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#!/usr/bin/python3 -bbI
 
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# -*- mode: python; coding: utf-8 -*-
 
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# Mandos Monitor - Control and monitor the Mandos server
 
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# Copyright © 2009-2019 Teddy Hogeborn
 
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# Copyright © 2009-2019 Björn Påhlsson
 
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# This file is part of Mandos.
 
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# Mandos is free software: you can redistribute it and/or modify it
 
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# under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation, either version 3 of the License, or
 
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# (at your option) any later version.
 
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#     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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# You should have received a copy of the GNU General Public License
 
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# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@recompile.se>.
 
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from __future__ import (division, absolute_import, print_function,
 
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    from future_builtins import *
 
 
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from __future__ import division, absolute_import, with_statement
 
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import urwid.curses_display
 
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from dbus.mainloop.glib import DBusGMainLoop
 
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from gi.repository import GLib
 
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if sys.version_info.major == 2:
 
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# Show warnings by default
 
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if not sys.warnoptions:
 
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    warnings.simplefilter("default")
 
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log = logging.getLogger(os.path.basename(sys.argv[0]))
 
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logging.basicConfig(level="NOTSET", # Show all messages
 
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                    format="%(message)s") # Show basic log messages
 
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logging.captureWarnings(True)   # Show warnings via the logging system
 
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locale.setlocale(locale.LC_ALL, "")
 
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
 
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locale.setlocale(locale.LC_ALL, u'')
 
 
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
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# Some useful constants
 
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domain = "se.recompile"
 
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server_interface = domain + ".Mandos"
 
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client_interface = domain + ".Mandos.Client"
 
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    dbus.OBJECT_MANAGER_IFACE
 
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except AttributeError:
 
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    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
80
 
def isoformat_to_datetime(iso):
 
81
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
84
 
    d, t = iso.split("T", 1)
 
85
 
    year, month, day = d.split("-", 2)
 
86
 
    hour, minute, second = t.split(":", 2)
 
87
 
    second, fraction = divmod(float(second), 1)
 
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    return datetime.datetime(int(year),
 
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                             int(second),            # Whole seconds
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache:
 
 
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domain = 'se.bsnet.fukt'
 
 
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server_interface = domain + '.Mandos'
 
 
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client_interface = domain + '.Mandos.Client'
 
 
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# Always run in monochrome mode
 
 
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urwid.curses_display.curses.has_colors = lambda : False
 
 
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# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
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# use for underline on its own, we make underline also always blink.
 
 
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urwid.curses_display.curses.A_UNDERLINE |= (
 
 
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    urwid.curses_display.curses.A_BLINK)
 
 
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class MandosClientPropertyCache(object):
 
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
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    properties and calls a hook function when any of them are
 
102
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
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        self.proxy = proxy_object  # Mandos Client proxy object
 
104
 
        self.properties = dict() if properties is None else properties
 
105
 
        self.property_changed_match = (
 
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            self.proxy.connect_to_signal("PropertiesChanged",
 
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                                         self.properties_changed,
 
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                                         dbus.PROPERTIES_IFACE,
 
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        if properties is None:
 
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            self.properties.update(self.proxy.GetAll(
 
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                dbus_interface=dbus.PROPERTIES_IFACE))
 
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        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
118
 
    def properties_changed(self, interface, properties, invalidated):
 
119
 
        """This is called whenever we get a PropertiesChanged signal
 
120
 
        It updates the changed properties in the "properties" dict.
 
 
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    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
 
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        self.properties = dict()
 
 
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        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
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                                     self.property_changed,
 
 
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        self.properties.update(
 
 
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            self.proxy.GetAll(client_interface,
 
 
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                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
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        #XXX This break good super behaviour!
 
 
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#        super(MandosClientPropertyCache, self).__init__(
 
 
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    def property_changed(self, property=None, value=None):
 
 
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        """This is called whenever we get a PropertyChanged signal
 
 
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        It updates the changed property in the "properties" dict.
 
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        # Update properties dict with new value
 
123
 
        if interface == client_interface:
 
124
 
            self.properties.update(properties)
 
127
 
        self.property_changed_match.remove()
 
 
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        self.properties[property] = value
 
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
131
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    """A Mandos Client which is visible on the screen.
 
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    def __init__(self, server_proxy_object=None, update_hook=None,
 
135
 
                 delete_hook=None, **kwargs):
 
 
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                 delete_hook=None, logger=None, *args, **kwargs):
 
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        # Called on update
 
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        self.update_hook = update_hook
 
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        # Called on delete
 
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        self.delete_hook = delete_hook
 
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        # Mandos Server proxy object
 
141
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        self.server_proxy_object = server_proxy_object
 
143
 
        self._update_timer_callback_tag = None
 
145
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        # The widget shown normally
 
146
 
        self._text_widget = urwid.Text("")
 
 
89
        self._text_widget = urwid.Text(u"")
 
147
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        # The widget shown when we have focus
 
148
 
        self._focus_text_widget = urwid.Text("")
 
149
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
91
        self._focus_text_widget = urwid.Text(u"")
 
 
92
        super(MandosClientWidget, self).__init__(
 
 
93
            update_hook=update_hook, delete_hook=delete_hook,
 
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        self.opened = False
 
153
 
        self.match_objects = (
 
154
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
155
 
                                         self.checker_completed,
 
158
 
            self.proxy.connect_to_signal("CheckerStarted",
 
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                                         self.checker_started,
 
162
 
            self.proxy.connect_to_signal("GotSecret",
 
166
 
            self.proxy.connect_to_signal("NeedApproval",
 
170
 
            self.proxy.connect_to_signal("Rejected",
 
174
 
        log.debug("Created client %s", self.properties["Name"])
 
176
 
    def using_timer(self, flag):
 
177
 
        """Call this method with True or False when timer should be
 
178
 
        activated or deactivated.
 
180
 
        if flag and self._update_timer_callback_tag is None:
 
181
 
            # Will update the shown timer value every second
 
182
 
            self._update_timer_callback_tag = (
 
183
 
                GLib.timeout_add(1000,
 
184
 
                                 glib_safely(self.update_timer)))
 
185
 
        elif not (flag or self._update_timer_callback_tag is None):
 
186
 
            GLib.source_remove(self._update_timer_callback_tag)
 
187
 
            self._update_timer_callback_tag = None
 
 
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        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
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                                     self.checker_completed,
 
 
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        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
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                                     self.checker_started,
 
 
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        self.proxy.connect_to_signal(u"GotSecret",
 
 
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        self.proxy.connect_to_signal(u"NeedApproval",
 
 
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        self.proxy.connect_to_signal(u"Rejected",
 
189
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    def checker_completed(self, exitstatus, condition, command):
 
190
119
        if exitstatus == 0:
 
191
 
            log.debug('Checker for client %s (command "%s")'
 
192
 
                      " succeeded", self.properties["Name"], command)
 
 
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            #self.logger(u'Checker for client %s (command "%s")'
 
 
122
            #            % (self.properties[u"name"], command))
 
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        if os.WIFEXITED(condition):
 
197
 
            log.info('Checker for client %s (command "%s") failed'
 
198
 
                     " with exit code %d", self.properties["Name"],
 
199
 
                     command, os.WEXITSTATUS(condition))
 
200
 
        elif os.WIFSIGNALED(condition):
 
201
 
            log.info('Checker for client %s (command "%s") was'
 
202
 
                     " killed by signal %d", self.properties["Name"],
 
203
 
                     command, os.WTERMSIG(condition))
 
 
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            self.logger(u'Checker for client %s (command "%s")'
 
 
126
                        u' failed with exit code %s'
 
 
127
                        % (self.properties[u"name"], command,
 
 
128
                           os.WEXITSTATUS(condition)))
 
 
130
        if os.WIFSIGNALED(condition):
 
 
131
            self.logger(u'Checker for client %s (command "%s")'
 
 
132
                        u' was killed by signal %s'
 
 
133
                        % (self.properties[u"name"], command,
 
 
134
                           os.WTERMSIG(condition)))
 
 
136
        if os.WCOREDUMP(condition):
 
 
137
            self.logger(u'Checker for client %s (command "%s")'
 
 
139
                        % (self.properties[u"name"], command))
 
 
140
        self.logger(u'Checker for client %s completed mysteriously')
 
206
142
    def checker_started(self, command):
 
207
 
        """Server signals that a checker started."""
 
208
 
        log.debug('Client %s started checker "%s"',
 
209
 
                  self.properties["Name"], command)
 
 
143
        #self.logger(u'Client %s started checker "%s"'
 
 
144
        #            % (self.properties[u"name"], unicode(command)))
 
211
147
    def got_secret(self):
 
212
 
        log.info("Client %s received its secret",
 
213
 
                 self.properties["Name"])
 
 
148
        self.logger(u'Client %s received its secret'
 
 
149
                    % self.properties[u"name"])
 
215
151
    def need_approval(self, timeout, default):
 
217
 
            message = "Client %s needs approval within %f seconds"
 
 
153
            message = u'Client %s needs approval within %s seconds'
 
219
 
            message = "Client %s will get its secret in %f seconds"
 
220
 
        log.info(message, self.properties["Name"], timeout/1000)
 
 
155
            message = u'Client %s will get its secret in %s seconds'
 
 
157
                    % (self.properties[u"name"], timeout/1000))
 
222
159
    def rejected(self, reason):
 
223
 
        log.info("Client %s was rejected; reason: %s",
 
224
 
                 self.properties["Name"], reason)
 
 
160
        self.logger(u'Client %s was rejected; reason: %s'
 
 
161
                    % (self.properties[u"name"], reason))
 
226
163
    def selectable(self):
 
227
164
        """Make this a "selectable" widget.
 
228
165
        This overrides the method from urwid.FlowWidget."""
 
231
 
    def rows(self, maxcolrow, focus=False):
 
 
168
    def rows(self, (maxcol,), focus=False):
 
232
169
        """How many rows this widget will occupy might depend on
 
233
170
        whether we have focus or not.
 
234
171
        This overrides the method from urwid.FlowWidget"""
 
235
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
172
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
237
174
    def current_widget(self, focus=False):
 
238
175
        if focus or self.opened:
 
239
176
            return self._focus_widget
 
240
177
        return self._widget
 
242
179
    def update(self):
 
243
180
        "Called when what is visible on the screen should be updated."
 
244
181
        # How to add standout mode to a style
 
245
 
        with_standout = {"normal": "standout",
 
246
 
                         "bold": "bold-standout",
 
248
 
                         "underline-blink-standout",
 
249
 
                         "bold-underline-blink":
 
250
 
                         "bold-underline-blink-standout",
 
 
182
        with_standout = { u"normal": u"standout",
 
 
183
                          u"bold": u"bold-standout",
 
 
185
                              u"underline-blink-standout",
 
 
186
                          u"bold-underline-blink":
 
 
187
                              u"bold-underline-blink-standout",
 
253
190
        # Rebuild focus and non-focus widgets using current properties
 
255
192
        # Base part of a client. Name!
 
256
 
        base = "{name}: ".format(name=self.properties["Name"])
 
257
 
        if not self.properties["Enabled"]:
 
259
 
            self.using_timer(False)
 
260
 
        elif self.properties["ApprovalPending"]:
 
261
 
            timeout = datetime.timedelta(
 
262
 
                milliseconds=self.properties["ApprovalDelay"])
 
263
 
            last_approval_request = isoformat_to_datetime(
 
264
 
                self.properties["LastApprovalRequest"])
 
265
 
            if last_approval_request is not None:
 
266
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
267
 
                                       - last_approval_request),
 
268
 
                            datetime.timedelta())
 
270
 
                timer = datetime.timedelta()
 
271
 
            if self.properties["ApprovedByDefault"]:
 
272
 
                message = "Approval in {}. (d)eny?"
 
274
 
                message = "Denial in {}. (a)pprove?"
 
275
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
276
 
            self.using_timer(True)
 
277
 
        elif self.properties["LastCheckerStatus"] != 0:
 
278
 
            # When checker has failed, show timer until client expires
 
279
 
            expires = self.properties["Expires"]
 
281
 
                timer = datetime.timedelta(0)
 
283
 
                expires = (datetime.datetime.strptime
 
284
 
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
 
285
 
                timer = max(expires - datetime.datetime.utcnow(),
 
286
 
                            datetime.timedelta())
 
287
 
            message = ("A checker has failed! Time until client"
 
289
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
290
 
            self.using_timer(True)
 
 
193
        self._text = (u'%(name)s: '
 
 
194
                      % {u"name": self.properties[u"name"]})
 
 
196
        if self.properties[u"approved_pending"]:
 
 
197
            if self.properties[u"approved_by_default"]:
 
 
198
                self._text += u"Connection established to client. (d)eny?"
 
 
200
                self._text += u"Seeks approval to send secret. (a)pprove?"
 
293
 
            self.using_timer(False)
 
294
 
        self._text = "{}{}".format(base, message)
 
 
202
            self._text += (u'%(enabled)s'
 
 
205
                                if self.properties[u"enabled"]
 
296
207
        if not urwid.supports_unicode():
 
297
208
            self._text = self._text.encode("ascii", "replace")
 
298
 
        textlist = [("normal", self._text)]
 
 
209
        textlist = [(u"normal", self._text)]
 
299
210
        self._text_widget.set_text(textlist)
 
300
211
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
308
219
        # Run update hook, if any
 
309
220
        if self.update_hook is not None:
 
310
221
            self.update_hook()
 
312
 
    def update_timer(self):
 
313
 
        """called by GLib. Will indefinitely loop until
 
314
 
        GLib.source_remove() on tag is called
 
317
 
        return True             # Keep calling this
 
319
 
    def delete(self, **kwargs):
 
320
 
        if self._update_timer_callback_tag is not None:
 
321
 
            GLib.source_remove(self._update_timer_callback_tag)
 
322
 
            self._update_timer_callback_tag = None
 
323
 
        for match in self.match_objects:
 
325
 
        self.match_objects = ()
 
326
224
        if self.delete_hook is not None:
 
327
225
            self.delete_hook(self)
 
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
330
 
    def render(self, maxcolrow, focus=False):
 
 
227
    def render(self, (maxcol,), focus=False):
 
331
228
        """Render differently if we have focus.
 
332
229
        This overrides the method from urwid.FlowWidget"""
 
333
 
        return self.current_widget(focus).render(maxcolrow,
 
 
230
        return self.current_widget(focus).render((maxcol,),
 
336
 
    def keypress(self, maxcolrow, key):
 
 
233
    def keypress(self, (maxcol,), key):
 
338
235
        This overrides the method from urwid.FlowWidget"""
 
340
 
            self.proxy.Set(client_interface, "Enabled",
 
341
 
                           dbus.Boolean(True), ignore_reply=True,
 
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
344
 
            self.proxy.Set(client_interface, "Enabled", False,
 
346
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
237
            self.proxy.Enable(dbus_interface = client_interface)
 
 
239
            self.proxy.Disable(dbus_interface = client_interface)
 
348
241
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
349
 
                               dbus_interface=client_interface,
 
 
242
                               dbus_interface = client_interface)
 
352
244
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
353
 
                               dbus_interface=client_interface,
 
355
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
245
                                  dbus_interface = client_interface)
 
 
246
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
356
247
            self.server_proxy_object.RemoveClient(self.proxy
 
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
361
 
                           dbus.Boolean(True), ignore_reply=True,
 
362
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
364
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
365
 
                           dbus.Boolean(False), ignore_reply=True,
 
366
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
368
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
250
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
252
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
254
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
371
 
#         elif key == "p" or key == "=":
 
 
256
#         elif key == u"p" or key == "=":
 
372
257
#             self.proxy.pause()
 
373
 
#         elif key == "u" or key == ":":
 
 
258
#         elif key == u"u" or key == ":":
 
374
259
#             self.proxy.unpause()
 
 
260
#         elif key == u"RET":
 
 
263
#            self.proxy.Approve(True)
 
 
265
#            self.proxy.Approve(False)
 
380
 
    def properties_changed(self, interface, properties, invalidated):
 
381
 
        """Call self.update() if any properties changed.
 
 
269
    def property_changed(self, property=None, value=None,
 
 
271
        """Call self.update() if old value is not new value.
 
382
272
        This overrides the method from MandosClientPropertyCache"""
 
383
 
        old_values = {key: self.properties.get(key)
 
384
 
                      for key in properties.keys()}
 
385
 
        super(MandosClientWidget, self).properties_changed(
 
386
 
            interface, properties, invalidated)
 
387
 
        if any(old_values[key] != self.properties.get(key)
 
388
 
               for key in old_values):
 
 
273
        property_name = unicode(property)
 
 
274
        old_value = self.properties.get(property_name)
 
 
275
        super(MandosClientWidget, self).property_changed(
 
 
276
            property=property, value=value, *args, **kwargs)
 
 
277
        if self.properties.get(property_name) != old_value:
 
392
 
def glib_safely(func, retval=True):
 
393
 
    def safe_func(*args, **kwargs):
 
395
 
            return func(*args, **kwargs)
 
402
281
class ConstrainedListBox(urwid.ListBox):
 
403
282
    """Like a normal urwid.ListBox, but will consume all "up" or
 
404
283
    "down" key presses, thus not allowing any containing widgets to
 
405
284
    use them as an excuse to shift focus away from this widget.
 
407
 
    def keypress(self, *args, **kwargs):
 
408
 
        ret = (super(ConstrainedListBox, self)
 
409
 
               .keypress(*args, **kwargs))
 
410
 
        if ret in ("up", "down"):
 
 
286
    def keypress(self, (maxcol, maxrow), key):
 
 
287
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
 
288
        if ret in (u"up", u"down"):
 
 
293
class UserInterface(object):
 
416
294
    """This is the entire user interface - the whole screen
 
417
295
    with boxes, lists of client widgets, etc.
 
419
297
    def __init__(self, max_log_length=1000):
 
420
298
        DBusGMainLoop(set_as_default=True)
 
422
300
        self.screen = urwid.curses_display.Screen()
 
424
302
        self.screen.register_palette((
 
426
 
                 "default", "default", None),
 
428
 
                 "bold", "default", "bold"),
 
430
 
                 "underline,blink", "default", "underline,blink"),
 
432
 
                 "standout", "default", "standout"),
 
433
 
                ("bold-underline-blink",
 
434
 
                 "bold,underline,blink", "default",
 
435
 
                 "bold,underline,blink"),
 
437
 
                 "bold,standout", "default", "bold,standout"),
 
438
 
                ("underline-blink-standout",
 
439
 
                 "underline,blink,standout", "default",
 
440
 
                 "underline,blink,standout"),
 
441
 
                ("bold-underline-blink-standout",
 
442
 
                 "bold,underline,blink,standout", "default",
 
443
 
                 "bold,underline,blink,standout"),
 
 
304
                 u"default", u"default", None),
 
 
306
                 u"default", u"default", u"bold"),
 
 
308
                 u"default", u"default", u"underline"),
 
 
310
                 u"default", u"default", u"standout"),
 
 
311
                (u"bold-underline-blink",
 
 
312
                 u"default", u"default", (u"bold", u"underline")),
 
 
314
                 u"default", u"default", (u"bold", u"standout")),
 
 
315
                (u"underline-blink-standout",
 
 
316
                 u"default", u"default", (u"underline", u"standout")),
 
 
317
                (u"bold-underline-blink-standout",
 
 
318
                 u"default", u"default", (u"bold", u"underline",
 
446
322
        if urwid.supports_unicode():
 
447
 
            self.divider = "─"  # \u2500
 
 
323
            self.divider = u"─" # \u2500
 
 
324
            #self.divider = u"━" # \u2501
 
449
 
            self.divider = "_"  # \u005f
 
 
326
            #self.divider = u"-" # \u002d
 
 
327
            self.divider = u"_" # \u005f
 
451
329
        self.screen.start()
 
453
331
        self.size = self.screen.get_cols_rows()
 
455
333
        self.clients = urwid.SimpleListWalker([])
 
456
334
        self.clients_dict = {}
 
458
336
        # We will add Text widgets to this list
 
459
 
        self.log = urwid.SimpleListWalker([])
 
460
338
        self.max_log_length = max_log_length
 
462
340
        # We keep a reference to the log widget so we can remove it
 
463
341
        # from the ListWalker without it getting destroyed
 
464
342
        self.logbox = ConstrainedListBox(self.log)
 
466
344
        # This keeps track of whether self.uilist currently has
 
467
345
        # self.logbox in it or not
 
468
346
        self.log_visible = True
 
469
 
        self.log_wrap = "any"
 
471
 
        self.loghandler = UILogHandler(self)
 
 
347
        self.log_wrap = u"any"
 
474
 
        self.add_log_line(("bold",
 
475
 
                           "Mandos Monitor version " + version))
 
476
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
478
 
        self.busname = domain + ".Mandos"
 
479
 
        self.main_loop = GLib.MainLoop()
 
481
 
    def client_not_found(self, key_id, address):
 
482
 
        log.info("Client with address %s and key ID %s could"
 
483
 
                 " not be found", address, key_id)
 
 
350
        self.log_message_raw((u"bold",
 
 
351
                              u"Mandos Monitor version " + version))
 
 
352
        self.log_message_raw((u"bold",
 
 
355
        self.busname = domain + '.Mandos'
 
 
356
        self.main_loop = gobject.MainLoop()
 
 
357
        self.bus = dbus.SystemBus()
 
 
358
        mandos_dbus_objc = self.bus.get_object(
 
 
359
            self.busname, u"/", follow_name_owner_changes=True)
 
 
360
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
364
            mandos_clients = (self.mandos_serv
 
 
365
                              .GetAllClientsWithProperties())
 
 
366
        except dbus.exceptions.DBusException:
 
 
367
            mandos_clients = dbus.Dictionary()
 
 
370
         .connect_to_signal(u"ClientRemoved",
 
 
371
                            self.find_and_remove_client,
 
 
372
                            dbus_interface=server_interface,
 
 
375
         .connect_to_signal(u"ClientAdded",
 
 
377
                            dbus_interface=server_interface,
 
 
380
         .connect_to_signal(u"ClientNotFound",
 
 
381
                            self.client_not_found,
 
 
382
                            dbus_interface=server_interface,
 
 
384
        for path, client in mandos_clients.iteritems():
 
 
385
            client_proxy_object = self.bus.get_object(self.busname,
 
 
387
            self.add_client(MandosClientWidget(server_proxy_object
 
 
390
                                               =client_proxy_object,
 
 
400
    def client_not_found(self, fingerprint, address):
 
 
401
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
402
                          u" could not be found" % (address,
 
485
405
    def rebuild(self):
 
486
406
        """This rebuilds the User Interface.
 
487
407
        Call this when the widget layout needs to change"""
 
489
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
490
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
492
 
                                       # header=urwid.Divider(),
 
 
409
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
410
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
411
                                       #header=urwid.Divider(),
 
494
 
                                       footer=urwid.Divider(
 
495
 
                                           div_char=self.divider)))
 
 
413
                                       footer=urwid.Divider(div_char=self.divider)))
 
496
414
        if self.log_visible:
 
497
415
            self.uilist.append(self.logbox)
 
498
417
        self.topwidget = urwid.Pile(self.uilist)
 
500
 
    def add_log_line(self, markup):
 
 
419
    def log_message(self, message):
 
 
420
        timestamp = datetime.datetime.now().isoformat()
 
 
421
        self.log_message_raw(timestamp + u": " + message)
 
 
423
    def log_message_raw(self, markup):
 
 
424
        """Add a log message to the log buffer."""
 
501
425
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
 
        if self.max_log_length:
 
503
 
            if len(self.log) > self.max_log_length:
 
504
 
                del self.log[0:(len(self.log) - self.max_log_length)]
 
505
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
426
        if (self.max_log_length
 
 
427
            and len(self.log) > self.max_log_length):
 
 
428
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
429
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
430
                              coming_from=u"above")
 
509
433
    def toggle_log_display(self):
 
510
434
        """Toggle visibility of the log buffer."""
 
511
435
        self.log_visible = not self.log_visible
 
513
 
        log.debug("Log visibility changed to: %s", self.log_visible)
 
 
437
        self.log_message(u"Log visibility changed to: "
 
 
438
                         + unicode(self.log_visible))
 
515
440
    def change_log_display(self):
 
516
441
        """Change type of log display.
 
517
442
        Currently, this toggles wrapping of text lines."""
 
518
 
        if self.log_wrap == "clip":
 
519
 
            self.log_wrap = "any"
 
 
443
        if self.log_wrap == u"clip":
 
 
444
            self.log_wrap = u"any"
 
521
 
            self.log_wrap = "clip"
 
 
446
            self.log_wrap = u"clip"
 
522
447
        for textwidget in self.log:
 
523
448
            textwidget.set_wrap_mode(self.log_wrap)
 
524
 
        log.debug("Wrap mode: %s", self.log_wrap)
 
526
 
    def find_and_remove_client(self, path, interfaces):
 
527
 
        """Find a client by its object path and remove it.
 
529
 
        This is connected to the InterfacesRemoved signal from the
 
 
449
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
451
    def find_and_remove_client(self, path, name):
 
 
452
        """Find an client from its object path and remove it.
 
 
454
        This is connected to the ClientRemoved signal from the
 
530
455
        Mandos server object."""
 
531
 
        if client_interface not in interfaces:
 
532
 
            # Not a Mandos client object; ignore
 
535
457
            client = self.clients_dict[path]
 
538
 
            log.warning("Unknown client %s removed", path)
 
542
 
    def add_new_client(self, path, ifs_and_props):
 
543
 
        """Find a client by its object path and remove it.
 
545
 
        This is connected to the InterfacesAdded signal from the
 
546
 
        Mandos server object.
 
548
 
        if client_interface not in ifs_and_props:
 
549
 
            # Not a Mandos client object; ignore
 
 
461
        self.remove_client(client, path)
 
 
463
    def add_new_client(self, path):
 
551
464
        client_proxy_object = self.bus.get_object(self.busname, path)
 
552
 
        self.add_client(MandosClientWidget(
 
553
 
            server_proxy_object=self.mandos_serv,
 
554
 
            proxy_object=client_proxy_object,
 
555
 
            update_hook=self.refresh,
 
556
 
            delete_hook=self.remove_client,
 
557
 
            properties=dict(ifs_and_props[client_interface])),
 
 
465
        self.add_client(MandosClientWidget(server_proxy_object
 
 
468
                                           =client_proxy_object,
 
560
477
    def add_client(self, client, path=None):
 
561
478
        self.clients.append(client)
 
563
480
            path = client.proxy.object_path
 
564
481
        self.clients_dict[path] = client
 
565
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
482
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
568
485
    def remove_client(self, client, path=None):
 
569
486
        self.clients.remove(client)
 
571
488
            path = client.proxy.object_path
 
572
489
        del self.clients_dict[path]
 
 
490
        if not self.clients_dict:
 
 
491
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
492
            # is completely emptied, we need to recreate it.
 
 
493
            self.clients = urwid.SimpleListWalker([])
 
575
497
    def refresh(self):
 
576
498
        """Redraw the screen"""
 
577
499
        canvas = self.topwidget.render(self.size, focus=True)
 
578
500
        self.screen.draw_screen(self.size, canvas)
 
581
503
        """Start the main loop and exit when it's done."""
 
582
 
        log.addHandler(self.loghandler)
 
583
 
        self.orig_log_propagate = log.propagate
 
584
 
        log.propagate = False
 
585
 
        self.orig_log_level = log.level
 
587
 
        self.bus = dbus.SystemBus()
 
588
 
        mandos_dbus_objc = self.bus.get_object(
 
589
 
            self.busname, "/", follow_name_owner_changes=True)
 
590
 
        self.mandos_serv = dbus.Interface(
 
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
593
 
            mandos_clients = (self.mandos_serv
 
594
 
                              .GetAllClientsWithProperties())
 
595
 
            if not mandos_clients:
 
596
 
                log.warning("Note: Server has no clients.")
 
597
 
        except dbus.exceptions.DBusException:
 
598
 
            log.warning("Note: No Mandos server running.")
 
599
 
            mandos_clients = dbus.Dictionary()
 
602
 
         .connect_to_signal("InterfacesRemoved",
 
603
 
                            self.find_and_remove_client,
 
604
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
607
 
         .connect_to_signal("InterfacesAdded",
 
609
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
612
 
         .connect_to_signal("ClientNotFound",
 
613
 
                            self.client_not_found,
 
614
 
                            dbus_interface=server_interface,
 
616
 
        for path, client in mandos_clients.items():
 
617
 
            client_proxy_object = self.bus.get_object(self.busname,
 
619
 
            self.add_client(MandosClientWidget(
 
620
 
                server_proxy_object=self.mandos_serv,
 
621
 
                proxy_object=client_proxy_object,
 
623
 
                update_hook=self.refresh,
 
624
 
                delete_hook=self.remove_client),
 
628
 
        self._input_callback_tag = (
 
630
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
631
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
632
 
                glib_safely(self.process_input)))
 
 
505
        self._input_callback_tag = (gobject.io_add_watch
 
633
509
        self.main_loop.run()
 
634
510
        # Main loop has finished, we should close everything now
 
635
 
        GLib.source_remove(self._input_callback_tag)
 
636
 
        with warnings.catch_warnings():
 
637
 
            warnings.simplefilter("ignore", BytesWarning)
 
 
511
        gobject.source_remove(self._input_callback_tag)
 
641
515
        self.main_loop.quit()
 
642
 
        log.removeHandler(self.loghandler)
 
643
 
        log.propagate = self.orig_log_propagate
 
645
517
    def process_input(self, source, condition):
 
646
518
        keys = self.screen.get_input()
 
647
 
        translations = {"ctrl n": "down",       # Emacs
 
648
 
                        "ctrl p": "up",         # Emacs
 
649
 
                        "ctrl v": "page down",  # Emacs
 
650
 
                        "meta v": "page up",    # Emacs
 
651
 
                        " ": "page down",       # less
 
652
 
                        "f": "page down",       # less
 
653
 
                        "b": "page up",         # less
 
 
519
        translations = { u"ctrl n": u"down",      # Emacs
 
 
520
                         u"ctrl p": u"up",        # Emacs
 
 
521
                         u"ctrl v": u"page down", # Emacs
 
 
522
                         u"meta v": u"page up",   # Emacs
 
 
523
                         u" ": u"page down",      # less
 
 
524
                         u"f": u"page down",      # less
 
 
525
                         u"b": u"page up",        # less
 
659
531
                key = translations[key]
 
660
532
            except KeyError:    # :-)
 
663
 
            if key == "q" or key == "Q":
 
 
535
            if key == u"q" or key == u"Q":
 
666
 
            elif key == "window resize":
 
 
538
            elif key == u"window resize":
 
667
539
                self.size = self.screen.get_cols_rows()
 
669
 
            elif key == "ctrl l":
 
 
541
            elif key == u"\f":  # Ctrl-L
 
672
 
            elif key == "l" or key == "D":
 
 
543
            elif key == u"l" or key == u"D":
 
673
544
                self.toggle_log_display()
 
675
 
            elif key == "w" or key == "i":
 
 
546
            elif key == u"w" or key == u"i":
 
676
547
                self.change_log_display()
 
678
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
549
            elif key == u"?" or key == u"f1" or key == u"esc":
 
679
550
                if not self.log_visible:
 
680
551
                    self.log_visible = True
 
682
 
                self.add_log_line(("bold",
 
685
 
                                              "l: Log window toggle",
 
686
 
                                              "TAB: Switch window",
 
687
 
                                              "w: Wrap (log lines)",
 
688
 
                                              "v: Toggle verbose log",
 
690
 
                self.add_log_line(("bold",
 
691
 
                                   "  ".join(("Clients:",
 
695
 
                                              "s: Start new checker",
 
 
553
                self.log_message_raw((u"bold",
 
 
557
                                            u"l: Log window toggle",
 
 
558
                                            u"TAB: Switch window",
 
 
560
                self.log_message_raw((u"bold",
 
 
566
                                             u"s: Start new checker",
 
703
573
                if self.topwidget.get_focus() is self.logbox:
 
704
574
                    self.topwidget.set_focus(0)
 
706
576
                    self.topwidget.set_focus(self.logbox)
 
709
 
                if log.level < logging.INFO:
 
710
 
                    log.setLevel(logging.INFO)
 
711
 
                    log.info("Verbose mode: Off")
 
713
 
                    log.setLevel(logging.NOTSET)
 
714
 
                    log.info("Verbose mode: On")
 
715
 
            # elif (key == "end" or key == "meta >" or key == "G"
 
717
 
            #     pass            # xxx end-of-buffer
 
718
 
            # elif (key == "home" or key == "meta <" or key == "g"
 
720
 
            #     pass            # xxx beginning-of-buffer
 
721
 
            # elif key == "ctrl e" or key == "$":
 
722
 
            #     pass            # xxx move-end-of-line
 
723
 
            # elif key == "ctrl a" or key == "^":
 
724
 
            #     pass            # xxx move-beginning-of-line
 
725
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
727
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
730
 
            #     pass            # scroll up log
 
732
 
            #     pass            # scroll down log
 
 
578
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
580
            #    pass            # xxx end-of-buffer
 
 
581
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
583
            #    pass            # xxx beginning-of-buffer
 
 
584
            #elif key == u"ctrl e" or key == u"$":
 
 
585
            #    pass            # xxx move-end-of-line
 
 
586
            #elif key == u"ctrl a" or key == u"^":
 
 
587
            #    pass            # xxx move-beginning-of-line
 
 
588
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
590
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
593
            #    pass            # scroll up log
 
 
595
            #    pass            # scroll down log
 
733
596
            elif self.topwidget.selectable():
 
734
597
                self.topwidget.keypress(self.size, key)
 
739
 
class UILogHandler(logging.Handler):
 
740
 
    def __init__(self, ui, *args, **kwargs):
 
742
 
        super(UILogHandler, self).__init__(*args, **kwargs)
 
744
 
            logging.Formatter("%(asctime)s: %(message)s"))
 
745
 
    def emit(self, record):
 
746
 
        msg = self.format(record)
 
747
 
        if record.levelno > logging.INFO:
 
749
 
        self.ui.add_log_line(msg)
 
752
601
ui = UserInterface()
 
755
 
except KeyboardInterrupt:
 
756
 
    with warnings.catch_warnings():
 
757
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
760
 
    with warnings.catch_warnings():
 
761
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
605
    ui.log_message(unicode(e))