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  • Committer: teddy at recompile
  • Date: 2011-12-27 14:15:40 UTC
  • Revision ID: teddy@recompile.se-20111227141540-ajrabf33q59jfa7t
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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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# Contact the authors at <mandos@fukt.bsnet.se>.
 
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# Contact the authors at <mandos@recompile.se>.
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from __future__ import division, absolute_import, print_function, unicode_literals
 
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from __future__ import (division, absolute_import, print_function,
 
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                        unicode_literals)
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import sys
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import os
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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# Some useful constants
51
 
domain = 'se.bsnet.fukt'
 
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
54
 
version = "1.3.0"
 
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version = "1.4.1"
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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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        self.proxy = proxy_object # Mandos Client proxy object
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        self.properties = dict()
89
 
        self.proxy.connect_to_signal("PropertyChanged",
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                                     self.property_changed,
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                                     client_interface,
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                                     byte_arrays=True)
 
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        self.property_changed_match = (
 
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            self.proxy.connect_to_signal("PropertyChanged",
 
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                                         self.property_changed,
 
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                                         client_interface,
 
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                                         byte_arrays=True))
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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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98
 
        #XXX This break good super behaviour!
 
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        #XXX This breaks good super behaviour
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#        super(MandosClientPropertyCache, self).__init__(
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#            *args, **kwargs)
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        """
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        # Update properties dict with new value
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        self.properties[property] = value
 
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    def delete(self, *args, **kwargs):
 
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        self.property_changed_match.remove()
 
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        super(MandosClientPropertyCache, self).__init__(
 
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            *args, **kwargs)
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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        if self.need_approval:
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            self.using_timer(True)
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157
 
        self.proxy.connect_to_signal("CheckerCompleted",
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                                     self.checker_completed,
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                                     client_interface,
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                                     byte_arrays=True)
161
 
        self.proxy.connect_to_signal("CheckerStarted",
162
 
                                     self.checker_started,
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                                     client_interface,
164
 
                                     byte_arrays=True)
165
 
        self.proxy.connect_to_signal("GotSecret",
166
 
                                     self.got_secret,
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                                     client_interface,
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                                     byte_arrays=True)
169
 
        self.proxy.connect_to_signal("NeedApproval",
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                                     self.need_approval,
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                                     client_interface,
172
 
                                     byte_arrays=True)
173
 
        self.proxy.connect_to_signal("Rejected",
174
 
                                     self.rejected,
175
 
                                     client_interface,
176
 
                                     byte_arrays=True)
 
164
        self.match_objects = (
 
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            self.proxy.connect_to_signal("CheckerCompleted",
 
166
                                         self.checker_completed,
 
167
                                         client_interface,
 
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                                         byte_arrays=True),
 
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            self.proxy.connect_to_signal("CheckerStarted",
 
170
                                         self.checker_started,
 
171
                                         client_interface,
 
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                                         byte_arrays=True),
 
173
            self.proxy.connect_to_signal("GotSecret",
 
174
                                         self.got_secret,
 
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                                         client_interface,
 
176
                                         byte_arrays=True),
 
177
            self.proxy.connect_to_signal("NeedApproval",
 
178
                                         self.need_approval,
 
179
                                         client_interface,
 
180
                                         byte_arrays=True),
 
181
            self.proxy.connect_to_signal("Rejected",
 
182
                                         self.rejected,
 
183
                                         client_interface,
 
184
                                         byte_arrays=True))
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
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    def property_changed(self, property=None, value=None):
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        super(self, MandosClientWidget).property_changed(property,
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        else:
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            self._update_timer_callback_lock -= 1
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        if old == 0 and self._update_timer_callback_lock:
 
203
            # Will update the shown timer value every second
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            self._update_timer_callback_tag = (gobject.timeout_add
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                                               (1000,
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                                                self.update_timer))
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        self.update()
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234
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    def checker_started(self, command):
 
245
        """Server signals that a checker started. This could be useful
 
246
           to log in the future. """
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        #self.logger('Client %s started checker "%s"'
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        #            % (self.properties["Name"], unicode(command)))
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        pass
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                message = "Denial in %s. (a)pprove?"
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            message = message % unicode(timer).rsplit(".", 1)[0]
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        elif self.last_checker_failed:
308
 
            timeout = datetime.timedelta(milliseconds
309
 
                                         = self.properties
310
 
                                         ["Timeout"])
311
 
            last_ok = isoformat_to_datetime(
312
 
                max((self.properties["LastCheckedOK"]
313
 
                     or self.properties["Created"]),
314
 
                    self.properties["LastEnabled"]))
315
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
320
            # When checker has failed, print a timer until client expires
 
321
            expires = self.properties["Expires"]
 
322
            if expires == "":
 
323
                timer = datetime.timedelta(0)
 
324
            else:
 
325
                expires = datetime.datetime.strptime(expires,
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
327
                timer = expires - datetime.datetime.utcnow()
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            message = ('A checker has failed! Time until client'
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                       ' gets disabled: %s'
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                           % unicode(timer).rsplit(".", 1)[0])
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            self.update_hook()
338
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339
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    def update_timer(self):
340
 
        "called by gobject"
 
352
        """called by gobject. Will indefinitely loop until
 
353
        gobject.source_remove() on tag is called"""
341
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        self.update()
342
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        return True             # Keep calling this
343
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344
 
    def delete(self):
 
357
    def delete(self, *args, **kwargs):
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        if self._update_timer_callback_tag is not None:
346
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            gobject.source_remove(self._update_timer_callback_tag)
347
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            self._update_timer_callback_tag = None
 
361
        for match in self.match_objects:
 
362
            match.remove()
 
363
        self.match_objects = ()
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        if self.delete_hook is not None:
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            self.delete_hook(self)
 
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        return super(MandosClientWidget, self).delete(*args, **kwargs)
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    def render(self, maxcolrow, focus=False):
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        """Render differently if we have focus.
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        self.busname = domain + '.Mandos'
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        self.main_loop = gobject.MainLoop()
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        self.bus = dbus.SystemBus()
486
 
        mandos_dbus_objc = self.bus.get_object(
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            self.busname, "/", follow_name_owner_changes=True)
488
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
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                                          dbus_interface
490
 
                                          = server_interface)
491
 
        try:
492
 
            mandos_clients = (self.mandos_serv
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                              .GetAllClientsWithProperties())
494
 
        except dbus.exceptions.DBusException:
495
 
            mandos_clients = dbus.Dictionary()
496
 
        
497
 
        (self.mandos_serv
498
 
         .connect_to_signal("ClientRemoved",
499
 
                            self.find_and_remove_client,
500
 
                            dbus_interface=server_interface,
501
 
                            byte_arrays=True))
502
 
        (self.mandos_serv
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         .connect_to_signal("ClientAdded",
504
 
                            self.add_new_client,
505
 
                            dbus_interface=server_interface,
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                            byte_arrays=True))
507
 
        (self.mandos_serv
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         .connect_to_signal("ClientNotFound",
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                            self.client_not_found,
510
 
                            dbus_interface=server_interface,
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                            byte_arrays=True))
512
 
        for path, client in mandos_clients.iteritems():
513
 
            client_proxy_object = self.bus.get_object(self.busname,
514
 
                                                      path)
515
 
            self.add_client(MandosClientWidget(server_proxy_object
516
 
                                               =self.mandos_serv,
517
 
                                               proxy_object
518
 
                                               =client_proxy_object,
519
 
                                               properties=client,
520
 
                                               update_hook
521
 
                                               =self.refresh,
522
 
                                               delete_hook
523
 
                                               =self.remove_client,
524
 
                                               logger
525
 
                                               =self.log_message),
526
 
                            path=path)
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    def client_not_found(self, fingerprint, address):
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        self.log_message(("Client with address %s and fingerprint %s"
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                                                     self.divider)))
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        if self.log_visible:
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            self.uilist.append(self.logbox)
547
 
            pass
548
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        self.topwidget = urwid.Pile(self.uilist)
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550
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    def log_message(self, message):
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        #self.log_message("Wrap mode: " + self.log_wrap)
581
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582
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    def find_and_remove_client(self, path, name):
583
 
        """Find an client from its object path and remove it.
 
557
        """Find a client by its object path and remove it.
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585
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        This is connected to the ClientRemoved signal from the
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        Mandos server object."""
588
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            client = self.clients_dict[path]
589
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        except KeyError:
590
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            # not found?
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
591
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            return
592
 
        self.remove_client(client, path)
 
568
        client.delete()
593
569
    
594
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    def add_new_client(self, path):
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        client_proxy_object = self.bus.get_object(self.busname, path)
632
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633
609
    def run(self):
634
610
        """Start the main loop and exit when it's done."""
 
611
        self.bus = dbus.SystemBus()
 
612
        mandos_dbus_objc = self.bus.get_object(
 
613
            self.busname, "/", follow_name_owner_changes=True)
 
614
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
615
                                          dbus_interface
 
616
                                          = server_interface)
 
617
        try:
 
618
            mandos_clients = (self.mandos_serv
 
619
                              .GetAllClientsWithProperties())
 
620
        except dbus.exceptions.DBusException:
 
621
            mandos_clients = dbus.Dictionary()
 
622
        
 
623
        (self.mandos_serv
 
624
         .connect_to_signal("ClientRemoved",
 
625
                            self.find_and_remove_client,
 
626
                            dbus_interface=server_interface,
 
627
                            byte_arrays=True))
 
628
        (self.mandos_serv
 
629
         .connect_to_signal("ClientAdded",
 
630
                            self.add_new_client,
 
631
                            dbus_interface=server_interface,
 
632
                            byte_arrays=True))
 
633
        (self.mandos_serv
 
634
         .connect_to_signal("ClientNotFound",
 
635
                            self.client_not_found,
 
636
                            dbus_interface=server_interface,
 
637
                            byte_arrays=True))
 
638
        for path, client in mandos_clients.iteritems():
 
639
            client_proxy_object = self.bus.get_object(self.busname,
 
640
                                                      path)
 
641
            self.add_client(MandosClientWidget(server_proxy_object
 
642
                                               =self.mandos_serv,
 
643
                                               proxy_object
 
644
                                               =client_proxy_object,
 
645
                                               properties=client,
 
646
                                               update_hook
 
647
                                               =self.refresh,
 
648
                                               delete_hook
 
649
                                               =self.remove_client,
 
650
                                               logger
 
651
                                               =self.log_message),
 
652
                            path=path)
 
653
 
635
654
        self.refresh()
636
655
        self._input_callback_tag = (gobject.io_add_watch
637
656
                                    (sys.stdin.fileno(),