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  • Committer: Teddy Hogeborn
  • Date: 2015-12-03 21:06:34 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 329.
  • Revision ID: teddy@recompile.se-20151203210634-5dcyccalld40cygn
http://bugs.debian.org/806073
* debian/rules (override_dh_fixperms): Split into
                                       "override_dh_fixperms-arch" and
                                       "override_dh_fixperms-indep".
                                       Fixes Debian bug #806073.

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mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2012 Teddy Hogeborn
7
 
# Copyright © 2009-2012 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 = "1.5.3"
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 = "1.7.1"
 
64
 
 
65
try:
 
66
    dbus.OBJECT_MANAGER_IFACE
 
67
except AttributeError:
 
68
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
64
69
 
65
70
def isoformat_to_datetime(iso):
66
71
    "Parse an ISO 8601 date string to a datetime.datetime()"
83
88
    properties and calls a hook function when any of them are
84
89
    changed.
85
90
    """
86
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
91
    def __init__(self, proxy_object=None, properties=None, **kwargs):
87
92
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        
89
 
        self.properties = dict()
 
93
        self.properties = dict() if properties is None else properties
90
94
        self.property_changed_match = (
91
 
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self.property_changed,
93
 
                                         client_interface,
 
95
            self.proxy.connect_to_signal("PropertiesChanged",
 
96
                                         self.properties_changed,
 
97
                                         dbus.PROPERTIES_IFACE,
94
98
                                         byte_arrays=True))
95
99
        
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)
 
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)
103
107
    
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.
 
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.
107
111
        """
108
112
        # Update properties dict with new value
109
 
        self.properties[property] = value
 
113
        if interface == client_interface:
 
114
            self.properties.update(properties)
110
115
    
111
 
    def delete(self, *args, **kwargs):
 
116
    def delete(self):
112
117
        self.property_changed_match.remove()
113
 
        super(MandosClientPropertyCache, self).__init__(
114
 
            *args, **kwargs)
115
118
 
116
119
 
117
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
122
    """
120
123
    
121
124
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
125
                 delete_hook=None, logger=None, **kwargs):
123
126
        # Called on update
124
127
        self.update_hook = update_hook
125
128
        # Called on delete
130
133
        self.logger = logger
131
134
        
132
135
        self._update_timer_callback_tag = None
133
 
        self._update_timer_callback_lock = 0
134
136
        
135
137
        # The widget shown normally
136
138
        self._text_widget = urwid.Text("")
137
139
        # The widget shown when we have focus
138
140
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(
140
 
            update_hook=update_hook, delete_hook=delete_hook,
141
 
            *args, **kwargs)
 
141
        super(MandosClientWidget, self).__init__(**kwargs)
142
142
        self.update()
143
143
        self.opened = False
144
144
        
145
 
        last_checked_ok = isoformat_to_datetime(self.properties
146
 
                                                ["LastCheckedOK"])
147
 
        
148
 
        if self.properties ["LastCheckerStatus"] != 0:
149
 
            self.using_timer(True)
150
 
        
151
 
        if self.need_approval:
152
 
            self.using_timer(True)
153
 
        
154
145
        self.match_objects = (
155
146
            self.proxy.connect_to_signal("CheckerCompleted",
156
147
                                         self.checker_completed,
172
163
                                         self.rejected,
173
164
                                         client_interface,
174
165
                                         byte_arrays=True))
175
 
        #self.logger('Created client %s' % (self.properties["Name"]))
176
 
    
177
 
    def property_changed(self, property=None, value=None):
178
 
        super(self, MandosClientWidget).property_changed(property,
179
 
                                                         value)
180
 
        if property == "ApprovalPending":
181
 
            using_timer(bool(value))
182
 
        if property == "LastCheckerStatus":
183
 
            using_timer(value != 0)
184
 
            #self.logger('Checker for client %s (command "%s")'
185
 
            #            ' was successful'
186
 
            #            % (self.properties["Name"], command))
 
166
        self.logger('Created client {}'
 
167
                    .format(self.properties["Name"]), level=0)
187
168
    
188
169
    def using_timer(self, flag):
189
170
        """Call this method with True or False when timer should be
190
171
        activated or deactivated.
191
172
        """
192
 
        old = self._update_timer_callback_lock
193
 
        if flag:
194
 
            self._update_timer_callback_lock += 1
195
 
        else:
196
 
            self._update_timer_callback_lock -= 1
197
 
        if old == 0 and self._update_timer_callback_lock:
 
173
        if flag and self._update_timer_callback_tag is None:
198
174
            # Will update the shown timer value every second
199
175
            self._update_timer_callback_tag = (gobject.timeout_add
200
176
                                               (1000,
201
177
                                                self.update_timer))
202
 
        elif old and self._update_timer_callback_lock == 0:
 
178
        elif not (flag or self._update_timer_callback_tag is None):
203
179
            gobject.source_remove(self._update_timer_callback_tag)
204
180
            self._update_timer_callback_tag = None
205
181
    
206
182
    def checker_completed(self, exitstatus, condition, command):
207
183
        if exitstatus == 0:
 
184
            self.logger('Checker for client {} (command "{}")'
 
185
                        ' succeeded'.format(self.properties["Name"],
 
186
                                            command), level=0)
208
187
            self.update()
209
188
            return
210
189
        # Checker failed
211
190
        if os.WIFEXITED(condition):
212
 
            self.logger('Checker for client %s (command "%s")'
213
 
                        ' failed with exit code %s'
214
 
                        % (self.properties["Name"], command,
215
 
                           os.WEXITSTATUS(condition)))
 
191
            self.logger('Checker for client {} (command "{}") failed'
 
192
                        ' with exit code {}'
 
193
                        .format(self.properties["Name"], command,
 
194
                                os.WEXITSTATUS(condition)))
216
195
        elif os.WIFSIGNALED(condition):
217
 
            self.logger('Checker for client %s (command "%s")'
218
 
                        ' was killed by signal %s'
219
 
                        % (self.properties["Name"], command,
220
 
                           os.WTERMSIG(condition)))
221
 
        elif os.WCOREDUMP(condition):
222
 
            self.logger('Checker for client %s (command "%s")'
223
 
                        ' dumped core'
224
 
                        % (self.properties["Name"], command))
225
 
        else:
226
 
            self.logger('Checker for client %s completed'
227
 
                        ' mysteriously')
 
196
            self.logger('Checker for client {} (command "{}") was'
 
197
                        ' killed by signal {}'
 
198
                        .format(self.properties["Name"], command,
 
199
                                os.WTERMSIG(condition)))
228
200
        self.update()
229
201
    
230
202
    def checker_started(self, command):
231
 
        """Server signals that a checker started. This could be useful
232
 
           to log in the future. """
233
 
        #self.logger('Client %s started checker "%s"'
234
 
        #            % (self.properties["Name"], unicode(command)))
235
 
        pass
 
203
        """Server signals that a checker started."""
 
204
        self.logger('Client {} started checker "{}"'
 
205
                    .format(self.properties["Name"],
 
206
                            command), level=0)
236
207
    
237
208
    def got_secret(self):
238
 
        self.logger('Client %s received its secret'
239
 
                    % self.properties["Name"])
 
209
        self.logger('Client {} received its secret'
 
210
                    .format(self.properties["Name"]))
240
211
    
241
212
    def need_approval(self, timeout, default):
242
213
        if not default:
243
 
            message = 'Client %s needs approval within %s seconds'
 
214
            message = 'Client {} needs approval within {} seconds'
244
215
        else:
245
 
            message = 'Client %s will get its secret in %s seconds'
246
 
        self.logger(message
247
 
                    % (self.properties["Name"], timeout/1000))
248
 
        self.using_timer(True)
 
216
            message = 'Client {} will get its secret in {} seconds'
 
217
        self.logger(message.format(self.properties["Name"],
 
218
                                   timeout/1000))
249
219
    
250
220
    def rejected(self, reason):
251
 
        self.logger('Client %s was rejected; reason: %s'
252
 
                    % (self.properties["Name"], reason))
 
221
        self.logger('Client {} was rejected; reason: {}'
 
222
                    .format(self.properties["Name"], reason))
253
223
    
254
224
    def selectable(self):
255
225
        """Make this a "selectable" widget.
277
247
                          "bold-underline-blink":
278
248
                              "bold-underline-blink-standout",
279
249
                          }
280
 
 
 
250
        
281
251
        # Rebuild focus and non-focus widgets using current properties
282
 
 
 
252
        
283
253
        # Base part of a client. Name!
284
 
        base = ('%(name)s: '
285
 
                      % {"name": self.properties["Name"]})
 
254
        base = '{name}: '.format(name=self.properties["Name"])
286
255
        if not self.properties["Enabled"]:
287
256
            message = "DISABLED"
 
257
            self.using_timer(False)
288
258
        elif self.properties["ApprovalPending"]:
289
259
            timeout = datetime.timedelta(milliseconds
290
260
                                         = self.properties
292
262
            last_approval_request = isoformat_to_datetime(
293
263
                self.properties["LastApprovalRequest"])
294
264
            if last_approval_request is not None:
295
 
                timer = timeout - (datetime.datetime.utcnow()
296
 
                                   - last_approval_request)
 
265
                timer = max(timeout - (datetime.datetime.utcnow()
 
266
                                       - last_approval_request),
 
267
                            datetime.timedelta())
297
268
            else:
298
269
                timer = datetime.timedelta()
299
270
            if self.properties["ApprovedByDefault"]:
300
 
                message = "Approval in %s. (d)eny?"
 
271
                message = "Approval in {}. (d)eny?"
301
272
            else:
302
 
                message = "Denial in %s. (a)pprove?"
303
 
            message = message % unicode(timer).rsplit(".", 1)[0]
 
273
                message = "Denial in {}. (a)pprove?"
 
274
            message = message.format(str(timer).rsplit(".", 1)[0])
 
275
            self.using_timer(True)
304
276
        elif self.properties["LastCheckerStatus"] != 0:
305
 
            # When checker has failed, print a timer until client expires
 
277
            # When checker has failed, show timer until client expires
306
278
            expires = self.properties["Expires"]
307
279
            if expires == "":
308
280
                timer = datetime.timedelta(0)
309
281
            else:
310
 
                expires = datetime.datetime.strptime(expires,
311
 
                                                     '%Y-%m-%dT%H:%M:%S.%f')
312
 
                timer = expires - datetime.datetime.utcnow()
 
282
                expires = (datetime.datetime.strptime
 
283
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
284
                timer = max(expires - datetime.datetime.utcnow(),
 
285
                            datetime.timedelta())
313
286
            message = ('A checker has failed! Time until client'
314
 
                       ' gets disabled: %s'
315
 
                           % unicode(timer).rsplit(".", 1)[0])
 
287
                       ' gets disabled: {}'
 
288
                       .format(str(timer).rsplit(".", 1)[0]))
 
289
            self.using_timer(True)
316
290
        else:
317
291
            message = "enabled"
318
 
        self._text = "%s%s" % (base, message)
319
 
            
 
292
            self.using_timer(False)
 
293
        self._text = "{}{}".format(base, message)
 
294
        
320
295
        if not urwid.supports_unicode():
321
296
            self._text = self._text.encode("ascii", "replace")
322
297
        textlist = [("normal", self._text)]
339
314
        self.update()
340
315
        return True             # Keep calling this
341
316
    
342
 
    def delete(self, *args, **kwargs):
 
317
    def delete(self, **kwargs):
343
318
        if self._update_timer_callback_tag is not None:
344
319
            gobject.source_remove(self._update_timer_callback_tag)
345
320
            self._update_timer_callback_tag = None
348
323
        self.match_objects = ()
349
324
        if self.delete_hook is not None:
350
325
            self.delete_hook(self)
351
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
326
        return super(MandosClientWidget, self).delete(**kwargs)
352
327
    
353
328
    def render(self, maxcolrow, focus=False):
354
329
        """Render differently if we have focus.
360
335
        """Handle keys.
361
336
        This overrides the method from urwid.FlowWidget"""
362
337
        if key == "+":
363
 
            self.proxy.Enable(dbus_interface = client_interface,
364
 
                              ignore_reply=True)
 
338
            self.proxy.Set(client_interface, "Enabled",
 
339
                           dbus.Boolean(True), ignore_reply = True,
 
340
                           dbus_interface = dbus.PROPERTIES_IFACE)
365
341
        elif key == "-":
366
 
            self.proxy.Disable(dbus_interface = client_interface,
367
 
                               ignore_reply=True)
 
342
            self.proxy.Set(client_interface, "Enabled", False,
 
343
                           ignore_reply = True,
 
344
                           dbus_interface = dbus.PROPERTIES_IFACE)
368
345
        elif key == "a":
369
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
370
347
                               dbus_interface = client_interface,
378
355
                                                  .object_path,
379
356
                                                  ignore_reply=True)
380
357
        elif key == "s":
381
 
            self.proxy.StartChecker(dbus_interface = client_interface,
382
 
                                    ignore_reply=True)
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
                           dbus.Boolean(True), ignore_reply = True,
 
360
                           dbus_interface = dbus.PROPERTIES_IFACE)
383
361
        elif key == "S":
384
 
            self.proxy.StopChecker(dbus_interface = client_interface,
385
 
                                   ignore_reply=True)
 
362
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
                           dbus.Boolean(False), ignore_reply = True,
 
364
                           dbus_interface = dbus.PROPERTIES_IFACE)
386
365
        elif key == "C":
387
366
            self.proxy.CheckedOK(dbus_interface = client_interface,
388
367
                                 ignore_reply=True)
396
375
        else:
397
376
            return key
398
377
    
399
 
    def property_changed(self, property=None, value=None,
400
 
                         *args, **kwargs):
401
 
        """Call self.update() if old value is not new value.
 
378
    def properties_changed(self, interface, properties, invalidated):
 
379
        """Call self.update() if any properties changed.
402
380
        This overrides the method from MandosClientPropertyCache"""
403
 
        property_name = unicode(property)
404
 
        old_value = self.properties.get(property_name)
405
 
        super(MandosClientWidget, self).property_changed(
406
 
            property=property, value=value, *args, **kwargs)
407
 
        if self.properties.get(property_name) != old_value:
 
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):
408
387
            self.update()
409
388
 
410
389
 
413
392
    "down" key presses, thus not allowing any containing widgets to
414
393
    use them as an excuse to shift focus away from this widget.
415
394
    """
416
 
    def keypress(self, maxcolrow, key):
417
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
395
    def keypress(self, *args, **kwargs):
 
396
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
418
397
        if ret in ("up", "down"):
419
398
            return
420
399
        return ret
424
403
    """This is the entire user interface - the whole screen
425
404
    with boxes, lists of client widgets, etc.
426
405
    """
427
 
    def __init__(self, max_log_length=1000):
 
406
    def __init__(self, max_log_length=1000, log_level=1):
428
407
        DBusGMainLoop(set_as_default=True)
429
408
        
430
409
        self.screen = urwid.curses_display.Screen()
433
412
                ("normal",
434
413
                 "default", "default", None),
435
414
                ("bold",
436
 
                 "default", "default", "bold"),
 
415
                 "bold", "default", "bold"),
437
416
                ("underline-blink",
438
 
                 "default", "default", "underline"),
 
417
                 "underline,blink", "default", "underline,blink"),
439
418
                ("standout",
440
 
                 "default", "default", "standout"),
 
419
                 "standout", "default", "standout"),
441
420
                ("bold-underline-blink",
442
 
                 "default", "default", ("bold", "underline")),
 
421
                 "bold,underline,blink", "default", "bold,underline,blink"),
443
422
                ("bold-standout",
444
 
                 "default", "default", ("bold", "standout")),
 
423
                 "bold,standout", "default", "bold,standout"),
445
424
                ("underline-blink-standout",
446
 
                 "default", "default", ("underline", "standout")),
 
425
                 "underline,blink,standout", "default",
 
426
                 "underline,blink,standout"),
447
427
                ("bold-underline-blink-standout",
448
 
                 "default", "default", ("bold", "underline",
449
 
                                          "standout")),
 
428
                 "bold,underline,blink,standout", "default",
 
429
                 "bold,underline,blink,standout"),
450
430
                ))
451
431
        
452
432
        if urwid.supports_unicode():
467
447
        self.log = []
468
448
        self.max_log_length = max_log_length
469
449
        
 
450
        self.log_level = log_level
 
451
        
470
452
        # We keep a reference to the log widget so we can remove it
471
453
        # from the ListWalker without it getting destroyed
472
454
        self.logbox = ConstrainedListBox(self.log)
486
468
        self.main_loop = gobject.MainLoop()
487
469
    
488
470
    def client_not_found(self, fingerprint, address):
489
 
        self.log_message(("Client with address %s and fingerprint %s"
490
 
                          " could not be found" % (address,
491
 
                                                    fingerprint)))
 
471
        self.log_message("Client with address {} and fingerprint {}"
 
472
                         " could not be found"
 
473
                         .format(address, fingerprint))
492
474
    
493
475
    def rebuild(self):
494
476
        """This rebuilds the User Interface.
506
488
            self.uilist.append(self.logbox)
507
489
        self.topwidget = urwid.Pile(self.uilist)
508
490
    
509
 
    def log_message(self, message):
 
491
    def log_message(self, message, level=1):
 
492
        """Log message formatted with timestamp"""
 
493
        if level < self.log_level:
 
494
            return
510
495
        timestamp = datetime.datetime.now().isoformat()
511
 
        self.log_message_raw(timestamp + ": " + message)
 
496
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
                             level=level)
512
498
    
513
 
    def log_message_raw(self, markup):
 
499
    def log_message_raw(self, markup, level=1):
514
500
        """Add a log message to the log buffer."""
 
501
        if level < self.log_level:
 
502
            return
515
503
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
516
504
        if (self.max_log_length
517
505
            and len(self.log) > self.max_log_length):
524
512
        """Toggle visibility of the log buffer."""
525
513
        self.log_visible = not self.log_visible
526
514
        self.rebuild()
527
 
        #self.log_message("Log visibility changed to: "
528
 
        #                 + unicode(self.log_visible))
 
515
        self.log_message("Log visibility changed to: {}"
 
516
                         .format(self.log_visible), level=0)
529
517
    
530
518
    def change_log_display(self):
531
519
        """Change type of log display.
536
524
            self.log_wrap = "clip"
537
525
        for textwidget in self.log:
538
526
            textwidget.set_wrap_mode(self.log_wrap)
539
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
527
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
528
                         level=0)
540
529
    
541
 
    def find_and_remove_client(self, path, name):
 
530
    def find_and_remove_client(self, path, interfaces):
542
531
        """Find a client by its object path and remove it.
543
532
        
544
 
        This is connected to the ClientRemoved signal from the
 
533
        This is connected to the InterfacesRemoved signal from the
545
534
        Mandos server object."""
 
535
        if client_interface not in interfaces:
 
536
            # Not a Mandos client object; ignore
 
537
            return
546
538
        try:
547
539
            client = self.clients_dict[path]
548
540
        except KeyError:
549
541
            # not found?
550
 
            self.log_message("Unknown client %r (%r) removed", name,
551
 
                             path)
 
542
            self.log_message("Unknown client {!r} removed"
 
543
                             .format(path))
552
544
            return
553
545
        client.delete()
554
546
    
555
 
    def add_new_client(self, path):
 
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
556
556
        client_proxy_object = self.bus.get_object(self.busname, path)
557
557
        self.add_client(MandosClientWidget(server_proxy_object
558
558
                                           =self.mandos_serv,
563
563
                                           delete_hook
564
564
                                           =self.remove_client,
565
565
                                           logger
566
 
                                           =self.log_message),
 
566
                                           =self.log_message,
 
567
                                           properties
 
568
                                           = dict(ifs_and_props[
 
569
                                               client_interface])),
567
570
                        path=path)
568
571
    
569
572
    def add_client(self, client, path=None):
571
574
        if path is None:
572
575
            path = client.proxy.object_path
573
576
        self.clients_dict[path] = client
574
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
577
        self.clients.sort(key=lambda c: c.properties["Name"])
575
578
        self.refresh()
576
579
    
577
580
    def remove_client(self, client, path=None):
579
582
        if path is None:
580
583
            path = client.proxy.object_path
581
584
        del self.clients_dict[path]
582
 
        if not self.clients_dict:
583
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
584
 
            # is completely emptied, we need to recreate it.
585
 
            self.clients = urwid.SimpleListWalker([])
586
 
            self.rebuild()
587
585
        self.refresh()
588
586
    
589
587
    def refresh(self):
602
600
        try:
603
601
            mandos_clients = (self.mandos_serv
604
602
                              .GetAllClientsWithProperties())
 
603
            if not mandos_clients:
 
604
                self.log_message_raw(("bold", "Note: Server has no clients."))
605
605
        except dbus.exceptions.DBusException:
 
606
            self.log_message_raw(("bold", "Note: No Mandos server running."))
606
607
            mandos_clients = dbus.Dictionary()
607
608
        
608
609
        (self.mandos_serv
609
 
         .connect_to_signal("ClientRemoved",
 
610
         .connect_to_signal("InterfacesRemoved",
610
611
                            self.find_and_remove_client,
611
 
                            dbus_interface=server_interface,
 
612
                            dbus_interface
 
613
                            = dbus.OBJECT_MANAGER_IFACE,
612
614
                            byte_arrays=True))
613
615
        (self.mandos_serv
614
 
         .connect_to_signal("ClientAdded",
 
616
         .connect_to_signal("InterfacesAdded",
615
617
                            self.add_new_client,
616
 
                            dbus_interface=server_interface,
 
618
                            dbus_interface
 
619
                            = dbus.OBJECT_MANAGER_IFACE,
617
620
                            byte_arrays=True))
618
621
        (self.mandos_serv
619
622
         .connect_to_signal("ClientNotFound",
620
623
                            self.client_not_found,
621
624
                            dbus_interface=server_interface,
622
625
                            byte_arrays=True))
623
 
        for path, client in mandos_clients.iteritems():
 
626
        for path, client in mandos_clients.items():
624
627
            client_proxy_object = self.bus.get_object(self.busname,
625
628
                                                      path)
626
629
            self.add_client(MandosClientWidget(server_proxy_object
635
638
                                               logger
636
639
                                               =self.log_message),
637
640
                            path=path)
638
 
 
 
641
        
639
642
        self.refresh()
640
643
        self._input_callback_tag = (gobject.io_add_watch
641
644
                                    (sys.stdin.fileno(),
673
676
            elif key == "window resize":
674
677
                self.size = self.screen.get_cols_rows()
675
678
                self.refresh()
676
 
            elif key == "\f":  # Ctrl-L
 
679
            elif key == "ctrl l":
 
680
                self.screen.clear()
677
681
                self.refresh()
678
682
            elif key == "l" or key == "D":
679
683
                self.toggle_log_display()
691
695
                                            "?: Help",
692
696
                                            "l: Log window toggle",
693
697
                                            "TAB: Switch window",
694
 
                                            "w: Wrap (log)"))))
 
698
                                            "w: Wrap (log lines)",
 
699
                                            "v: Toggle verbose log",
 
700
                                            ))))
695
701
                self.log_message_raw(("bold",
696
702
                                      "  "
697
703
                                      .join(("Clients:",
710
716
                else:
711
717
                    self.topwidget.set_focus(self.logbox)
712
718
                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")
713
726
            #elif (key == "end" or key == "meta >" or key == "G"
714
727
            #      or key == ">"):
715
728
            #    pass            # xxx end-of-buffer
738
751
    ui.run()
739
752
except KeyboardInterrupt:
740
753
    ui.screen.stop()
741
 
except Exception, e:
742
 
    ui.log_message(unicode(e))
 
754
except Exception as e:
 
755
    ui.log_message(str(e))
743
756
    ui.screen.stop()
744
757
    raise