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* network-hooks.d: New directory.
* network-hooks.d/bridge: New example hook.
* network-hooks.d/bridge.conf: Config file for bridge example hook.

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mandos-monitor
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# 
4
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# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
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# 
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
22
# Contact the authors at <mandos@recompile.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.major == 2:
52
 
    str = unicode
53
 
 
54
46
locale.setlocale(locale.LC_ALL, '')
55
47
 
56
48
import logging
60
52
domain = 'se.recompile'
61
53
server_interface = domain + '.Mandos'
62
54
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.8"
 
55
version = "1.4.1"
 
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 {}'
165
 
                    .format(self.properties["Name"]), level=0)
 
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:
 
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:
172
203
            # Will update the shown timer value every second
173
204
            self._update_timer_callback_tag = (gobject.timeout_add
174
205
                                               (1000,
175
206
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
 
207
        elif old and self._update_timer_callback_lock == 0:
177
208
            gobject.source_remove(self._update_timer_callback_tag)
178
209
            self._update_timer_callback_tag = None
179
210
    
180
211
    def checker_completed(self, exitstatus, condition, command):
181
212
        if exitstatus == 0:
182
 
            self.logger('Checker for client {} (command "{}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            command), level=0)
 
213
            if self.last_checker_failed:
 
214
                self.last_checker_failed = False
 
215
                self.using_timer(False)
 
216
            #self.logger('Checker for client %s (command "%s")'
 
217
            #            ' was successful'
 
218
            #            % (self.properties["Name"], command))
185
219
            self.update()
186
220
            return
187
221
        # Checker failed
 
222
        if not self.last_checker_failed:
 
223
            self.last_checker_failed = True
 
224
            self.using_timer(True)
188
225
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {} (command "{}") failed'
190
 
                        ' with exit code {}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(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)))
193
230
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {} (command "{}") was'
195
 
                        ' killed by signal {}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(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)))
198
235
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {} (command "{}") dumped'
200
 
                        ' core'.format(self.properties["Name"],
201
 
                                       command))
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
202
239
        else:
203
 
            self.logger('Checker for client {} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
206
242
        self.update()
207
243
    
208
244
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {} started checker "{}"'
211
 
                    .format(self.properties["Name"],
212
 
                            command), level=0)
 
245
        #self.logger('Client %s started checker "%s"'
 
246
        #            % (self.properties["Name"], unicode(command)))
 
247
        pass
213
248
    
214
249
    def got_secret(self):
215
 
        self.logger('Client {} received its secret'
216
 
                    .format(self.properties["Name"]))
 
250
        self.last_checker_failed = False
 
251
        self.logger('Client %s received its secret'
 
252
                    % self.properties["Name"])
217
253
    
218
254
    def need_approval(self, timeout, default):
219
255
        if not default:
220
 
            message = 'Client {} needs approval within {} seconds'
 
256
            message = 'Client %s needs approval within %s seconds'
221
257
        else:
222
 
            message = 'Client {} will get its secret in {} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
 
258
            message = 'Client %s will get its secret in %s seconds'
 
259
        self.logger(message
 
260
                    % (self.properties["Name"], timeout/1000))
 
261
        self.using_timer(True)
225
262
    
226
263
    def rejected(self, reason):
227
 
        self.logger('Client {} was rejected; reason: {}'
228
 
                    .format(self.properties["Name"], reason))
 
264
        self.logger('Client %s was rejected; reason: %s'
 
265
                    % (self.properties["Name"], reason))
229
266
    
230
267
    def selectable(self):
231
268
        """Make this a "selectable" widget.
253
290
                          "bold-underline-blink":
254
291
                              "bold-underline-blink-standout",
255
292
                          }
256
 
        
 
293
 
257
294
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
295
 
259
296
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
 
297
        base = ('%(name)s: '
 
298
                      % {"name": self.properties["Name"]})
261
299
        if not self.properties["Enabled"]:
262
300
            message = "DISABLED"
263
 
            self.using_timer(False)
264
301
        elif self.properties["ApprovalPending"]:
265
302
            timeout = datetime.timedelta(milliseconds
266
303
                                         = self.properties
268
305
            last_approval_request = isoformat_to_datetime(
269
306
                self.properties["LastApprovalRequest"])
270
307
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
 
308
                timer = timeout - (datetime.datetime.utcnow()
 
309
                                   - last_approval_request)
274
310
            else:
275
311
                timer = datetime.timedelta()
276
312
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {}. (d)eny?"
 
313
                message = "Approval in %s. (d)eny?"
278
314
            else:
279
 
                message = "Denial in {}. (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
 
315
                message = "Denial in %s. (a)pprove?"
 
316
            message = message % unicode(timer).rsplit(".", 1)[0]
 
317
        elif self.last_checker_failed:
 
318
            # When checker has failed, print a timer until client expires
284
319
            expires = self.properties["Expires"]
285
320
            if expires == "":
286
321
                timer = datetime.timedelta(0)
287
322
            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())
 
323
                expires = datetime.datetime.strptime(expires,
 
324
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
325
                timer = expires - datetime.datetime.utcnow()
292
326
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
 
327
                       ' gets disabled: %s'
 
328
                           % unicode(timer).rsplit(".", 1)[0])
296
329
        else:
297
330
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{}{}".format(base, message)
300
 
        
 
331
        self._text = "%s%s" % (base, message)
 
332
            
301
333
        if not urwid.supports_unicode():
302
334
            self._text = self._text.encode("ascii", "replace")
303
335
        textlist = [("normal", self._text)]
320
352
        self.update()
321
353
        return True             # Keep calling this
322
354
    
323
 
    def delete(self, **kwargs):
 
355
    def delete(self, *args, **kwargs):
324
356
        if self._update_timer_callback_tag is not None:
325
357
            gobject.source_remove(self._update_timer_callback_tag)
326
358
            self._update_timer_callback_tag = None
329
361
        self.match_objects = ()
330
362
        if self.delete_hook is not None:
331
363
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
364
        return super(MandosClientWidget, self).delete(*args, **kwargs)
333
365
    
334
366
    def render(self, maxcolrow, focus=False):
335
367
        """Render differently if we have focus.
377
409
        else:
378
410
            return key
379
411
    
380
 
    def property_changed(self, property=None, **kwargs):
 
412
    def property_changed(self, property=None, value=None,
 
413
                         *args, **kwargs):
381
414
        """Call self.update() if old value is not new value.
382
415
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
416
        property_name = unicode(property)
384
417
        old_value = self.properties.get(property_name)
385
418
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
419
            property=property, value=value, *args, **kwargs)
387
420
        if self.properties.get(property_name) != old_value:
388
421
            self.update()
389
422
 
393
426
    "down" key presses, thus not allowing any containing widgets to
394
427
    use them as an excuse to shift focus away from this widget.
395
428
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
429
    def keypress(self, maxcolrow, key):
 
430
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
398
431
        if ret in ("up", "down"):
399
432
            return
400
433
        return ret
404
437
    """This is the entire user interface - the whole screen
405
438
    with boxes, lists of client widgets, etc.
406
439
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
440
    def __init__(self, max_log_length=1000):
408
441
        DBusGMainLoop(set_as_default=True)
409
442
        
410
443
        self.screen = urwid.curses_display.Screen()
413
446
                ("normal",
414
447
                 "default", "default", None),
415
448
                ("bold",
416
 
                 "bold", "default", "bold"),
 
449
                 "default", "default", "bold"),
417
450
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
 
451
                 "default", "default", "underline"),
419
452
                ("standout",
420
 
                 "standout", "default", "standout"),
 
453
                 "default", "default", "standout"),
421
454
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
455
                 "default", "default", ("bold", "underline")),
423
456
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
 
457
                 "default", "default", ("bold", "standout")),
425
458
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
 
459
                 "default", "default", ("underline", "standout")),
428
460
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
461
                 "default", "default", ("bold", "underline",
 
462
                                          "standout")),
431
463
                ))
432
464
        
433
465
        if urwid.supports_unicode():
448
480
        self.log = []
449
481
        self.max_log_length = max_log_length
450
482
        
451
 
        self.log_level = log_level
452
 
        
453
483
        # We keep a reference to the log widget so we can remove it
454
484
        # from the ListWalker without it getting destroyed
455
485
        self.logbox = ConstrainedListBox(self.log)
467
497
        
468
498
        self.busname = domain + '.Mandos'
469
499
        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)
470
542
    
471
543
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {} and fingerprint {}"
473
 
                         " could not be found"
474
 
                         .format(address, fingerprint))
 
544
        self.log_message(("Client with address %s and fingerprint %s"
 
545
                          " could not be found" % (address,
 
546
                                                    fingerprint)))
475
547
    
476
548
    def rebuild(self):
477
549
        """This rebuilds the User Interface.
487
559
                                                     self.divider)))
488
560
        if self.log_visible:
489
561
            self.uilist.append(self.logbox)
 
562
            pass
490
563
        self.topwidget = urwid.Pile(self.uilist)
491
564
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
565
    def log_message(self, message):
496
566
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{}: {}".format(timestamp, message),
498
 
                             level=level)
 
567
        self.log_message_raw(timestamp + ": " + message)
499
568
    
500
 
    def log_message_raw(self, markup, level=1):
 
569
    def log_message_raw(self, markup):
501
570
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
571
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
572
        if (self.max_log_length
506
573
            and len(self.log) > self.max_log_length):
513
580
        """Toggle visibility of the log buffer."""
514
581
        self.log_visible = not self.log_visible
515
582
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {}"
517
 
                         .format(self.log_visible), level=0)
 
583
        #self.log_message("Log visibility changed to: "
 
584
        #                 + unicode(self.log_visible))
518
585
    
519
586
    def change_log_display(self):
520
587
        """Change type of log display.
525
592
            self.log_wrap = "clip"
526
593
        for textwidget in self.log:
527
594
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
529
 
                         level=0)
 
595
        #self.log_message("Wrap mode: " + self.log_wrap)
530
596
    
531
597
    def find_and_remove_client(self, path, name):
532
598
        """Find a client by its object path and remove it.
537
603
            client = self.clients_dict[path]
538
604
        except KeyError:
539
605
            # not found?
540
 
            self.log_message("Unknown client {!r} ({!r}) removed"
541
 
                             .format(name, path))
 
606
            self.log_message("Unknown client %r (%r) removed", name,
 
607
                             path)
542
608
            return
543
609
        client.delete()
544
610
    
561
627
        if path is None:
562
628
            path = client.proxy.object_path
563
629
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
630
        self.clients.sort(None, lambda c: c.properties["Name"])
565
631
        self.refresh()
566
632
    
567
633
    def remove_client(self, client, path=None):
569
635
        if path is None:
570
636
            path = client.proxy.object_path
571
637
        del self.clients_dict[path]
 
638
        if not self.clients_dict:
 
639
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
640
            # is completely emptied, we need to recreate it.
 
641
            self.clients = urwid.SimpleListWalker([])
 
642
            self.rebuild()
572
643
        self.refresh()
573
644
    
574
645
    def refresh(self):
578
649
    
579
650
    def run(self):
580
651
        """Start the main loop and exit when it's done."""
581
 
        self.bus = dbus.SystemBus()
582
 
        mandos_dbus_objc = self.bus.get_object(
583
 
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
 
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
 
            mandos_clients = dbus.Dictionary()
595
 
        
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
625
 
                            path=path)
626
 
        
627
652
        self.refresh()
628
653
        self._input_callback_tag = (gobject.io_add_watch
629
654
                                    (sys.stdin.fileno(),
661
686
            elif key == "window resize":
662
687
                self.size = self.screen.get_cols_rows()
663
688
                self.refresh()
664
 
            elif key == "ctrl l":
665
 
                self.screen.clear()
 
689
            elif key == "\f":  # Ctrl-L
666
690
                self.refresh()
667
691
            elif key == "l" or key == "D":
668
692
                self.toggle_log_display()
680
704
                                            "?: Help",
681
705
                                            "l: Log window toggle",
682
706
                                            "TAB: Switch window",
683
 
                                            "w: Wrap (log lines)",
684
 
                                            "v: Toggle verbose log",
685
 
                                            ))))
 
707
                                            "w: Wrap (log)"))))
686
708
                self.log_message_raw(("bold",
687
709
                                      "  "
688
710
                                      .join(("Clients:",
701
723
                else:
702
724
                    self.topwidget.set_focus(self.logbox)
703
725
                self.refresh()
704
 
            elif key == "v":
705
 
                if self.log_level == 0:
706
 
                    self.log_level = 1
707
 
                    self.log_message("Verbose mode: Off")
708
 
                else:
709
 
                    self.log_level = 0
710
 
                    self.log_message("Verbose mode: On")
711
726
            #elif (key == "end" or key == "meta >" or key == "G"
712
727
            #      or key == ">"):
713
728
            #    pass            # xxx end-of-buffer
736
751
    ui.run()
737
752
except KeyboardInterrupt:
738
753
    ui.screen.stop()
739
 
except Exception as e:
740
 
    ui.log_message(str(e))
 
754
except Exception, e:
 
755
    ui.log_message(unicode(e))
741
756
    ui.screen.stop()
742
757
    raise