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mandos-monitor
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# 
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# Mandos Monitor - Control and monitor the Mandos server
5
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# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
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# 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
 
30
import signal
35
31
 
36
32
import datetime
37
33
 
39
35
import urwid
40
36
 
41
37
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
38
import gobject
46
39
 
47
40
import dbus
48
41
 
 
42
import UserList
 
43
 
49
44
import locale
50
45
 
51
 
if sys.version_info[0] == 2:
52
 
    str = unicode
53
 
 
54
46
locale.setlocale(locale.LC_ALL, '')
55
47
 
56
48
import logging
57
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
50
 
59
51
# Some useful constants
60
 
domain = 'se.recompile'
 
52
domain = 'se.bsnet.fukt'
61
53
server_interface = domain + '.Mandos'
62
54
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.5"
 
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)
64
64
 
65
65
def isoformat_to_datetime(iso):
66
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
83
83
    properties and calls a hook function when any of them are
84
84
    changed.
85
85
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
87
87
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
89
90
        self.property_changed_match = (
90
91
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
 
92
                                         self.property_changed,
92
93
                                         client_interface,
93
94
                                         byte_arrays=True))
94
95
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        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)
106
103
    
107
104
    def property_changed(self, property=None, value=None):
108
105
        """This is called whenever we get a PropertyChanged signal
111
108
        # Update properties dict with new value
112
109
        self.properties[property] = value
113
110
    
114
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
115
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
116
115
 
117
116
 
118
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
119
    """
121
120
    
122
121
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
124
123
        # Called on update
125
124
        self.update_hook = update_hook
126
125
        # Called on delete
131
130
        self.logger = logger
132
131
        
133
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
134
135
        
135
136
        # The widget shown normally
136
137
        self._text_widget = urwid.Text("")
137
138
        # The widget shown when we have focus
138
139
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
140
143
        self.update()
141
144
        self.opened = False
142
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
        
143
164
        self.match_objects = (
144
165
            self.proxy.connect_to_signal("CheckerCompleted",
145
166
                                         self.checker_completed,
161
182
                                         self.rejected,
162
183
                                         client_interface,
163
184
                                         byte_arrays=True))
164
 
        #self.logger('Created client {0}'
165
 
        #            .format(self.properties["Name"]))
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
166
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
        
167
193
    def using_timer(self, flag):
168
194
        """Call this method with True or False when timer should be
169
195
        activated or deactivated.
170
196
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # 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:
173
203
            self._update_timer_callback_tag = (gobject.timeout_add
174
204
                                               (1000,
175
205
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
 
206
        elif old and self._update_timer_callback_lock == 0:
177
207
            gobject.source_remove(self._update_timer_callback_tag)
178
208
            self._update_timer_callback_tag = None
179
209
    
180
210
    def checker_completed(self, exitstatus, condition, command):
181
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))
182
218
            self.update()
183
219
            return
184
220
        # Checker failed
 
221
        if not self.last_checker_failed:
 
222
            self.last_checker_failed = True
 
223
            self.using_timer(True)
185
224
        if os.WIFEXITED(condition):
186
 
            self.logger('Checker for client {0} (command "{1}")'
187
 
                        ' failed with exit code {2}'
188
 
                        .format(self.properties["Name"], command,
189
 
                                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)))
190
229
        elif os.WIFSIGNALED(condition):
191
 
            self.logger('Checker for client {0} (command "{1}") was'
192
 
                        ' killed by signal {2}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                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)))
195
234
        elif os.WCOREDUMP(condition):
196
 
            self.logger('Checker for client {0} (command "{1}")'
 
235
            self.logger('Checker for client %s (command "%s")'
197
236
                        ' dumped core'
198
 
                        .format(self.properties["Name"], command))
 
237
                        % (self.properties["Name"], command))
199
238
        else:
200
 
            self.logger('Checker for client {0} completed'
201
 
                        ' mysteriously'
202
 
                        .format(self.properties["Name"]))
 
239
            self.logger('Checker for client %s completed'
 
240
                        ' mysteriously')
203
241
        self.update()
204
242
    
205
243
    def checker_started(self, command):
206
 
        """Server signals that a checker started. This could be useful
207
 
           to log in the future. """
208
 
        #self.logger('Client {0} started checker "{1}"'
209
 
        #            .format(self.properties["Name"],
210
 
        #                    str(command)))
 
244
        #self.logger('Client %s started checker "%s"'
 
245
        #            % (self.properties["Name"], unicode(command)))
211
246
        pass
212
247
    
213
248
    def got_secret(self):
214
 
        self.logger('Client {0} received its secret'
215
 
                    .format(self.properties["Name"]))
 
249
        self.last_checker_failed = False
 
250
        self.logger('Client %s received its secret'
 
251
                    % self.properties["Name"])
216
252
    
217
253
    def need_approval(self, timeout, default):
218
254
        if not default:
219
 
            message = 'Client {0} needs approval within {1} seconds'
 
255
            message = 'Client %s needs approval within %s seconds'
220
256
        else:
221
 
            message = 'Client {0} will get its secret in {1} seconds'
222
 
        self.logger(message.format(self.properties["Name"],
223
 
                                   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)
224
261
    
225
262
    def rejected(self, reason):
226
 
        self.logger('Client {0} was rejected; reason: {1}'
227
 
                    .format(self.properties["Name"], reason))
 
263
        self.logger('Client %s was rejected; reason: %s'
 
264
                    % (self.properties["Name"], reason))
228
265
    
229
266
    def selectable(self):
230
267
        """Make this a "selectable" widget.
252
289
                          "bold-underline-blink":
253
290
                              "bold-underline-blink-standout",
254
291
                          }
255
 
        
 
292
 
256
293
        # Rebuild focus and non-focus widgets using current properties
257
 
        
 
294
 
258
295
        # Base part of a client. Name!
259
 
        base = '{name}: '.format(name=self.properties["Name"])
 
296
        base = ('%(name)s: '
 
297
                      % {"name": self.properties["Name"]})
260
298
        if not self.properties["Enabled"]:
261
299
            message = "DISABLED"
262
 
            self.using_timer(False)
263
300
        elif self.properties["ApprovalPending"]:
264
301
            timeout = datetime.timedelta(milliseconds
265
302
                                         = self.properties
267
304
            last_approval_request = isoformat_to_datetime(
268
305
                self.properties["LastApprovalRequest"])
269
306
            if last_approval_request is not None:
270
 
                timer = max(timeout - (datetime.datetime.utcnow()
271
 
                                       - last_approval_request),
272
 
                            datetime.timedelta())
 
307
                timer = timeout - (datetime.datetime.utcnow()
 
308
                                   - last_approval_request)
273
309
            else:
274
310
                timer = datetime.timedelta()
275
311
            if self.properties["ApprovedByDefault"]:
276
 
                message = "Approval in {0}. (d)eny?"
277
 
            else:
278
 
                message = "Denial in {0}. (a)pprove?"
279
 
            message = message.format(str(timer).rsplit(".", 1)[0])
280
 
            self.using_timer(True)
281
 
        elif self.properties["LastCheckerStatus"] != 0:
282
 
            # When checker has failed, show timer until client expires
283
 
            expires = self.properties["Expires"]
284
 
            if expires == "":
285
 
                timer = datetime.timedelta(0)
286
 
            else:
287
 
                expires = (datetime.datetime.strptime
288
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
289
 
                timer = max(expires - datetime.datetime.utcnow(),
290
 
                            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)
291
325
            message = ('A checker has failed! Time until client'
292
 
                       ' gets disabled: {0}'
293
 
                       .format(str(timer).rsplit(".", 1)[0]))
294
 
            self.using_timer(True)
 
326
                       ' gets disabled: %s'
 
327
                           % unicode(timer).rsplit(".", 1)[0])
295
328
        else:
296
329
            message = "enabled"
297
 
            self.using_timer(False)
298
 
        self._text = "{0}{1}".format(base, message)
299
 
        
 
330
        self._text = "%s%s" % (base, message)
 
331
            
300
332
        if not urwid.supports_unicode():
301
333
            self._text = self._text.encode("ascii", "replace")
302
334
        textlist = [("normal", self._text)]
314
346
            self.update_hook()
315
347
    
316
348
    def update_timer(self):
317
 
        """called by gobject. Will indefinitely loop until
318
 
        gobject.source_remove() on tag is called"""
 
349
        "called by gobject"
319
350
        self.update()
320
351
        return True             # Keep calling this
321
352
    
322
 
    def delete(self, **kwargs):
 
353
    def delete(self, *args, **kwargs):
323
354
        if self._update_timer_callback_tag is not None:
324
355
            gobject.source_remove(self._update_timer_callback_tag)
325
356
            self._update_timer_callback_tag = None
328
359
        self.match_objects = ()
329
360
        if self.delete_hook is not None:
330
361
            self.delete_hook(self)
331
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
362
        return super(MandosClientWidget, self).delete(*args, **kwargs)
332
363
    
333
364
    def render(self, maxcolrow, focus=False):
334
365
        """Render differently if we have focus.
376
407
        else:
377
408
            return key
378
409
    
379
 
    def property_changed(self, property=None, **kwargs):
 
410
    def property_changed(self, property=None, value=None,
 
411
                         *args, **kwargs):
380
412
        """Call self.update() if old value is not new value.
381
413
        This overrides the method from MandosClientPropertyCache"""
382
 
        property_name = str(property)
 
414
        property_name = unicode(property)
383
415
        old_value = self.properties.get(property_name)
384
416
        super(MandosClientWidget, self).property_changed(
385
 
            property=property, **kwargs)
 
417
            property=property, value=value, *args, **kwargs)
386
418
        if self.properties.get(property_name) != old_value:
387
419
            self.update()
388
420
 
392
424
    "down" key presses, thus not allowing any containing widgets to
393
425
    use them as an excuse to shift focus away from this widget.
394
426
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
427
    def keypress(self, maxcolrow, key):
 
428
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
397
429
        if ret in ("up", "down"):
398
430
            return
399
431
        return ret
412
444
                ("normal",
413
445
                 "default", "default", None),
414
446
                ("bold",
415
 
                 "bold", "default", "bold"),
 
447
                 "default", "default", "bold"),
416
448
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
 
449
                 "default", "default", "underline"),
418
450
                ("standout",
419
 
                 "standout", "default", "standout"),
 
451
                 "default", "default", "standout"),
420
452
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
453
                 "default", "default", ("bold", "underline")),
422
454
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
 
455
                 "default", "default", ("bold", "standout")),
424
456
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
 
457
                 "default", "default", ("underline", "standout")),
427
458
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "bold,underline,blink,standout"),
 
459
                 "default", "default", ("bold", "underline",
 
460
                                          "standout")),
430
461
                ))
431
462
        
432
463
        if urwid.supports_unicode():
464
495
        
465
496
        self.busname = domain + '.Mandos'
466
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)
467
540
    
468
541
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {0} and fingerprint"
470
 
                         " {1} could not be found"
471
 
                         .format(address, fingerprint))
 
542
        self.log_message(("Client with address %s and fingerprint %s"
 
543
                          " could not be found" % (address,
 
544
                                                    fingerprint)))
472
545
    
473
546
    def rebuild(self):
474
547
        """This rebuilds the User Interface.
484
557
                                                     self.divider)))
485
558
        if self.log_visible:
486
559
            self.uilist.append(self.logbox)
 
560
            pass
487
561
        self.topwidget = urwid.Pile(self.uilist)
488
562
    
489
563
    def log_message(self, message):
490
 
        """Log message formatted with timestamp"""
491
564
        timestamp = datetime.datetime.now().isoformat()
492
565
        self.log_message_raw(timestamp + ": " + message)
493
566
    
506
579
        self.log_visible = not self.log_visible
507
580
        self.rebuild()
508
581
        #self.log_message("Log visibility changed to: "
509
 
        #                 + str(self.log_visible))
 
582
        #                 + unicode(self.log_visible))
510
583
    
511
584
    def change_log_display(self):
512
585
        """Change type of log display.
528
601
            client = self.clients_dict[path]
529
602
        except KeyError:
530
603
            # not found?
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
532
 
                             .format(name, path))
 
604
            self.log_message("Unknown client %r (%r) removed", name,
 
605
                             path)
533
606
            return
534
607
        client.delete()
535
608
    
552
625
        if path is None:
553
626
            path = client.proxy.object_path
554
627
        self.clients_dict[path] = client
555
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
628
        self.clients.sort(None, lambda c: c.properties["Name"])
556
629
        self.refresh()
557
630
    
558
631
    def remove_client(self, client, path=None):
560
633
        if path is None:
561
634
            path = client.proxy.object_path
562
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()
563
641
        self.refresh()
564
642
    
565
643
    def refresh(self):
569
647
    
570
648
    def run(self):
571
649
        """Start the main loop and exit when it's done."""
572
 
        self.bus = dbus.SystemBus()
573
 
        mandos_dbus_objc = self.bus.get_object(
574
 
            self.busname, "/", follow_name_owner_changes=True)
575
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
576
 
                                          dbus_interface
577
 
                                          = server_interface)
578
 
        try:
579
 
            mandos_clients = (self.mandos_serv
580
 
                              .GetAllClientsWithProperties())
581
 
            if not mandos_clients:
582
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
583
 
        except dbus.exceptions.DBusException:
584
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
585
 
            mandos_clients = dbus.Dictionary()
586
 
        
587
 
        (self.mandos_serv
588
 
         .connect_to_signal("ClientRemoved",
589
 
                            self.find_and_remove_client,
590
 
                            dbus_interface=server_interface,
591
 
                            byte_arrays=True))
592
 
        (self.mandos_serv
593
 
         .connect_to_signal("ClientAdded",
594
 
                            self.add_new_client,
595
 
                            dbus_interface=server_interface,
596
 
                            byte_arrays=True))
597
 
        (self.mandos_serv
598
 
         .connect_to_signal("ClientNotFound",
599
 
                            self.client_not_found,
600
 
                            dbus_interface=server_interface,
601
 
                            byte_arrays=True))
602
 
        for path, client in mandos_clients.items():
603
 
            client_proxy_object = self.bus.get_object(self.busname,
604
 
                                                      path)
605
 
            self.add_client(MandosClientWidget(server_proxy_object
606
 
                                               =self.mandos_serv,
607
 
                                               proxy_object
608
 
                                               =client_proxy_object,
609
 
                                               properties=client,
610
 
                                               update_hook
611
 
                                               =self.refresh,
612
 
                                               delete_hook
613
 
                                               =self.remove_client,
614
 
                                               logger
615
 
                                               =self.log_message),
616
 
                            path=path)
617
 
        
618
650
        self.refresh()
619
651
        self._input_callback_tag = (gobject.io_add_watch
620
652
                                    (sys.stdin.fileno(),
717
749
    ui.run()
718
750
except KeyboardInterrupt:
719
751
    ui.screen.stop()
720
 
except Exception as e:
721
 
    ui.log_message(str(e))
 
752
except Exception, e:
 
753
    ui.log_message(unicode(e))
722
754
    ui.screen.stop()
723
755
    raise