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  • Committer: Björn Påhlsson
  • Date: 2011-10-02 19:18:24 UTC
  • mto: This revision was merged to the branch mainline in revision 505.
  • Revision ID: belorn@fukt.bsnet.se-20111002191824-eweh4pvneeg3qzia
transitional stuff actually working
documented change to D-Bus API

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mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2015 Teddy Hogeborn
7
 
# Copyright © 2009-2015 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
8
# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
19
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
 
# Contact the authors at <mandos@recompile.se>.
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
24
23
# 
25
24
 
26
25
from __future__ import (division, absolute_import, print_function,
27
26
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
32
27
 
33
28
import sys
34
29
import os
 
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 = "1.7.1"
64
 
 
65
 
try:
66
 
    dbus.OBJECT_MANAGER_IFACE
67
 
except AttributeError:
68
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
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)
69
64
 
70
65
def isoformat_to_datetime(iso):
71
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
88
83
    properties and calls a hook function when any of them are
89
84
    changed.
90
85
    """
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
92
87
        self.proxy = proxy_object # Mandos Client proxy object
93
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
94
90
        self.property_changed_match = (
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
96
 
                                         self.properties_changed,
97
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
98
94
                                         byte_arrays=True))
99
95
        
100
 
        if properties is None:
101
 
            self.properties.update(
102
 
                self.proxy.GetAll(client_interface,
103
 
                                  dbus_interface
104
 
                                  = dbus.PROPERTIES_IFACE))
105
 
        
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
96
        self.properties.update(
 
97
            self.proxy.GetAll(client_interface,
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
107
103
    
108
 
    def properties_changed(self, interface, properties, invalidated):
109
 
        """This is called whenever we get a PropertiesChanged signal
110
 
        It updates the changed properties in the "properties" dict.
 
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.
111
107
        """
112
108
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
 
109
        self.properties[property] = value
115
110
    
116
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
117
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
118
115
 
119
116
 
120
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
122
119
    """
123
120
    
124
121
    def __init__(self, server_proxy_object=None, update_hook=None,
125
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
126
123
        # Called on update
127
124
        self.update_hook = update_hook
128
125
        # Called on delete
133
130
        self.logger = logger
134
131
        
135
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
136
135
        
137
136
        # The widget shown normally
138
137
        self._text_widget = urwid.Text("")
139
138
        # The widget shown when we have focus
140
139
        self._focus_text_widget = urwid.Text("")
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
142
143
        self.update()
143
144
        self.opened = False
144
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
        
145
164
        self.match_objects = (
146
165
            self.proxy.connect_to_signal("CheckerCompleted",
147
166
                                         self.checker_completed,
163
182
                                         self.rejected,
164
183
                                         client_interface,
165
184
                                         byte_arrays=True))
166
 
        self.logger('Created client {}'
167
 
                    .format(self.properties["Name"]), level=0)
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
168
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
        
169
193
    def using_timer(self, flag):
170
194
        """Call this method with True or False when timer should be
171
195
        activated or deactivated.
172
196
        """
173
 
        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:
174
203
            # Will update the shown timer value every second
175
204
            self._update_timer_callback_tag = (gobject.timeout_add
176
205
                                               (1000,
177
206
                                                self.update_timer))
178
 
        elif not (flag or self._update_timer_callback_tag is None):
 
207
        elif old and self._update_timer_callback_lock == 0:
179
208
            gobject.source_remove(self._update_timer_callback_tag)
180
209
            self._update_timer_callback_tag = None
181
210
    
182
211
    def checker_completed(self, exitstatus, condition, command):
183
212
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            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))
187
219
            self.update()
188
220
            return
189
221
        # Checker failed
 
222
        if not self.last_checker_failed:
 
223
            self.last_checker_failed = True
 
224
            self.using_timer(True)
190
225
        if os.WIFEXITED(condition):
191
 
            self.logger('Checker for client {} (command "{}") failed'
192
 
                        ' with exit code {}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                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)))
195
230
        elif os.WIFSIGNALED(condition):
196
 
            self.logger('Checker for client {} (command "{}") was'
197
 
                        ' killed by signal {}'
198
 
                        .format(self.properties["Name"], command,
199
 
                                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)))
 
235
        elif os.WCOREDUMP(condition):
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
 
239
        else:
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
200
242
        self.update()
201
243
    
202
244
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        self.logger('Client {} started checker "{}"'
205
 
                    .format(self.properties["Name"],
206
 
                            command), level=0)
 
245
        #self.logger('Client %s started checker "%s"'
 
246
        #            % (self.properties["Name"], unicode(command)))
 
247
        pass
207
248
    
208
249
    def got_secret(self):
209
 
        self.logger('Client {} received its secret'
210
 
                    .format(self.properties["Name"]))
 
250
        self.last_checker_failed = False
 
251
        self.logger('Client %s received its secret'
 
252
                    % self.properties["Name"])
211
253
    
212
254
    def need_approval(self, timeout, default):
213
255
        if not default:
214
 
            message = 'Client {} needs approval within {} seconds'
 
256
            message = 'Client %s needs approval within %s seconds'
215
257
        else:
216
 
            message = 'Client {} will get its secret in {} seconds'
217
 
        self.logger(message.format(self.properties["Name"],
218
 
                                   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)
219
262
    
220
263
    def rejected(self, reason):
221
 
        self.logger('Client {} was rejected; reason: {}'
222
 
                    .format(self.properties["Name"], reason))
 
264
        self.logger('Client %s was rejected; reason: %s'
 
265
                    % (self.properties["Name"], reason))
223
266
    
224
267
    def selectable(self):
225
268
        """Make this a "selectable" widget.
247
290
                          "bold-underline-blink":
248
291
                              "bold-underline-blink-standout",
249
292
                          }
250
 
        
 
293
 
251
294
        # Rebuild focus and non-focus widgets using current properties
252
 
        
 
295
 
253
296
        # Base part of a client. Name!
254
 
        base = '{name}: '.format(name=self.properties["Name"])
 
297
        base = ('%(name)s: '
 
298
                      % {"name": self.properties["Name"]})
255
299
        if not self.properties["Enabled"]:
256
300
            message = "DISABLED"
257
 
            self.using_timer(False)
258
301
        elif self.properties["ApprovalPending"]:
259
302
            timeout = datetime.timedelta(milliseconds
260
303
                                         = self.properties
262
305
            last_approval_request = isoformat_to_datetime(
263
306
                self.properties["LastApprovalRequest"])
264
307
            if last_approval_request is not None:
265
 
                timer = max(timeout - (datetime.datetime.utcnow()
266
 
                                       - last_approval_request),
267
 
                            datetime.timedelta())
 
308
                timer = timeout - (datetime.datetime.utcnow()
 
309
                                   - last_approval_request)
268
310
            else:
269
311
                timer = datetime.timedelta()
270
312
            if self.properties["ApprovedByDefault"]:
271
 
                message = "Approval in {}. (d)eny?"
 
313
                message = "Approval in %s. (d)eny?"
272
314
            else:
273
 
                message = "Denial in {}. (a)pprove?"
274
 
            message = message.format(str(timer).rsplit(".", 1)[0])
275
 
            self.using_timer(True)
276
 
        elif self.properties["LastCheckerStatus"] != 0:
277
 
            # 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
278
319
            expires = self.properties["Expires"]
279
320
            if expires == "":
280
321
                timer = datetime.timedelta(0)
281
322
            else:
282
 
                expires = (datetime.datetime.strptime
283
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
284
 
                timer = max(expires - datetime.datetime.utcnow(),
285
 
                            datetime.timedelta())
 
323
                expires = datetime.datetime.strptime(expires,
 
324
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
325
                timer = expires - datetime.datetime.utcnow()
286
326
            message = ('A checker has failed! Time until client'
287
 
                       ' gets disabled: {}'
288
 
                       .format(str(timer).rsplit(".", 1)[0]))
289
 
            self.using_timer(True)
 
327
                       ' gets disabled: %s'
 
328
                           % unicode(timer).rsplit(".", 1)[0])
290
329
        else:
291
330
            message = "enabled"
292
 
            self.using_timer(False)
293
 
        self._text = "{}{}".format(base, message)
294
 
        
 
331
        self._text = "%s%s" % (base, message)
 
332
            
295
333
        if not urwid.supports_unicode():
296
334
            self._text = self._text.encode("ascii", "replace")
297
335
        textlist = [("normal", self._text)]
314
352
        self.update()
315
353
        return True             # Keep calling this
316
354
    
317
 
    def delete(self, **kwargs):
 
355
    def delete(self, *args, **kwargs):
318
356
        if self._update_timer_callback_tag is not None:
319
357
            gobject.source_remove(self._update_timer_callback_tag)
320
358
            self._update_timer_callback_tag = None
323
361
        self.match_objects = ()
324
362
        if self.delete_hook is not None:
325
363
            self.delete_hook(self)
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
364
        return super(MandosClientWidget, self).delete(*args, **kwargs)
327
365
    
328
366
    def render(self, maxcolrow, focus=False):
329
367
        """Render differently if we have focus.
335
373
        """Handle keys.
336
374
        This overrides the method from urwid.FlowWidget"""
337
375
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply = True,
340
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
376
            self.proxy.Enable(dbus_interface = client_interface,
 
377
                              ignore_reply=True)
341
378
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply = True,
344
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
379
            self.proxy.Disable(dbus_interface = client_interface,
 
380
                               ignore_reply=True)
345
381
        elif key == "a":
346
382
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
383
                               dbus_interface = client_interface,
355
391
                                                  .object_path,
356
392
                                                  ignore_reply=True)
357
393
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply = True,
360
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
394
            self.proxy.StartChecker(dbus_interface = client_interface,
 
395
                                    ignore_reply=True)
361
396
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply = True,
364
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
397
            self.proxy.StopChecker(dbus_interface = client_interface,
 
398
                                   ignore_reply=True)
365
399
        elif key == "C":
366
400
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
401
                                 ignore_reply=True)
375
409
        else:
376
410
            return key
377
411
    
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """Call self.update() if any properties changed.
 
412
    def property_changed(self, property=None, value=None,
 
413
                         *args, **kwargs):
 
414
        """Call self.update() if old value is not new value.
380
415
        This overrides the method from MandosClientPropertyCache"""
381
 
        old_values = { key: self.properties.get(key)
382
 
                       for key in properties.keys() }
383
 
        super(MandosClientWidget, self).properties_changed(
384
 
            interface, properties, invalidated)
385
 
        if any(old_values[key] != self.properties.get(key)
386
 
               for key in old_values):
 
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:
387
421
            self.update()
388
422
 
389
423
 
392
426
    "down" key presses, thus not allowing any containing widgets to
393
427
    use them as an excuse to shift focus away from this widget.
394
428
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
429
    def keypress(self, maxcolrow, key):
 
430
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
397
431
        if ret in ("up", "down"):
398
432
            return
399
433
        return ret
403
437
    """This is the entire user interface - the whole screen
404
438
    with boxes, lists of client widgets, etc.
405
439
    """
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
440
    def __init__(self, max_log_length=1000):
407
441
        DBusGMainLoop(set_as_default=True)
408
442
        
409
443
        self.screen = urwid.curses_display.Screen()
412
446
                ("normal",
413
447
                 "default", "default", None),
414
448
                ("bold",
415
 
                 "bold", "default", "bold"),
 
449
                 "default", "default", "bold"),
416
450
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
 
451
                 "default", "default", "underline"),
418
452
                ("standout",
419
 
                 "standout", "default", "standout"),
 
453
                 "default", "default", "standout"),
420
454
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
455
                 "default", "default", ("bold", "underline")),
422
456
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
 
457
                 "default", "default", ("bold", "standout")),
424
458
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
 
459
                 "default", "default", ("underline", "standout")),
427
460
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "bold,underline,blink,standout"),
 
461
                 "default", "default", ("bold", "underline",
 
462
                                          "standout")),
430
463
                ))
431
464
        
432
465
        if urwid.supports_unicode():
447
480
        self.log = []
448
481
        self.max_log_length = max_log_length
449
482
        
450
 
        self.log_level = log_level
451
 
        
452
483
        # We keep a reference to the log widget so we can remove it
453
484
        # from the ListWalker without it getting destroyed
454
485
        self.logbox = ConstrainedListBox(self.log)
466
497
        
467
498
        self.busname = domain + '.Mandos'
468
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)
469
542
    
470
543
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {} and fingerprint {}"
472
 
                         " could not be found"
473
 
                         .format(address, fingerprint))
 
544
        self.log_message(("Client with address %s and fingerprint %s"
 
545
                          " could not be found" % (address,
 
546
                                                    fingerprint)))
474
547
    
475
548
    def rebuild(self):
476
549
        """This rebuilds the User Interface.
486
559
                                                     self.divider)))
487
560
        if self.log_visible:
488
561
            self.uilist.append(self.logbox)
 
562
            pass
489
563
        self.topwidget = urwid.Pile(self.uilist)
490
564
    
491
 
    def log_message(self, message, level=1):
492
 
        """Log message formatted with timestamp"""
493
 
        if level < self.log_level:
494
 
            return
 
565
    def log_message(self, message):
495
566
        timestamp = datetime.datetime.now().isoformat()
496
 
        self.log_message_raw("{}: {}".format(timestamp, message),
497
 
                             level=level)
 
567
        self.log_message_raw(timestamp + ": " + message)
498
568
    
499
 
    def log_message_raw(self, markup, level=1):
 
569
    def log_message_raw(self, markup):
500
570
        """Add a log message to the log buffer."""
501
 
        if level < self.log_level:
502
 
            return
503
571
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
504
572
        if (self.max_log_length
505
573
            and len(self.log) > self.max_log_length):
512
580
        """Toggle visibility of the log buffer."""
513
581
        self.log_visible = not self.log_visible
514
582
        self.rebuild()
515
 
        self.log_message("Log visibility changed to: {}"
516
 
                         .format(self.log_visible), level=0)
 
583
        #self.log_message("Log visibility changed to: "
 
584
        #                 + unicode(self.log_visible))
517
585
    
518
586
    def change_log_display(self):
519
587
        """Change type of log display.
524
592
            self.log_wrap = "clip"
525
593
        for textwidget in self.log:
526
594
            textwidget.set_wrap_mode(self.log_wrap)
527
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
528
 
                         level=0)
 
595
        #self.log_message("Wrap mode: " + self.log_wrap)
529
596
    
530
 
    def find_and_remove_client(self, path, interfaces):
 
597
    def find_and_remove_client(self, path, name):
531
598
        """Find a client by its object path and remove it.
532
599
        
533
 
        This is connected to the InterfacesRemoved signal from the
 
600
        This is connected to the ClientRemoved signal from the
534
601
        Mandos server object."""
535
 
        if client_interface not in interfaces:
536
 
            # Not a Mandos client object; ignore
537
 
            return
538
602
        try:
539
603
            client = self.clients_dict[path]
540
604
        except KeyError:
541
605
            # not found?
542
 
            self.log_message("Unknown client {!r} removed"
543
 
                             .format(path))
 
606
            self.log_message("Unknown client %r (%r) removed", name,
 
607
                             path)
544
608
            return
545
609
        client.delete()
546
610
    
547
 
    def add_new_client(self, path, ifs_and_props):
548
 
        """Find a client by its object path and remove it.
549
 
        
550
 
        This is connected to the InterfacesAdded signal from the
551
 
        Mandos server object.
552
 
        """
553
 
        if client_interface not in ifs_and_props:
554
 
            # Not a Mandos client object; ignore
555
 
            return
 
611
    def add_new_client(self, path):
556
612
        client_proxy_object = self.bus.get_object(self.busname, path)
557
613
        self.add_client(MandosClientWidget(server_proxy_object
558
614
                                           =self.mandos_serv,
563
619
                                           delete_hook
564
620
                                           =self.remove_client,
565
621
                                           logger
566
 
                                           =self.log_message,
567
 
                                           properties
568
 
                                           = dict(ifs_and_props[
569
 
                                               client_interface])),
 
622
                                           =self.log_message),
570
623
                        path=path)
571
624
    
572
625
    def add_client(self, client, path=None):
574
627
        if path is None:
575
628
            path = client.proxy.object_path
576
629
        self.clients_dict[path] = client
577
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
630
        self.clients.sort(None, lambda c: c.properties["Name"])
578
631
        self.refresh()
579
632
    
580
633
    def remove_client(self, client, path=None):
582
635
        if path is None:
583
636
            path = client.proxy.object_path
584
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()
585
643
        self.refresh()
586
644
    
587
645
    def refresh(self):
591
649
    
592
650
    def run(self):
593
651
        """Start the main loop and exit when it's done."""
594
 
        self.bus = dbus.SystemBus()
595
 
        mandos_dbus_objc = self.bus.get_object(
596
 
            self.busname, "/", follow_name_owner_changes=True)
597
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
598
 
                                          dbus_interface
599
 
                                          = server_interface)
600
 
        try:
601
 
            mandos_clients = (self.mandos_serv
602
 
                              .GetAllClientsWithProperties())
603
 
            if not mandos_clients:
604
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
605
 
        except dbus.exceptions.DBusException:
606
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
607
 
            mandos_clients = dbus.Dictionary()
608
 
        
609
 
        (self.mandos_serv
610
 
         .connect_to_signal("InterfacesRemoved",
611
 
                            self.find_and_remove_client,
612
 
                            dbus_interface
613
 
                            = dbus.OBJECT_MANAGER_IFACE,
614
 
                            byte_arrays=True))
615
 
        (self.mandos_serv
616
 
         .connect_to_signal("InterfacesAdded",
617
 
                            self.add_new_client,
618
 
                            dbus_interface
619
 
                            = dbus.OBJECT_MANAGER_IFACE,
620
 
                            byte_arrays=True))
621
 
        (self.mandos_serv
622
 
         .connect_to_signal("ClientNotFound",
623
 
                            self.client_not_found,
624
 
                            dbus_interface=server_interface,
625
 
                            byte_arrays=True))
626
 
        for path, client in mandos_clients.items():
627
 
            client_proxy_object = self.bus.get_object(self.busname,
628
 
                                                      path)
629
 
            self.add_client(MandosClientWidget(server_proxy_object
630
 
                                               =self.mandos_serv,
631
 
                                               proxy_object
632
 
                                               =client_proxy_object,
633
 
                                               properties=client,
634
 
                                               update_hook
635
 
                                               =self.refresh,
636
 
                                               delete_hook
637
 
                                               =self.remove_client,
638
 
                                               logger
639
 
                                               =self.log_message),
640
 
                            path=path)
641
 
        
642
652
        self.refresh()
643
653
        self._input_callback_tag = (gobject.io_add_watch
644
654
                                    (sys.stdin.fileno(),
676
686
            elif key == "window resize":
677
687
                self.size = self.screen.get_cols_rows()
678
688
                self.refresh()
679
 
            elif key == "ctrl l":
680
 
                self.screen.clear()
 
689
            elif key == "\f":  # Ctrl-L
681
690
                self.refresh()
682
691
            elif key == "l" or key == "D":
683
692
                self.toggle_log_display()
695
704
                                            "?: Help",
696
705
                                            "l: Log window toggle",
697
706
                                            "TAB: Switch window",
698
 
                                            "w: Wrap (log lines)",
699
 
                                            "v: Toggle verbose log",
700
 
                                            ))))
 
707
                                            "w: Wrap (log)"))))
701
708
                self.log_message_raw(("bold",
702
709
                                      "  "
703
710
                                      .join(("Clients:",
716
723
                else:
717
724
                    self.topwidget.set_focus(self.logbox)
718
725
                self.refresh()
719
 
            elif key == "v":
720
 
                if self.log_level == 0:
721
 
                    self.log_level = 1
722
 
                    self.log_message("Verbose mode: Off")
723
 
                else:
724
 
                    self.log_level = 0
725
 
                    self.log_message("Verbose mode: On")
726
726
            #elif (key == "end" or key == "meta >" or key == "G"
727
727
            #      or key == ">"):
728
728
            #    pass            # xxx end-of-buffer
751
751
    ui.run()
752
752
except KeyboardInterrupt:
753
753
    ui.screen.stop()
754
 
except Exception as e:
755
 
    ui.log_message(str(e))
 
754
except Exception, e:
 
755
    ui.log_message(unicode(e))
756
756
    ui.screen.stop()
757
757
    raise