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  • Committer: Teddy Hogeborn
  • Date: 2011-12-30 18:26:04 UTC
  • mto: This revision was merged to the branch mainline in revision 541.
  • Revision ID: teddy@recompile.se-20111230182604-9p8e7u03xd0n1u0c
* network-hooks.d/wireless.conf: Better example code.

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mandos-monitor
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# 
4
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# Mandos Monitor - Control and monitor the Mandos server
5
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# 
6
 
# Copyright © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
 
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# Copyright © 2009-2011 Teddy Hogeborn
 
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# Copyright © 2009-2011 Björn Påhlsson
8
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# 
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
22
# Contact the authors at <mandos@recompile.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
 
from gi.repository import GLib
 
38
import gobject
43
39
 
44
40
import dbus
45
41
 
 
42
import UserList
 
43
 
46
44
import locale
47
45
 
48
 
if sys.version_info.major == 2:
49
 
    str = unicode
50
 
 
51
46
locale.setlocale(locale.LC_ALL, '')
52
47
 
53
48
import logging
57
52
domain = 'se.recompile'
58
53
server_interface = domain + '.Mandos'
59
54
client_interface = domain + '.Mandos.Client'
60
 
version = "1.7.9"
61
 
 
62
 
try:
63
 
    dbus.OBJECT_MANAGER_IFACE
64
 
except AttributeError:
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
55
version = "1.4.1"
 
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)
66
64
 
67
65
def isoformat_to_datetime(iso):
68
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
85
83
    properties and calls a hook function when any of them are
86
84
    changed.
87
85
    """
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
89
87
        self.proxy = proxy_object # Mandos Client proxy object
90
 
        self.properties = dict() if properties is None else properties
 
88
        
 
89
        self.properties = dict()
91
90
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
93
 
                                         self.properties_changed,
94
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
95
94
                                         byte_arrays=True))
96
95
        
97
 
        if properties is None:
98
 
            self.properties.update(
99
 
                self.proxy.GetAll(client_interface,
100
 
                                  dbus_interface
101
 
                                  = dbus.PROPERTIES_IFACE))
102
 
        
103
 
        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)
104
103
    
105
 
    def properties_changed(self, interface, properties, invalidated):
106
 
        """This is called whenever we get a PropertiesChanged signal
107
 
        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.
108
107
        """
109
108
        # Update properties dict with new value
110
 
        if interface == client_interface:
111
 
            self.properties.update(properties)
 
109
        self.properties[property] = value
112
110
    
113
 
    def delete(self):
 
111
    def delete(self, *args, **kwargs):
114
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
115
115
 
116
116
 
117
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
119
    """
120
120
    
121
121
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, **kwargs):
 
122
                 delete_hook=None, logger=None, *args, **kwargs):
123
123
        # Called on update
124
124
        self.update_hook = update_hook
125
125
        # Called on delete
130
130
        self.logger = logger
131
131
        
132
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
133
135
        
134
136
        # The widget shown normally
135
137
        self._text_widget = urwid.Text("")
136
138
        # The widget shown when we have focus
137
139
        self._focus_text_widget = urwid.Text("")
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
139
143
        self.update()
140
144
        self.opened = False
141
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
        
142
164
        self.match_objects = (
143
165
            self.proxy.connect_to_signal("CheckerCompleted",
144
166
                                         self.checker_completed,
160
182
                                         self.rejected,
161
183
                                         client_interface,
162
184
                                         byte_arrays=True))
163
 
        self.logger('Created client {}'
164
 
                    .format(self.properties["Name"]), level=0)
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
165
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
        
166
193
    def using_timer(self, flag):
167
194
        """Call this method with True or False when timer should be
168
195
        activated or deactivated.
169
196
        """
170
 
        if flag and self._update_timer_callback_tag is None:
 
197
        old = self._update_timer_callback_lock
 
198
        if flag:
 
199
            self._update_timer_callback_lock += 1
 
200
        else:
 
201
            self._update_timer_callback_lock -= 1
 
202
        if old == 0 and self._update_timer_callback_lock:
171
203
            # Will update the shown timer value every second
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
204
            self._update_timer_callback_tag = (gobject.timeout_add
173
205
                                               (1000,
174
206
                                                self.update_timer))
175
 
        elif not (flag or self._update_timer_callback_tag is None):
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
207
        elif old and self._update_timer_callback_lock == 0:
 
208
            gobject.source_remove(self._update_timer_callback_tag)
177
209
            self._update_timer_callback_tag = None
178
210
    
179
211
    def checker_completed(self, exitstatus, condition, command):
180
212
        if exitstatus == 0:
181
 
            self.logger('Checker for client {} (command "{}")'
182
 
                        ' succeeded'.format(self.properties["Name"],
183
 
                                            command), level=0)
 
213
            if self.last_checker_failed:
 
214
                self.last_checker_failed = False
 
215
                self.using_timer(False)
 
216
            #self.logger('Checker for client %s (command "%s")'
 
217
            #            ' was successful'
 
218
            #            % (self.properties["Name"], command))
184
219
            self.update()
185
220
            return
186
221
        # Checker failed
 
222
        if not self.last_checker_failed:
 
223
            self.last_checker_failed = True
 
224
            self.using_timer(True)
187
225
        if os.WIFEXITED(condition):
188
 
            self.logger('Checker for client {} (command "{}") failed'
189
 
                        ' with exit code {}'
190
 
                        .format(self.properties["Name"], command,
191
 
                                os.WEXITSTATUS(condition)))
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' failed with exit code %s'
 
228
                        % (self.properties["Name"], command,
 
229
                           os.WEXITSTATUS(condition)))
192
230
        elif os.WIFSIGNALED(condition):
193
 
            self.logger('Checker for client {} (command "{}") was'
194
 
                        ' killed by signal {}'
195
 
                        .format(self.properties["Name"], command,
196
 
                                os.WTERMSIG(condition)))
 
231
            self.logger('Checker for client %s (command "%s")'
 
232
                        ' was killed by signal %s'
 
233
                        % (self.properties["Name"], command,
 
234
                           os.WTERMSIG(condition)))
 
235
        elif os.WCOREDUMP(condition):
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
 
239
        else:
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
197
242
        self.update()
198
243
    
199
244
    def checker_started(self, command):
200
 
        """Server signals that a checker started."""
201
 
        self.logger('Client {} started checker "{}"'
202
 
                    .format(self.properties["Name"],
203
 
                            command), level=0)
 
245
        #self.logger('Client %s started checker "%s"'
 
246
        #            % (self.properties["Name"], unicode(command)))
 
247
        pass
204
248
    
205
249
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
 
250
        self.last_checker_failed = False
 
251
        self.logger('Client %s received its secret'
 
252
                    % self.properties["Name"])
208
253
    
209
254
    def need_approval(self, timeout, default):
210
255
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
 
256
            message = 'Client %s needs approval within %s seconds'
212
257
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
 
258
            message = 'Client %s will get its secret in %s seconds'
 
259
        self.logger(message
 
260
                    % (self.properties["Name"], timeout/1000))
 
261
        self.using_timer(True)
216
262
    
217
263
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
 
264
        self.logger('Client %s was rejected; reason: %s'
 
265
                    % (self.properties["Name"], reason))
220
266
    
221
267
    def selectable(self):
222
268
        """Make this a "selectable" widget.
244
290
                          "bold-underline-blink":
245
291
                              "bold-underline-blink-standout",
246
292
                          }
247
 
        
 
293
 
248
294
        # Rebuild focus and non-focus widgets using current properties
249
 
        
 
295
 
250
296
        # Base part of a client. Name!
251
 
        base = '{name}: '.format(name=self.properties["Name"])
 
297
        base = ('%(name)s: '
 
298
                      % {"name": self.properties["Name"]})
252
299
        if not self.properties["Enabled"]:
253
300
            message = "DISABLED"
254
 
            self.using_timer(False)
255
301
        elif self.properties["ApprovalPending"]:
256
302
            timeout = datetime.timedelta(milliseconds
257
303
                                         = self.properties
259
305
            last_approval_request = isoformat_to_datetime(
260
306
                self.properties["LastApprovalRequest"])
261
307
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
 
308
                timer = timeout - (datetime.datetime.utcnow()
 
309
                                   - last_approval_request)
265
310
            else:
266
311
                timer = datetime.timedelta()
267
312
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
 
313
                message = "Approval in %s. (d)eny?"
269
314
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
273
 
        elif self.properties["LastCheckerStatus"] != 0:
274
 
            # When checker has failed, show timer until client expires
 
315
                message = "Denial in %s. (a)pprove?"
 
316
            message = message % unicode(timer).rsplit(".", 1)[0]
 
317
        elif self.last_checker_failed:
 
318
            # When checker has failed, print a timer until client expires
275
319
            expires = self.properties["Expires"]
276
320
            if expires == "":
277
321
                timer = datetime.timedelta(0)
278
322
            else:
279
 
                expires = (datetime.datetime.strptime
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
 
323
                expires = datetime.datetime.strptime(expires,
 
324
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
325
                timer = expires - datetime.datetime.utcnow()
283
326
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
 
327
                       ' gets disabled: %s'
 
328
                           % unicode(timer).rsplit(".", 1)[0])
287
329
        else:
288
330
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
331
        self._text = "%s%s" % (base, message)
 
332
            
292
333
        if not urwid.supports_unicode():
293
334
            self._text = self._text.encode("ascii", "replace")
294
335
        textlist = [("normal", self._text)]
306
347
            self.update_hook()
307
348
    
308
349
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
350
        """called by gobject. Will indefinitely loop until
 
351
        gobject.source_remove() on tag is called"""
312
352
        self.update()
313
353
        return True             # Keep calling this
314
354
    
315
 
    def delete(self, **kwargs):
 
355
    def delete(self, *args, **kwargs):
316
356
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
357
            gobject.source_remove(self._update_timer_callback_tag)
318
358
            self._update_timer_callback_tag = None
319
359
        for match in self.match_objects:
320
360
            match.remove()
321
361
        self.match_objects = ()
322
362
        if self.delete_hook is not None:
323
363
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
364
        return super(MandosClientWidget, self).delete(*args, **kwargs)
325
365
    
326
366
    def render(self, maxcolrow, focus=False):
327
367
        """Render differently if we have focus.
333
373
        """Handle keys.
334
374
        This overrides the method from urwid.FlowWidget"""
335
375
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
376
            self.proxy.Enable(dbus_interface = client_interface,
 
377
                              ignore_reply=True)
339
378
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
379
            self.proxy.Disable(dbus_interface = client_interface,
 
380
                               ignore_reply=True)
343
381
        elif key == "a":
344
382
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
383
                               dbus_interface = client_interface,
353
391
                                                  .object_path,
354
392
                                                  ignore_reply=True)
355
393
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
394
            self.proxy.StartChecker(dbus_interface = client_interface,
 
395
                                    ignore_reply=True)
359
396
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
397
            self.proxy.StopChecker(dbus_interface = client_interface,
 
398
                                   ignore_reply=True)
363
399
        elif key == "C":
364
400
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
401
                                 ignore_reply=True)
373
409
        else:
374
410
            return key
375
411
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
412
    def property_changed(self, property=None, value=None,
 
413
                         *args, **kwargs):
 
414
        """Call self.update() if old value is not new value.
378
415
        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):
 
416
        property_name = unicode(property)
 
417
        old_value = self.properties.get(property_name)
 
418
        super(MandosClientWidget, self).property_changed(
 
419
            property=property, value=value, *args, **kwargs)
 
420
        if self.properties.get(property_name) != old_value:
385
421
            self.update()
386
422
 
387
423
 
390
426
    "down" key presses, thus not allowing any containing widgets to
391
427
    use them as an excuse to shift focus away from this widget.
392
428
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
429
    def keypress(self, maxcolrow, key):
 
430
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
395
431
        if ret in ("up", "down"):
396
432
            return
397
433
        return ret
401
437
    """This is the entire user interface - the whole screen
402
438
    with boxes, lists of client widgets, etc.
403
439
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
440
    def __init__(self, max_log_length=1000):
405
441
        DBusGMainLoop(set_as_default=True)
406
442
        
407
443
        self.screen = urwid.curses_display.Screen()
410
446
                ("normal",
411
447
                 "default", "default", None),
412
448
                ("bold",
413
 
                 "bold", "default", "bold"),
 
449
                 "default", "default", "bold"),
414
450
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
 
451
                 "default", "default", "underline"),
416
452
                ("standout",
417
 
                 "standout", "default", "standout"),
 
453
                 "default", "default", "standout"),
418
454
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
455
                 "default", "default", ("bold", "underline")),
420
456
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
 
457
                 "default", "default", ("bold", "standout")),
422
458
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
 
459
                 "default", "default", ("underline", "standout")),
425
460
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
461
                 "default", "default", ("bold", "underline",
 
462
                                          "standout")),
428
463
                ))
429
464
        
430
465
        if urwid.supports_unicode():
445
480
        self.log = []
446
481
        self.max_log_length = max_log_length
447
482
        
448
 
        self.log_level = log_level
449
 
        
450
483
        # We keep a reference to the log widget so we can remove it
451
484
        # from the ListWalker without it getting destroyed
452
485
        self.logbox = ConstrainedListBox(self.log)
463
496
                              "q: Quit  ?: Help"))
464
497
        
465
498
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.MainLoop()
 
499
        self.main_loop = gobject.MainLoop()
 
500
        self.bus = dbus.SystemBus()
 
501
        mandos_dbus_objc = self.bus.get_object(
 
502
            self.busname, "/", follow_name_owner_changes=True)
 
503
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
504
                                          dbus_interface
 
505
                                          = server_interface)
 
506
        try:
 
507
            mandos_clients = (self.mandos_serv
 
508
                              .GetAllClientsWithProperties())
 
509
        except dbus.exceptions.DBusException:
 
510
            mandos_clients = dbus.Dictionary()
 
511
        
 
512
        (self.mandos_serv
 
513
         .connect_to_signal("ClientRemoved",
 
514
                            self.find_and_remove_client,
 
515
                            dbus_interface=server_interface,
 
516
                            byte_arrays=True))
 
517
        (self.mandos_serv
 
518
         .connect_to_signal("ClientAdded",
 
519
                            self.add_new_client,
 
520
                            dbus_interface=server_interface,
 
521
                            byte_arrays=True))
 
522
        (self.mandos_serv
 
523
         .connect_to_signal("ClientNotFound",
 
524
                            self.client_not_found,
 
525
                            dbus_interface=server_interface,
 
526
                            byte_arrays=True))
 
527
        for path, client in mandos_clients.iteritems():
 
528
            client_proxy_object = self.bus.get_object(self.busname,
 
529
                                                      path)
 
530
            self.add_client(MandosClientWidget(server_proxy_object
 
531
                                               =self.mandos_serv,
 
532
                                               proxy_object
 
533
                                               =client_proxy_object,
 
534
                                               properties=client,
 
535
                                               update_hook
 
536
                                               =self.refresh,
 
537
                                               delete_hook
 
538
                                               =self.remove_client,
 
539
                                               logger
 
540
                                               =self.log_message),
 
541
                            path=path)
467
542
    
468
543
    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))
 
544
        self.log_message(("Client with address %s and fingerprint %s"
 
545
                          " could not be found" % (address,
 
546
                                                    fingerprint)))
472
547
    
473
548
    def rebuild(self):
474
549
        """This rebuilds the User Interface.
484
559
                                                     self.divider)))
485
560
        if self.log_visible:
486
561
            self.uilist.append(self.logbox)
 
562
            pass
487
563
        self.topwidget = urwid.Pile(self.uilist)
488
564
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
565
    def log_message(self, message):
493
566
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
567
        self.log_message_raw(timestamp + ": " + message)
496
568
    
497
 
    def log_message_raw(self, markup, level=1):
 
569
    def log_message_raw(self, markup):
498
570
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
571
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
572
        if (self.max_log_length
503
573
            and len(self.log) > self.max_log_length):
510
580
        """Toggle visibility of the log buffer."""
511
581
        self.log_visible = not self.log_visible
512
582
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
583
        #self.log_message("Log visibility changed to: "
 
584
        #                 + unicode(self.log_visible))
515
585
    
516
586
    def change_log_display(self):
517
587
        """Change type of log display.
522
592
            self.log_wrap = "clip"
523
593
        for textwidget in self.log:
524
594
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
595
        #self.log_message("Wrap mode: " + self.log_wrap)
527
596
    
528
 
    def find_and_remove_client(self, path, interfaces):
 
597
    def find_and_remove_client(self, path, name):
529
598
        """Find a client by its object path and remove it.
530
599
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
600
        This is connected to the ClientRemoved signal from the
532
601
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
602
        try:
537
603
            client = self.clients_dict[path]
538
604
        except KeyError:
539
605
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
 
606
            self.log_message("Unknown client %r (%r) removed", name,
 
607
                             path)
542
608
            return
543
609
        client.delete()
544
610
    
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
        
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
611
    def add_new_client(self, path):
554
612
        client_proxy_object = self.bus.get_object(self.busname, path)
555
613
        self.add_client(MandosClientWidget(server_proxy_object
556
614
                                           =self.mandos_serv,
561
619
                                           delete_hook
562
620
                                           =self.remove_client,
563
621
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
622
                                           =self.log_message),
568
623
                        path=path)
569
624
    
570
625
    def add_client(self, client, path=None):
572
627
        if path is None:
573
628
            path = client.proxy.object_path
574
629
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
630
        self.clients.sort(None, lambda c: c.properties["Name"])
576
631
        self.refresh()
577
632
    
578
633
    def remove_client(self, client, path=None):
580
635
        if path is None:
581
636
            path = client.proxy.object_path
582
637
        del self.clients_dict[path]
 
638
        if not self.clients_dict:
 
639
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
640
            # is completely emptied, we need to recreate it.
 
641
            self.clients = urwid.SimpleListWalker([])
 
642
            self.rebuild()
583
643
        self.refresh()
584
644
    
585
645
    def refresh(self):
589
649
    
590
650
    def run(self):
591
651
        """Start the main loop and exit when it's done."""
592
 
        self.bus = dbus.SystemBus()
593
 
        mandos_dbus_objc = self.bus.get_object(
594
 
            self.busname, "/", follow_name_owner_changes=True)
595
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
596
 
                                          dbus_interface
597
 
                                          = server_interface)
598
 
        try:
599
 
            mandos_clients = (self.mandos_serv
600
 
                              .GetAllClientsWithProperties())
601
 
            if not mandos_clients:
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
603
 
        except dbus.exceptions.DBusException:
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
605
 
            mandos_clients = dbus.Dictionary()
606
 
        
607
 
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesRemoved",
609
 
                            self.find_and_remove_client,
610
 
                            dbus_interface
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
612
 
                            byte_arrays=True))
613
 
        (self.mandos_serv
614
 
         .connect_to_signal("InterfacesAdded",
615
 
                            self.add_new_client,
616
 
                            dbus_interface
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
618
 
                            byte_arrays=True))
619
 
        (self.mandos_serv
620
 
         .connect_to_signal("ClientNotFound",
621
 
                            self.client_not_found,
622
 
                            dbus_interface=server_interface,
623
 
                            byte_arrays=True))
624
 
        for path, client in mandos_clients.items():
625
 
            client_proxy_object = self.bus.get_object(self.busname,
626
 
                                                      path)
627
 
            self.add_client(MandosClientWidget(server_proxy_object
628
 
                                               =self.mandos_serv,
629
 
                                               proxy_object
630
 
                                               =client_proxy_object,
631
 
                                               properties=client,
632
 
                                               update_hook
633
 
                                               =self.refresh,
634
 
                                               delete_hook
635
 
                                               =self.remove_client,
636
 
                                               logger
637
 
                                               =self.log_message),
638
 
                            path=path)
639
 
        
640
652
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
653
        self._input_callback_tag = (gobject.io_add_watch
642
654
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
655
                                     gobject.IO_IN,
644
656
                                     self.process_input))
645
657
        self.main_loop.run()
646
658
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
659
        gobject.source_remove(self._input_callback_tag)
648
660
        self.screen.stop()
649
661
    
650
662
    def stop(self):
674
686
            elif key == "window resize":
675
687
                self.size = self.screen.get_cols_rows()
676
688
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
689
            elif key == "\f":  # Ctrl-L
679
690
                self.refresh()
680
691
            elif key == "l" or key == "D":
681
692
                self.toggle_log_display()
693
704
                                            "?: Help",
694
705
                                            "l: Log window toggle",
695
706
                                            "TAB: Switch window",
696
 
                                            "w: Wrap (log lines)",
697
 
                                            "v: Toggle verbose log",
698
 
                                            ))))
 
707
                                            "w: Wrap (log)"))))
699
708
                self.log_message_raw(("bold",
700
709
                                      "  "
701
710
                                      .join(("Clients:",
714
723
                else:
715
724
                    self.topwidget.set_focus(self.logbox)
716
725
                self.refresh()
717
 
            elif key == "v":
718
 
                if self.log_level == 0:
719
 
                    self.log_level = 1
720
 
                    self.log_message("Verbose mode: Off")
721
 
                else:
722
 
                    self.log_level = 0
723
 
                    self.log_message("Verbose mode: On")
724
726
            #elif (key == "end" or key == "meta >" or key == "G"
725
727
            #      or key == ">"):
726
728
            #    pass            # xxx end-of-buffer
749
751
    ui.run()
750
752
except KeyboardInterrupt:
751
753
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
754
except Exception, e:
 
755
    ui.log_message(unicode(e))
754
756
    ui.screen.stop()
755
757
    raise