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  • Committer: Teddy Hogeborn
  • Date: 2015-07-08 21:18:49 UTC
  • Revision ID: teddy@recompile.se-20150708211849-scisutuofnxumqc7
mandos-client: Add --dh-params FILE option.

* plugins.d/mandos-client.c: Added --dh-params FILE option.
  (init_gnutls_global): New "dhparamsfilename" argument.  All callers
                        changed.  Read and use Diffie-Hellman
                        parameters from it.  Bug fix:  check for error
                        when opening seckeyfile for the second time.
  (init_gnutls_session): Remove unnecessary call to
                         gnutls_dh_set_prime_bits();
  (main): New variable "dh_params_file".
  (main/argp_options): Added "--dh-params" option.
  (main/parse_opt): - '' -
* plugins.d/mandos-client.xml (SYNOPSIS): Add --dh-params option.
  (OPTIONS): Document --dh-params option and document that the
             --dh-bits options is potentially overridden by the
             --dh-params option.

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Lines of Context:
mandos-monitor
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3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2011 Teddy Hogeborn
7
 
# Copyright © 2009-2011 Björn Påhlsson
 
6
# Copyright © 2009-2015 Teddy Hogeborn
 
7
# Copyright © 2009-2015 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 <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
21
22
# 
22
23
# Contact the authors at <mandos@recompile.se>.
23
24
# 
24
25
 
25
26
from __future__ import (division, absolute_import, print_function,
26
27
                        unicode_literals)
 
28
try:
 
29
    from future_builtins import *
 
30
except ImportError:
 
31
    pass
27
32
 
28
33
import sys
29
34
import os
30
 
import signal
31
35
 
32
36
import datetime
33
37
 
35
39
import urwid
36
40
 
37
41
from dbus.mainloop.glib import DBusGMainLoop
38
 
import gobject
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
39
46
 
40
47
import dbus
41
48
 
42
 
import UserList
43
 
 
44
49
import locale
45
50
 
 
51
if sys.version_info.major == 2:
 
52
    str = unicode
 
53
 
46
54
locale.setlocale(locale.LC_ALL, '')
47
55
 
48
56
import logging
52
60
domain = 'se.recompile'
53
61
server_interface = domain + '.Mandos'
54
62
client_interface = domain + '.Mandos.Client'
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)
 
63
version = "1.6.9"
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, *args, **kwargs):
 
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
87
87
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        
89
 
        self.properties = dict()
 
88
        self.properties = dict() if properties is None else properties
90
89
        self.property_changed_match = (
91
 
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self.property_changed,
93
 
                                         client_interface,
 
90
            self.proxy.connect_to_signal("PropertiesChanged",
 
91
                                         self.properties_changed,
 
92
                                         dbus.PROPERTIES_IFACE,
94
93
                                         byte_arrays=True))
95
94
        
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)
 
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)
103
102
    
104
 
    def property_changed(self, property=None, value=None):
105
 
        """This is called whenever we get a PropertyChanged signal
106
 
        It updates the changed property in the "properties" dict.
 
103
    def properties_changed(self, interface, properties, invalidated):
 
104
        """This is called whenever we get a PropertiesChanged signal
 
105
        It updates the changed properties in the "properties" dict.
107
106
        """
108
107
        # Update properties dict with new value
109
 
        self.properties[property] = value
 
108
        self.properties.update(properties)
110
109
    
111
 
    def delete(self, *args, **kwargs):
 
110
    def delete(self):
112
111
        self.property_changed_match.remove()
113
 
        super(MandosClientPropertyCache, self).__init__(
114
 
            *args, **kwargs)
115
112
 
116
113
 
117
114
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
116
    """
120
117
    
121
118
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
119
                 delete_hook=None, logger=None, **kwargs):
123
120
        # Called on update
124
121
        self.update_hook = update_hook
125
122
        # Called on delete
130
127
        self.logger = logger
131
128
        
132
129
        self._update_timer_callback_tag = None
133
 
        self._update_timer_callback_lock = 0
134
 
        self.last_checker_failed = False
135
130
        
136
131
        # The widget shown normally
137
132
        self._text_widget = urwid.Text("")
138
133
        # The widget shown when we have focus
139
134
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(
141
 
            update_hook=update_hook, delete_hook=delete_hook,
142
 
            *args, **kwargs)
 
135
        super(MandosClientWidget, self).__init__(**kwargs)
143
136
        self.update()
144
137
        self.opened = False
145
138
        
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
 
        
164
139
        self.match_objects = (
165
140
            self.proxy.connect_to_signal("CheckerCompleted",
166
141
                                         self.checker_completed,
182
157
                                         self.rejected,
183
158
                                         client_interface,
184
159
                                         byte_arrays=True))
185
 
        #self.logger('Created client %s' % (self.properties["Name"]))
 
160
        self.logger('Created client {}'
 
161
                    .format(self.properties["Name"]), level=0)
186
162
    
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
 
        
193
163
    def using_timer(self, flag):
194
164
        """Call this method with True or False when timer should be
195
165
        activated or deactivated.
196
166
        """
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:
 
167
        if flag and self._update_timer_callback_tag is None:
203
168
            # Will update the shown timer value every second
204
169
            self._update_timer_callback_tag = (gobject.timeout_add
205
170
                                               (1000,
206
171
                                                self.update_timer))
207
 
        elif old and self._update_timer_callback_lock == 0:
 
172
        elif not (flag or self._update_timer_callback_tag is None):
208
173
            gobject.source_remove(self._update_timer_callback_tag)
209
174
            self._update_timer_callback_tag = None
210
175
    
211
 
    def checker_completed(self, exitstatus, condition, command):
 
176
    def checker_completed(self, exitstatus, signal, command):
212
177
        if exitstatus == 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))
 
178
            self.logger('Checker for client {} (command "{}")'
 
179
                        ' succeeded'.format(self.properties["Name"],
 
180
                                            command), level=0)
219
181
            self.update()
220
182
            return
221
183
        # Checker failed
222
 
        if not self.last_checker_failed:
223
 
            self.last_checker_failed = True
224
 
            self.using_timer(True)
225
 
        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)))
230
 
        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)))
235
 
        elif os.WCOREDUMP(condition):
236
 
            self.logger('Checker for client %s (command "%s")'
237
 
                        ' dumped core'
238
 
                        % (self.properties["Name"], command))
 
184
        if exitstatus >= 0:
 
185
            self.logger('Checker for client {} (command "{}") failed'
 
186
                        ' with exit code {}'
 
187
                        .format(self.properties["Name"], command,
 
188
                                exitstatus))
 
189
        elif signal != 0:
 
190
            self.logger('Checker for client {} (command "{}") was'
 
191
                        ' killed by signal {}'
 
192
                        .format(self.properties["Name"], command,
 
193
                                signal))
239
194
        else:
240
 
            self.logger('Checker for client %s completed'
241
 
                        ' mysteriously')
 
195
            self.logger('Checker for client {} completed'
 
196
                        ' mysteriously'
 
197
                        .format(self.properties["Name"]))
242
198
        self.update()
243
199
    
244
200
    def checker_started(self, command):
245
 
        #self.logger('Client %s started checker "%s"'
246
 
        #            % (self.properties["Name"], unicode(command)))
247
 
        pass
 
201
        """Server signals that a checker started."""
 
202
        self.logger('Client {} started checker "{}"'
 
203
                    .format(self.properties["Name"],
 
204
                            command), level=0)
248
205
    
249
206
    def got_secret(self):
250
 
        self.last_checker_failed = False
251
 
        self.logger('Client %s received its secret'
252
 
                    % self.properties["Name"])
 
207
        self.logger('Client {} received its secret'
 
208
                    .format(self.properties["Name"]))
253
209
    
254
210
    def need_approval(self, timeout, default):
255
211
        if not default:
256
 
            message = 'Client %s needs approval within %s seconds'
 
212
            message = 'Client {} needs approval within {} seconds'
257
213
        else:
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)
 
214
            message = 'Client {} will get its secret in {} seconds'
 
215
        self.logger(message.format(self.properties["Name"],
 
216
                                   timeout/1000))
262
217
    
263
218
    def rejected(self, reason):
264
 
        self.logger('Client %s was rejected; reason: %s'
265
 
                    % (self.properties["Name"], reason))
 
219
        self.logger('Client {} was rejected; reason: {}'
 
220
                    .format(self.properties["Name"], reason))
266
221
    
267
222
    def selectable(self):
268
223
        """Make this a "selectable" widget.
290
245
                          "bold-underline-blink":
291
246
                              "bold-underline-blink-standout",
292
247
                          }
293
 
 
 
248
        
294
249
        # Rebuild focus and non-focus widgets using current properties
295
 
 
 
250
        
296
251
        # Base part of a client. Name!
297
 
        base = ('%(name)s: '
298
 
                      % {"name": self.properties["Name"]})
 
252
        base = '{name}: '.format(name=self.properties["Name"])
299
253
        if not self.properties["Enabled"]:
300
254
            message = "DISABLED"
 
255
            self.using_timer(False)
301
256
        elif self.properties["ApprovalPending"]:
302
257
            timeout = datetime.timedelta(milliseconds
303
258
                                         = self.properties
305
260
            last_approval_request = isoformat_to_datetime(
306
261
                self.properties["LastApprovalRequest"])
307
262
            if last_approval_request is not None:
308
 
                timer = timeout - (datetime.datetime.utcnow()
309
 
                                   - last_approval_request)
 
263
                timer = max(timeout - (datetime.datetime.utcnow()
 
264
                                       - last_approval_request),
 
265
                            datetime.timedelta())
310
266
            else:
311
267
                timer = datetime.timedelta()
312
268
            if self.properties["ApprovedByDefault"]:
313
 
                message = "Approval in %s. (d)eny?"
 
269
                message = "Approval in {}. (d)eny?"
314
270
            else:
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
 
271
                message = "Denial in {}. (a)pprove?"
 
272
            message = message.format(str(timer).rsplit(".", 1)[0])
 
273
            self.using_timer(True)
 
274
        elif self.properties["LastCheckerStatus"] != 0:
 
275
            # When checker has failed, show timer until client expires
319
276
            expires = self.properties["Expires"]
320
277
            if expires == "":
321
278
                timer = datetime.timedelta(0)
322
279
            else:
323
 
                expires = datetime.datetime.strptime(expires,
324
 
                                                     '%Y-%m-%dT%H:%M:%S.%f')
325
 
                timer = expires - datetime.datetime.utcnow()
 
280
                expires = (datetime.datetime.strptime
 
281
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
282
                timer = max(expires - datetime.datetime.utcnow(),
 
283
                            datetime.timedelta())
326
284
            message = ('A checker has failed! Time until client'
327
 
                       ' gets disabled: %s'
328
 
                           % unicode(timer).rsplit(".", 1)[0])
 
285
                       ' gets disabled: {}'
 
286
                       .format(str(timer).rsplit(".", 1)[0]))
 
287
            self.using_timer(True)
329
288
        else:
330
289
            message = "enabled"
331
 
        self._text = "%s%s" % (base, message)
332
 
            
 
290
            self.using_timer(False)
 
291
        self._text = "{}{}".format(base, message)
 
292
        
333
293
        if not urwid.supports_unicode():
334
294
            self._text = self._text.encode("ascii", "replace")
335
295
        textlist = [("normal", self._text)]
352
312
        self.update()
353
313
        return True             # Keep calling this
354
314
    
355
 
    def delete(self, *args, **kwargs):
 
315
    def delete(self, **kwargs):
356
316
        if self._update_timer_callback_tag is not None:
357
317
            gobject.source_remove(self._update_timer_callback_tag)
358
318
            self._update_timer_callback_tag = None
361
321
        self.match_objects = ()
362
322
        if self.delete_hook is not None:
363
323
            self.delete_hook(self)
364
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
324
        return super(MandosClientWidget, self).delete(**kwargs)
365
325
    
366
326
    def render(self, maxcolrow, focus=False):
367
327
        """Render differently if we have focus.
409
369
        else:
410
370
            return key
411
371
    
412
 
    def property_changed(self, property=None, value=None,
413
 
                         *args, **kwargs):
414
 
        """Call self.update() if old value is not new value.
 
372
    def properties_changed(self, interface, properties, invalidated):
 
373
        """Call self.update() if any properties changed.
415
374
        This overrides the method from MandosClientPropertyCache"""
416
 
        property_name = unicode(property)
417
 
        old_value = self.properties.get(property_name)
418
 
        super(MandosClientWidget, self).property_changed(
419
 
            property=property, value=value, *args, **kwargs)
420
 
        if self.properties.get(property_name) != old_value:
 
375
        old_values = { key: self.properties.get(key)
 
376
                       for key in properties.keys() }
 
377
        super(MandosClientWidget, self).properties_changed(
 
378
            interface, properties, invalidated)
 
379
        if any(old_values[key] != self.properties.get(key)
 
380
               for key in old_values):
421
381
            self.update()
422
382
 
423
383
 
426
386
    "down" key presses, thus not allowing any containing widgets to
427
387
    use them as an excuse to shift focus away from this widget.
428
388
    """
429
 
    def keypress(self, maxcolrow, key):
430
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
389
    def keypress(self, *args, **kwargs):
 
390
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
431
391
        if ret in ("up", "down"):
432
392
            return
433
393
        return ret
437
397
    """This is the entire user interface - the whole screen
438
398
    with boxes, lists of client widgets, etc.
439
399
    """
440
 
    def __init__(self, max_log_length=1000):
 
400
    def __init__(self, max_log_length=1000, log_level=1):
441
401
        DBusGMainLoop(set_as_default=True)
442
402
        
443
403
        self.screen = urwid.curses_display.Screen()
446
406
                ("normal",
447
407
                 "default", "default", None),
448
408
                ("bold",
449
 
                 "default", "default", "bold"),
 
409
                 "bold", "default", "bold"),
450
410
                ("underline-blink",
451
 
                 "default", "default", "underline"),
 
411
                 "underline,blink", "default", "underline,blink"),
452
412
                ("standout",
453
 
                 "default", "default", "standout"),
 
413
                 "standout", "default", "standout"),
454
414
                ("bold-underline-blink",
455
 
                 "default", "default", ("bold", "underline")),
 
415
                 "bold,underline,blink", "default", "bold,underline,blink"),
456
416
                ("bold-standout",
457
 
                 "default", "default", ("bold", "standout")),
 
417
                 "bold,standout", "default", "bold,standout"),
458
418
                ("underline-blink-standout",
459
 
                 "default", "default", ("underline", "standout")),
 
419
                 "underline,blink,standout", "default",
 
420
                 "underline,blink,standout"),
460
421
                ("bold-underline-blink-standout",
461
 
                 "default", "default", ("bold", "underline",
462
 
                                          "standout")),
 
422
                 "bold,underline,blink,standout", "default",
 
423
                 "bold,underline,blink,standout"),
463
424
                ))
464
425
        
465
426
        if urwid.supports_unicode():
480
441
        self.log = []
481
442
        self.max_log_length = max_log_length
482
443
        
 
444
        self.log_level = log_level
 
445
        
483
446
        # We keep a reference to the log widget so we can remove it
484
447
        # from the ListWalker without it getting destroyed
485
448
        self.logbox = ConstrainedListBox(self.log)
497
460
        
498
461
        self.busname = domain + '.Mandos'
499
462
        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
463
    
543
464
    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)))
 
465
        self.log_message("Client with address {} and fingerprint {}"
 
466
                         " could not be found"
 
467
                         .format(address, fingerprint))
547
468
    
548
469
    def rebuild(self):
549
470
        """This rebuilds the User Interface.
559
480
                                                     self.divider)))
560
481
        if self.log_visible:
561
482
            self.uilist.append(self.logbox)
562
 
            pass
563
483
        self.topwidget = urwid.Pile(self.uilist)
564
484
    
565
 
    def log_message(self, message):
 
485
    def log_message(self, message, level=1):
 
486
        """Log message formatted with timestamp"""
 
487
        if level < self.log_level:
 
488
            return
566
489
        timestamp = datetime.datetime.now().isoformat()
567
 
        self.log_message_raw(timestamp + ": " + message)
 
490
        self.log_message_raw("{}: {}".format(timestamp, message),
 
491
                             level=level)
568
492
    
569
 
    def log_message_raw(self, markup):
 
493
    def log_message_raw(self, markup, level=1):
570
494
        """Add a log message to the log buffer."""
 
495
        if level < self.log_level:
 
496
            return
571
497
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
572
498
        if (self.max_log_length
573
499
            and len(self.log) > self.max_log_length):
580
506
        """Toggle visibility of the log buffer."""
581
507
        self.log_visible = not self.log_visible
582
508
        self.rebuild()
583
 
        #self.log_message("Log visibility changed to: "
584
 
        #                 + unicode(self.log_visible))
 
509
        self.log_message("Log visibility changed to: {}"
 
510
                         .format(self.log_visible), level=0)
585
511
    
586
512
    def change_log_display(self):
587
513
        """Change type of log display.
592
518
            self.log_wrap = "clip"
593
519
        for textwidget in self.log:
594
520
            textwidget.set_wrap_mode(self.log_wrap)
595
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
521
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
522
                         level=0)
596
523
    
597
524
    def find_and_remove_client(self, path, name):
598
525
        """Find a client by its object path and remove it.
603
530
            client = self.clients_dict[path]
604
531
        except KeyError:
605
532
            # not found?
606
 
            self.log_message("Unknown client %r (%r) removed", name,
607
 
                             path)
 
533
            self.log_message("Unknown client {!r} ({!r}) removed"
 
534
                             .format(name, path))
608
535
            return
609
536
        client.delete()
610
537
    
627
554
        if path is None:
628
555
            path = client.proxy.object_path
629
556
        self.clients_dict[path] = client
630
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
557
        self.clients.sort(key=lambda c: c.properties["Name"])
631
558
        self.refresh()
632
559
    
633
560
    def remove_client(self, client, path=None):
635
562
        if path is None:
636
563
            path = client.proxy.object_path
637
564
        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()
643
565
        self.refresh()
644
566
    
645
567
    def refresh(self):
649
571
    
650
572
    def run(self):
651
573
        """Start the main loop and exit when it's done."""
 
574
        self.bus = dbus.SystemBus()
 
575
        mandos_dbus_objc = self.bus.get_object(
 
576
            self.busname, "/", follow_name_owner_changes=True)
 
577
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
578
                                          dbus_interface
 
579
                                          = server_interface)
 
580
        try:
 
581
            mandos_clients = (self.mandos_serv
 
582
                              .GetAllClientsWithProperties())
 
583
            if not mandos_clients:
 
584
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
585
        except dbus.exceptions.DBusException:
 
586
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
587
            mandos_clients = dbus.Dictionary()
 
588
        
 
589
        (self.mandos_serv
 
590
         .connect_to_signal("ClientRemoved",
 
591
                            self.find_and_remove_client,
 
592
                            dbus_interface=server_interface,
 
593
                            byte_arrays=True))
 
594
        (self.mandos_serv
 
595
         .connect_to_signal("ClientAdded",
 
596
                            self.add_new_client,
 
597
                            dbus_interface=server_interface,
 
598
                            byte_arrays=True))
 
599
        (self.mandos_serv
 
600
         .connect_to_signal("ClientNotFound",
 
601
                            self.client_not_found,
 
602
                            dbus_interface=server_interface,
 
603
                            byte_arrays=True))
 
604
        for path, client in mandos_clients.items():
 
605
            client_proxy_object = self.bus.get_object(self.busname,
 
606
                                                      path)
 
607
            self.add_client(MandosClientWidget(server_proxy_object
 
608
                                               =self.mandos_serv,
 
609
                                               proxy_object
 
610
                                               =client_proxy_object,
 
611
                                               properties=client,
 
612
                                               update_hook
 
613
                                               =self.refresh,
 
614
                                               delete_hook
 
615
                                               =self.remove_client,
 
616
                                               logger
 
617
                                               =self.log_message),
 
618
                            path=path)
 
619
        
652
620
        self.refresh()
653
621
        self._input_callback_tag = (gobject.io_add_watch
654
622
                                    (sys.stdin.fileno(),
686
654
            elif key == "window resize":
687
655
                self.size = self.screen.get_cols_rows()
688
656
                self.refresh()
689
 
            elif key == "\f":  # Ctrl-L
 
657
            elif key == "ctrl l":
 
658
                self.screen.clear()
690
659
                self.refresh()
691
660
            elif key == "l" or key == "D":
692
661
                self.toggle_log_display()
704
673
                                            "?: Help",
705
674
                                            "l: Log window toggle",
706
675
                                            "TAB: Switch window",
707
 
                                            "w: Wrap (log)"))))
 
676
                                            "w: Wrap (log lines)",
 
677
                                            "v: Toggle verbose log",
 
678
                                            ))))
708
679
                self.log_message_raw(("bold",
709
680
                                      "  "
710
681
                                      .join(("Clients:",
723
694
                else:
724
695
                    self.topwidget.set_focus(self.logbox)
725
696
                self.refresh()
 
697
            elif key == "v":
 
698
                if self.log_level == 0:
 
699
                    self.log_level = 1
 
700
                    self.log_message("Verbose mode: Off")
 
701
                else:
 
702
                    self.log_level = 0
 
703
                    self.log_message("Verbose mode: On")
726
704
            #elif (key == "end" or key == "meta >" or key == "G"
727
705
            #      or key == ">"):
728
706
            #    pass            # xxx end-of-buffer
751
729
    ui.run()
752
730
except KeyboardInterrupt:
753
731
    ui.screen.stop()
754
 
except Exception, e:
755
 
    ui.log_message(unicode(e))
 
732
except Exception as e:
 
733
    ui.log_message(str(e))
756
734
    ui.screen.stop()
757
735
    raise