/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos-monitor

  • Committer: Teddy Hogeborn
  • Date: 2011-07-16 00:29:19 UTC
  • Revision ID: teddy@fukt.bsnet.se-20110716002919-r77yikuiulj42o40
* initramfs-tools-script: Abort if plugin-runner is missing.  Removed
                          workaround for Debian bug #633582; the
                          workaround required getopt, which can not be
                          guaranteed.
* plugin-runner.c (main): Work around Debian bug #633582.
* plugins.d/mandos-client.c (main): - '' -

Show diffs side-by-side

added added

removed removed

Lines of Context:
mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
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
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
25
from __future__ import division, absolute_import, print_function, unicode_literals
32
26
 
33
27
import sys
34
28
import os
 
29
import signal
35
30
 
36
31
import datetime
37
32
 
39
34
import urwid
40
35
 
41
36
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
37
import gobject
46
38
 
47
39
import dbus
48
40
 
 
41
import UserList
 
42
 
49
43
import locale
50
44
 
51
 
if sys.version_info[0] == 2:
52
 
    str = unicode
53
 
 
54
45
locale.setlocale(locale.LC_ALL, '')
55
46
 
56
47
import logging
57
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
49
 
59
50
# Some useful constants
60
 
domain = 'se.recompile'
 
51
domain = 'se.bsnet.fukt'
61
52
server_interface = domain + '.Mandos'
62
53
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.6"
 
54
version = "1.3.0"
 
55
 
 
56
# Always run in monochrome mode
 
57
urwid.curses_display.curses.has_colors = lambda : False
 
58
 
 
59
# Urwid doesn't support blinking, but we want it.  Since we have no
 
60
# use for underline on its own, we make underline also always blink.
 
61
urwid.curses_display.curses.A_UNDERLINE |= (
 
62
    urwid.curses_display.curses.A_BLINK)
64
63
 
65
64
def isoformat_to_datetime(iso):
66
65
    "Parse an ISO 8601 date string to a datetime.datetime()"
83
82
    properties and calls a hook function when any of them are
84
83
    changed.
85
84
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
85
    def __init__(self, proxy_object=None, *args, **kwargs):
87
86
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
 
87
        
 
88
        self.properties = dict()
 
89
        self.proxy.connect_to_signal("PropertyChanged",
 
90
                                     self.property_changed,
 
91
                                     client_interface,
 
92
                                     byte_arrays=True)
 
93
        
 
94
        self.properties.update(
 
95
            self.proxy.GetAll(client_interface,
 
96
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
97
 
 
98
        #XXX This break good super behaviour!
 
99
#        super(MandosClientPropertyCache, self).__init__(
 
100
#            *args, **kwargs)
106
101
    
107
102
    def property_changed(self, property=None, value=None):
108
103
        """This is called whenever we get a PropertyChanged signal
110
105
        """
111
106
        # Update properties dict with new value
112
107
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
108
 
117
109
 
118
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
112
    """
121
113
    
122
114
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
115
                 delete_hook=None, logger=None, *args, **kwargs):
124
116
        # Called on update
125
117
        self.update_hook = update_hook
126
118
        # Called on delete
131
123
        self.logger = logger
132
124
        
133
125
        self._update_timer_callback_tag = None
 
126
        self._update_timer_callback_lock = 0
 
127
        self.last_checker_failed = False
134
128
        
135
129
        # The widget shown normally
136
130
        self._text_widget = urwid.Text("")
137
131
        # The widget shown when we have focus
138
132
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
133
        super(MandosClientWidget, self).__init__(
 
134
            update_hook=update_hook, delete_hook=delete_hook,
 
135
            *args, **kwargs)
140
136
        self.update()
141
137
        self.opened = False
142
138
        
143
 
        self.match_objects = (
144
 
            self.proxy.connect_to_signal("CheckerCompleted",
145
 
                                         self.checker_completed,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("CheckerStarted",
149
 
                                         self.checker_started,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("GotSecret",
153
 
                                         self.got_secret,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("NeedApproval",
157
 
                                         self.need_approval,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("Rejected",
161
 
                                         self.rejected,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True))
164
 
        self.logger('Created client {0}'
165
 
                    .format(self.properties["Name"]), level=0)
 
139
        last_checked_ok = isoformat_to_datetime(self.properties
 
140
                                                ["LastCheckedOK"])
 
141
        if last_checked_ok is None:
 
142
            self.last_checker_failed = True
 
143
        else:
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
145
                                         - last_checked_ok)
 
146
                                        > datetime.timedelta
 
147
                                        (milliseconds=
 
148
                                         self.properties
 
149
                                         ["Interval"]))
 
150
        
 
151
        if self.last_checker_failed:
 
152
            self.using_timer(True)
 
153
        
 
154
        if self.need_approval:
 
155
            self.using_timer(True)
 
156
        
 
157
        self.proxy.connect_to_signal("CheckerCompleted",
 
158
                                     self.checker_completed,
 
159
                                     client_interface,
 
160
                                     byte_arrays=True)
 
161
        self.proxy.connect_to_signal("CheckerStarted",
 
162
                                     self.checker_started,
 
163
                                     client_interface,
 
164
                                     byte_arrays=True)
 
165
        self.proxy.connect_to_signal("GotSecret",
 
166
                                     self.got_secret,
 
167
                                     client_interface,
 
168
                                     byte_arrays=True)
 
169
        self.proxy.connect_to_signal("NeedApproval",
 
170
                                     self.need_approval,
 
171
                                     client_interface,
 
172
                                     byte_arrays=True)
 
173
        self.proxy.connect_to_signal("Rejected",
 
174
                                     self.rejected,
 
175
                                     client_interface,
 
176
                                     byte_arrays=True)
166
177
    
 
178
    def property_changed(self, property=None, value=None):
 
179
        super(self, MandosClientWidget).property_changed(property,
 
180
                                                         value)
 
181
        if property == "ApprovalPending":
 
182
            using_timer(bool(value))
 
183
        
167
184
    def using_timer(self, flag):
168
185
        """Call this method with True or False when timer should be
169
186
        activated or deactivated.
170
187
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # Will update the shown timer value every second
 
188
        old = self._update_timer_callback_lock
 
189
        if flag:
 
190
            self._update_timer_callback_lock += 1
 
191
        else:
 
192
            self._update_timer_callback_lock -= 1
 
193
        if old == 0 and self._update_timer_callback_lock:
173
194
            self._update_timer_callback_tag = (gobject.timeout_add
174
195
                                               (1000,
175
196
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
 
197
        elif old and self._update_timer_callback_lock == 0:
177
198
            gobject.source_remove(self._update_timer_callback_tag)
178
199
            self._update_timer_callback_tag = None
179
200
    
180
201
    def checker_completed(self, exitstatus, condition, command):
181
202
        if exitstatus == 0:
182
 
            self.logger('Checker for client {0} (command "{1}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            command), level=0)
 
203
            if self.last_checker_failed:
 
204
                self.last_checker_failed = False
 
205
                self.using_timer(False)
 
206
            #self.logger('Checker for client %s (command "%s")'
 
207
            #            ' was successful'
 
208
            #            % (self.properties["Name"], command))
185
209
            self.update()
186
210
            return
187
211
        # Checker failed
 
212
        if not self.last_checker_failed:
 
213
            self.last_checker_failed = True
 
214
            self.using_timer(True)
188
215
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
 
216
            self.logger('Checker for client %s (command "%s")'
 
217
                        ' failed with exit code %s'
 
218
                        % (self.properties["Name"], command,
 
219
                           os.WEXITSTATUS(condition)))
193
220
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
 
221
            self.logger('Checker for client %s (command "%s")'
 
222
                        ' was killed by signal %s'
 
223
                        % (self.properties["Name"], command,
 
224
                           os.WTERMSIG(condition)))
198
225
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
 
226
            self.logger('Checker for client %s (command "%s")'
200
227
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
 
228
                        % (self.properties["Name"], command))
202
229
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
 
230
            self.logger('Checker for client %s completed'
 
231
                        ' mysteriously')
206
232
        self.update()
207
233
    
208
234
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {0} started checker "{1}"'
211
 
                    .format(self.properties["Name"],
212
 
                            command), level=0)
 
235
        #self.logger('Client %s started checker "%s"'
 
236
        #            % (self.properties["Name"], unicode(command)))
 
237
        pass
213
238
    
214
239
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
 
240
        self.last_checker_failed = False
 
241
        self.logger('Client %s received its secret'
 
242
                    % self.properties["Name"])
217
243
    
218
244
    def need_approval(self, timeout, default):
219
245
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
246
            message = 'Client %s needs approval within %s seconds'
221
247
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
 
248
            message = 'Client %s will get its secret in %s seconds'
 
249
        self.logger(message
 
250
                    % (self.properties["Name"], timeout/1000))
 
251
        self.using_timer(True)
225
252
    
226
253
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
 
254
        self.logger('Client %s was rejected; reason: %s'
 
255
                    % (self.properties["Name"], reason))
229
256
    
230
257
    def selectable(self):
231
258
        """Make this a "selectable" widget.
253
280
                          "bold-underline-blink":
254
281
                              "bold-underline-blink-standout",
255
282
                          }
256
 
        
 
283
 
257
284
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
285
 
259
286
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
 
287
        base = ('%(name)s: '
 
288
                      % {"name": self.properties["Name"]})
261
289
        if not self.properties["Enabled"]:
262
290
            message = "DISABLED"
263
 
            self.using_timer(False)
264
291
        elif self.properties["ApprovalPending"]:
265
292
            timeout = datetime.timedelta(milliseconds
266
293
                                         = self.properties
268
295
            last_approval_request = isoformat_to_datetime(
269
296
                self.properties["LastApprovalRequest"])
270
297
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
274
300
            else:
275
301
                timer = datetime.timedelta()
276
302
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
 
303
                message = "Approval in %s. (d)eny?"
 
304
            else:
 
305
                message = "Denial in %s. (a)pprove?"
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
        elif self.last_checker_failed:
 
308
            timeout = datetime.timedelta(milliseconds
 
309
                                         = self.properties
 
310
                                         ["Timeout"])
 
311
            last_ok = isoformat_to_datetime(
 
312
                max((self.properties["LastCheckedOK"]
 
313
                     or self.properties["Created"]),
 
314
                    self.properties["LastEnabled"]))
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
292
316
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
 
317
                       ' gets disabled: %s'
 
318
                           % unicode(timer).rsplit(".", 1)[0])
296
319
        else:
297
320
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
321
        self._text = "%s%s" % (base, message)
 
322
            
301
323
        if not urwid.supports_unicode():
302
324
            self._text = self._text.encode("ascii", "replace")
303
325
        textlist = [("normal", self._text)]
315
337
            self.update_hook()
316
338
    
317
339
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
340
        "called by gobject"
320
341
        self.update()
321
342
        return True             # Keep calling this
322
343
    
323
 
    def delete(self, **kwargs):
 
344
    def delete(self):
324
345
        if self._update_timer_callback_tag is not None:
325
346
            gobject.source_remove(self._update_timer_callback_tag)
326
347
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
330
348
        if self.delete_hook is not None:
331
349
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
350
    
334
351
    def render(self, maxcolrow, focus=False):
335
352
        """Render differently if we have focus.
377
394
        else:
378
395
            return key
379
396
    
380
 
    def property_changed(self, property=None, **kwargs):
 
397
    def property_changed(self, property=None, value=None,
 
398
                         *args, **kwargs):
381
399
        """Call self.update() if old value is not new value.
382
400
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
401
        property_name = unicode(property)
384
402
        old_value = self.properties.get(property_name)
385
403
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
404
            property=property, value=value, *args, **kwargs)
387
405
        if self.properties.get(property_name) != old_value:
388
406
            self.update()
389
407
 
393
411
    "down" key presses, thus not allowing any containing widgets to
394
412
    use them as an excuse to shift focus away from this widget.
395
413
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
414
    def keypress(self, maxcolrow, key):
 
415
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
398
416
        if ret in ("up", "down"):
399
417
            return
400
418
        return ret
404
422
    """This is the entire user interface - the whole screen
405
423
    with boxes, lists of client widgets, etc.
406
424
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
425
    def __init__(self, max_log_length=1000):
408
426
        DBusGMainLoop(set_as_default=True)
409
427
        
410
428
        self.screen = urwid.curses_display.Screen()
413
431
                ("normal",
414
432
                 "default", "default", None),
415
433
                ("bold",
416
 
                 "bold", "default", "bold"),
 
434
                 "default", "default", "bold"),
417
435
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
 
436
                 "default", "default", "underline"),
419
437
                ("standout",
420
 
                 "standout", "default", "standout"),
 
438
                 "default", "default", "standout"),
421
439
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
440
                 "default", "default", ("bold", "underline")),
423
441
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
 
442
                 "default", "default", ("bold", "standout")),
425
443
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
 
444
                 "default", "default", ("underline", "standout")),
428
445
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
446
                 "default", "default", ("bold", "underline",
 
447
                                          "standout")),
431
448
                ))
432
449
        
433
450
        if urwid.supports_unicode():
448
465
        self.log = []
449
466
        self.max_log_length = max_log_length
450
467
        
451
 
        self.log_level = log_level
452
 
        
453
468
        # We keep a reference to the log widget so we can remove it
454
469
        # from the ListWalker without it getting destroyed
455
470
        self.logbox = ConstrainedListBox(self.log)
467
482
        
468
483
        self.busname = domain + '.Mandos'
469
484
        self.main_loop = gobject.MainLoop()
 
485
        self.bus = dbus.SystemBus()
 
486
        mandos_dbus_objc = self.bus.get_object(
 
487
            self.busname, "/", follow_name_owner_changes=True)
 
488
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
489
                                          dbus_interface
 
490
                                          = server_interface)
 
491
        try:
 
492
            mandos_clients = (self.mandos_serv
 
493
                              .GetAllClientsWithProperties())
 
494
        except dbus.exceptions.DBusException:
 
495
            mandos_clients = dbus.Dictionary()
 
496
        
 
497
        (self.mandos_serv
 
498
         .connect_to_signal("ClientRemoved",
 
499
                            self.find_and_remove_client,
 
500
                            dbus_interface=server_interface,
 
501
                            byte_arrays=True))
 
502
        (self.mandos_serv
 
503
         .connect_to_signal("ClientAdded",
 
504
                            self.add_new_client,
 
505
                            dbus_interface=server_interface,
 
506
                            byte_arrays=True))
 
507
        (self.mandos_serv
 
508
         .connect_to_signal("ClientNotFound",
 
509
                            self.client_not_found,
 
510
                            dbus_interface=server_interface,
 
511
                            byte_arrays=True))
 
512
        for path, client in mandos_clients.iteritems():
 
513
            client_proxy_object = self.bus.get_object(self.busname,
 
514
                                                      path)
 
515
            self.add_client(MandosClientWidget(server_proxy_object
 
516
                                               =self.mandos_serv,
 
517
                                               proxy_object
 
518
                                               =client_proxy_object,
 
519
                                               properties=client,
 
520
                                               update_hook
 
521
                                               =self.refresh,
 
522
                                               delete_hook
 
523
                                               =self.remove_client,
 
524
                                               logger
 
525
                                               =self.log_message),
 
526
                            path=path)
470
527
    
471
528
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {0} and fingerprint"
473
 
                         " {1} could not be found"
474
 
                         .format(address, fingerprint))
 
529
        self.log_message(("Client with address %s and fingerprint %s"
 
530
                          " could not be found" % (address,
 
531
                                                    fingerprint)))
475
532
    
476
533
    def rebuild(self):
477
534
        """This rebuilds the User Interface.
487
544
                                                     self.divider)))
488
545
        if self.log_visible:
489
546
            self.uilist.append(self.logbox)
 
547
            pass
490
548
        self.topwidget = urwid.Pile(self.uilist)
491
549
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
550
    def log_message(self, message):
496
551
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
498
 
                             level=level)
 
552
        self.log_message_raw(timestamp + ": " + message)
499
553
    
500
 
    def log_message_raw(self, markup, level=1):
 
554
    def log_message_raw(self, markup):
501
555
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
556
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
557
        if (self.max_log_length
506
558
            and len(self.log) > self.max_log_length):
513
565
        """Toggle visibility of the log buffer."""
514
566
        self.log_visible = not self.log_visible
515
567
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {0}"
517
 
                         .format(self.log_visible), level=0)
 
568
        #self.log_message("Log visibility changed to: "
 
569
        #                 + unicode(self.log_visible))
518
570
    
519
571
    def change_log_display(self):
520
572
        """Change type of log display.
525
577
            self.log_wrap = "clip"
526
578
        for textwidget in self.log:
527
579
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
529
 
                         level=0)
 
580
        #self.log_message("Wrap mode: " + self.log_wrap)
530
581
    
531
582
    def find_and_remove_client(self, path, name):
532
 
        """Find a client by its object path and remove it.
 
583
        """Find an client from its object path and remove it.
533
584
        
534
585
        This is connected to the ClientRemoved signal from the
535
586
        Mandos server object."""
537
588
            client = self.clients_dict[path]
538
589
        except KeyError:
539
590
            # not found?
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
541
 
                             .format(name, path))
542
591
            return
543
 
        client.delete()
 
592
        self.remove_client(client, path)
544
593
    
545
594
    def add_new_client(self, path):
546
595
        client_proxy_object = self.bus.get_object(self.busname, path)
561
610
        if path is None:
562
611
            path = client.proxy.object_path
563
612
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
613
        self.clients.sort(None, lambda c: c.properties["Name"])
565
614
        self.refresh()
566
615
    
567
616
    def remove_client(self, client, path=None):
569
618
        if path is None:
570
619
            path = client.proxy.object_path
571
620
        del self.clients_dict[path]
 
621
        if not self.clients_dict:
 
622
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
623
            # is completely emptied, we need to recreate it.
 
624
            self.clients = urwid.SimpleListWalker([])
 
625
            self.rebuild()
572
626
        self.refresh()
573
627
    
574
628
    def refresh(self):
578
632
    
579
633
    def run(self):
580
634
        """Start the main loop and exit when it's done."""
581
 
        self.bus = dbus.SystemBus()
582
 
        mandos_dbus_objc = self.bus.get_object(
583
 
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
 
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
 
            mandos_clients = dbus.Dictionary()
595
 
        
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
625
 
                            path=path)
626
 
        
627
635
        self.refresh()
628
636
        self._input_callback_tag = (gobject.io_add_watch
629
637
                                    (sys.stdin.fileno(),
679
687
                                            "?: Help",
680
688
                                            "l: Log window toggle",
681
689
                                            "TAB: Switch window",
682
 
                                            "w: Wrap (log lines)",
683
 
                                            "v: Toggle verbose log",
684
 
                                            ))))
 
690
                                            "w: Wrap (log)"))))
685
691
                self.log_message_raw(("bold",
686
692
                                      "  "
687
693
                                      .join(("Clients:",
700
706
                else:
701
707
                    self.topwidget.set_focus(self.logbox)
702
708
                self.refresh()
703
 
            elif key == "v":
704
 
                if self.log_level == 0:
705
 
                    self.log_level = 1
706
 
                    self.log_message("Verbose mode: Off")
707
 
                else:
708
 
                    self.log_level = 0
709
 
                    self.log_message("Verbose mode: On")
710
709
            #elif (key == "end" or key == "meta >" or key == "G"
711
710
            #      or key == ">"):
712
711
            #    pass            # xxx end-of-buffer
735
734
    ui.run()
736
735
except KeyboardInterrupt:
737
736
    ui.screen.stop()
738
 
except Exception as e:
739
 
    ui.log_message(str(e))
 
737
except Exception, e:
 
738
    ui.log_message(unicode(e))
740
739
    ui.screen.stop()
741
740
    raise