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* plugins.d/mandos-client.c (main): Do not even try to work around
                                    Debian bug 633582 if --seckey or
                                    --pubkey specifies a different
                                    directory.  Bug fix: Remove all
                                    files in GPG temporary directory.

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mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2013 Teddy Hogeborn
7
 
# Copyright © 2009-2013 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
8
# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
19
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
 
# Contact the authors at <mandos@recompile.se>.
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
24
23
# 
25
24
 
26
25
from __future__ import (division, absolute_import, print_function,
27
26
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
32
27
 
33
28
import sys
34
29
import os
40
35
import urwid
41
36
 
42
37
from dbus.mainloop.glib import DBusGMainLoop
43
 
try:
44
 
    import gobject
45
 
except ImportError:
46
 
    from gi.repository import GObject as gobject
 
38
import gobject
47
39
 
48
40
import dbus
49
41
 
 
42
import UserList
 
43
 
50
44
import locale
51
45
 
52
 
if sys.version_info[0] == 2:
53
 
    str = unicode
54
 
 
55
46
locale.setlocale(locale.LC_ALL, '')
56
47
 
57
48
import logging
58
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
59
50
 
60
51
# Some useful constants
61
 
domain = 'se.recompile'
 
52
domain = 'se.bsnet.fukt'
62
53
server_interface = domain + '.Mandos'
63
54
client_interface = domain + '.Mandos.Client'
64
 
version = "1.6.2"
 
55
version = "1.3.1"
 
56
 
 
57
# Always run in monochrome mode
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
61
# 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)
65
64
 
66
65
def isoformat_to_datetime(iso):
67
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
84
83
    properties and calls a hook function when any of them are
85
84
    changed.
86
85
    """
87
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
88
87
        self.proxy = proxy_object # Mandos Client proxy object
89
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
90
90
        self.property_changed_match = (
91
91
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self._property_changed,
 
92
                                         self.property_changed,
93
93
                                         client_interface,
94
94
                                         byte_arrays=True))
95
95
        
96
 
        if properties is None:
97
 
            self.properties.update(
98
 
                self.proxy.GetAll(client_interface,
99
 
                                  dbus_interface
100
 
                                  = dbus.PROPERTIES_IFACE))
101
 
        
102
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
103
 
    
104
 
    def _property_changed(self, property, value):
105
 
        """Helper which takes positional arguments"""
106
 
        return self.property_changed(property=property, value=value)
 
96
        self.properties.update(
 
97
            self.proxy.GetAll(client_interface,
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
107
103
    
108
104
    def property_changed(self, property=None, value=None):
109
105
        """This is called whenever we get a PropertyChanged signal
112
108
        # Update properties dict with new value
113
109
        self.properties[property] = value
114
110
    
115
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
116
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
117
115
 
118
116
 
119
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
119
    """
122
120
    
123
121
    def __init__(self, server_proxy_object=None, update_hook=None,
124
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
125
123
        # Called on update
126
124
        self.update_hook = update_hook
127
125
        # Called on delete
132
130
        self.logger = logger
133
131
        
134
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
135
135
        
136
136
        # The widget shown normally
137
137
        self._text_widget = urwid.Text("")
138
138
        # The widget shown when we have focus
139
139
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
141
143
        self.update()
142
144
        self.opened = False
143
145
        
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
147
                                                ["LastCheckedOK"])
 
148
        if last_checked_ok is None:
 
149
            self.last_checker_failed = True
 
150
        else:
 
151
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
152
                                         - last_checked_ok)
 
153
                                        > datetime.timedelta
 
154
                                        (milliseconds=
 
155
                                         self.properties
 
156
                                         ["Interval"]))
 
157
        
 
158
        if self.last_checker_failed:
 
159
            self.using_timer(True)
 
160
        
 
161
        if self.need_approval:
 
162
            self.using_timer(True)
 
163
        
144
164
        self.match_objects = (
145
165
            self.proxy.connect_to_signal("CheckerCompleted",
146
166
                                         self.checker_completed,
162
182
                                         self.rejected,
163
183
                                         client_interface,
164
184
                                         byte_arrays=True))
165
 
        #self.logger('Created client {0}'
166
 
        #            .format(self.properties["Name"]))
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
167
186
    
 
187
    def property_changed(self, property=None, value=None):
 
188
        super(self, MandosClientWidget).property_changed(property,
 
189
                                                         value)
 
190
        if property == "ApprovalPending":
 
191
            using_timer(bool(value))
 
192
        
168
193
    def using_timer(self, flag):
169
194
        """Call this method with True or False when timer should be
170
195
        activated or deactivated.
171
196
        """
172
 
        if flag and self._update_timer_callback_tag is None:
173
 
            # Will update the shown timer value every second
 
197
        old = self._update_timer_callback_lock
 
198
        if flag:
 
199
            self._update_timer_callback_lock += 1
 
200
        else:
 
201
            self._update_timer_callback_lock -= 1
 
202
        if old == 0 and self._update_timer_callback_lock:
174
203
            self._update_timer_callback_tag = (gobject.timeout_add
175
204
                                               (1000,
176
205
                                                self.update_timer))
177
 
        elif not (flag or self._update_timer_callback_tag is None):
 
206
        elif old and self._update_timer_callback_lock == 0:
178
207
            gobject.source_remove(self._update_timer_callback_tag)
179
208
            self._update_timer_callback_tag = None
180
209
    
181
210
    def checker_completed(self, exitstatus, condition, command):
182
211
        if exitstatus == 0:
 
212
            if self.last_checker_failed:
 
213
                self.last_checker_failed = False
 
214
                self.using_timer(False)
 
215
            #self.logger('Checker for client %s (command "%s")'
 
216
            #            ' was successful'
 
217
            #            % (self.properties["Name"], command))
183
218
            self.update()
184
219
            return
185
220
        # Checker failed
 
221
        if not self.last_checker_failed:
 
222
            self.last_checker_failed = True
 
223
            self.using_timer(True)
186
224
        if os.WIFEXITED(condition):
187
 
            self.logger('Checker for client {0} (command "{1}")'
188
 
                        ' failed with exit code {2}'
189
 
                        .format(self.properties["Name"], command,
190
 
                                os.WEXITSTATUS(condition)))
 
225
            self.logger('Checker for client %s (command "%s")'
 
226
                        ' failed with exit code %s'
 
227
                        % (self.properties["Name"], command,
 
228
                           os.WEXITSTATUS(condition)))
191
229
        elif os.WIFSIGNALED(condition):
192
 
            self.logger('Checker for client {0} (command "{1}") was'
193
 
                        ' killed by signal {2}'
194
 
                        .format(self.properties["Name"], command,
195
 
                                os.WTERMSIG(condition)))
 
230
            self.logger('Checker for client %s (command "%s")'
 
231
                        ' was killed by signal %s'
 
232
                        % (self.properties["Name"], command,
 
233
                           os.WTERMSIG(condition)))
196
234
        elif os.WCOREDUMP(condition):
197
 
            self.logger('Checker for client {0} (command "{1}")'
 
235
            self.logger('Checker for client %s (command "%s")'
198
236
                        ' dumped core'
199
 
                        .format(self.properties["Name"], command))
 
237
                        % (self.properties["Name"], command))
200
238
        else:
201
 
            self.logger('Checker for client {0} completed'
202
 
                        ' mysteriously'
203
 
                        .format(self.properties["Name"]))
 
239
            self.logger('Checker for client %s completed'
 
240
                        ' mysteriously')
204
241
        self.update()
205
242
    
206
243
    def checker_started(self, command):
207
 
        """Server signals that a checker started. This could be useful
208
 
           to log in the future. """
209
 
        #self.logger('Client {0} started checker "{1}"'
210
 
        #            .format(self.properties["Name"],
211
 
        #                    str(command)))
 
244
        #self.logger('Client %s started checker "%s"'
 
245
        #            % (self.properties["Name"], unicode(command)))
212
246
        pass
213
247
    
214
248
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
 
249
        self.last_checker_failed = False
 
250
        self.logger('Client %s received its secret'
 
251
                    % self.properties["Name"])
217
252
    
218
253
    def need_approval(self, timeout, default):
219
254
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
255
            message = 'Client %s needs approval within %s seconds'
221
256
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
 
257
            message = 'Client %s will get its secret in %s seconds'
 
258
        self.logger(message
 
259
                    % (self.properties["Name"], timeout/1000))
 
260
        self.using_timer(True)
225
261
    
226
262
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
 
263
        self.logger('Client %s was rejected; reason: %s'
 
264
                    % (self.properties["Name"], reason))
229
265
    
230
266
    def selectable(self):
231
267
        """Make this a "selectable" widget.
253
289
                          "bold-underline-blink":
254
290
                              "bold-underline-blink-standout",
255
291
                          }
256
 
        
 
292
 
257
293
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
294
 
259
295
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
 
296
        base = ('%(name)s: '
 
297
                      % {"name": self.properties["Name"]})
261
298
        if not self.properties["Enabled"]:
262
299
            message = "DISABLED"
263
 
            self.using_timer(False)
264
300
        elif self.properties["ApprovalPending"]:
265
301
            timeout = datetime.timedelta(milliseconds
266
302
                                         = self.properties
268
304
            last_approval_request = isoformat_to_datetime(
269
305
                self.properties["LastApprovalRequest"])
270
306
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
 
307
                timer = timeout - (datetime.datetime.utcnow()
 
308
                                   - last_approval_request)
274
309
            else:
275
310
                timer = datetime.timedelta()
276
311
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
 
312
                message = "Approval in %s. (d)eny?"
 
313
            else:
 
314
                message = "Denial in %s. (a)pprove?"
 
315
            message = message % unicode(timer).rsplit(".", 1)[0]
 
316
        elif self.last_checker_failed:
 
317
            timeout = datetime.timedelta(milliseconds
 
318
                                         = self.properties
 
319
                                         ["Timeout"])
 
320
            last_ok = isoformat_to_datetime(
 
321
                max((self.properties["LastCheckedOK"]
 
322
                     or self.properties["Created"]),
 
323
                    self.properties["LastEnabled"]))
 
324
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
292
325
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
 
326
                       ' gets disabled: %s'
 
327
                           % unicode(timer).rsplit(".", 1)[0])
296
328
        else:
297
329
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
330
        self._text = "%s%s" % (base, message)
 
331
            
301
332
        if not urwid.supports_unicode():
302
333
            self._text = self._text.encode("ascii", "replace")
303
334
        textlist = [("normal", self._text)]
315
346
            self.update_hook()
316
347
    
317
348
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
349
        "called by gobject"
320
350
        self.update()
321
351
        return True             # Keep calling this
322
352
    
323
 
    def delete(self, **kwargs):
 
353
    def delete(self, *args, **kwargs):
324
354
        if self._update_timer_callback_tag is not None:
325
355
            gobject.source_remove(self._update_timer_callback_tag)
326
356
            self._update_timer_callback_tag = None
329
359
        self.match_objects = ()
330
360
        if self.delete_hook is not None:
331
361
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
362
        return super(MandosClientWidget, self).delete(*args, **kwargs)
333
363
    
334
364
    def render(self, maxcolrow, focus=False):
335
365
        """Render differently if we have focus.
377
407
        else:
378
408
            return key
379
409
    
380
 
    def property_changed(self, property=None, **kwargs):
 
410
    def property_changed(self, property=None, value=None,
 
411
                         *args, **kwargs):
381
412
        """Call self.update() if old value is not new value.
382
413
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
414
        property_name = unicode(property)
384
415
        old_value = self.properties.get(property_name)
385
416
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
417
            property=property, value=value, *args, **kwargs)
387
418
        if self.properties.get(property_name) != old_value:
388
419
            self.update()
389
420
 
393
424
    "down" key presses, thus not allowing any containing widgets to
394
425
    use them as an excuse to shift focus away from this widget.
395
426
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
427
    def keypress(self, maxcolrow, key):
 
428
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
398
429
        if ret in ("up", "down"):
399
430
            return
400
431
        return ret
413
444
                ("normal",
414
445
                 "default", "default", None),
415
446
                ("bold",
416
 
                 "bold", "default", "bold"),
 
447
                 "default", "default", "bold"),
417
448
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
 
449
                 "default", "default", "underline"),
419
450
                ("standout",
420
 
                 "standout", "default", "standout"),
 
451
                 "default", "default", "standout"),
421
452
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
453
                 "default", "default", ("bold", "underline")),
423
454
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
 
455
                 "default", "default", ("bold", "standout")),
425
456
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
 
457
                 "default", "default", ("underline", "standout")),
428
458
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
459
                 "default", "default", ("bold", "underline",
 
460
                                          "standout")),
431
461
                ))
432
462
        
433
463
        if urwid.supports_unicode():
465
495
        
466
496
        self.busname = domain + '.Mandos'
467
497
        self.main_loop = gobject.MainLoop()
 
498
        self.bus = dbus.SystemBus()
 
499
        mandos_dbus_objc = self.bus.get_object(
 
500
            self.busname, "/", follow_name_owner_changes=True)
 
501
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
502
                                          dbus_interface
 
503
                                          = server_interface)
 
504
        try:
 
505
            mandos_clients = (self.mandos_serv
 
506
                              .GetAllClientsWithProperties())
 
507
        except dbus.exceptions.DBusException:
 
508
            mandos_clients = dbus.Dictionary()
 
509
        
 
510
        (self.mandos_serv
 
511
         .connect_to_signal("ClientRemoved",
 
512
                            self.find_and_remove_client,
 
513
                            dbus_interface=server_interface,
 
514
                            byte_arrays=True))
 
515
        (self.mandos_serv
 
516
         .connect_to_signal("ClientAdded",
 
517
                            self.add_new_client,
 
518
                            dbus_interface=server_interface,
 
519
                            byte_arrays=True))
 
520
        (self.mandos_serv
 
521
         .connect_to_signal("ClientNotFound",
 
522
                            self.client_not_found,
 
523
                            dbus_interface=server_interface,
 
524
                            byte_arrays=True))
 
525
        for path, client in mandos_clients.iteritems():
 
526
            client_proxy_object = self.bus.get_object(self.busname,
 
527
                                                      path)
 
528
            self.add_client(MandosClientWidget(server_proxy_object
 
529
                                               =self.mandos_serv,
 
530
                                               proxy_object
 
531
                                               =client_proxy_object,
 
532
                                               properties=client,
 
533
                                               update_hook
 
534
                                               =self.refresh,
 
535
                                               delete_hook
 
536
                                               =self.remove_client,
 
537
                                               logger
 
538
                                               =self.log_message),
 
539
                            path=path)
468
540
    
469
541
    def client_not_found(self, fingerprint, address):
470
 
        self.log_message("Client with address {0} and fingerprint"
471
 
                         " {1} could not be found"
472
 
                         .format(address, fingerprint))
 
542
        self.log_message(("Client with address %s and fingerprint %s"
 
543
                          " could not be found" % (address,
 
544
                                                    fingerprint)))
473
545
    
474
546
    def rebuild(self):
475
547
        """This rebuilds the User Interface.
485
557
                                                     self.divider)))
486
558
        if self.log_visible:
487
559
            self.uilist.append(self.logbox)
 
560
            pass
488
561
        self.topwidget = urwid.Pile(self.uilist)
489
562
    
490
563
    def log_message(self, message):
491
 
        """Log message formatted with timestamp"""
492
564
        timestamp = datetime.datetime.now().isoformat()
493
565
        self.log_message_raw(timestamp + ": " + message)
494
566
    
507
579
        self.log_visible = not self.log_visible
508
580
        self.rebuild()
509
581
        #self.log_message("Log visibility changed to: "
510
 
        #                 + str(self.log_visible))
 
582
        #                 + unicode(self.log_visible))
511
583
    
512
584
    def change_log_display(self):
513
585
        """Change type of log display.
529
601
            client = self.clients_dict[path]
530
602
        except KeyError:
531
603
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
 
604
            self.log_message("Unknown client %r (%r) removed", name,
 
605
                             path)
534
606
            return
535
607
        client.delete()
536
608
    
553
625
        if path is None:
554
626
            path = client.proxy.object_path
555
627
        self.clients_dict[path] = client
556
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
628
        self.clients.sort(None, lambda c: c.properties["Name"])
557
629
        self.refresh()
558
630
    
559
631
    def remove_client(self, client, path=None):
561
633
        if path is None:
562
634
            path = client.proxy.object_path
563
635
        del self.clients_dict[path]
 
636
        if not self.clients_dict:
 
637
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
638
            # is completely emptied, we need to recreate it.
 
639
            self.clients = urwid.SimpleListWalker([])
 
640
            self.rebuild()
564
641
        self.refresh()
565
642
    
566
643
    def refresh(self):
570
647
    
571
648
    def run(self):
572
649
        """Start the main loop and exit when it's done."""
573
 
        self.bus = dbus.SystemBus()
574
 
        mandos_dbus_objc = self.bus.get_object(
575
 
            self.busname, "/", follow_name_owner_changes=True)
576
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
577
 
                                          dbus_interface
578
 
                                          = server_interface)
579
 
        try:
580
 
            mandos_clients = (self.mandos_serv
581
 
                              .GetAllClientsWithProperties())
582
 
            if not mandos_clients:
583
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
584
 
        except dbus.exceptions.DBusException:
585
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
586
 
            mandos_clients = dbus.Dictionary()
587
 
        
588
 
        (self.mandos_serv
589
 
         .connect_to_signal("ClientRemoved",
590
 
                            self.find_and_remove_client,
591
 
                            dbus_interface=server_interface,
592
 
                            byte_arrays=True))
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientAdded",
595
 
                            self.add_new_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientNotFound",
600
 
                            self.client_not_found,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        for path, client in mandos_clients.items():
604
 
            client_proxy_object = self.bus.get_object(self.busname,
605
 
                                                      path)
606
 
            self.add_client(MandosClientWidget(server_proxy_object
607
 
                                               =self.mandos_serv,
608
 
                                               proxy_object
609
 
                                               =client_proxy_object,
610
 
                                               properties=client,
611
 
                                               update_hook
612
 
                                               =self.refresh,
613
 
                                               delete_hook
614
 
                                               =self.remove_client,
615
 
                                               logger
616
 
                                               =self.log_message),
617
 
                            path=path)
618
 
        
619
650
        self.refresh()
620
651
        self._input_callback_tag = (gobject.io_add_watch
621
652
                                    (sys.stdin.fileno(),
718
749
    ui.run()
719
750
except KeyboardInterrupt:
720
751
    ui.screen.stop()
721
 
except Exception as e:
722
 
    ui.log_message(str(e))
 
752
except Exception, e:
 
753
    ui.log_message(unicode(e))
723
754
    ui.screen.stop()
724
755
    raise