/mandos/release

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/release
237.7.719 by Teddy Hogeborn
Use Python 3 by default
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#!/usr/bin/python3 -bb
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
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# -*- mode: python; coding: utf-8 -*-
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#
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Update copyright year to "2010" wherever appropriate.
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# Mandos Monitor - Control and monitor the Mandos server
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PEP8 compliance: mandos-monitor
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#
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Update copyright year to 2019
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# Copyright © 2009-2019 Teddy Hogeborn
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# Copyright © 2009-2019 Björn Påhlsson
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#
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Alter copyright notices slightly. Actual license is unchanged!
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# This file is part of Mandos.
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#
11
# 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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13
# the Free Software Foundation, either version 3 of the License, or
14
# (at your option) any later version.
15
#
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#     Mandos is distributed in the hope that it will be useful, but
17
#     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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# You should have received a copy of the GNU General Public License
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22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
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23
#
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Change "fukt.bsnet.se" to "recompile.se" throughout.
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# Contact the authors at <mandos@recompile.se>.
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25
#
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* mandos-monitor: New prototype version of interactive server
26
237.7.36 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Save match tag for
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from __future__ import (division, absolute_import, print_function,
28
                        unicode_literals)
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
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try:
30
    from future_builtins import *
31
except ImportError:
32
    pass
237.7.127 by Teddy Hogeborn
* mandos: Use all new builtins.
33
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
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import sys
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
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import os
237.7.722 by Teddy Hogeborn
Address Python 3 bytes/str warnings
36
import warnings
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
37
import datetime
38
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
39
import urwid.curses_display
40
import urwid
41
42
from dbus.mainloop.glib import DBusGMainLoop
237.7.378 by Teddy Hogeborn
Server: Use python-gi instead of old python-gobject
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from gi.repository import GLib
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
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45
import dbus
46
237.2.174 by Teddy Hogeborn
More consistent terminology: Clients are no longer "invalid" - they
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import locale
48
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import logging
50
237.23.7 by Teddy Hogeborn
Use the .major attribute on sys.version_info instead of using "[0]".
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if sys.version_info.major == 2:
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* mandos: Bug fix: Don't print output from checkers when running in
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    str = unicode
53
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
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log = logging.getLogger(os.path.basename(sys.argv[0]))
55
logging.basicConfig(level="NOTSET", # Show all messages
56
                    format="%(message)s") # Show basic log messages
57
58
logging.captureWarnings(True)   # Show warnings via the logging system
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237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
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locale.setlocale(locale.LC_ALL, '')
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237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
24.1.153 by Björn Påhlsson
early commit to ease todays coding
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237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
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# Some useful constants
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transitional stuff actually working
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domain = 'se.recompile'
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* mandos-monitor: Use unicode string literals. Update __future__
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server_interface = domain + '.Mandos'
67
client_interface = domain + '.Mandos.Client'
393 by Teddy Hogeborn
* Makefile (version): Change to 1.8.9.
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version = "1.8.9"
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237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
70
try:
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    dbus.OBJECT_MANAGER_IFACE
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except AttributeError:
73
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
74
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237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
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def isoformat_to_datetime(iso):
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    "Parse an ISO 8601 date string to a datetime.datetime()"
78
    if not iso:
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        return None
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    d, t = iso.split("T", 1)
81
    year, month, day = d.split("-", 2)
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    hour, minute, second = t.split(":", 2)
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    second, fraction = divmod(float(second), 1)
84
    return datetime.datetime(int(year),
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                             int(month),
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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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class MandosClientPropertyCache(object):
94
    """This wraps a Mandos Client D-Bus proxy object, caches the
95
    properties and calls a hook function when any of them are
96
    changed.
97
    """
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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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* mandos-monitor: Speedup: Use properties from D-Bus
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        self.properties = dict() if properties is None else properties
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* mandos-monitor (MandosClientPropertyCache): Save match tag for
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        self.property_changed_match = (
237.7.280 by Teddy Hogeborn
Emit D-Bus "org.freedesktop.DBus.Properties.PropertiesChanged" signal.
102
            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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237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
107
        if properties is None:
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            self.properties.update(self.proxy.GetAll(
109
                client_interface,
110
                dbus_interface=dbus.PROPERTIES_IFACE))
111
237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
112
        super(MandosClientPropertyCache, self).__init__(**kwargs)
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113
237.7.280 by Teddy Hogeborn
Emit D-Bus "org.freedesktop.DBus.Properties.PropertiesChanged" signal.
114
    def properties_changed(self, interface, properties, invalidated):
115
        """This is called whenever we get a PropertiesChanged signal
116
        It updates the changed properties in the "properties" dict.
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117
        """
118
        # Update properties dict with new value
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119
        if interface == client_interface:
120
            self.properties.update(properties)
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237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
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    def delete(self):
237.7.36 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Save match tag for
123
        self.property_changed_match.remove()
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* mandos-monitor: New prototype version of interactive server
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125
126
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
127
    """A Mandos Client which is visible on the screen.
128
    """
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* mandos-monitor: New prototype version of interactive server
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    def __init__(self, server_proxy_object=None, update_hook=None,
237.7.731 by Teddy Hogeborn
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131
                 delete_hook=None, **kwargs):
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* mandos-monitor: New prototype version of interactive server
132
        # Called on update
133
        self.update_hook = update_hook
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        # Called on delete
135
        self.delete_hook = delete_hook
136
        # Mandos Server proxy object
137
        self.server_proxy_object = server_proxy_object
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138
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
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        self._update_timer_callback_tag = None
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        # The widget shown normally
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142
        self._text_widget = urwid.Text("")
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* mandos-monitor: New prototype version of interactive server
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        # The widget shown when we have focus
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
144
        self._focus_text_widget = urwid.Text("")
237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
145
        super(MandosClientWidget, self).__init__(**kwargs)
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* mandos-monitor: New prototype version of interactive server
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        self.update()
147
        self.opened = False
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PEP8 compliance: mandos-monitor
148
237.7.36 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Save match tag for
149
        self.match_objects = (
150
            self.proxy.connect_to_signal("CheckerCompleted",
151
                                         self.checker_completed,
152
                                         client_interface,
153
                                         byte_arrays=True),
154
            self.proxy.connect_to_signal("CheckerStarted",
155
                                         self.checker_started,
156
                                         client_interface,
157
                                         byte_arrays=True),
158
            self.proxy.connect_to_signal("GotSecret",
159
                                         self.got_secret,
160
                                         client_interface,
161
                                         byte_arrays=True),
162
            self.proxy.connect_to_signal("NeedApproval",
163
                                         self.need_approval,
164
                                         client_interface,
165
                                         byte_arrays=True),
166
            self.proxy.connect_to_signal("Rejected",
167
                                         self.rejected,
168
                                         client_interface,
169
                                         byte_arrays=True))
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mandos-monitor: Use Python's standard loggging module
170
        log.debug('Created client %s', self.properties["Name"])
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PEP8 compliance: mandos-monitor
171
237.2.205 by Teddy Hogeborn
* DBUS-API: Document new "LastApprovalRequest" client property.
172
    def using_timer(self, flag):
173
        """Call this method with True or False when timer should be
174
        activated or deactivated.
175
        """
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
176
        if flag and self._update_timer_callback_tag is None:
24.1.179 by Björn Påhlsson
New feature:
177
            # Will update the shown timer value every second
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
178
            self._update_timer_callback_tag = (
179
                GLib.timeout_add(1000,
180
                                 glib_safely(self.update_timer)))
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
181
        elif not (flag or self._update_timer_callback_tag is None):
237.7.378 by Teddy Hogeborn
Server: Use python-gi instead of old python-gobject
182
            GLib.source_remove(self._update_timer_callback_tag)
237.2.205 by Teddy Hogeborn
* DBUS-API: Document new "LastApprovalRequest" client property.
183
            self._update_timer_callback_tag = None
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
184
237.7.331 by Teddy Hogeborn
Revert change to D-Bus API.
185
    def checker_completed(self, exitstatus, condition, command):
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
186
        if exitstatus == 0:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
187
            log.debug('Checker for client %s (command "%s")'
188
                      ' succeeded', self.properties["Name"], command)
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
189
            self.update()
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
190
            return
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
191
        # Checker failed
237.7.331 by Teddy Hogeborn
Revert change to D-Bus API.
192
        if os.WIFEXITED(condition):
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
193
            log.info('Checker for client %s (command "%s") failed'
194
                     ' with exit code %d', self.properties["Name"],
195
                     command, os.WEXITSTATUS(condition))
237.7.331 by Teddy Hogeborn
Revert change to D-Bus API.
196
        elif os.WIFSIGNALED(condition):
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
197
            log.info('Checker for client %s (command "%s") was'
198
                     ' killed by signal %d', self.properties["Name"],
199
                     command, os.WTERMSIG(condition))
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
200
        self.update()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
201
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
202
    def checker_started(self, command):
237.7.261 by Teddy Hogeborn
mandos-monitor: New "verbose" mode to see less important log messages.
203
        """Server signals that a checker started."""
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
204
        log.debug('Client %s started checker "%s"',
205
                  self.properties["Name"], command)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
206
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
207
    def got_secret(self):
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
208
        log.info("Client %s received its secret",
209
                 self.properties["Name"])
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
210
24.1.153 by Björn Påhlsson
early commit to ease todays coding
211
    def need_approval(self, timeout, default):
212
        if not default:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
213
            message = "Client %s needs approval within %f seconds"
24.1.153 by Björn Påhlsson
early commit to ease todays coding
214
        else:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
215
            message = "Client %s will get its secret in %f seconds"
216
        log.info(message, self.properties["Name"], timeout/1000)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
217
24.1.153 by Björn Påhlsson
early commit to ease todays coding
218
    def rejected(self, reason):
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
219
        log.info("Client %s was rejected; reason: %s",
220
                 self.properties["Name"], reason)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
221
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
222
    def selectable(self):
223
        """Make this a "selectable" widget.
224
        This overrides the method from urwid.FlowWidget."""
225
        return True
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
226
237.8.1 by teddy at bsnet
* mandos-monitor: Use only unicode string literals.
227
    def rows(self, maxcolrow, focus=False):
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
228
        """How many rows this widget will occupy might depend on
229
        whether we have focus or not.
230
        This overrides the method from urwid.FlowWidget"""
237.8.1 by teddy at bsnet
* mandos-monitor: Use only unicode string literals.
231
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
232
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
233
    def current_widget(self, focus=False):
234
        if focus or self.opened:
235
            return self._focus_widget
236
        return self._widget
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
237
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
238
    def update(self):
239
        "Called when what is visible on the screen should be updated."
240
        # How to add standout mode to a style
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
241
        with_standout = {"normal": "standout",
242
                         "bold": "bold-standout",
243
                         "underline-blink":
244
                         "underline-blink-standout",
245
                         "bold-underline-blink":
246
                         "bold-underline-blink-standout",
247
                         }
248
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
249
        # Rebuild focus and non-focus widgets using current properties
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
250
24.1.154 by Björn Påhlsson
merge
251
        # Base part of a client. Name!
237.7.115 by Teddy Hogeborn
* mandos-monitor: Use new string format method.
252
        base = '{name}: '.format(name=self.properties["Name"])
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
253
        if not self.properties["Enabled"]:
254
            message = "DISABLED"
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
255
            self.using_timer(False)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
256
        elif self.properties["ApprovalPending"]:
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
257
            timeout = datetime.timedelta(
258
                milliseconds=self.properties["ApprovalDelay"])
237.2.205 by Teddy Hogeborn
* DBUS-API: Document new "LastApprovalRequest" client property.
259
            last_approval_request = isoformat_to_datetime(
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
260
                self.properties["LastApprovalRequest"])
237.2.205 by Teddy Hogeborn
* DBUS-API: Document new "LastApprovalRequest" client property.
261
            if last_approval_request is not None:
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
262
                timer = max(timeout - (datetime.datetime.utcnow()
263
                                       - last_approval_request),
264
                            datetime.timedelta())
237.2.205 by Teddy Hogeborn
* DBUS-API: Document new "LastApprovalRequest" client property.
265
            else:
266
                timer = datetime.timedelta()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
267
            if self.properties["ApprovedByDefault"]:
237.23.5 by Teddy Hogeborn
Use the new auto-numbered "{}" syntax for the .format() string method.
268
                message = "Approval in {}. (d)eny?"
24.1.159 by Björn Påhlsson
added approval to mandos-ctl
269
            else:
237.23.5 by Teddy Hogeborn
Use the new auto-numbered "{}" syntax for the .format() string method.
270
                message = "Denial in {}. (a)pprove?"
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
271
            message = message.format(str(timer).rsplit(".", 1)[0])
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
272
            self.using_timer(True)
237.7.105 by Teddy Hogeborn
Use the new Client.LastCheckerStatus property.
273
        elif self.properties["LastCheckerStatus"] != 0:
237.7.120 by Teddy Hogeborn
* mandos-ctl: Break long lines.
274
            # When checker has failed, show timer until client expires
24.1.179 by Björn Påhlsson
New feature:
275
            expires = self.properties["Expires"]
276
            if expires == "":
277
                timer = datetime.timedelta(0)
278
            else:
237.7.120 by Teddy Hogeborn
* mandos-ctl: Break long lines.
279
                expires = (datetime.datetime.strptime
280
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
281
                timer = max(expires - datetime.datetime.utcnow(),
282
                            datetime.timedelta())
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
283
            message = ('A checker has failed! Time until client'
237.23.5 by Teddy Hogeborn
Use the new auto-numbered "{}" syntax for the .format() string method.
284
                       ' gets disabled: {}'
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
285
                       .format(str(timer).rsplit(".", 1)[0]))
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
286
            self.using_timer(True)
24.1.154 by Björn Påhlsson
merge
287
        else:
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
288
            message = "enabled"
237.7.129 by Teddy Hogeborn
* mandos (Client.enable, Client.disable, ClientDBus.approve): Call
289
            self.using_timer(False)
237.23.5 by Teddy Hogeborn
Use the new auto-numbered "{}" syntax for the .format() string method.
290
        self._text = "{}{}".format(base, message)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
291
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
292
        if not urwid.supports_unicode():
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
293
            self._text = self._text.encode("ascii", "replace")
294
        textlist = [("normal", self._text)]
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
295
        self._text_widget.set_text(textlist)
296
        self._focus_text_widget.set_text([(with_standout[text[0]],
297
                                           text[1])
298
                                          if isinstance(text, tuple)
299
                                          else text
300
                                          for text in textlist])
301
        self._widget = self._text_widget
302
        self._focus_widget = urwid.AttrWrap(self._focus_text_widget,
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
303
                                            "standout")
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
304
        # Run update hook, if any
305
        if self.update_hook is not None:
306
            self.update_hook()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
307
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
308
    def update_timer(self):
237.7.378 by Teddy Hogeborn
Server: Use python-gi instead of old python-gobject
309
        """called by GLib. Will indefinitely loop until
310
        GLib.source_remove() on tag is called
311
        """
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
312
        self.update()
313
        return True             # Keep calling this
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
314
237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
315
    def delete(self, **kwargs):
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
316
        if self._update_timer_callback_tag is not None:
237.7.378 by Teddy Hogeborn
Server: Use python-gi instead of old python-gobject
317
            GLib.source_remove(self._update_timer_callback_tag)
237.2.180 by Teddy Hogeborn
* mandos (AvahiService.entry_group_state_changed): Better debug log
318
            self._update_timer_callback_tag = None
237.7.36 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Save match tag for
319
        for match in self.match_objects:
320
            match.remove()
321
        self.match_objects = ()
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
322
        if self.delete_hook is not None:
323
            self.delete_hook(self)
237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
324
        return super(MandosClientWidget, self).delete(**kwargs)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
325
237.8.1 by teddy at bsnet
* mandos-monitor: Use only unicode string literals.
326
    def render(self, maxcolrow, focus=False):
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
327
        """Render differently if we have focus.
328
        This overrides the method from urwid.FlowWidget"""
237.8.1 by teddy at bsnet
* mandos-monitor: Use only unicode string literals.
329
        return self.current_widget(focus).render(maxcolrow,
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
330
                                                 focus=focus)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
331
237.8.1 by teddy at bsnet
* mandos-monitor: Use only unicode string literals.
332
    def keypress(self, maxcolrow, key):
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
333
        """Handle keys.
334
        This overrides the method from urwid.FlowWidget"""
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
335
        if key == "+":
237.7.329 by Teddy Hogeborn
Deprecate some D-Bus methods in favor of D-Bus properties.
336
            self.proxy.Set(client_interface, "Enabled",
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
337
                           dbus.Boolean(True), ignore_reply=True,
338
                           dbus_interface=dbus.PROPERTIES_IFACE)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
339
        elif key == "-":
237.7.329 by Teddy Hogeborn
Deprecate some D-Bus methods in favor of D-Bus properties.
340
            self.proxy.Set(client_interface, "Enabled", False,
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
341
                           ignore_reply=True,
342
                           dbus_interface=dbus.PROPERTIES_IFACE)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
343
        elif key == "a":
24.1.154 by Björn Påhlsson
merge
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
345
                               dbus_interface=client_interface,
237.7.30 by Teddy Hogeborn
* mandos: Tolerate restarting Avahi servers. Also Changed to new
346
                               ignore_reply=True)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
347
        elif key == "d":
24.1.154 by Björn Påhlsson
merge
348
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
349
                               dbus_interface=client_interface,
237.7.30 by Teddy Hogeborn
* mandos: Tolerate restarting Avahi servers. Also Changed to new
350
                               ignore_reply=True)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
351
        elif key == "R" or key == "_" or key == "ctrl k":
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
352
            self.server_proxy_object.RemoveClient(self.proxy
237.7.30 by Teddy Hogeborn
* mandos: Tolerate restarting Avahi servers. Also Changed to new
353
                                                  .object_path,
354
                                                  ignore_reply=True)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
355
        elif key == "s":
237.7.329 by Teddy Hogeborn
Deprecate some D-Bus methods in favor of D-Bus properties.
356
            self.proxy.Set(client_interface, "CheckerRunning",
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
357
                           dbus.Boolean(True), ignore_reply=True,
358
                           dbus_interface=dbus.PROPERTIES_IFACE)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
359
        elif key == "S":
237.7.329 by Teddy Hogeborn
Deprecate some D-Bus methods in favor of D-Bus properties.
360
            self.proxy.Set(client_interface, "CheckerRunning",
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
361
                           dbus.Boolean(False), ignore_reply=True,
362
                           dbus_interface=dbus.PROPERTIES_IFACE)
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
363
        elif key == "C":
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
364
            self.proxy.CheckedOK(dbus_interface=client_interface,
237.7.30 by Teddy Hogeborn
* mandos: Tolerate restarting Avahi servers. Also Changed to new
365
                                 ignore_reply=True)
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
366
        # xxx
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
367
#         elif key == "p" or key == "=":
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
368
#             self.proxy.pause()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
369
#         elif key == "u" or key == ":":
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
370
#             self.proxy.unpause()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
371
#         elif key == "RET":
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
372
#             self.open()
373
        else:
374
            return key
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
375
237.7.280 by Teddy Hogeborn
Emit D-Bus "org.freedesktop.DBus.Properties.PropertiesChanged" signal.
376
    def properties_changed(self, interface, properties, invalidated):
377
        """Call self.update() if any properties changed.
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
378
        This overrides the method from MandosClientPropertyCache"""
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
379
        old_values = {key: self.properties.get(key)
380
                      for key in properties.keys()}
237.7.280 by Teddy Hogeborn
Emit D-Bus "org.freedesktop.DBus.Properties.PropertiesChanged" signal.
381
        super(MandosClientWidget, self).properties_changed(
382
            interface, properties, invalidated)
383
        if any(old_values[key] != self.properties.get(key)
384
               for key in old_values):
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
385
            self.update()
386
387
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
388
def glib_safely(func, retval=True):
389
    def safe_func(*args, **kwargs):
390
        try:
391
            return func(*args, **kwargs)
392
        except Exception:
393
            log.exception("")
394
            return retval
395
    return safe_func
396
397
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
398
class ConstrainedListBox(urwid.ListBox):
399
    """Like a normal urwid.ListBox, but will consume all "up" or
400
    "down" key presses, thus not allowing any containing widgets to
401
    use them as an excuse to shift focus away from this widget.
402
    """
237.7.128 by Teddy Hogeborn
* mandos-monitor: Speedup: Use properties from D-Bus
403
    def keypress(self, *args, **kwargs):
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
404
        ret = (super(ConstrainedListBox, self)
405
               .keypress(*args, **kwargs))
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
406
        if ret in ("up", "down"):
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
407
            return
408
        return ret
409
410
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
411
class UserInterface(object):
412
    """This is the entire user interface - the whole screen
413
    with boxes, lists of client widgets, etc.
414
    """
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
415
    def __init__(self, max_log_length=1000):
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
416
        DBusGMainLoop(set_as_default=True)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
417
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
418
        self.screen = urwid.curses_display.Screen()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
419
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
420
        self.screen.register_palette((
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
421
                ("normal",
422
                 "default", "default", None),
423
                ("bold",
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
424
                 "bold", "default", "bold"),
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
425
                ("underline-blink",
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
426
                 "underline,blink", "default", "underline,blink"),
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
427
                ("standout",
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
428
                 "standout", "default", "standout"),
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
429
                ("bold-underline-blink",
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
430
                 "bold,underline,blink", "default",
431
                 "bold,underline,blink"),
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
432
                ("bold-standout",
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
433
                 "bold,standout", "default", "bold,standout"),
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
434
                ("underline-blink-standout",
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
435
                 "underline,blink,standout", "default",
436
                 "underline,blink,standout"),
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
437
                ("bold-underline-blink-standout",
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
438
                 "bold,underline,blink,standout", "default",
439
                 "bold,underline,blink,standout"),
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
440
                ))
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
441
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
442
        if urwid.supports_unicode():
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
443
            self.divider = "─"  # \u2500
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
444
        else:
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
445
            self.divider = "_"  # \u005f
446
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
447
        self.screen.start()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
448
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
449
        self.size = self.screen.get_cols_rows()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
450
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
451
        self.clients = urwid.SimpleListWalker([])
452
        self.clients_dict = {}
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
453
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
454
        # We will add Text widgets to this list
237.7.516 by Teddy Hogeborn
Do minor fix to make mandos-monitor work with new python-urwid
455
        self.log = urwid.SimpleListWalker([])
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
456
        self.max_log_length = max_log_length
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
457
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
458
        # We keep a reference to the log widget so we can remove it
459
        # from the ListWalker without it getting destroyed
460
        self.logbox = ConstrainedListBox(self.log)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
461
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
462
        # This keeps track of whether self.uilist currently has
463
        # self.logbox in it or not
464
        self.log_visible = True
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
465
        self.log_wrap = "any"
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
466
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
467
        self.loghandler = UILogHandler(self)
468
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
469
        self.rebuild()
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
470
        self.add_log_line(("bold",
471
                           "Mandos Monitor version " + version))
472
        self.add_log_line(("bold", "q: Quit  ?: Help"))
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
473
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
474
        self.busname = domain + '.Mandos'
237.7.378 by Teddy Hogeborn
Server: Use python-gi instead of old python-gobject
475
        self.main_loop = GLib.MainLoop()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
476
237.7.723 by Teddy Hogeborn
mandos-monitor: Update message from "fingerprint" to "key ID"
477
    def client_not_found(self, key_id, address):
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
478
        log.info("Client with address %s and key ID %s could"
479
                 " not be found", address, key_id)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
480
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
481
    def rebuild(self):
482
        """This rebuilds the User Interface.
483
        Call this when the widget layout needs to change"""
484
        self.uilist = []
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
485
        # self.uilist.append(urwid.ListBox(self.clients))
237.2.185 by Teddy Hogeborn
Rename all D-Bus properties to conform to D-Bus naming conventions;
486
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
487
                                                          clients),
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
488
                                       # header=urwid.Divider(),
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
489
                                       header=None,
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
490
                                       footer=urwid.Divider(
491
                                           div_char=self.divider)))
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
492
        if self.log_visible:
493
            self.uilist.append(self.logbox)
494
        self.topwidget = urwid.Pile(self.uilist)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
495
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
496
    def add_log_line(self, markup):
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
497
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
498
        if self.max_log_length:
499
            if len(self.log) > self.max_log_length:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
500
                del self.log[0:(len(self.log) - self.max_log_length)]
237.7.516 by Teddy Hogeborn
Do minor fix to make mandos-monitor work with new python-urwid
501
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
502
                              coming_from="above")
237.2.172 by Teddy Hogeborn
* mandos (MandosServer.handle_ipc): Better log message.
503
        self.refresh()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
504
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
505
    def toggle_log_display(self):
506
        """Toggle visibility of the log buffer."""
507
        self.log_visible = not self.log_visible
508
        self.rebuild()
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
509
        log.debug("Log visibility changed to: %s", self.log_visible)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
510
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
511
    def change_log_display(self):
512
        """Change type of log display.
513
        Currently, this toggles wrapping of text lines."""
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
514
        if self.log_wrap == "clip":
515
            self.log_wrap = "any"
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
516
        else:
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
517
            self.log_wrap = "clip"
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
518
        for textwidget in self.log:
519
            textwidget.set_wrap_mode(self.log_wrap)
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
520
        log.debug("Wrap mode: %s", self.log_wrap)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
521
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
522
    def find_and_remove_client(self, path, interfaces):
237.7.36 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Save match tag for
523
        """Find a client by its object path and remove it.
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
524
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
525
        This is connected to the InterfacesRemoved signal from the
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
526
        Mandos server object."""
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
527
        if client_interface not in interfaces:
528
            # Not a Mandos client object; ignore
529
            return
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
530
        try:
531
            client = self.clients_dict[path]
532
        except KeyError:
533
            # not found?
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
534
            log.warning("Unknown client %s removed", path)
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
535
            return
237.7.36 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Save match tag for
536
        client.delete()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
537
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
538
    def add_new_client(self, path, ifs_and_props):
539
        """Find a client by its object path and remove it.
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
540
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
541
        This is connected to the InterfacesAdded signal from the
542
        Mandos server object.
543
        """
544
        if client_interface not in ifs_and_props:
545
            # Not a Mandos client object; ignore
546
            return
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
547
        client_proxy_object = self.bus.get_object(self.busname, path)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
548
        self.add_client(MandosClientWidget(
549
            server_proxy_object=self.mandos_serv,
550
            proxy_object=client_proxy_object,
551
            update_hook=self.refresh,
552
            delete_hook=self.remove_client,
553
            properties=dict(ifs_and_props[client_interface])),
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
554
                        path=path)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
555
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
556
    def add_client(self, client, path=None):
557
        self.clients.append(client)
558
        if path is None:
559
            path = client.proxy.object_path
560
        self.clients_dict[path] = client
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
561
        self.clients.sort(key=lambda c: c.properties["Name"])
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
562
        self.refresh()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
563
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
564
    def remove_client(self, client, path=None):
565
        self.clients.remove(client)
566
        if path is None:
567
            path = client.proxy.object_path
568
        del self.clients_dict[path]
569
        self.refresh()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
570
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
571
    def refresh(self):
572
        """Redraw the screen"""
573
        canvas = self.topwidget.render(self.size, focus=True)
574
        self.screen.draw_screen(self.size, canvas)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
575
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
576
    def run(self):
577
        """Start the main loop and exit when it's done."""
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
578
        log.addHandler(self.loghandler)
579
        self.orig_log_propagate = log.propagate
580
        log.propagate = False
581
        self.orig_log_level = log.level
582
        log.setLevel("INFO")
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
583
        self.bus = dbus.SystemBus()
584
        mandos_dbus_objc = self.bus.get_object(
585
            self.busname, "/", follow_name_owner_changes=True)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
586
        self.mandos_serv = dbus.Interface(
587
            mandos_dbus_objc, dbus_interface=server_interface)
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
588
        try:
589
            mandos_clients = (self.mandos_serv
590
                              .GetAllClientsWithProperties())
237.7.160 by Björn Påhlsson
added note messages when mandos-monitor starts without running server,
591
            if not mandos_clients:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
592
                log.warning("Note: Server has no clients.")
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
593
        except dbus.exceptions.DBusException:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
594
            log.warning("Note: No Mandos server running.")
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
595
            mandos_clients = dbus.Dictionary()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
596
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
597
        (self.mandos_serv
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
598
         .connect_to_signal("InterfacesRemoved",
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
599
                            self.find_and_remove_client,
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
600
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
601
                            byte_arrays=True))
602
        (self.mandos_serv
237.7.333 by Teddy Hogeborn
Support the standard org.freedesktop.DBus.ObjectManager interface.
603
         .connect_to_signal("InterfacesAdded",
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
604
                            self.add_new_client,
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
606
                            byte_arrays=True))
607
        (self.mandos_serv
608
         .connect_to_signal("ClientNotFound",
609
                            self.client_not_found,
610
                            dbus_interface=server_interface,
611
                            byte_arrays=True))
237.7.165 by Teddy Hogeborn
* mandos: Bug fix: Don't print output from checkers when running in
612
        for path, client in mandos_clients.items():
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
613
            client_proxy_object = self.bus.get_object(self.busname,
614
                                                      path)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
615
            self.add_client(MandosClientWidget(
616
                server_proxy_object=self.mandos_serv,
617
                proxy_object=client_proxy_object,
618
                properties=client,
619
                update_hook=self.refresh,
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
620
                delete_hook=self.remove_client),
237.7.85 by Björn Påhlsson
nicer stacktrace when mandos-monitor fail during startup
621
                            path=path)
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
622
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
623
        self.refresh()
237.7.717 by Teddy Hogeborn
mandos-monitor: Use new GLib.io_add_watch() call signature
624
        self._input_callback_tag = (
625
            GLib.io_add_watch(
626
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
627
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
628
                glib_safely(self.process_input)))
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
629
        self.main_loop.run()
630
        # Main loop has finished, we should close everything now
237.7.378 by Teddy Hogeborn
Server: Use python-gi instead of old python-gobject
631
        GLib.source_remove(self._input_callback_tag)
237.7.722 by Teddy Hogeborn
Address Python 3 bytes/str warnings
632
        with warnings.catch_warnings():
633
            warnings.simplefilter("ignore", BytesWarning)
634
            self.screen.stop()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
635
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
636
    def stop(self):
637
        self.main_loop.quit()
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
638
        log.removeHandler(self.loghandler)
639
        log.propagate = self.orig_log_propagate
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
640
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
641
    def process_input(self, source, condition):
642
        keys = self.screen.get_input()
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
643
        translations = {"ctrl n": "down",       # Emacs
644
                        "ctrl p": "up",         # Emacs
645
                        "ctrl v": "page down",  # Emacs
646
                        "meta v": "page up",    # Emacs
647
                        " ": "page down",       # less
648
                        "f": "page down",       # less
649
                        "b": "page up",         # less
650
                        "j": "down",            # vi
651
                        "k": "up",              # vi
652
                        }
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
653
        for key in keys:
654
            try:
655
                key = translations[key]
656
            except KeyError:    # :-)
657
                pass
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
658
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
659
            if key == "q" or key == "Q":
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
660
                self.stop()
661
                break
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
662
            elif key == "window resize":
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
663
                self.size = self.screen.get_cols_rows()
664
                self.refresh()
237.7.270 by Teddy Hogeborn
mandos-monitor: Bug fix: Make Ctrl-L actually redraw the screen.
665
            elif key == "ctrl l":
666
                self.screen.clear()
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
667
                self.refresh()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
668
            elif key == "l" or key == "D":
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
669
                self.toggle_log_display()
670
                self.refresh()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
671
            elif key == "w" or key == "i":
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
672
                self.change_log_display()
673
                self.refresh()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
674
            elif key == "?" or key == "f1" or key == "esc":
237.2.170 by Teddy Hogeborn
* mandos-monitor (MandosClientWidget): Change "StopChecker" key to "S"
675
                if not self.log_visible:
676
                    self.log_visible = True
677
                    self.rebuild()
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
678
                self.add_log_line(("bold",
679
                                   "  ".join(("q: Quit",
680
                                              "?: Help",
681
                                              "l: Log window toggle",
682
                                              "TAB: Switch window",
683
                                              "w: Wrap (log lines)",
684
                                              "v: Toggle verbose log",
685
                                   ))))
686
                self.add_log_line(("bold",
687
                                   "  ".join(("Clients:",
688
                                              "+: Enable",
689
                                              "-: Disable",
690
                                              "R: Remove",
691
                                              "s: Start new checker",
692
                                              "S: Stop checker",
693
                                              "C: Checker OK",
694
                                              "a: Approve",
695
                                              "d: Deny",
696
                                   ))))
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
697
                self.refresh()
237.8.2 by teddy at bsnet
* mandos-monitor: Use unicode string literals. Update __future__
698
            elif key == "tab":
237.2.168 by Teddy Hogeborn
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
699
                if self.topwidget.get_focus() is self.logbox:
700
                    self.topwidget.set_focus(0)
701
                else:
702
                    self.topwidget.set_focus(self.logbox)
703
                self.refresh()
237.7.261 by Teddy Hogeborn
mandos-monitor: New "verbose" mode to see less important log messages.
704
            elif key == "v":
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
705
                if log.level < logging.INFO:
706
                    log.setLevel(logging.INFO)
707
                    log.info("Verbose mode: Off")
237.7.261 by Teddy Hogeborn
mandos-monitor: New "verbose" mode to see less important log messages.
708
                else:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
709
                    log.setLevel(logging.NOTSET)
710
                    log.info("Verbose mode: On")
237.7.421 by Teddy Hogeborn
PEP8 compliance: mandos-monitor
711
            # elif (key == "end" or key == "meta >" or key == "G"
712
            #       or key == ">"):
713
            #     pass            # xxx end-of-buffer
714
            # elif (key == "home" or key == "meta <" or key == "g"
715
            #       or key == "<"):
716
            #     pass            # xxx beginning-of-buffer
717
            # elif key == "ctrl e" or key == "$":
718
            #     pass            # xxx move-end-of-line
719
            # elif key == "ctrl a" or key == "^":
720
            #     pass            # xxx move-beginning-of-line
721
            # elif key == "ctrl b" or key == "meta (" or key == "h":
722
            #     pass            # xxx left
723
            # elif key == "ctrl f" or key == "meta )" or key == "l":
724
            #     pass            # xxx right
725
            # elif key == "a":
726
            #     pass            # scroll up log
727
            # elif key == "z":
728
            #     pass            # scroll down log
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
729
            elif self.topwidget.selectable():
730
                self.topwidget.keypress(self.size, key)
731
                self.refresh()
732
        return True
733
237.7.436 by Teddy Hogeborn
Add more PEP8 compliance (as per the "pycodestyle" tool).
734
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
735
class UILogHandler(logging.Handler):
736
    def __init__(self, ui, *args, **kwargs):
737
        self.ui = ui
738
        super(UILogHandler, self).__init__(*args, **kwargs)
739
        self.setFormatter(
740
            logging.Formatter("%(asctime)s: %(message)s"))
741
    def emit(self, record):
742
        msg = self.format(record)
743
        if record.levelno > logging.INFO:
744
            msg = ("bold", msg)
745
        self.ui.add_log_line(msg)
746
747
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
748
ui = UserInterface()
749
try:
750
    ui.run()
24.1.159 by Björn Påhlsson
added approval to mandos-ctl
751
except KeyboardInterrupt:
237.7.731 by Teddy Hogeborn
mandos-monitor: Use Python's standard loggging module
752
    with warnings.catch_warnings():
753
        warnings.filterwarnings("ignore", "", BytesWarning)
754
        ui.screen.stop()
755
except Exception:
756
    with warnings.catch_warnings():
757
        warnings.filterwarnings("ignore", "", BytesWarning)
758
        ui.screen.stop()
237.2.167 by Teddy Hogeborn
* mandos-monitor: New prototype version of interactive server
759
    raise