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mandos-monitor
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3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
 
6
# Copyright © 2009-2012 Teddy Hogeborn
 
7
# Copyright © 2009-2012 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
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 = "1.7.6"
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
        """Server signals that a checker started. This could be useful
 
246
           to log in the future. """
 
247
        #self.logger('Client %s started checker "%s"'
 
248
        #            % (self.properties["Name"], unicode(command)))
 
249
        pass
204
250
    
205
251
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
 
252
        self.last_checker_failed = False
 
253
        self.logger('Client %s received its secret'
 
254
                    % self.properties["Name"])
208
255
    
209
256
    def need_approval(self, timeout, default):
210
257
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
 
258
            message = 'Client %s needs approval within %s seconds'
212
259
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
 
260
            message = 'Client %s will get its secret in %s seconds'
 
261
        self.logger(message
 
262
                    % (self.properties["Name"], timeout/1000))
 
263
        self.using_timer(True)
216
264
    
217
265
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
 
266
        self.logger('Client %s was rejected; reason: %s'
 
267
                    % (self.properties["Name"], reason))
220
268
    
221
269
    def selectable(self):
222
270
        """Make this a "selectable" widget.
244
292
                          "bold-underline-blink":
245
293
                              "bold-underline-blink-standout",
246
294
                          }
247
 
        
 
295
 
248
296
        # Rebuild focus and non-focus widgets using current properties
249
 
        
 
297
 
250
298
        # Base part of a client. Name!
251
 
        base = '{name}: '.format(name=self.properties["Name"])
 
299
        base = ('%(name)s: '
 
300
                      % {"name": self.properties["Name"]})
252
301
        if not self.properties["Enabled"]:
253
302
            message = "DISABLED"
254
 
            self.using_timer(False)
255
303
        elif self.properties["ApprovalPending"]:
256
304
            timeout = datetime.timedelta(milliseconds
257
305
                                         = self.properties
259
307
            last_approval_request = isoformat_to_datetime(
260
308
                self.properties["LastApprovalRequest"])
261
309
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
311
                                   - last_approval_request)
265
312
            else:
266
313
                timer = datetime.timedelta()
267
314
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
 
315
                message = "Approval in %s. (d)eny?"
269
316
            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
 
317
                message = "Denial in %s. (a)pprove?"
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
319
        elif self.last_checker_failed:
 
320
            # When checker has failed, print a timer until client expires
275
321
            expires = self.properties["Expires"]
276
322
            if expires == "":
277
323
                timer = datetime.timedelta(0)
278
324
            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())
 
325
                expires = datetime.datetime.strptime(expires,
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
327
                timer = expires - datetime.datetime.utcnow()
283
328
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
 
329
                       ' gets disabled: %s'
 
330
                           % unicode(timer).rsplit(".", 1)[0])
287
331
        else:
288
332
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
333
        self._text = "%s%s" % (base, message)
 
334
            
292
335
        if not urwid.supports_unicode():
293
336
            self._text = self._text.encode("ascii", "replace")
294
337
        textlist = [("normal", self._text)]
306
349
            self.update_hook()
307
350
    
308
351
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
352
        """called by gobject. Will indefinitely loop until
 
353
        gobject.source_remove() on tag is called"""
312
354
        self.update()
313
355
        return True             # Keep calling this
314
356
    
315
 
    def delete(self, **kwargs):
 
357
    def delete(self, *args, **kwargs):
316
358
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
359
            gobject.source_remove(self._update_timer_callback_tag)
318
360
            self._update_timer_callback_tag = None
319
361
        for match in self.match_objects:
320
362
            match.remove()
321
363
        self.match_objects = ()
322
364
        if self.delete_hook is not None:
323
365
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
325
367
    
326
368
    def render(self, maxcolrow, focus=False):
327
369
        """Render differently if we have focus.
333
375
        """Handle keys.
334
376
        This overrides the method from urwid.FlowWidget"""
335
377
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
379
                              ignore_reply=True)
339
380
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
382
                               ignore_reply=True)
343
383
        elif key == "a":
344
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
385
                               dbus_interface = client_interface,
353
393
                                                  .object_path,
354
394
                                                  ignore_reply=True)
355
395
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
396
            self.proxy.StartChecker(dbus_interface = client_interface,
 
397
                                    ignore_reply=True)
359
398
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
399
            self.proxy.StopChecker(dbus_interface = client_interface,
 
400
                                   ignore_reply=True)
363
401
        elif key == "C":
364
402
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
403
                                 ignore_reply=True)
373
411
        else:
374
412
            return key
375
413
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
414
    def property_changed(self, property=None, value=None,
 
415
                         *args, **kwargs):
 
416
        """Call self.update() if old value is not new value.
378
417
        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):
 
418
        property_name = unicode(property)
 
419
        old_value = self.properties.get(property_name)
 
420
        super(MandosClientWidget, self).property_changed(
 
421
            property=property, value=value, *args, **kwargs)
 
422
        if self.properties.get(property_name) != old_value:
385
423
            self.update()
386
424
 
387
425
 
390
428
    "down" key presses, thus not allowing any containing widgets to
391
429
    use them as an excuse to shift focus away from this widget.
392
430
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
431
    def keypress(self, maxcolrow, key):
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
395
433
        if ret in ("up", "down"):
396
434
            return
397
435
        return ret
401
439
    """This is the entire user interface - the whole screen
402
440
    with boxes, lists of client widgets, etc.
403
441
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
442
    def __init__(self, max_log_length=1000):
405
443
        DBusGMainLoop(set_as_default=True)
406
444
        
407
445
        self.screen = urwid.curses_display.Screen()
410
448
                ("normal",
411
449
                 "default", "default", None),
412
450
                ("bold",
413
 
                 "bold", "default", "bold"),
 
451
                 "default", "default", "bold"),
414
452
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
 
453
                 "default", "default", "underline"),
416
454
                ("standout",
417
 
                 "standout", "default", "standout"),
 
455
                 "default", "default", "standout"),
418
456
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
457
                 "default", "default", ("bold", "underline")),
420
458
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
 
459
                 "default", "default", ("bold", "standout")),
422
460
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
 
461
                 "default", "default", ("underline", "standout")),
425
462
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
463
                 "default", "default", ("bold", "underline",
 
464
                                          "standout")),
428
465
                ))
429
466
        
430
467
        if urwid.supports_unicode():
445
482
        self.log = []
446
483
        self.max_log_length = max_log_length
447
484
        
448
 
        self.log_level = log_level
449
 
        
450
485
        # We keep a reference to the log widget so we can remove it
451
486
        # from the ListWalker without it getting destroyed
452
487
        self.logbox = ConstrainedListBox(self.log)
463
498
                              "q: Quit  ?: Help"))
464
499
        
465
500
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.MainLoop()
 
501
        self.main_loop = gobject.MainLoop()
467
502
    
468
503
    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))
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
505
                          " could not be found" % (address,
 
506
                                                    fingerprint)))
472
507
    
473
508
    def rebuild(self):
474
509
        """This rebuilds the User Interface.
486
521
            self.uilist.append(self.logbox)
487
522
        self.topwidget = urwid.Pile(self.uilist)
488
523
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
524
    def log_message(self, message):
493
525
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
526
        self.log_message_raw(timestamp + ": " + message)
496
527
    
497
 
    def log_message_raw(self, markup, level=1):
 
528
    def log_message_raw(self, markup):
498
529
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
530
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
531
        if (self.max_log_length
503
532
            and len(self.log) > self.max_log_length):
510
539
        """Toggle visibility of the log buffer."""
511
540
        self.log_visible = not self.log_visible
512
541
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
542
        #self.log_message("Log visibility changed to: "
 
543
        #                 + unicode(self.log_visible))
515
544
    
516
545
    def change_log_display(self):
517
546
        """Change type of log display.
522
551
            self.log_wrap = "clip"
523
552
        for textwidget in self.log:
524
553
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
527
555
    
528
 
    def find_and_remove_client(self, path, interfaces):
 
556
    def find_and_remove_client(self, path, name):
529
557
        """Find a client by its object path and remove it.
530
558
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
559
        This is connected to the ClientRemoved signal from the
532
560
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
561
        try:
537
562
            client = self.clients_dict[path]
538
563
        except KeyError:
539
564
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
542
567
            return
543
568
        client.delete()
544
569
    
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
 
570
    def add_new_client(self, path):
554
571
        client_proxy_object = self.bus.get_object(self.busname, path)
555
572
        self.add_client(MandosClientWidget(server_proxy_object
556
573
                                           =self.mandos_serv,
561
578
                                           delete_hook
562
579
                                           =self.remove_client,
563
580
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
581
                                           =self.log_message),
568
582
                        path=path)
569
583
    
570
584
    def add_client(self, client, path=None):
572
586
        if path is None:
573
587
            path = client.proxy.object_path
574
588
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
576
590
        self.refresh()
577
591
    
578
592
    def remove_client(self, client, path=None):
580
594
        if path is None:
581
595
            path = client.proxy.object_path
582
596
        del self.clients_dict[path]
 
597
        if not self.clients_dict:
 
598
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
599
            # is completely emptied, we need to recreate it.
 
600
            self.clients = urwid.SimpleListWalker([])
 
601
            self.rebuild()
583
602
        self.refresh()
584
603
    
585
604
    def refresh(self):
598
617
        try:
599
618
            mandos_clients = (self.mandos_serv
600
619
                              .GetAllClientsWithProperties())
601
 
            if not mandos_clients:
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
603
620
        except dbus.exceptions.DBusException:
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
605
621
            mandos_clients = dbus.Dictionary()
606
622
        
607
623
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesRemoved",
 
624
         .connect_to_signal("ClientRemoved",
609
625
                            self.find_and_remove_client,
610
 
                            dbus_interface
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
626
                            dbus_interface=server_interface,
612
627
                            byte_arrays=True))
613
628
        (self.mandos_serv
614
 
         .connect_to_signal("InterfacesAdded",
 
629
         .connect_to_signal("ClientAdded",
615
630
                            self.add_new_client,
616
 
                            dbus_interface
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
631
                            dbus_interface=server_interface,
618
632
                            byte_arrays=True))
619
633
        (self.mandos_serv
620
634
         .connect_to_signal("ClientNotFound",
621
635
                            self.client_not_found,
622
636
                            dbus_interface=server_interface,
623
637
                            byte_arrays=True))
624
 
        for path, client in mandos_clients.items():
 
638
        for path, client in mandos_clients.iteritems():
625
639
            client_proxy_object = self.bus.get_object(self.busname,
626
640
                                                      path)
627
641
            self.add_client(MandosClientWidget(server_proxy_object
636
650
                                               logger
637
651
                                               =self.log_message),
638
652
                            path=path)
639
 
        
 
653
 
640
654
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
655
        self._input_callback_tag = (gobject.io_add_watch
642
656
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
657
                                     gobject.IO_IN,
644
658
                                     self.process_input))
645
659
        self.main_loop.run()
646
660
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
661
        gobject.source_remove(self._input_callback_tag)
648
662
        self.screen.stop()
649
663
    
650
664
    def stop(self):
674
688
            elif key == "window resize":
675
689
                self.size = self.screen.get_cols_rows()
676
690
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
691
            elif key == "\f":  # Ctrl-L
679
692
                self.refresh()
680
693
            elif key == "l" or key == "D":
681
694
                self.toggle_log_display()
693
706
                                            "?: Help",
694
707
                                            "l: Log window toggle",
695
708
                                            "TAB: Switch window",
696
 
                                            "w: Wrap (log lines)",
697
 
                                            "v: Toggle verbose log",
698
 
                                            ))))
 
709
                                            "w: Wrap (log)"))))
699
710
                self.log_message_raw(("bold",
700
711
                                      "  "
701
712
                                      .join(("Clients:",
714
725
                else:
715
726
                    self.topwidget.set_focus(self.logbox)
716
727
                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
728
            #elif (key == "end" or key == "meta >" or key == "G"
725
729
            #      or key == ">"):
726
730
            #    pass            # xxx end-of-buffer
749
753
    ui.run()
750
754
except KeyboardInterrupt:
751
755
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
756
except Exception, e:
 
757
    ui.log_message(unicode(e))
754
758
    ui.screen.stop()
755
759
    raise