :-)
671
658
pass
672
659
673
660
if key == "q" or key == "Q":
674
661
self.stop()
675
662
break
723
710
else:
724
711
self.log_level = 0
725
712
self.log_message("Verbose mode: On")
726
#elif (key == "end" or key == "meta >" or key == "G"
727
# or key == ">"):
728
# pass # xxx end-of-buffer
729
#elif (key == "home" or key == "meta <" or key == "g"
730
# or key == "<"):
731
# pass # xxx beginning-of-buffer
732
#elif key == "ctrl e" or key == "$":
733
# pass # xxx move-end-of-line
734
#elif key == "ctrl a" or key == "^":
735
# pass # xxx move-beginning-of-line
736
#elif key == "ctrl b" or key == "meta (" or key == "h":
737
# pass # xxx left
738
#elif key == "ctrl f" or key == "meta )" or key == "l":
739
# pass # xxx right
740
#elif key == "a":
741
# pass # scroll up log
742
#elif key == "z":
743
# pass # scroll down log
713
# elif (key == "end" or key == "meta >" or key == "G"
714
# or key == ">"):
715
# pass # xxx end-of-buffer
716
# elif (key == "home" or key == "meta <" or key == "g"
717
# or key == "<"):
718
# pass # xxx beginning-of-buffer
719
# elif key == "ctrl e" or key == "$":
720
# pass # xxx move-end-of-line
721
# elif key == "ctrl a" or key == "^":
722
# pass # xxx move-beginning-of-line
723
# elif key == "ctrl b" or key == "meta (" or key == "h":
724
# pass # xxx left
725
# elif key == "ctrl f" or key == "meta )" or key == "l":
726
# pass # xxx right
727
# elif key == "a":
728
# pass # scroll up log
729
# elif key == "z":
730
# pass # scroll down log
744
731
elif self.topwidget.selectable():
745
732
self.topwidget.keypress(self.size, key)
746
733
self.refresh()
747
734
return True
748
735
736
749
737
ui = UserInterface()
750
738
try:
751
739
ui.run()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0