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  • Committer: Teddy Hogeborn
  • Date: 2016-10-05 19:56:40 UTC
  • Revision ID: teddy@recompile.se-20161005195640-yrjxv8kkx662usr0
Fix bug where Mandos client would crash on exit

* plugins.d/mandos-client.c (init_gnutls_global): Fix memory leak by
  doing free(params.data) after import.

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mandos-monitor
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
 
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
8
 
# 
 
5
#
 
6
# Copyright © 2009-2016 Teddy Hogeborn
 
7
# Copyright © 2009-2016 Björn Påhlsson
 
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
11
11
# the Free Software Foundation, either version 3 of the License, or
15
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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
20
# along with this program.  If not, see
21
21
# <http://www.gnu.org/licenses/>.
22
 
# 
 
22
#
23
23
# Contact the authors at <mandos@recompile.se>.
24
 
# 
 
24
#
25
25
 
26
26
from __future__ import (division, absolute_import, print_function,
27
27
                        unicode_literals)
39
39
import urwid
40
40
 
41
41
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
42
from gi.repository import GLib
46
43
 
47
44
import dbus
48
45
 
49
46
import locale
50
47
 
51
 
if sys.version_info[0] == 2:
 
48
import logging
 
49
 
 
50
if sys.version_info.major == 2:
52
51
    str = unicode
53
52
 
54
53
locale.setlocale(locale.LC_ALL, '')
55
54
 
56
 
import logging
57
55
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
56
 
59
57
# Some useful constants
60
58
domain = 'se.recompile'
61
59
server_interface = domain + '.Mandos'
62
60
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.6"
 
61
version = "1.7.11"
 
62
 
 
63
try:
 
64
    dbus.OBJECT_MANAGER_IFACE
 
65
except AttributeError:
 
66
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
67
 
64
68
 
65
69
def isoformat_to_datetime(iso):
66
70
    "Parse an ISO 8601 date string to a datetime.datetime()"
75
79
                             int(day),
76
80
                             int(hour),
77
81
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
 
82
                             int(second),            # Whole seconds
 
83
                             int(fraction*1000000))  # Microseconds
 
84
 
80
85
 
81
86
class MandosClientPropertyCache(object):
82
87
    """This wraps a Mandos Client D-Bus proxy object, caches the
84
89
    changed.
85
90
    """
86
91
    def __init__(self, proxy_object=None, properties=None, **kwargs):
87
 
        self.proxy = proxy_object # Mandos Client proxy object
 
92
        self.proxy = proxy_object  # Mandos Client proxy object
88
93
        self.properties = dict() if properties is None else properties
89
94
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
 
95
            self.proxy.connect_to_signal("PropertiesChanged",
 
96
                                         self.properties_changed,
 
97
                                         dbus.PROPERTIES_IFACE,
93
98
                                         byte_arrays=True))
94
 
        
 
99
 
95
100
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
 
101
            self.properties.update(self.proxy.GetAll(
 
102
                client_interface,
 
103
                dbus_interface=dbus.PROPERTIES_IFACE))
 
104
 
101
105
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
106
 
    
107
 
    def property_changed(self, property=None, value=None):
108
 
        """This is called whenever we get a PropertyChanged signal
109
 
        It updates the changed property in the "properties" dict.
 
106
 
 
107
    def properties_changed(self, interface, properties, invalidated):
 
108
        """This is called whenever we get a PropertiesChanged signal
 
109
        It updates the changed properties in the "properties" dict.
110
110
        """
111
111
        # Update properties dict with new value
112
 
        self.properties[property] = value
113
 
    
 
112
        if interface == client_interface:
 
113
            self.properties.update(properties)
 
114
 
114
115
    def delete(self):
115
116
        self.property_changed_match.remove()
116
117
 
118
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
120
    """A Mandos Client which is visible on the screen.
120
121
    """
121
 
    
 
122
 
122
123
    def __init__(self, server_proxy_object=None, update_hook=None,
123
124
                 delete_hook=None, logger=None, **kwargs):
124
125
        # Called on update
129
130
        self.server_proxy_object = server_proxy_object
130
131
        # Logger
131
132
        self.logger = logger
132
 
        
 
133
 
133
134
        self._update_timer_callback_tag = None
134
 
        
 
135
 
135
136
        # The widget shown normally
136
137
        self._text_widget = urwid.Text("")
137
138
        # The widget shown when we have focus
139
140
        super(MandosClientWidget, self).__init__(**kwargs)
140
141
        self.update()
141
142
        self.opened = False
142
 
        
 
143
 
143
144
        self.match_objects = (
144
145
            self.proxy.connect_to_signal("CheckerCompleted",
145
146
                                         self.checker_completed,
161
162
                                         self.rejected,
162
163
                                         client_interface,
163
164
                                         byte_arrays=True))
164
 
        self.logger('Created client {0}'
 
165
        self.logger('Created client {}'
165
166
                    .format(self.properties["Name"]), level=0)
166
 
    
 
167
 
167
168
    def using_timer(self, flag):
168
169
        """Call this method with True or False when timer should be
169
170
        activated or deactivated.
170
171
        """
171
172
        if flag and self._update_timer_callback_tag is None:
172
173
            # Will update the shown timer value every second
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
            self._update_timer_callback_tag = (GLib.timeout_add
174
175
                                               (1000,
175
176
                                                self.update_timer))
176
177
        elif not (flag or self._update_timer_callback_tag is None):
177
 
            gobject.source_remove(self._update_timer_callback_tag)
 
178
            GLib.source_remove(self._update_timer_callback_tag)
178
179
            self._update_timer_callback_tag = None
179
 
    
 
180
 
180
181
    def checker_completed(self, exitstatus, condition, command):
181
182
        if exitstatus == 0:
182
 
            self.logger('Checker for client {0} (command "{1}")'
 
183
            self.logger('Checker for client {} (command "{}")'
183
184
                        ' succeeded'.format(self.properties["Name"],
184
185
                                            command), level=0)
185
186
            self.update()
186
187
            return
187
188
        # Checker failed
188
189
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
 
190
            self.logger('Checker for client {} (command "{}") failed'
 
191
                        ' with exit code {}'
191
192
                        .format(self.properties["Name"], command,
192
193
                                os.WEXITSTATUS(condition)))
193
194
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
 
195
            self.logger('Checker for client {} (command "{}") was'
 
196
                        ' killed by signal {}'
196
197
                        .format(self.properties["Name"], command,
197
198
                                os.WTERMSIG(condition)))
198
 
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
202
 
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
206
199
        self.update()
207
 
    
 
200
 
208
201
    def checker_started(self, command):
209
202
        """Server signals that a checker started."""
210
 
        self.logger('Client {0} started checker "{1}"'
 
203
        self.logger('Client {} started checker "{}"'
211
204
                    .format(self.properties["Name"],
212
205
                            command), level=0)
213
 
    
 
206
 
214
207
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
 
208
        self.logger('Client {} received its secret'
216
209
                    .format(self.properties["Name"]))
217
 
    
 
210
 
218
211
    def need_approval(self, timeout, default):
219
212
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
213
            message = 'Client {} needs approval within {} seconds'
221
214
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
 
215
            message = 'Client {} will get its secret in {} seconds'
223
216
        self.logger(message.format(self.properties["Name"],
224
217
                                   timeout/1000))
225
 
    
 
218
 
226
219
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
 
220
        self.logger('Client {} was rejected; reason: {}'
228
221
                    .format(self.properties["Name"], reason))
229
 
    
 
222
 
230
223
    def selectable(self):
231
224
        """Make this a "selectable" widget.
232
225
        This overrides the method from urwid.FlowWidget."""
233
226
        return True
234
 
    
 
227
 
235
228
    def rows(self, maxcolrow, focus=False):
236
229
        """How many rows this widget will occupy might depend on
237
230
        whether we have focus or not.
238
231
        This overrides the method from urwid.FlowWidget"""
239
232
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
240
 
    
 
233
 
241
234
    def current_widget(self, focus=False):
242
235
        if focus or self.opened:
243
236
            return self._focus_widget
244
237
        return self._widget
245
 
    
 
238
 
246
239
    def update(self):
247
240
        "Called when what is visible on the screen should be updated."
248
241
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
255
 
                          }
256
 
        
 
242
        with_standout = {"normal": "standout",
 
243
                         "bold": "bold-standout",
 
244
                         "underline-blink":
 
245
                         "underline-blink-standout",
 
246
                         "bold-underline-blink":
 
247
                         "bold-underline-blink-standout",
 
248
                         }
 
249
 
257
250
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
251
 
259
252
        # Base part of a client. Name!
260
253
        base = '{name}: '.format(name=self.properties["Name"])
261
254
        if not self.properties["Enabled"]:
262
255
            message = "DISABLED"
263
256
            self.using_timer(False)
264
257
        elif self.properties["ApprovalPending"]:
265
 
            timeout = datetime.timedelta(milliseconds
266
 
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
 
258
            timeout = datetime.timedelta(
 
259
                milliseconds=self.properties["ApprovalDelay"])
268
260
            last_approval_request = isoformat_to_datetime(
269
261
                self.properties["LastApprovalRequest"])
270
262
            if last_approval_request is not None:
274
266
            else:
275
267
                timer = datetime.timedelta()
276
268
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
 
269
                message = "Approval in {}. (d)eny?"
278
270
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
 
271
                message = "Denial in {}. (a)pprove?"
280
272
            message = message.format(str(timer).rsplit(".", 1)[0])
281
273
            self.using_timer(True)
282
274
        elif self.properties["LastCheckerStatus"] != 0:
290
282
                timer = max(expires - datetime.datetime.utcnow(),
291
283
                            datetime.timedelta())
292
284
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
 
285
                       ' gets disabled: {}'
294
286
                       .format(str(timer).rsplit(".", 1)[0]))
295
287
            self.using_timer(True)
296
288
        else:
297
289
            message = "enabled"
298
290
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
291
        self._text = "{}{}".format(base, message)
 
292
 
301
293
        if not urwid.supports_unicode():
302
294
            self._text = self._text.encode("ascii", "replace")
303
295
        textlist = [("normal", self._text)]
313
305
        # Run update hook, if any
314
306
        if self.update_hook is not None:
315
307
            self.update_hook()
316
 
    
 
308
 
317
309
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
310
        """called by GLib. Will indefinitely loop until
 
311
        GLib.source_remove() on tag is called
 
312
        """
320
313
        self.update()
321
314
        return True             # Keep calling this
322
 
    
 
315
 
323
316
    def delete(self, **kwargs):
324
317
        if self._update_timer_callback_tag is not None:
325
 
            gobject.source_remove(self._update_timer_callback_tag)
 
318
            GLib.source_remove(self._update_timer_callback_tag)
326
319
            self._update_timer_callback_tag = None
327
320
        for match in self.match_objects:
328
321
            match.remove()
330
323
        if self.delete_hook is not None:
331
324
            self.delete_hook(self)
332
325
        return super(MandosClientWidget, self).delete(**kwargs)
333
 
    
 
326
 
334
327
    def render(self, maxcolrow, focus=False):
335
328
        """Render differently if we have focus.
336
329
        This overrides the method from urwid.FlowWidget"""
337
330
        return self.current_widget(focus).render(maxcolrow,
338
331
                                                 focus=focus)
339
 
    
 
332
 
340
333
    def keypress(self, maxcolrow, key):
341
334
        """Handle keys.
342
335
        This overrides the method from urwid.FlowWidget"""
343
336
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
 
337
            self.proxy.Set(client_interface, "Enabled",
 
338
                           dbus.Boolean(True), ignore_reply=True,
 
339
                           dbus_interface=dbus.PROPERTIES_IFACE)
346
340
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
 
341
            self.proxy.Set(client_interface, "Enabled", False,
 
342
                           ignore_reply=True,
 
343
                           dbus_interface=dbus.PROPERTIES_IFACE)
349
344
        elif key == "a":
350
345
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
 
346
                               dbus_interface=client_interface,
352
347
                               ignore_reply=True)
353
348
        elif key == "d":
354
349
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
 
350
                               dbus_interface=client_interface,
356
351
                               ignore_reply=True)
357
352
        elif key == "R" or key == "_" or key == "ctrl k":
358
353
            self.server_proxy_object.RemoveClient(self.proxy
359
354
                                                  .object_path,
360
355
                                                  ignore_reply=True)
361
356
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
 
357
            self.proxy.Set(client_interface, "CheckerRunning",
 
358
                           dbus.Boolean(True), ignore_reply=True,
 
359
                           dbus_interface=dbus.PROPERTIES_IFACE)
364
360
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
 
361
            self.proxy.Set(client_interface, "CheckerRunning",
 
362
                           dbus.Boolean(False), ignore_reply=True,
 
363
                           dbus_interface=dbus.PROPERTIES_IFACE)
367
364
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
365
            self.proxy.CheckedOK(dbus_interface=client_interface,
369
366
                                 ignore_reply=True)
370
367
        # xxx
371
368
#         elif key == "p" or key == "=":
376
373
#             self.open()
377
374
        else:
378
375
            return key
379
 
    
380
 
    def property_changed(self, property=None, **kwargs):
381
 
        """Call self.update() if old value is not new value.
 
376
 
 
377
    def properties_changed(self, interface, properties, invalidated):
 
378
        """Call self.update() if any properties changed.
382
379
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
384
 
        old_value = self.properties.get(property_name)
385
 
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
387
 
        if self.properties.get(property_name) != old_value:
 
380
        old_values = {key: self.properties.get(key)
 
381
                      for key in properties.keys()}
 
382
        super(MandosClientWidget, self).properties_changed(
 
383
            interface, properties, invalidated)
 
384
        if any(old_values[key] != self.properties.get(key)
 
385
               for key in old_values):
388
386
            self.update()
389
387
 
390
388
 
394
392
    use them as an excuse to shift focus away from this widget.
395
393
    """
396
394
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
395
        ret = (super(ConstrainedListBox, self)
 
396
               .keypress(*args, **kwargs))
398
397
        if ret in ("up", "down"):
399
398
            return
400
399
        return ret
406
405
    """
407
406
    def __init__(self, max_log_length=1000, log_level=1):
408
407
        DBusGMainLoop(set_as_default=True)
409
 
        
 
408
 
410
409
        self.screen = urwid.curses_display.Screen()
411
 
        
 
410
 
412
411
        self.screen.register_palette((
413
412
                ("normal",
414
413
                 "default", "default", None),
419
418
                ("standout",
420
419
                 "standout", "default", "standout"),
421
420
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
421
                 "bold,underline,blink", "default",
 
422
                 "bold,underline,blink"),
423
423
                ("bold-standout",
424
424
                 "bold,standout", "default", "bold,standout"),
425
425
                ("underline-blink-standout",
429
429
                 "bold,underline,blink,standout", "default",
430
430
                 "bold,underline,blink,standout"),
431
431
                ))
432
 
        
 
432
 
433
433
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
434
            self.divider = "─"  # \u2500
436
435
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
439
 
        
 
436
            self.divider = "_"  # \u005f
 
437
 
440
438
        self.screen.start()
441
 
        
 
439
 
442
440
        self.size = self.screen.get_cols_rows()
443
 
        
 
441
 
444
442
        self.clients = urwid.SimpleListWalker([])
445
443
        self.clients_dict = {}
446
 
        
 
444
 
447
445
        # We will add Text widgets to this list
448
446
        self.log = []
449
447
        self.max_log_length = max_log_length
450
 
        
 
448
 
451
449
        self.log_level = log_level
452
 
        
 
450
 
453
451
        # We keep a reference to the log widget so we can remove it
454
452
        # from the ListWalker without it getting destroyed
455
453
        self.logbox = ConstrainedListBox(self.log)
456
 
        
 
454
 
457
455
        # This keeps track of whether self.uilist currently has
458
456
        # self.logbox in it or not
459
457
        self.log_visible = True
460
458
        self.log_wrap = "any"
461
 
        
 
459
 
462
460
        self.rebuild()
463
461
        self.log_message_raw(("bold",
464
462
                              "Mandos Monitor version " + version))
465
463
        self.log_message_raw(("bold",
466
464
                              "q: Quit  ?: Help"))
467
 
        
 
465
 
468
466
        self.busname = domain + '.Mandos'
469
 
        self.main_loop = gobject.MainLoop()
470
 
    
 
467
        self.main_loop = GLib.MainLoop()
 
468
 
471
469
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {0} and fingerprint"
473
 
                         " {1} could not be found"
 
470
        self.log_message("Client with address {} and fingerprint {}"
 
471
                         " could not be found"
474
472
                         .format(address, fingerprint))
475
 
    
 
473
 
476
474
    def rebuild(self):
477
475
        """This rebuilds the User Interface.
478
476
        Call this when the widget layout needs to change"""
479
477
        self.uilist = []
480
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
481
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
482
480
                                                          clients),
483
 
                                       #header=urwid.Divider(),
 
481
                                       # header=urwid.Divider(),
484
482
                                       header=None,
485
 
                                       footer=
486
 
                                       urwid.Divider(div_char=
487
 
                                                     self.divider)))
 
483
                                       footer=urwid.Divider(
 
484
                                           div_char=self.divider)))
488
485
        if self.log_visible:
489
486
            self.uilist.append(self.logbox)
490
487
        self.topwidget = urwid.Pile(self.uilist)
491
 
    
 
488
 
492
489
    def log_message(self, message, level=1):
493
490
        """Log message formatted with timestamp"""
494
491
        if level < self.log_level:
495
492
            return
496
493
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
498
495
                             level=level)
499
 
    
 
496
 
500
497
    def log_message_raw(self, markup, level=1):
501
498
        """Add a log message to the log buffer."""
502
499
        if level < self.log_level:
503
500
            return
504
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
 
        if (self.max_log_length
506
 
            and len(self.log) > self.max_log_length):
507
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
502
        if self.max_log_length:
 
503
            if len(self.log) > self.max_log_length:
 
504
                del self.log[0:len(self.log)-self.max_log_length-1]
508
505
        self.logbox.set_focus(len(self.logbox.body.contents),
509
506
                              coming_from="above")
510
507
        self.refresh()
511
 
    
 
508
 
512
509
    def toggle_log_display(self):
513
510
        """Toggle visibility of the log buffer."""
514
511
        self.log_visible = not self.log_visible
515
512
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {0}"
 
513
        self.log_message("Log visibility changed to: {}"
517
514
                         .format(self.log_visible), level=0)
518
 
    
 
515
 
519
516
    def change_log_display(self):
520
517
        """Change type of log display.
521
518
        Currently, this toggles wrapping of text lines."""
525
522
            self.log_wrap = "clip"
526
523
        for textwidget in self.log:
527
524
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
529
526
                         level=0)
530
 
    
531
 
    def find_and_remove_client(self, path, name):
 
527
 
 
528
    def find_and_remove_client(self, path, interfaces):
532
529
        """Find a client by its object path and remove it.
533
 
        
534
 
        This is connected to the ClientRemoved signal from the
 
530
 
 
531
        This is connected to the InterfacesRemoved signal from the
535
532
        Mandos server object."""
 
533
        if client_interface not in interfaces:
 
534
            # Not a Mandos client object; ignore
 
535
            return
536
536
        try:
537
537
            client = self.clients_dict[path]
538
538
        except KeyError:
539
539
            # not found?
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
541
 
                             .format(name, path))
 
540
            self.log_message("Unknown client {!r} removed"
 
541
                             .format(path))
542
542
            return
543
543
        client.delete()
544
 
    
545
 
    def add_new_client(self, path):
 
544
 
 
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
546
554
        client_proxy_object = self.bus.get_object(self.busname, path)
547
 
        self.add_client(MandosClientWidget(server_proxy_object
548
 
                                           =self.mandos_serv,
549
 
                                           proxy_object
550
 
                                           =client_proxy_object,
551
 
                                           update_hook
552
 
                                           =self.refresh,
553
 
                                           delete_hook
554
 
                                           =self.remove_client,
555
 
                                           logger
556
 
                                           =self.log_message),
 
555
        self.add_client(MandosClientWidget(
 
556
            server_proxy_object=self.mandos_serv,
 
557
            proxy_object=client_proxy_object,
 
558
            update_hook=self.refresh,
 
559
            delete_hook=self.remove_client,
 
560
            logger=self.log_message,
 
561
            properties=dict(ifs_and_props[client_interface])),
557
562
                        path=path)
558
 
    
 
563
 
559
564
    def add_client(self, client, path=None):
560
565
        self.clients.append(client)
561
566
        if path is None:
563
568
        self.clients_dict[path] = client
564
569
        self.clients.sort(key=lambda c: c.properties["Name"])
565
570
        self.refresh()
566
 
    
 
571
 
567
572
    def remove_client(self, client, path=None):
568
573
        self.clients.remove(client)
569
574
        if path is None:
570
575
            path = client.proxy.object_path
571
576
        del self.clients_dict[path]
572
577
        self.refresh()
573
 
    
 
578
 
574
579
    def refresh(self):
575
580
        """Redraw the screen"""
576
581
        canvas = self.topwidget.render(self.size, focus=True)
577
582
        self.screen.draw_screen(self.size, canvas)
578
 
    
 
583
 
579
584
    def run(self):
580
585
        """Start the main loop and exit when it's done."""
581
586
        self.bus = dbus.SystemBus()
582
587
        mandos_dbus_objc = self.bus.get_object(
583
588
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
 
589
        self.mandos_serv = dbus.Interface(
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
587
591
        try:
588
592
            mandos_clients = (self.mandos_serv
589
593
                              .GetAllClientsWithProperties())
590
594
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
595
                self.log_message_raw(("bold",
 
596
                                      "Note: Server has no clients."))
592
597
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
598
            self.log_message_raw(("bold",
 
599
                                  "Note: No Mandos server running."))
594
600
            mandos_clients = dbus.Dictionary()
595
 
        
 
601
 
596
602
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
 
603
         .connect_to_signal("InterfacesRemoved",
598
604
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
600
606
                            byte_arrays=True))
601
607
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
 
608
         .connect_to_signal("InterfacesAdded",
603
609
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
611
                            byte_arrays=True))
606
612
        (self.mandos_serv
607
613
         .connect_to_signal("ClientNotFound",
611
617
        for path, client in mandos_clients.items():
612
618
            client_proxy_object = self.bus.get_object(self.busname,
613
619
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
 
620
            self.add_client(MandosClientWidget(
 
621
                server_proxy_object=self.mandos_serv,
 
622
                proxy_object=client_proxy_object,
 
623
                properties=client,
 
624
                update_hook=self.refresh,
 
625
                delete_hook=self.remove_client,
 
626
                logger=self.log_message),
625
627
                            path=path)
626
 
        
 
628
 
627
629
        self.refresh()
628
 
        self._input_callback_tag = (gobject.io_add_watch
 
630
        self._input_callback_tag = (GLib.io_add_watch
629
631
                                    (sys.stdin.fileno(),
630
 
                                     gobject.IO_IN,
 
632
                                     GLib.IO_IN,
631
633
                                     self.process_input))
632
634
        self.main_loop.run()
633
635
        # Main loop has finished, we should close everything now
634
 
        gobject.source_remove(self._input_callback_tag)
 
636
        GLib.source_remove(self._input_callback_tag)
635
637
        self.screen.stop()
636
 
    
 
638
 
637
639
    def stop(self):
638
640
        self.main_loop.quit()
639
 
    
 
641
 
640
642
    def process_input(self, source, condition):
641
643
        keys = self.screen.get_input()
642
 
        translations = { "ctrl n": "down",      # Emacs
643
 
                         "ctrl p": "up",        # Emacs
644
 
                         "ctrl v": "page down", # Emacs
645
 
                         "meta v": "page up",   # Emacs
646
 
                         " ": "page down",      # less
647
 
                         "f": "page down",      # less
648
 
                         "b": "page up",        # less
649
 
                         "j": "down",           # vi
650
 
                         "k": "up",             # vi
651
 
                         }
 
644
        translations = {"ctrl n": "down",       # Emacs
 
645
                        "ctrl p": "up",         # Emacs
 
646
                        "ctrl v": "page down",  # Emacs
 
647
                        "meta v": "page up",    # Emacs
 
648
                        " ": "page down",       # less
 
649
                        "f": "page down",       # less
 
650
                        "b": "page up",         # less
 
651
                        "j": "down",            # vi
 
652
                        "k": "up",              # vi
 
653
                        }
652
654
        for key in keys:
653
655
            try:
654
656
                key = translations[key]
655
657
            except KeyError:    # :-)
656
658
                pass
657
 
            
 
659
 
658
660
            if key == "q" or key == "Q":
659
661
                self.stop()
660
662
                break
661
663
            elif key == "window resize":
662
664
                self.size = self.screen.get_cols_rows()
663
665
                self.refresh()
664
 
            elif key == "\f":  # Ctrl-L
 
666
            elif key == "ctrl l":
 
667
                self.screen.clear()
665
668
                self.refresh()
666
669
            elif key == "l" or key == "D":
667
670
                self.toggle_log_display()
707
710
                else:
708
711
                    self.log_level = 0
709
712
                    self.log_message("Verbose mode: On")
710
 
            #elif (key == "end" or key == "meta >" or key == "G"
711
 
            #      or key == ">"):
712
 
            #    pass            # xxx end-of-buffer
713
 
            #elif (key == "home" or key == "meta <" or key == "g"
714
 
            #      or key == "<"):
715
 
            #    pass            # xxx beginning-of-buffer
716
 
            #elif key == "ctrl e" or key == "$":
717
 
            #    pass            # xxx move-end-of-line
718
 
            #elif key == "ctrl a" or key == "^":
719
 
            #    pass            # xxx move-beginning-of-line
720
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
721
 
            #    pass            # xxx left
722
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
723
 
            #    pass            # xxx right
724
 
            #elif key == "a":
725
 
            #    pass            # scroll up log
726
 
            #elif key == "z":
727
 
            #    pass            # scroll down log
 
713
            # elif (key == "end" or key == "meta >" or key == "G"
 
714
            #       or key == ">"):
 
715
            #     pass            # xxx end-of-buffer
 
716
            # elif (key == "home" or key == "meta <" or key == "g"
 
717
            #       or key == "<"):
 
718
            #     pass            # xxx beginning-of-buffer
 
719
            # elif key == "ctrl e" or key == "$":
 
720
            #     pass            # xxx move-end-of-line
 
721
            # elif key == "ctrl a" or key == "^":
 
722
            #     pass            # xxx move-beginning-of-line
 
723
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
724
            #     pass            # xxx left
 
725
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
726
            #     pass            # xxx right
 
727
            # elif key == "a":
 
728
            #     pass            # scroll up log
 
729
            # elif key == "z":
 
730
            #     pass            # scroll down log
728
731
            elif self.topwidget.selectable():
729
732
                self.topwidget.keypress(self.size, key)
730
733
                self.refresh()