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  • Committer: Teddy Hogeborn
  • Date: 2011-07-27 17:58:27 UTC
  • Revision ID: teddy@fukt.bsnet.se-20110727175827-nrd1ysjl4jrh6qw1
Tags: version-1.3.1-1
* Makefile (version): Changed to "1.3.1".
* NEWS (Version 1.3.1): New entry.
* debian/changelog (1.3.1-1): - '' -

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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 = "1.3.1"
 
56
 
 
57
# Always run in monochrome mode
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
61
# use for underline on its own, we make underline also always blink.
 
62
urwid.curses_display.curses.A_UNDERLINE |= (
 
63
    urwid.curses_display.curses.A_BLINK)
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
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
 
221
        if not self.last_checker_failed:
 
222
            self.last_checker_failed = True
 
223
            self.using_timer(True)
184
224
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                os.WEXITSTATUS(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)))
189
229
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                os.WTERMSIG(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))
 
238
        else:
 
239
            self.logger('Checker for client %s completed'
 
240
                        ' mysteriously')
194
241
        self.update()
195
242
    
196
243
    def checker_started(self, command):
197
 
        """Server signals that a checker started."""
198
 
        self.logger('Client {} started checker "{}"'
199
 
                    .format(self.properties["Name"],
200
 
                            command), level=0)
 
244
        #self.logger('Client %s started checker "%s"'
 
245
        #            % (self.properties["Name"], unicode(command)))
 
246
        pass
201
247
    
202
248
    def got_secret(self):
203
 
        self.logger('Client {} received its secret'
204
 
                    .format(self.properties["Name"]))
 
249
        self.last_checker_failed = False
 
250
        self.logger('Client %s received its secret'
 
251
                    % self.properties["Name"])
205
252
    
206
253
    def need_approval(self, timeout, default):
207
254
        if not default:
208
 
            message = 'Client {} needs approval within {} seconds'
 
255
            message = 'Client %s needs approval within %s seconds'
209
256
        else:
210
 
            message = 'Client {} will get its secret in {} seconds'
211
 
        self.logger(message.format(self.properties["Name"],
212
 
                                   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)
213
261
    
214
262
    def rejected(self, reason):
215
 
        self.logger('Client {} was rejected; reason: {}'
216
 
                    .format(self.properties["Name"], reason))
 
263
        self.logger('Client %s was rejected; reason: %s'
 
264
                    % (self.properties["Name"], reason))
217
265
    
218
266
    def selectable(self):
219
267
        """Make this a "selectable" widget.
241
289
                          "bold-underline-blink":
242
290
                              "bold-underline-blink-standout",
243
291
                          }
244
 
        
 
292
 
245
293
        # Rebuild focus and non-focus widgets using current properties
246
 
        
 
294
 
247
295
        # Base part of a client. Name!
248
 
        base = '{name}: '.format(name=self.properties["Name"])
 
296
        base = ('%(name)s: '
 
297
                      % {"name": self.properties["Name"]})
249
298
        if not self.properties["Enabled"]:
250
299
            message = "DISABLED"
251
 
            self.using_timer(False)
252
300
        elif self.properties["ApprovalPending"]:
253
301
            timeout = datetime.timedelta(milliseconds
254
302
                                         = self.properties
256
304
            last_approval_request = isoformat_to_datetime(
257
305
                self.properties["LastApprovalRequest"])
258
306
            if last_approval_request is not None:
259
 
                timer = max(timeout - (datetime.datetime.utcnow()
260
 
                                       - last_approval_request),
261
 
                            datetime.timedelta())
 
307
                timer = timeout - (datetime.datetime.utcnow()
 
308
                                   - last_approval_request)
262
309
            else:
263
310
                timer = datetime.timedelta()
264
311
            if self.properties["ApprovedByDefault"]:
265
 
                message = "Approval in {}. (d)eny?"
266
 
            else:
267
 
                message = "Denial in {}. (a)pprove?"
268
 
            message = message.format(str(timer).rsplit(".", 1)[0])
269
 
            self.using_timer(True)
270
 
        elif self.properties["LastCheckerStatus"] != 0:
271
 
            # When checker has failed, show timer until client expires
272
 
            expires = self.properties["Expires"]
273
 
            if expires == "":
274
 
                timer = datetime.timedelta(0)
275
 
            else:
276
 
                expires = (datetime.datetime.strptime
277
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
278
 
                timer = max(expires - datetime.datetime.utcnow(),
279
 
                            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)
280
325
            message = ('A checker has failed! Time until client'
281
 
                       ' gets disabled: {}'
282
 
                       .format(str(timer).rsplit(".", 1)[0]))
283
 
            self.using_timer(True)
 
326
                       ' gets disabled: %s'
 
327
                           % unicode(timer).rsplit(".", 1)[0])
284
328
        else:
285
329
            message = "enabled"
286
 
            self.using_timer(False)
287
 
        self._text = "{}{}".format(base, message)
288
 
        
 
330
        self._text = "%s%s" % (base, message)
 
331
            
289
332
        if not urwid.supports_unicode():
290
333
            self._text = self._text.encode("ascii", "replace")
291
334
        textlist = [("normal", self._text)]
303
346
            self.update_hook()
304
347
    
305
348
    def update_timer(self):
306
 
        """called by gobject. Will indefinitely loop until
307
 
        gobject.source_remove() on tag is called"""
 
349
        "called by gobject"
308
350
        self.update()
309
351
        return True             # Keep calling this
310
352
    
311
 
    def delete(self, **kwargs):
 
353
    def delete(self, *args, **kwargs):
312
354
        if self._update_timer_callback_tag is not None:
313
355
            gobject.source_remove(self._update_timer_callback_tag)
314
356
            self._update_timer_callback_tag = None
317
359
        self.match_objects = ()
318
360
        if self.delete_hook is not None:
319
361
            self.delete_hook(self)
320
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
362
        return super(MandosClientWidget, self).delete(*args, **kwargs)
321
363
    
322
364
    def render(self, maxcolrow, focus=False):
323
365
        """Render differently if we have focus.
329
371
        """Handle keys.
330
372
        This overrides the method from urwid.FlowWidget"""
331
373
        if key == "+":
332
 
            self.proxy.Set(client_interface, "Enabled",
333
 
                           dbus.Boolean(True), ignore_reply = True,
334
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
374
            self.proxy.Enable(dbus_interface = client_interface,
 
375
                              ignore_reply=True)
335
376
        elif key == "-":
336
 
            self.proxy.Set(client_interface, "Enabled", False,
337
 
                           ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
377
            self.proxy.Disable(dbus_interface = client_interface,
 
378
                               ignore_reply=True)
339
379
        elif key == "a":
340
380
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
341
381
                               dbus_interface = client_interface,
349
389
                                                  .object_path,
350
390
                                                  ignore_reply=True)
351
391
        elif key == "s":
352
 
            self.proxy.Set(client_interface, "CheckerRunning",
353
 
                           dbus.Boolean(True), ignore_reply = True,
354
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
392
            self.proxy.StartChecker(dbus_interface = client_interface,
 
393
                                    ignore_reply=True)
355
394
        elif key == "S":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(False), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
395
            self.proxy.StopChecker(dbus_interface = client_interface,
 
396
                                   ignore_reply=True)
359
397
        elif key == "C":
360
398
            self.proxy.CheckedOK(dbus_interface = client_interface,
361
399
                                 ignore_reply=True)
369
407
        else:
370
408
            return key
371
409
    
372
 
    def properties_changed(self, interface, properties, invalidated):
373
 
        """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.
374
413
        This overrides the method from MandosClientPropertyCache"""
375
 
        old_values = { key: self.properties.get(key)
376
 
                       for key in properties.keys() }
377
 
        super(MandosClientWidget, self).properties_changed(
378
 
            interface, properties, invalidated)
379
 
        if any(old_values[key] != self.properties.get(key)
380
 
               for key in old_values):
 
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:
381
419
            self.update()
382
420
 
383
421
 
386
424
    "down" key presses, thus not allowing any containing widgets to
387
425
    use them as an excuse to shift focus away from this widget.
388
426
    """
389
 
    def keypress(self, *args, **kwargs):
390
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
427
    def keypress(self, maxcolrow, key):
 
428
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
391
429
        if ret in ("up", "down"):
392
430
            return
393
431
        return ret
397
435
    """This is the entire user interface - the whole screen
398
436
    with boxes, lists of client widgets, etc.
399
437
    """
400
 
    def __init__(self, max_log_length=1000, log_level=1):
 
438
    def __init__(self, max_log_length=1000):
401
439
        DBusGMainLoop(set_as_default=True)
402
440
        
403
441
        self.screen = urwid.curses_display.Screen()
406
444
                ("normal",
407
445
                 "default", "default", None),
408
446
                ("bold",
409
 
                 "bold", "default", "bold"),
 
447
                 "default", "default", "bold"),
410
448
                ("underline-blink",
411
 
                 "underline,blink", "default", "underline,blink"),
 
449
                 "default", "default", "underline"),
412
450
                ("standout",
413
 
                 "standout", "default", "standout"),
 
451
                 "default", "default", "standout"),
414
452
                ("bold-underline-blink",
415
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
453
                 "default", "default", ("bold", "underline")),
416
454
                ("bold-standout",
417
 
                 "bold,standout", "default", "bold,standout"),
 
455
                 "default", "default", ("bold", "standout")),
418
456
                ("underline-blink-standout",
419
 
                 "underline,blink,standout", "default",
420
 
                 "underline,blink,standout"),
 
457
                 "default", "default", ("underline", "standout")),
421
458
                ("bold-underline-blink-standout",
422
 
                 "bold,underline,blink,standout", "default",
423
 
                 "bold,underline,blink,standout"),
 
459
                 "default", "default", ("bold", "underline",
 
460
                                          "standout")),
424
461
                ))
425
462
        
426
463
        if urwid.supports_unicode():
441
478
        self.log = []
442
479
        self.max_log_length = max_log_length
443
480
        
444
 
        self.log_level = log_level
445
 
        
446
481
        # We keep a reference to the log widget so we can remove it
447
482
        # from the ListWalker without it getting destroyed
448
483
        self.logbox = ConstrainedListBox(self.log)
460
495
        
461
496
        self.busname = domain + '.Mandos'
462
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)
463
540
    
464
541
    def client_not_found(self, fingerprint, address):
465
 
        self.log_message("Client with address {} and fingerprint {}"
466
 
                         " could not be found"
467
 
                         .format(address, fingerprint))
 
542
        self.log_message(("Client with address %s and fingerprint %s"
 
543
                          " could not be found" % (address,
 
544
                                                    fingerprint)))
468
545
    
469
546
    def rebuild(self):
470
547
        """This rebuilds the User Interface.
480
557
                                                     self.divider)))
481
558
        if self.log_visible:
482
559
            self.uilist.append(self.logbox)
 
560
            pass
483
561
        self.topwidget = urwid.Pile(self.uilist)
484
562
    
485
 
    def log_message(self, message, level=1):
486
 
        """Log message formatted with timestamp"""
487
 
        if level < self.log_level:
488
 
            return
 
563
    def log_message(self, message):
489
564
        timestamp = datetime.datetime.now().isoformat()
490
 
        self.log_message_raw("{}: {}".format(timestamp, message),
491
 
                             level=level)
 
565
        self.log_message_raw(timestamp + ": " + message)
492
566
    
493
 
    def log_message_raw(self, markup, level=1):
 
567
    def log_message_raw(self, markup):
494
568
        """Add a log message to the log buffer."""
495
 
        if level < self.log_level:
496
 
            return
497
569
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
570
        if (self.max_log_length
499
571
            and len(self.log) > self.max_log_length):
506
578
        """Toggle visibility of the log buffer."""
507
579
        self.log_visible = not self.log_visible
508
580
        self.rebuild()
509
 
        self.log_message("Log visibility changed to: {}"
510
 
                         .format(self.log_visible), level=0)
 
581
        #self.log_message("Log visibility changed to: "
 
582
        #                 + unicode(self.log_visible))
511
583
    
512
584
    def change_log_display(self):
513
585
        """Change type of log display.
518
590
            self.log_wrap = "clip"
519
591
        for textwidget in self.log:
520
592
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
522
 
                         level=0)
 
593
        #self.log_message("Wrap mode: " + self.log_wrap)
523
594
    
524
595
    def find_and_remove_client(self, path, name):
525
596
        """Find a client by its object path and remove it.
530
601
            client = self.clients_dict[path]
531
602
        except KeyError:
532
603
            # not found?
533
 
            self.log_message("Unknown client {!r} ({!r}) removed"
534
 
                             .format(name, path))
 
604
            self.log_message("Unknown client %r (%r) removed", name,
 
605
                             path)
535
606
            return
536
607
        client.delete()
537
608
    
554
625
        if path is None:
555
626
            path = client.proxy.object_path
556
627
        self.clients_dict[path] = client
557
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
628
        self.clients.sort(None, lambda c: c.properties["Name"])
558
629
        self.refresh()
559
630
    
560
631
    def remove_client(self, client, path=None):
562
633
        if path is None:
563
634
            path = client.proxy.object_path
564
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()
565
641
        self.refresh()
566
642
    
567
643
    def refresh(self):
571
647
    
572
648
    def run(self):
573
649
        """Start the main loop and exit when it's done."""
574
 
        self.bus = dbus.SystemBus()
575
 
        mandos_dbus_objc = self.bus.get_object(
576
 
            self.busname, "/", follow_name_owner_changes=True)
577
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
 
                                          dbus_interface
579
 
                                          = server_interface)
580
 
        try:
581
 
            mandos_clients = (self.mandos_serv
582
 
                              .GetAllClientsWithProperties())
583
 
            if not mandos_clients:
584
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
585
 
        except dbus.exceptions.DBusException:
586
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
587
 
            mandos_clients = dbus.Dictionary()
588
 
        
589
 
        (self.mandos_serv
590
 
         .connect_to_signal("ClientRemoved",
591
 
                            self.find_and_remove_client,
592
 
                            dbus_interface=server_interface,
593
 
                            byte_arrays=True))
594
 
        (self.mandos_serv
595
 
         .connect_to_signal("ClientAdded",
596
 
                            self.add_new_client,
597
 
                            dbus_interface=server_interface,
598
 
                            byte_arrays=True))
599
 
        (self.mandos_serv
600
 
         .connect_to_signal("ClientNotFound",
601
 
                            self.client_not_found,
602
 
                            dbus_interface=server_interface,
603
 
                            byte_arrays=True))
604
 
        for path, client in mandos_clients.items():
605
 
            client_proxy_object = self.bus.get_object(self.busname,
606
 
                                                      path)
607
 
            self.add_client(MandosClientWidget(server_proxy_object
608
 
                                               =self.mandos_serv,
609
 
                                               proxy_object
610
 
                                               =client_proxy_object,
611
 
                                               properties=client,
612
 
                                               update_hook
613
 
                                               =self.refresh,
614
 
                                               delete_hook
615
 
                                               =self.remove_client,
616
 
                                               logger
617
 
                                               =self.log_message),
618
 
                            path=path)
619
 
        
620
650
        self.refresh()
621
651
        self._input_callback_tag = (gobject.io_add_watch
622
652
                                    (sys.stdin.fileno(),
654
684
            elif key == "window resize":
655
685
                self.size = self.screen.get_cols_rows()
656
686
                self.refresh()
657
 
            elif key == "ctrl l":
658
 
                self.screen.clear()
 
687
            elif key == "\f":  # Ctrl-L
659
688
                self.refresh()
660
689
            elif key == "l" or key == "D":
661
690
                self.toggle_log_display()
673
702
                                            "?: Help",
674
703
                                            "l: Log window toggle",
675
704
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log lines)",
677
 
                                            "v: Toggle verbose log",
678
 
                                            ))))
 
705
                                            "w: Wrap (log)"))))
679
706
                self.log_message_raw(("bold",
680
707
                                      "  "
681
708
                                      .join(("Clients:",
694
721
                else:
695
722
                    self.topwidget.set_focus(self.logbox)
696
723
                self.refresh()
697
 
            elif key == "v":
698
 
                if self.log_level == 0:
699
 
                    self.log_level = 1
700
 
                    self.log_message("Verbose mode: Off")
701
 
                else:
702
 
                    self.log_level = 0
703
 
                    self.log_message("Verbose mode: On")
704
724
            #elif (key == "end" or key == "meta >" or key == "G"
705
725
            #      or key == ">"):
706
726
            #    pass            # xxx end-of-buffer
729
749
    ui.run()
730
750
except KeyboardInterrupt:
731
751
    ui.screen.stop()
732
 
except Exception as e:
733
 
    ui.log_message(str(e))
 
752
except Exception, e:
 
753
    ui.log_message(unicode(e))
734
754
    ui.screen.stop()
735
755
    raise