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  • Committer: Teddy Hogeborn
  • Date: 2011-07-25 18:49:17 UTC
  • Revision ID: teddy@fukt.bsnet.se-20110725184917-m9eov06ex6vn9877
* mandos-monitor (MandosClientPropertyCache): Save match tag for
                                              PropertyChanged signal.
  (MandosClientPropertyCache.delete): New; unregister signal.
  (MandosClientWidget.__init__): Save matches for signals.
  (MandosClientWidget): Unregister signals.
  (UserInterface.find_and_remove_client): Log message when removing
                                          a nonexisting client.  Call
                                          client.delete() instead of
                                          self.remove_client().

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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
57
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
50
 
59
51
# Some useful constants
60
 
domain = 'se.recompile'
 
52
domain = 'se.bsnet.fukt'
61
53
server_interface = domain + '.Mandos'
62
54
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
 
55
version = "1.3.0"
 
56
 
 
57
# Always run in monochrome mode
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
61
# use for underline on its own, we make underline also always blink.
 
62
urwid.curses_display.curses.A_UNDERLINE |= (
 
63
    urwid.curses_display.curses.A_BLINK)
64
64
 
65
65
def isoformat_to_datetime(iso):
66
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
83
83
    properties and calls a hook function when any of them are
84
84
    changed.
85
85
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
87
87
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
89
90
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
93
94
                                         byte_arrays=True))
94
95
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
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)
102
103
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
 
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.
106
107
        """
107
108
        # Update properties dict with new value
108
 
        self.properties.update(properties)
 
109
        self.properties[property] = value
109
110
    
110
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
111
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
112
115
 
113
116
 
114
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
119
    """
117
120
    
118
121
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
120
123
        # Called on update
121
124
        self.update_hook = update_hook
122
125
        # Called on delete
127
130
        self.logger = logger
128
131
        
129
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
130
135
        
131
136
        # The widget shown normally
132
137
        self._text_widget = urwid.Text("")
133
138
        # The widget shown when we have focus
134
139
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
136
143
        self.update()
137
144
        self.opened = False
138
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
        
139
164
        self.match_objects = (
140
165
            self.proxy.connect_to_signal("CheckerCompleted",
141
166
                                         self.checker_completed,
157
182
                                         self.rejected,
158
183
                                         client_interface,
159
184
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
162
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
        
163
193
    def using_timer(self, flag):
164
194
        """Call this method with True or False when timer should be
165
195
        activated or deactivated.
166
196
        """
167
 
        if flag and self._update_timer_callback_tag is None:
168
 
            # Will update the shown timer value every second
 
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:
169
203
            self._update_timer_callback_tag = (gobject.timeout_add
170
204
                                               (1000,
171
205
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
 
206
        elif old and self._update_timer_callback_lock == 0:
173
207
            gobject.source_remove(self._update_timer_callback_tag)
174
208
            self._update_timer_callback_tag = None
175
209
    
176
 
    def checker_completed(self, exitstatus, signal, command):
 
210
    def checker_completed(self, exitstatus, condition, command):
177
211
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
 
212
            if self.last_checker_failed:
 
213
                self.last_checker_failed = False
 
214
                self.using_timer(False)
 
215
            #self.logger('Checker for client %s (command "%s")'
 
216
            #            ' was successful'
 
217
            #            % (self.properties["Name"], command))
181
218
            self.update()
182
219
            return
183
220
        # Checker failed
184
 
        if exitstatus >= 0:
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                exitstatus))
189
 
        elif signal != 0:
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                signal))
 
221
        if not self.last_checker_failed:
 
222
            self.last_checker_failed = True
 
223
            self.using_timer(True)
 
224
        if os.WIFEXITED(condition):
 
225
            self.logger('Checker for client %s (command "%s")'
 
226
                        ' failed with exit code %s'
 
227
                        % (self.properties["Name"], command,
 
228
                           os.WEXITSTATUS(condition)))
 
229
        elif os.WIFSIGNALED(condition):
 
230
            self.logger('Checker for client %s (command "%s")'
 
231
                        ' was killed by signal %s'
 
232
                        % (self.properties["Name"], command,
 
233
                           os.WTERMSIG(condition)))
 
234
        elif os.WCOREDUMP(condition):
 
235
            self.logger('Checker for client %s (command "%s")'
 
236
                        ' dumped core'
 
237
                        % (self.properties["Name"], command))
194
238
        else:
195
 
            self.logger('Checker for client {} completed'
196
 
                        ' mysteriously'
197
 
                        .format(self.properties["Name"]))
 
239
            self.logger('Checker for client %s completed'
 
240
                        ' mysteriously')
198
241
        self.update()
199
242
    
200
243
    def checker_started(self, command):
201
 
        """Server signals that a checker started."""
202
 
        self.logger('Client {} started checker "{}"'
203
 
                    .format(self.properties["Name"],
204
 
                            command), level=0)
 
244
        #self.logger('Client %s started checker "%s"'
 
245
        #            % (self.properties["Name"], unicode(command)))
 
246
        pass
205
247
    
206
248
    def got_secret(self):
207
 
        self.logger('Client {} received its secret'
208
 
                    .format(self.properties["Name"]))
 
249
        self.last_checker_failed = False
 
250
        self.logger('Client %s received its secret'
 
251
                    % self.properties["Name"])
209
252
    
210
253
    def need_approval(self, timeout, default):
211
254
        if not default:
212
 
            message = 'Client {} needs approval within {} seconds'
 
255
            message = 'Client %s needs approval within %s seconds'
213
256
        else:
214
 
            message = 'Client {} will get its secret in {} seconds'
215
 
        self.logger(message.format(self.properties["Name"],
216
 
                                   timeout/1000))
 
257
            message = 'Client %s will get its secret in %s seconds'
 
258
        self.logger(message
 
259
                    % (self.properties["Name"], timeout/1000))
 
260
        self.using_timer(True)
217
261
    
218
262
    def rejected(self, reason):
219
 
        self.logger('Client {} was rejected; reason: {}'
220
 
                    .format(self.properties["Name"], reason))
 
263
        self.logger('Client %s was rejected; reason: %s'
 
264
                    % (self.properties["Name"], reason))
221
265
    
222
266
    def selectable(self):
223
267
        """Make this a "selectable" widget.
245
289
                          "bold-underline-blink":
246
290
                              "bold-underline-blink-standout",
247
291
                          }
248
 
        
 
292
 
249
293
        # Rebuild focus and non-focus widgets using current properties
250
 
        
 
294
 
251
295
        # Base part of a client. Name!
252
 
        base = '{name}: '.format(name=self.properties["Name"])
 
296
        base = ('%(name)s: '
 
297
                      % {"name": self.properties["Name"]})
253
298
        if not self.properties["Enabled"]:
254
299
            message = "DISABLED"
255
 
            self.using_timer(False)
256
300
        elif self.properties["ApprovalPending"]:
257
301
            timeout = datetime.timedelta(milliseconds
258
302
                                         = self.properties
260
304
            last_approval_request = isoformat_to_datetime(
261
305
                self.properties["LastApprovalRequest"])
262
306
            if last_approval_request is not None:
263
 
                timer = max(timeout - (datetime.datetime.utcnow()
264
 
                                       - last_approval_request),
265
 
                            datetime.timedelta())
 
307
                timer = timeout - (datetime.datetime.utcnow()
 
308
                                   - last_approval_request)
266
309
            else:
267
310
                timer = datetime.timedelta()
268
311
            if self.properties["ApprovedByDefault"]:
269
 
                message = "Approval in {}. (d)eny?"
270
 
            else:
271
 
                message = "Denial in {}. (a)pprove?"
272
 
            message = message.format(str(timer).rsplit(".", 1)[0])
273
 
            self.using_timer(True)
274
 
        elif self.properties["LastCheckerStatus"] != 0:
275
 
            # When checker has failed, show timer until client expires
276
 
            expires = self.properties["Expires"]
277
 
            if expires == "":
278
 
                timer = datetime.timedelta(0)
279
 
            else:
280
 
                expires = (datetime.datetime.strptime
281
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
 
                timer = max(expires - datetime.datetime.utcnow(),
283
 
                            datetime.timedelta())
 
312
                message = "Approval in %s. (d)eny?"
 
313
            else:
 
314
                message = "Denial in %s. (a)pprove?"
 
315
            message = message % unicode(timer).rsplit(".", 1)[0]
 
316
        elif self.last_checker_failed:
 
317
            timeout = datetime.timedelta(milliseconds
 
318
                                         = self.properties
 
319
                                         ["Timeout"])
 
320
            last_ok = isoformat_to_datetime(
 
321
                max((self.properties["LastCheckedOK"]
 
322
                     or self.properties["Created"]),
 
323
                    self.properties["LastEnabled"]))
 
324
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
284
325
            message = ('A checker has failed! Time until client'
285
 
                       ' gets disabled: {}'
286
 
                       .format(str(timer).rsplit(".", 1)[0]))
287
 
            self.using_timer(True)
 
326
                       ' gets disabled: %s'
 
327
                           % unicode(timer).rsplit(".", 1)[0])
288
328
        else:
289
329
            message = "enabled"
290
 
            self.using_timer(False)
291
 
        self._text = "{}{}".format(base, message)
292
 
        
 
330
        self._text = "%s%s" % (base, message)
 
331
            
293
332
        if not urwid.supports_unicode():
294
333
            self._text = self._text.encode("ascii", "replace")
295
334
        textlist = [("normal", self._text)]
307
346
            self.update_hook()
308
347
    
309
348
    def update_timer(self):
310
 
        """called by gobject. Will indefinitely loop until
311
 
        gobject.source_remove() on tag is called"""
 
349
        "called by gobject"
312
350
        self.update()
313
351
        return True             # Keep calling this
314
352
    
315
 
    def delete(self, **kwargs):
 
353
    def delete(self, *args, **kwargs):
316
354
        if self._update_timer_callback_tag is not None:
317
355
            gobject.source_remove(self._update_timer_callback_tag)
318
356
            self._update_timer_callback_tag = None
321
359
        self.match_objects = ()
322
360
        if self.delete_hook is not None:
323
361
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
362
        return super(MandosClientWidget, self).delete(*args, **kwargs)
325
363
    
326
364
    def render(self, maxcolrow, focus=False):
327
365
        """Render differently if we have focus.
333
371
        """Handle keys.
334
372
        This overrides the method from urwid.FlowWidget"""
335
373
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
374
            self.proxy.Enable(dbus_interface = client_interface,
 
375
                              ignore_reply=True)
339
376
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
377
            self.proxy.Disable(dbus_interface = client_interface,
 
378
                               ignore_reply=True)
343
379
        elif key == "a":
344
380
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
381
                               dbus_interface = client_interface,
353
389
                                                  .object_path,
354
390
                                                  ignore_reply=True)
355
391
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
392
            self.proxy.StartChecker(dbus_interface = client_interface,
 
393
                                    ignore_reply=True)
359
394
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
395
            self.proxy.StopChecker(dbus_interface = client_interface,
 
396
                                   ignore_reply=True)
363
397
        elif key == "C":
364
398
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
399
                                 ignore_reply=True)
373
407
        else:
374
408
            return key
375
409
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
410
    def property_changed(self, property=None, value=None,
 
411
                         *args, **kwargs):
 
412
        """Call self.update() if old value is not new value.
378
413
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
414
        property_name = unicode(property)
 
415
        old_value = self.properties.get(property_name)
 
416
        super(MandosClientWidget, self).property_changed(
 
417
            property=property, value=value, *args, **kwargs)
 
418
        if self.properties.get(property_name) != old_value:
385
419
            self.update()
386
420
 
387
421
 
390
424
    "down" key presses, thus not allowing any containing widgets to
391
425
    use them as an excuse to shift focus away from this widget.
392
426
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
427
    def keypress(self, maxcolrow, key):
 
428
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
395
429
        if ret in ("up", "down"):
396
430
            return
397
431
        return ret
401
435
    """This is the entire user interface - the whole screen
402
436
    with boxes, lists of client widgets, etc.
403
437
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
438
    def __init__(self, max_log_length=1000):
405
439
        DBusGMainLoop(set_as_default=True)
406
440
        
407
441
        self.screen = urwid.curses_display.Screen()
410
444
                ("normal",
411
445
                 "default", "default", None),
412
446
                ("bold",
413
 
                 "bold", "default", "bold"),
 
447
                 "default", "default", "bold"),
414
448
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
 
449
                 "default", "default", "underline"),
416
450
                ("standout",
417
 
                 "standout", "default", "standout"),
 
451
                 "default", "default", "standout"),
418
452
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
453
                 "default", "default", ("bold", "underline")),
420
454
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
 
455
                 "default", "default", ("bold", "standout")),
422
456
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
 
457
                 "default", "default", ("underline", "standout")),
425
458
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
459
                 "default", "default", ("bold", "underline",
 
460
                                          "standout")),
428
461
                ))
429
462
        
430
463
        if urwid.supports_unicode():
445
478
        self.log = []
446
479
        self.max_log_length = max_log_length
447
480
        
448
 
        self.log_level = log_level
449
 
        
450
481
        # We keep a reference to the log widget so we can remove it
451
482
        # from the ListWalker without it getting destroyed
452
483
        self.logbox = ConstrainedListBox(self.log)
464
495
        
465
496
        self.busname = domain + '.Mandos'
466
497
        self.main_loop = gobject.MainLoop()
 
498
        self.bus = dbus.SystemBus()
 
499
        mandos_dbus_objc = self.bus.get_object(
 
500
            self.busname, "/", follow_name_owner_changes=True)
 
501
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
502
                                          dbus_interface
 
503
                                          = server_interface)
 
504
        try:
 
505
            mandos_clients = (self.mandos_serv
 
506
                              .GetAllClientsWithProperties())
 
507
        except dbus.exceptions.DBusException:
 
508
            mandos_clients = dbus.Dictionary()
 
509
        
 
510
        (self.mandos_serv
 
511
         .connect_to_signal("ClientRemoved",
 
512
                            self.find_and_remove_client,
 
513
                            dbus_interface=server_interface,
 
514
                            byte_arrays=True))
 
515
        (self.mandos_serv
 
516
         .connect_to_signal("ClientAdded",
 
517
                            self.add_new_client,
 
518
                            dbus_interface=server_interface,
 
519
                            byte_arrays=True))
 
520
        (self.mandos_serv
 
521
         .connect_to_signal("ClientNotFound",
 
522
                            self.client_not_found,
 
523
                            dbus_interface=server_interface,
 
524
                            byte_arrays=True))
 
525
        for path, client in mandos_clients.iteritems():
 
526
            client_proxy_object = self.bus.get_object(self.busname,
 
527
                                                      path)
 
528
            self.add_client(MandosClientWidget(server_proxy_object
 
529
                                               =self.mandos_serv,
 
530
                                               proxy_object
 
531
                                               =client_proxy_object,
 
532
                                               properties=client,
 
533
                                               update_hook
 
534
                                               =self.refresh,
 
535
                                               delete_hook
 
536
                                               =self.remove_client,
 
537
                                               logger
 
538
                                               =self.log_message),
 
539
                            path=path)
467
540
    
468
541
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
 
542
        self.log_message(("Client with address %s and fingerprint %s"
 
543
                          " could not be found" % (address,
 
544
                                                    fingerprint)))
472
545
    
473
546
    def rebuild(self):
474
547
        """This rebuilds the User Interface.
484
557
                                                     self.divider)))
485
558
        if self.log_visible:
486
559
            self.uilist.append(self.logbox)
 
560
            pass
487
561
        self.topwidget = urwid.Pile(self.uilist)
488
562
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
563
    def log_message(self, message):
493
564
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
565
        self.log_message_raw(timestamp + ": " + message)
496
566
    
497
 
    def log_message_raw(self, markup, level=1):
 
567
    def log_message_raw(self, markup):
498
568
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
569
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
570
        if (self.max_log_length
503
571
            and len(self.log) > self.max_log_length):
510
578
        """Toggle visibility of the log buffer."""
511
579
        self.log_visible = not self.log_visible
512
580
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
581
        #self.log_message("Log visibility changed to: "
 
582
        #                 + unicode(self.log_visible))
515
583
    
516
584
    def change_log_display(self):
517
585
        """Change type of log display.
522
590
            self.log_wrap = "clip"
523
591
        for textwidget in self.log:
524
592
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
593
        #self.log_message("Wrap mode: " + self.log_wrap)
527
594
    
528
595
    def find_and_remove_client(self, path, name):
529
596
        """Find a client by its object path and remove it.
534
601
            client = self.clients_dict[path]
535
602
        except KeyError:
536
603
            # not found?
537
 
            self.log_message("Unknown client {!r} ({!r}) removed"
538
 
                             .format(name, path))
 
604
            self.log_message("Unknown client %r (%r) removed", name,
 
605
                             path)
539
606
            return
540
607
        client.delete()
541
608
    
558
625
        if path is None:
559
626
            path = client.proxy.object_path
560
627
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
628
        self.clients.sort(None, lambda c: c.properties["Name"])
562
629
        self.refresh()
563
630
    
564
631
    def remove_client(self, client, path=None):
566
633
        if path is None:
567
634
            path = client.proxy.object_path
568
635
        del self.clients_dict[path]
 
636
        if not self.clients_dict:
 
637
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
638
            # is completely emptied, we need to recreate it.
 
639
            self.clients = urwid.SimpleListWalker([])
 
640
            self.rebuild()
569
641
        self.refresh()
570
642
    
571
643
    def refresh(self):
575
647
    
576
648
    def run(self):
577
649
        """Start the main loop and exit when it's done."""
578
 
        self.bus = dbus.SystemBus()
579
 
        mandos_dbus_objc = self.bus.get_object(
580
 
            self.busname, "/", follow_name_owner_changes=True)
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
582
 
                                          dbus_interface
583
 
                                          = server_interface)
584
 
        try:
585
 
            mandos_clients = (self.mandos_serv
586
 
                              .GetAllClientsWithProperties())
587
 
            if not mandos_clients:
588
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
589
 
        except dbus.exceptions.DBusException:
590
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
591
 
            mandos_clients = dbus.Dictionary()
592
 
        
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientRemoved",
595
 
                            self.find_and_remove_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientAdded",
600
 
                            self.add_new_client,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        (self.mandos_serv
604
 
         .connect_to_signal("ClientNotFound",
605
 
                            self.client_not_found,
606
 
                            dbus_interface=server_interface,
607
 
                            byte_arrays=True))
608
 
        for path, client in mandos_clients.items():
609
 
            client_proxy_object = self.bus.get_object(self.busname,
610
 
                                                      path)
611
 
            self.add_client(MandosClientWidget(server_proxy_object
612
 
                                               =self.mandos_serv,
613
 
                                               proxy_object
614
 
                                               =client_proxy_object,
615
 
                                               properties=client,
616
 
                                               update_hook
617
 
                                               =self.refresh,
618
 
                                               delete_hook
619
 
                                               =self.remove_client,
620
 
                                               logger
621
 
                                               =self.log_message),
622
 
                            path=path)
623
 
        
624
650
        self.refresh()
625
651
        self._input_callback_tag = (gobject.io_add_watch
626
652
                                    (sys.stdin.fileno(),
658
684
            elif key == "window resize":
659
685
                self.size = self.screen.get_cols_rows()
660
686
                self.refresh()
661
 
            elif key == "ctrl l":
662
 
                self.screen.clear()
 
687
            elif key == "\f":  # Ctrl-L
663
688
                self.refresh()
664
689
            elif key == "l" or key == "D":
665
690
                self.toggle_log_display()
677
702
                                            "?: Help",
678
703
                                            "l: Log window toggle",
679
704
                                            "TAB: Switch window",
680
 
                                            "w: Wrap (log lines)",
681
 
                                            "v: Toggle verbose log",
682
 
                                            ))))
 
705
                                            "w: Wrap (log)"))))
683
706
                self.log_message_raw(("bold",
684
707
                                      "  "
685
708
                                      .join(("Clients:",
698
721
                else:
699
722
                    self.topwidget.set_focus(self.logbox)
700
723
                self.refresh()
701
 
            elif key == "v":
702
 
                if self.log_level == 0:
703
 
                    self.log_level = 1
704
 
                    self.log_message("Verbose mode: Off")
705
 
                else:
706
 
                    self.log_level = 0
707
 
                    self.log_message("Verbose mode: On")
708
724
            #elif (key == "end" or key == "meta >" or key == "G"
709
725
            #      or key == ">"):
710
726
            #    pass            # xxx end-of-buffer
733
749
    ui.run()
734
750
except KeyboardInterrupt:
735
751
    ui.screen.stop()
736
 
except Exception as e:
737
 
    ui.log_message(str(e))
 
752
except Exception, e:
 
753
    ui.log_message(unicode(e))
738
754
    ui.screen.stop()
739
755
    raise