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- Committer: Teddy Hogeborn
- Date: 2015-07-12 01:57:54 UTC
- Revision ID: teddy@recompile.se-20150712015754-1lq7u2ejo7fdyfvi
* debian/mandos.prerm: Don't run init script, use only invoke-rc.d.
- files added:
- debian/mandos-client.examples
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
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#
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# Mandos Monitor - Control and monitor the Mandos server
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#
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# Copyright © 2009-2011 Teddy Hogeborn
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# Copyright © 2009-2011 Björn Påhlsson
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# Copyright © 2009-2015 Teddy Hogeborn
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# Copyright © 2009-2015 Björn Påhlsson
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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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# 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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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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# Contact the authors at <mandos@recompile.se>.
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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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try:
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from future_builtins import *
30
except ImportError:
31
pass
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import sys
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import os
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import signal
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import datetime
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import urwid
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from dbus.mainloop.glib import DBusGMainLoop
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import gobject
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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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import dbus
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import UserList
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import locale
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if sys.version_info.major == 2:
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str = unicode
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46
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locale.setlocale(locale.LC_ALL, '')
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import logging
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60
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 = "1.4.0"
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
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# Urwid doesn't support blinking, but we want it. Since we have no
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# use for underline on its own, we make underline also always blink.
62
urwid.curses_display.curses.A_UNDERLINE |= (
63
urwid.curses_display.curses.A_BLINK)
63
version = "1.6.9"
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65
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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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properties and calls a hook function when any of them are
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changed.
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"""
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def __init__(self, proxy_object=None, *args, **kwargs):
86
def __init__(self, proxy_object=None, properties=None, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict()
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self.properties = dict() if properties is None else properties
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self.property_changed_match = (
91
self.proxy.connect_to_signal("PropertyChanged",
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self.property_changed,
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client_interface,
90
self.proxy.connect_to_signal("PropertiesChanged",
91
self.properties_changed,
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dbus.PROPERTIES_IFACE,
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byte_arrays=True))
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96
self.properties.update(
97
self.proxy.GetAll(client_interface,
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dbus_interface = dbus.PROPERTIES_IFACE))
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#XXX This breaks good super behaviour
101
# super(MandosClientPropertyCache, self).__init__(
102
# *args, **kwargs)
95
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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super(MandosClientPropertyCache, self).__init__(**kwargs)
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def property_changed(self, property=None, value=None):
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"""This is called whenever we get a PropertyChanged signal
106
It updates the changed property in the "properties" dict.
103
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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106
"""
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# Update properties dict with new value
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self.properties[property] = value
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self.properties.update(properties)
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109
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def delete(self, *args, **kwargs):
110
def delete(self):
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self.property_changed_match.remove()
113
super(MandosClientPropertyCache, self).__init__(
114
*args, **kwargs)
115
112
116
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""
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def __init__(self, server_proxy_object=None, update_hook=None,
122
delete_hook=None, logger=None, *args, **kwargs):
119
delete_hook=None, logger=None, **kwargs):
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# Called on update
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self.update_hook = update_hook
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# Called on delete
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self.logger = logger
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self._update_timer_callback_tag = None
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self._update_timer_callback_lock = 0
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self.last_checker_failed = False
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# The widget shown normally
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self._text_widget = urwid.Text("")
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# The widget shown when we have focus
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self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(
141
update_hook=update_hook, delete_hook=delete_hook,
142
*args, **kwargs)
135
super(MandosClientWidget, self).__init__(**kwargs)
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self.update()
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self.opened = False
145
138
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last_checked_ok = isoformat_to_datetime(self.properties
147
["LastCheckedOK"])
148
if last_checked_ok is None:
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self.last_checker_failed = True
150
else:
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self.last_checker_failed = ((datetime.datetime.utcnow()
152
- last_checked_ok)
153
> datetime.timedelta
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(milliseconds=
155
self.properties
156
["Interval"]))
157
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if self.last_checker_failed:
159
self.using_timer(True)
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if self.need_approval:
162
self.using_timer(True)
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self.match_objects = (
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self.proxy.connect_to_signal("CheckerCompleted",
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141
self.checker_completed,
182
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self.rejected,
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client_interface,
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159
byte_arrays=True))
185
#self.logger('Created client %s' % (self.properties["Name"]))
160
self.logger('Created client {}'
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.format(self.properties["Name"]), level=0)
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def property_changed(self, property=None, value=None):
188
super(self, MandosClientWidget).property_changed(property,
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value)
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if property == "ApprovalPending":
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using_timer(bool(value))
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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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"""
197
old = self._update_timer_callback_lock
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if flag:
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self._update_timer_callback_lock += 1
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else:
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self._update_timer_callback_lock -= 1
202
if old == 0 and self._update_timer_callback_lock:
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if flag and self._update_timer_callback_tag is None:
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# Will update the shown timer value every second
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self._update_timer_callback_tag = (gobject.timeout_add
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170
(1000,
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self.update_timer))
207
elif old and self._update_timer_callback_lock == 0:
172
elif not (flag or self._update_timer_callback_tag is None):
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gobject.source_remove(self._update_timer_callback_tag)
209
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self._update_timer_callback_tag = None
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def checker_completed(self, exitstatus, condition, command):
176
def checker_completed(self, exitstatus, signal, command):
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if exitstatus == 0:
213
if self.last_checker_failed:
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self.last_checker_failed = False
215
self.using_timer(False)
216
#self.logger('Checker for client %s (command "%s")'
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# ' was successful'
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# % (self.properties["Name"], command))
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self.logger('Checker for client {} (command "{}")'
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' succeeded'.format(self.properties["Name"],
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command), level=0)
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self.update()
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return
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# Checker failed
222
if not self.last_checker_failed:
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self.last_checker_failed = True
224
self.using_timer(True)
225
if os.WIFEXITED(condition):
226
self.logger('Checker for client %s (command "%s")'
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' failed with exit code %s'
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% (self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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elif os.WIFSIGNALED(condition):
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self.logger('Checker for client %s (command "%s")'
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' was killed by signal %s'
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% (self.properties["Name"], command,
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os.WTERMSIG(condition)))
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elif os.WCOREDUMP(condition):
236
self.logger('Checker for client %s (command "%s")'
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' dumped core'
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% (self.properties["Name"], command))
184
if exitstatus >= 0:
185
self.logger('Checker for client {} (command "{}") failed'
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' with exit code {}'
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.format(self.properties["Name"], command,
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exitstatus))
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elif signal != 0:
190
self.logger('Checker for client {} (command "{}") was'
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' killed by signal {}'
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.format(self.properties["Name"], command,
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signal))
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194
else:
240
self.logger('Checker for client %s completed'
241
' mysteriously')
195
self.logger('Checker for client {} completed'
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' mysteriously'
197
.format(self.properties["Name"]))
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198
self.update()
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244
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def checker_started(self, command):
245
#self.logger('Client %s started checker "%s"'
246
# % (self.properties["Name"], unicode(command)))
247
pass
201
"""Server signals that a checker started."""
202
self.logger('Client {} started checker "{}"'
203
.format(self.properties["Name"],
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command), level=0)
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205
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def got_secret(self):
250
self.last_checker_failed = False
251
self.logger('Client %s received its secret'
252
% self.properties["Name"])
207
self.logger('Client {} received its secret'
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.format(self.properties["Name"]))
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209
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def need_approval(self, timeout, default):
255
211
if not default:
256
message = 'Client %s needs approval within %s seconds'
212
message = 'Client {} needs approval within {} seconds'
257
213
else:
258
message = 'Client %s will get its secret in %s seconds'
259
self.logger(message
260
% (self.properties["Name"], timeout/1000))
261
self.using_timer(True)
214
message = 'Client {} will get its secret in {} seconds'
215
self.logger(message.format(self.properties["Name"],
216
timeout/1000))
262
217
263
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def rejected(self, reason):
264
self.logger('Client %s was rejected; reason: %s'
265
% (self.properties["Name"], reason))
219
self.logger('Client {} was rejected; reason: {}'
220
.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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"bold-underline-blink":
291
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"bold-underline-blink-standout",
292
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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!
297
base = ('%(name)s: '
298
% {"name": self.properties["Name"]})
252
base = '{name}: '.format(name=self.properties["Name"])
299
253
if not self.properties["Enabled"]:
300
254
message = "DISABLED"
255
self.using_timer(False)
301
256
elif self.properties["ApprovalPending"]:
302
257
timeout = datetime.timedelta(milliseconds
303
258
= self.properties
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260
last_approval_request = isoformat_to_datetime(
306
261
self.properties["LastApprovalRequest"])
307
262
if last_approval_request is not None:
308
timer = timeout - (datetime.datetime.utcnow()
309
- last_approval_request)
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
310
266
else:
311
267
timer = datetime.timedelta()
312
268
if self.properties["ApprovedByDefault"]:
313
message = "Approval in %s. (d)eny?"
269
message = "Approval in {}. (d)eny?"
314
270
else:
315
message = "Denial in %s. (a)pprove?"
316
message = message % unicode(timer).rsplit(".", 1)[0]
317
elif self.last_checker_failed:
318
# When checker has failed, print a timer until client expires
271
message = "Denial in {}. (a)pprove?"
272
message = message.format(str(timer).rsplit(".", 1)[0])
273
self.using_timer(True)
274
elif self.properties["LastCheckerStatus"] != 0:
275
# When checker has failed, show timer until client expires
319
276
expires = self.properties["Expires"]
320
277
if expires == "":
321
278
timer = datetime.timedelta(0)
322
279
else:
323
expires = datetime.datetime.strptime(expires,
324
'%Y-%m-%dT%H:%M:%S.%f')
325
timer = expires - datetime.datetime.utcnow()
280
expires = (datetime.datetime.strptime
281
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
timer = max(expires - datetime.datetime.utcnow(),
283
datetime.timedelta())
326
284
message = ('A checker has failed! Time until client'
327
' gets disabled: %s'
328
% unicode(timer).rsplit(".", 1)[0])
285
' gets disabled: {}'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
329
288
else:
330
289
message = "enabled"
331
self._text = "%s%s" % (base, message)
332
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
292
333
293
if not urwid.supports_unicode():
334
294
self._text = self._text.encode("ascii", "replace")
335
295
textlist = [("normal", self._text)]
352
312
self.update()
353
313
return True # Keep calling this
354
314
355
def delete(self, *args, **kwargs):
315
def delete(self, **kwargs):
356
316
if self._update_timer_callback_tag is not None:
357
317
gobject.source_remove(self._update_timer_callback_tag)
358
318
self._update_timer_callback_tag = None
361
321
self.match_objects = ()
362
322
if self.delete_hook is not None:
363
323
self.delete_hook(self)
364
return super(MandosClientWidget, self).delete(*args, **kwargs)
324
return super(MandosClientWidget, self).delete(**kwargs)
365
325
366
326
def render(self, maxcolrow, focus=False):
367
327
"""Render differently if we have focus.
409
369
else:
410
370
return key
411
371
412
def property_changed(self, property=None, value=None,
413
*args, **kwargs):
414
"""Call self.update() if old value is not new value.
372
def properties_changed(self, interface, properties, invalidated):
373
"""Call self.update() if any properties changed.
415
374
This overrides the method from MandosClientPropertyCache"""
416
property_name = unicode(property)
417
old_value = self.properties.get(property_name)
418
super(MandosClientWidget, self).property_changed(
419
property=property, value=value, *args, **kwargs)
420
if self.properties.get(property_name) != old_value:
375
old_values = { key: self.properties.get(key)
376
for key in properties.keys() }
377
super(MandosClientWidget, self).properties_changed(
378
interface, properties, invalidated)
379
if any(old_values[key] != self.properties.get(key)
380
for key in old_values):
421
381
self.update()
422
382
423
383
426
386
"down" key presses, thus not allowing any containing widgets to
427
387
use them as an excuse to shift focus away from this widget.
428
388
"""
429
def keypress(self, maxcolrow, key):
430
ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
389
def keypress(self, *args, **kwargs):
390
ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
431
391
if ret in ("up", "down"):
432
392
return
433
393
return ret
437
397
"""This is the entire user interface - the whole screen
438
398
with boxes, lists of client widgets, etc.
439
399
"""
440
def __init__(self, max_log_length=1000):
400
def __init__(self, max_log_length=1000, log_level=1):
441
401
DBusGMainLoop(set_as_default=True)
442
402
443
403
self.screen = urwid.curses_display.Screen()
446
406
("normal",
447
407
"default", "default", None),
448
408
("bold",
449
"default", "default", "bold"),
409
"bold", "default", "bold"),
450
410
("underline-blink",
451
"default", "default", "underline"),
411
"underline,blink", "default", "underline,blink"),
452
412
("standout",
453
"default", "default", "standout"),
413
"standout", "default", "standout"),
454
414
("bold-underline-blink",
455
"default", "default", ("bold", "underline")),
415
"bold,underline,blink", "default", "bold,underline,blink"),
456
416
("bold-standout",
457
"default", "default", ("bold", "standout")),
417
"bold,standout", "default", "bold,standout"),
458
418
("underline-blink-standout",
459
"default", "default", ("underline", "standout")),
419
"underline,blink,standout", "default",
420
"underline,blink,standout"),
460
421
("bold-underline-blink-standout",
461
"default", "default", ("bold", "underline",
462
"standout")),
422
"bold,underline,blink,standout", "default",
423
"bold,underline,blink,standout"),
463
424
))
464
425
465
426
if urwid.supports_unicode():
480
441
self.log = []
481
442
self.max_log_length = max_log_length
482
443
444
self.log_level = log_level
445
483
446
# We keep a reference to the log widget so we can remove it
484
447
# from the ListWalker without it getting destroyed
485
448
self.logbox = ConstrainedListBox(self.log)
497
460
498
461
self.busname = domain + '.Mandos'
499
462
self.main_loop = gobject.MainLoop()
500
self.bus = dbus.SystemBus()
501
mandos_dbus_objc = self.bus.get_object(
502
self.busname, "/", follow_name_owner_changes=True)
503
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
504
dbus_interface
505
= server_interface)
506
try:
507
mandos_clients = (self.mandos_serv
508
.GetAllClientsWithProperties())
509
except dbus.exceptions.DBusException:
510
mandos_clients = dbus.Dictionary()
511
512
(self.mandos_serv
513
.connect_to_signal("ClientRemoved",
514
self.find_and_remove_client,
515
dbus_interface=server_interface,
516
byte_arrays=True))
517
(self.mandos_serv
518
.connect_to_signal("ClientAdded",
519
self.add_new_client,
520
dbus_interface=server_interface,
521
byte_arrays=True))
522
(self.mandos_serv
523
.connect_to_signal("ClientNotFound",
524
self.client_not_found,
525
dbus_interface=server_interface,
526
byte_arrays=True))
527
for path, client in mandos_clients.iteritems():
528
client_proxy_object = self.bus.get_object(self.busname,
529
path)
530
self.add_client(MandosClientWidget(server_proxy_object
531
=self.mandos_serv,
532
proxy_object
533
=client_proxy_object,
534
properties=client,
535
update_hook
536
=self.refresh,
537
delete_hook
538
=self.remove_client,
539
logger
540
=self.log_message),
541
path=path)
542
463
543
464
def client_not_found(self, fingerprint, address):
544
self.log_message(("Client with address %s and fingerprint %s"
545
" could not be found" % (address,
546
fingerprint)))
465
self.log_message("Client with address {} and fingerprint {}"
466
" could not be found"
467
.format(address, fingerprint))
547
468
548
469
def rebuild(self):
549
470
"""This rebuilds the User Interface.
559
480
self.divider)))
560
481
if self.log_visible:
561
482
self.uilist.append(self.logbox)
562
pass
563
483
self.topwidget = urwid.Pile(self.uilist)
564
484
565
def log_message(self, message):
485
def log_message(self, message, level=1):
486
"""Log message formatted with timestamp"""
487
if level < self.log_level:
488
return
566
489
timestamp = datetime.datetime.now().isoformat()
567
self.log_message_raw(timestamp + ": " + message)
490
self.log_message_raw("{}: {}".format(timestamp, message),
491
level=level)
568
492
569
def log_message_raw(self, markup):
493
def log_message_raw(self, markup, level=1):
570
494
"""Add a log message to the log buffer."""
495
if level < self.log_level:
496
return
571
497
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
572
498
if (self.max_log_length
573
499
and len(self.log) > self.max_log_length):
580
506
"""Toggle visibility of the log buffer."""
581
507
self.log_visible = not self.log_visible
582
508
self.rebuild()
583
#self.log_message("Log visibility changed to: "
584
# + unicode(self.log_visible))
509
self.log_message("Log visibility changed to: {}"
510
.format(self.log_visible), level=0)
585
511
586
512
def change_log_display(self):
587
513
"""Change type of log display.
592
518
self.log_wrap = "clip"
593
519
for textwidget in self.log:
594
520
textwidget.set_wrap_mode(self.log_wrap)
595
#self.log_message("Wrap mode: " + self.log_wrap)
521
self.log_message("Wrap mode: {}".format(self.log_wrap),
522
level=0)
596
523
597
524
def find_and_remove_client(self, path, name):
598
525
"""Find a client by its object path and remove it.
603
530
client = self.clients_dict[path]
604
531
except KeyError:
605
532
# not found?
606
self.log_message("Unknown client %r (%r) removed", name,
607
path)
533
self.log_message("Unknown client {!r} ({!r}) removed"
534
.format(name, path))
608
535
return
609
536
client.delete()
610
537
627
554
if path is None:
628
555
path = client.proxy.object_path
629
556
self.clients_dict[path] = client
630
self.clients.sort(None, lambda c: c.properties["Name"])
557
self.clients.sort(key=lambda c: c.properties["Name"])
631
558
self.refresh()
632
559
633
560
def remove_client(self, client, path=None):
635
562
if path is None:
636
563
path = client.proxy.object_path
637
564
del self.clients_dict[path]
638
if not self.clients_dict:
639
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
640
# is completely emptied, we need to recreate it.
641
self.clients = urwid.SimpleListWalker([])
642
self.rebuild()
643
565
self.refresh()
644
566
645
567
def refresh(self):
649
571
650
572
def run(self):
651
573
"""Start the main loop and exit when it's done."""
574
self.bus = dbus.SystemBus()
575
mandos_dbus_objc = self.bus.get_object(
576
self.busname, "/", follow_name_owner_changes=True)
577
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
dbus_interface
579
= server_interface)
580
try:
581
mandos_clients = (self.mandos_serv
582
.GetAllClientsWithProperties())
583
if not mandos_clients:
584
self.log_message_raw(("bold", "Note: Server has no clients."))
585
except dbus.exceptions.DBusException:
586
self.log_message_raw(("bold", "Note: No Mandos server running."))
587
mandos_clients = dbus.Dictionary()
588
589
(self.mandos_serv
590
.connect_to_signal("ClientRemoved",
591
self.find_and_remove_client,
592
dbus_interface=server_interface,
593
byte_arrays=True))
594
(self.mandos_serv
595
.connect_to_signal("ClientAdded",
596
self.add_new_client,
597
dbus_interface=server_interface,
598
byte_arrays=True))
599
(self.mandos_serv
600
.connect_to_signal("ClientNotFound",
601
self.client_not_found,
602
dbus_interface=server_interface,
603
byte_arrays=True))
604
for path, client in mandos_clients.items():
605
client_proxy_object = self.bus.get_object(self.busname,
606
path)
607
self.add_client(MandosClientWidget(server_proxy_object
608
=self.mandos_serv,
609
proxy_object
610
=client_proxy_object,
611
properties=client,
612
update_hook
613
=self.refresh,
614
delete_hook
615
=self.remove_client,
616
logger
617
=self.log_message),
618
path=path)
619
652
620
self.refresh()
653
621
self._input_callback_tag = (gobject.io_add_watch
654
622
(sys.stdin.fileno(),
686
654
elif key == "window resize":
687
655
self.size = self.screen.get_cols_rows()
688
656
self.refresh()
689
elif key == "\f": # Ctrl-L
657
elif key == "ctrl l":
658
self.screen.clear()
690
659
self.refresh()
691
660
elif key == "l" or key == "D":
692
661
self.toggle_log_display()
704
673
"?: Help",
705
674
"l: Log window toggle",
706
675
"TAB: Switch window",
707
"w: Wrap (log)"))))
676
"w: Wrap (log lines)",
677
"v: Toggle verbose log",
678
))))
708
679
self.log_message_raw(("bold",
709
680
" "
710
681
.join(("Clients:",
723
694
else:
724
695
self.topwidget.set_focus(self.logbox)
725
696
self.refresh()
697
elif key == "v":
698
if self.log_level == 0:
699
self.log_level = 1
700
self.log_message("Verbose mode: Off")
701
else:
702
self.log_level = 0
703
self.log_message("Verbose mode: On")
726
704
#elif (key == "end" or key == "meta >" or key == "G"
727
705
# or key == ">"):
728
706
# pass # xxx end-of-buffer
751
729
ui.run()
752
730
except KeyboardInterrupt:
753
731
ui.screen.stop()
754
except Exception, e:
755
ui.log_message(unicode(e))
732
except Exception as e:
733
ui.log_message(str(e))
756
734
ui.screen.stop()
757
735
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0