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* mandos-ctl (main): Use D-Bus properties instead of methods.

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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 © 2009-2012 Teddy Hogeborn
 
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# Copyright © 2009-2012 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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# 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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# 
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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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# 
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from __future__ import (division, absolute_import, print_function,
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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# Some useful constants
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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'
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version = "1.3.1"
 
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version = "1.5.3"
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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._update_timer_callback_tag = None
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        self._update_timer_callback_lock = 0
134
 
        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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        last_checked_ok = isoformat_to_datetime(self.properties
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                                                ["LastCheckedOK"])
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        if last_checked_ok is None:
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            self.last_checker_failed = True
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        else:
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            self.last_checker_failed = ((datetime.datetime.utcnow()
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                                         - last_checked_ok)
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                                        > datetime.timedelta
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                                        (milliseconds=
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                                         self.properties
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                                         ["Interval"]))
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        if self.last_checker_failed:
 
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        if self.properties ["LastCheckerStatus"] != 0:
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            self.using_timer(True)
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        if self.need_approval:
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                                         self.rejected,
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                                         client_interface,
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                                         byte_arrays=True))
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        #self.logger('Created client %s' % (self.properties["Name"]))
 
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        #self.logger('Created client {0}'
 
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        #            .format(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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                                                         value)
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        if property == "ApprovalPending":
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            using_timer(bool(value))
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        if property == "LastCheckerStatus":
 
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            using_timer(value != 0)
 
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            #self.logger('Checker for client {0} (command "{1}") was '
 
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            #            ' successful'.format(self.properties["Name"],
 
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            #                                 command))
 
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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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    def checker_completed(self, exitstatus, condition, command):
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        if exitstatus == 0:
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            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.update()
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            return
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        # Checker failed
222
 
        if not self.last_checker_failed:
223
 
            self.last_checker_failed = True
224
 
            self.using_timer(True)
225
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        if os.WIFEXITED(condition):
226
 
            self.logger('Checker for client %s (command "%s")'
227
 
                        ' failed with exit code %s'
228
 
                        % (self.properties["Name"], command,
229
 
                           os.WEXITSTATUS(condition)))
 
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            self.logger('Checker for client {0} (command "{1}")'
 
214
                        ' failed with exit code {2}'
 
215
                        .format(self.properties["Name"], command,
 
216
                                os.WEXITSTATUS(condition)))
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        elif os.WIFSIGNALED(condition):
231
 
            self.logger('Checker for client %s (command "%s")'
232
 
                        ' was killed by signal %s'
233
 
                        % (self.properties["Name"], command,
234
 
                           os.WTERMSIG(condition)))
 
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            self.logger('Checker for client {0} (command "{1}") was'
 
219
                        ' killed by signal {2}'
 
220
                        .format(self.properties["Name"], command,
 
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                                os.WTERMSIG(condition)))
235
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        elif os.WCOREDUMP(condition):
236
 
            self.logger('Checker for client %s (command "%s")'
 
223
            self.logger('Checker for client {0} (command "{1}")'
237
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                        ' dumped core'
238
 
                        % (self.properties["Name"], command))
 
225
                        .format(self.properties["Name"], command))
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        else:
240
 
            self.logger('Checker for client %s completed'
241
 
                        ' mysteriously')
 
227
            self.logger('Checker for client {0} completed'
 
228
                        ' mysteriously'
 
229
                        .format(self.properties["Name"]))
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        self.update()
243
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    def checker_started(self, command):
245
 
        #self.logger('Client %s started checker "%s"'
246
 
        #            % (self.properties["Name"], unicode(command)))
 
233
        """Server signals that a checker started. This could be useful
 
234
           to log in the future. """
 
235
        #self.logger('Client {0} started checker "{1}"'
 
236
        #            .format(self.properties["Name"],
 
237
        #                    unicode(command)))
247
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        pass
248
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249
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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"])
 
241
        self.logger('Client {0} received its secret'
 
242
                    .format(self.properties["Name"]))
253
243
    
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    def need_approval(self, timeout, default):
255
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        if not default:
256
 
            message = 'Client %s needs approval within %s seconds'
 
246
            message = 'Client {0} needs approval within {1} seconds'
257
247
        else:
258
 
            message = 'Client %s will get its secret in %s seconds'
259
 
        self.logger(message
260
 
                    % (self.properties["Name"], timeout/1000))
 
248
            message = 'Client {0} will get its secret in {1} seconds'
 
249
        self.logger(message.format(self.properties["Name"],
 
250
                                   timeout/1000))
261
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        self.using_timer(True)
262
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    def rejected(self, reason):
264
 
        self.logger('Client %s was rejected; reason: %s'
265
 
                    % (self.properties["Name"], reason))
 
254
        self.logger('Client {0} was rejected; reason: {1}'
 
255
                    .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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        # Rebuild focus and non-focus widgets using current properties
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296
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        # Base part of a client. Name!
297
 
        base = ('%(name)s: '
298
 
                      % {"name": self.properties["Name"]})
 
287
        base = '{name}: '.format(name=self.properties["Name"])
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        if not self.properties["Enabled"]:
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            message = "DISABLED"
301
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        elif self.properties["ApprovalPending"]:
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            else:
311
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                timer = datetime.timedelta()
312
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            if self.properties["ApprovedByDefault"]:
313
 
                message = "Approval in %s. (d)eny?"
 
302
                message = "Approval in {0}. (d)eny?"
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            else:
315
 
                message = "Denial in %s. (a)pprove?"
316
 
            message = message % unicode(timer).rsplit(".", 1)[0]
317
 
        elif self.last_checker_failed:
 
304
                message = "Denial in {0}. (a)pprove?"
 
305
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
306
        elif self.properties["LastCheckerStatus"] != 0:
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            # When checker has failed, print a timer until client expires
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            expires = self.properties["Expires"]
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            if expires == "":
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                                                     '%Y-%m-%dT%H:%M:%S.%f')
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                timer = expires - datetime.datetime.utcnow()
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            message = ('A checker has failed! Time until client'
327
 
                       ' gets disabled: %s'
328
 
                           % unicode(timer).rsplit(".", 1)[0])
 
316
                       ' gets disabled: {0}'
 
317
                       .format(unicode(timer).rsplit(".", 1)[0]))
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        else:
330
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            message = "enabled"
331
 
        self._text = "%s%s" % (base, message)
 
320
        self._text = "{0}{1}".format(base, message)
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        if not urwid.supports_unicode():
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            self._text = self._text.encode("ascii", "replace")
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        self.busname = domain + '.Mandos'
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        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
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    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)))
 
491
        self.log_message("Client with address {0} and fingerprint"
 
492
                         " {1} could not be found"
 
493
                         .format(address, fingerprint))
547
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548
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    def rebuild(self):
549
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        """This rebuilds the User Interface.
559
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                                                     self.divider)))
560
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        if self.log_visible:
561
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            self.uilist.append(self.logbox)
562
 
            pass
563
509
        self.topwidget = urwid.Pile(self.uilist)
564
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565
511
    def log_message(self, message):
603
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            client = self.clients_dict[path]
604
550
        except KeyError:
605
551
            # not found?
606
 
            self.log_message("Unknown client %r (%r) removed", name,
607
 
                             path)
 
552
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
553
                             .format(name, path))
608
554
            return
609
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        client.delete()
610
556
    
649
595
    
650
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    def run(self):
651
597
        """Start the main loop and exit when it's done."""
 
598
        self.bus = dbus.SystemBus()
 
599
        mandos_dbus_objc = self.bus.get_object(
 
600
            self.busname, "/", follow_name_owner_changes=True)
 
601
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
602
                                          dbus_interface
 
603
                                          = server_interface)
 
604
        try:
 
605
            mandos_clients = (self.mandos_serv
 
606
                              .GetAllClientsWithProperties())
 
607
        except dbus.exceptions.DBusException:
 
608
            mandos_clients = dbus.Dictionary()
 
609
        
 
610
        (self.mandos_serv
 
611
         .connect_to_signal("ClientRemoved",
 
612
                            self.find_and_remove_client,
 
613
                            dbus_interface=server_interface,
 
614
                            byte_arrays=True))
 
615
        (self.mandos_serv
 
616
         .connect_to_signal("ClientAdded",
 
617
                            self.add_new_client,
 
618
                            dbus_interface=server_interface,
 
619
                            byte_arrays=True))
 
620
        (self.mandos_serv
 
621
         .connect_to_signal("ClientNotFound",
 
622
                            self.client_not_found,
 
623
                            dbus_interface=server_interface,
 
624
                            byte_arrays=True))
 
625
        for path, client in mandos_clients.iteritems():
 
626
            client_proxy_object = self.bus.get_object(self.busname,
 
627
                                                      path)
 
628
            self.add_client(MandosClientWidget(server_proxy_object
 
629
                                               =self.mandos_serv,
 
630
                                               proxy_object
 
631
                                               =client_proxy_object,
 
632
                                               properties=client,
 
633
                                               update_hook
 
634
                                               =self.refresh,
 
635
                                               delete_hook
 
636
                                               =self.remove_client,
 
637
                                               logger
 
638
                                               =self.log_message),
 
639
                            path=path)
 
640
 
652
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        self.refresh()
653
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        self._input_callback_tag = (gobject.io_add_watch
654
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                                    (sys.stdin.fileno(),