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  • Committer: Teddy Hogeborn
  • Date: 2014-06-13 22:13:56 UTC
  • Revision ID: teddy@recompile.se-20140613221356-b9c36ctxmw4pelja
Fix free() of possibly uninitialized pointer in mandos-client.

* plugins.d/mandos-client (main): Initialize "direntries" to NULL so
                                  it can be free()'d even if scandir()
                                  fails.

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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 © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
 
5
# 
 
6
# Copyright © 2009-2014 Teddy Hogeborn
 
7
# Copyright © 2009-2014 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
17
#     GNU General Public License for more details.
20
 
#
 
18
# 
21
19
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
24
23
# Contact the authors at <mandos@recompile.se>.
25
 
#
 
24
# 
26
25
 
27
26
from __future__ import (division, absolute_import, print_function,
28
27
                        unicode_literals)
40
39
import urwid
41
40
 
42
41
from dbus.mainloop.glib import DBusGMainLoop
43
 
from gi.repository import GLib
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
44
46
 
45
47
import dbus
46
48
 
47
49
import locale
48
50
 
49
 
import logging
50
 
 
51
 
if sys.version_info.major == 2:
 
51
if sys.version_info[0] == 2:
52
52
    str = unicode
53
53
 
54
54
locale.setlocale(locale.LC_ALL, '')
55
55
 
 
56
import logging
56
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
57
58
 
58
59
# Some useful constants
59
60
domain = 'se.recompile'
60
61
server_interface = domain + '.Mandos'
61
62
client_interface = domain + '.Mandos.Client'
62
 
version = "1.8.3"
63
 
 
64
 
try:
65
 
    dbus.OBJECT_MANAGER_IFACE
66
 
except AttributeError:
67
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
68
 
 
 
63
version = "1.6.5"
69
64
 
70
65
def isoformat_to_datetime(iso):
71
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
80
75
                             int(day),
81
76
                             int(hour),
82
77
                             int(minute),
83
 
                             int(second),            # Whole seconds
84
 
                             int(fraction*1000000))  # Microseconds
85
 
 
 
78
                             int(second),           # Whole seconds
 
79
                             int(fraction*1000000)) # Microseconds
86
80
 
87
81
class MandosClientPropertyCache(object):
88
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
90
84
    changed.
91
85
    """
92
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
87
        self.proxy = proxy_object # Mandos Client proxy object
94
88
        self.properties = dict() if properties is None else properties
95
89
        self.property_changed_match = (
96
 
            self.proxy.connect_to_signal("PropertiesChanged",
97
 
                                         self.properties_changed,
98
 
                                         dbus.PROPERTIES_IFACE,
 
90
            self.proxy.connect_to_signal("PropertyChanged",
 
91
                                         self._property_changed,
 
92
                                         client_interface,
99
93
                                         byte_arrays=True))
100
 
 
 
94
        
101
95
        if properties is None:
102
 
            self.properties.update(self.proxy.GetAll(
103
 
                client_interface,
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
105
 
 
 
96
            self.properties.update(
 
97
                self.proxy.GetAll(client_interface,
 
98
                                  dbus_interface
 
99
                                  = dbus.PROPERTIES_IFACE))
 
100
        
106
101
        super(MandosClientPropertyCache, self).__init__(**kwargs)
107
 
 
108
 
    def properties_changed(self, interface, properties, invalidated):
109
 
        """This is called whenever we get a PropertiesChanged signal
110
 
        It updates the changed properties in the "properties" dict.
 
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.
111
110
        """
112
111
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
115
 
 
 
112
        self.properties[property] = value
 
113
    
116
114
    def delete(self):
117
115
        self.property_changed_match.remove()
118
116
 
120
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
119
    """A Mandos Client which is visible on the screen.
122
120
    """
123
 
 
 
121
    
124
122
    def __init__(self, server_proxy_object=None, update_hook=None,
125
123
                 delete_hook=None, logger=None, **kwargs):
126
124
        # Called on update
131
129
        self.server_proxy_object = server_proxy_object
132
130
        # Logger
133
131
        self.logger = logger
134
 
 
 
132
        
135
133
        self._update_timer_callback_tag = None
136
 
 
 
134
        
137
135
        # The widget shown normally
138
136
        self._text_widget = urwid.Text("")
139
137
        # The widget shown when we have focus
141
139
        super(MandosClientWidget, self).__init__(**kwargs)
142
140
        self.update()
143
141
        self.opened = False
144
 
 
 
142
        
145
143
        self.match_objects = (
146
144
            self.proxy.connect_to_signal("CheckerCompleted",
147
145
                                         self.checker_completed,
163
161
                                         self.rejected,
164
162
                                         client_interface,
165
163
                                         byte_arrays=True))
166
 
        self.logger('Created client {}'
167
 
                    .format(self.properties["Name"]), level=0)
168
 
 
 
164
        #self.logger('Created client {0}'
 
165
        #            .format(self.properties["Name"]))
 
166
    
169
167
    def using_timer(self, flag):
170
168
        """Call this method with True or False when timer should be
171
169
        activated or deactivated.
172
170
        """
173
171
        if flag and self._update_timer_callback_tag is None:
174
172
            # Will update the shown timer value every second
175
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
173
            self._update_timer_callback_tag = (gobject.timeout_add
176
174
                                               (1000,
177
175
                                                self.update_timer))
178
176
        elif not (flag or self._update_timer_callback_tag is None):
179
 
            GLib.source_remove(self._update_timer_callback_tag)
 
177
            gobject.source_remove(self._update_timer_callback_tag)
180
178
            self._update_timer_callback_tag = None
181
 
 
 
179
    
182
180
    def checker_completed(self, exitstatus, condition, command):
183
181
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            command), level=0)
187
182
            self.update()
188
183
            return
189
184
        # Checker failed
190
185
        if os.WIFEXITED(condition):
191
 
            self.logger('Checker for client {} (command "{}") failed'
192
 
                        ' with exit code {}'
 
186
            self.logger('Checker for client {0} (command "{1}")'
 
187
                        ' failed with exit code {2}'
193
188
                        .format(self.properties["Name"], command,
194
189
                                os.WEXITSTATUS(condition)))
195
190
        elif os.WIFSIGNALED(condition):
196
 
            self.logger('Checker for client {} (command "{}") was'
197
 
                        ' killed by signal {}'
 
191
            self.logger('Checker for client {0} (command "{1}") was'
 
192
                        ' killed by signal {2}'
198
193
                        .format(self.properties["Name"], command,
199
194
                                os.WTERMSIG(condition)))
 
195
        elif os.WCOREDUMP(condition):
 
196
            self.logger('Checker for client {0} (command "{1}")'
 
197
                        ' dumped core'
 
198
                        .format(self.properties["Name"], command))
 
199
        else:
 
200
            self.logger('Checker for client {0} completed'
 
201
                        ' mysteriously'
 
202
                        .format(self.properties["Name"]))
200
203
        self.update()
201
 
 
 
204
    
202
205
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        self.logger('Client {} started checker "{}"'
205
 
                    .format(self.properties["Name"],
206
 
                            command), level=0)
207
 
 
 
206
        """Server signals that a checker started. This could be useful
 
207
           to log in the future. """
 
208
        #self.logger('Client {0} started checker "{1}"'
 
209
        #            .format(self.properties["Name"],
 
210
        #                    str(command)))
 
211
        pass
 
212
    
208
213
    def got_secret(self):
209
 
        self.logger('Client {} received its secret'
 
214
        self.logger('Client {0} received its secret'
210
215
                    .format(self.properties["Name"]))
211
 
 
 
216
    
212
217
    def need_approval(self, timeout, default):
213
218
        if not default:
214
 
            message = 'Client {} needs approval within {} seconds'
 
219
            message = 'Client {0} needs approval within {1} seconds'
215
220
        else:
216
 
            message = 'Client {} will get its secret in {} seconds'
 
221
            message = 'Client {0} will get its secret in {1} seconds'
217
222
        self.logger(message.format(self.properties["Name"],
218
223
                                   timeout/1000))
219
 
 
 
224
    
220
225
    def rejected(self, reason):
221
 
        self.logger('Client {} was rejected; reason: {}'
 
226
        self.logger('Client {0} was rejected; reason: {1}'
222
227
                    .format(self.properties["Name"], reason))
223
 
 
 
228
    
224
229
    def selectable(self):
225
230
        """Make this a "selectable" widget.
226
231
        This overrides the method from urwid.FlowWidget."""
227
232
        return True
228
 
 
 
233
    
229
234
    def rows(self, maxcolrow, focus=False):
230
235
        """How many rows this widget will occupy might depend on
231
236
        whether we have focus or not.
232
237
        This overrides the method from urwid.FlowWidget"""
233
238
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
 
 
 
239
    
235
240
    def current_widget(self, focus=False):
236
241
        if focus or self.opened:
237
242
            return self._focus_widget
238
243
        return self._widget
239
 
 
 
244
    
240
245
    def update(self):
241
246
        "Called when what is visible on the screen should be updated."
242
247
        # How to add standout mode to a style
243
 
        with_standout = {"normal": "standout",
244
 
                         "bold": "bold-standout",
245
 
                         "underline-blink":
246
 
                         "underline-blink-standout",
247
 
                         "bold-underline-blink":
248
 
                         "bold-underline-blink-standout",
249
 
                         }
250
 
 
 
248
        with_standout = { "normal": "standout",
 
249
                          "bold": "bold-standout",
 
250
                          "underline-blink":
 
251
                              "underline-blink-standout",
 
252
                          "bold-underline-blink":
 
253
                              "bold-underline-blink-standout",
 
254
                          }
 
255
        
251
256
        # Rebuild focus and non-focus widgets using current properties
252
 
 
 
257
        
253
258
        # Base part of a client. Name!
254
259
        base = '{name}: '.format(name=self.properties["Name"])
255
260
        if not self.properties["Enabled"]:
256
261
            message = "DISABLED"
257
262
            self.using_timer(False)
258
263
        elif self.properties["ApprovalPending"]:
259
 
            timeout = datetime.timedelta(
260
 
                milliseconds=self.properties["ApprovalDelay"])
 
264
            timeout = datetime.timedelta(milliseconds
 
265
                                         = self.properties
 
266
                                         ["ApprovalDelay"])
261
267
            last_approval_request = isoformat_to_datetime(
262
268
                self.properties["LastApprovalRequest"])
263
269
            if last_approval_request is not None:
267
273
            else:
268
274
                timer = datetime.timedelta()
269
275
            if self.properties["ApprovedByDefault"]:
270
 
                message = "Approval in {}. (d)eny?"
 
276
                message = "Approval in {0}. (d)eny?"
271
277
            else:
272
 
                message = "Denial in {}. (a)pprove?"
 
278
                message = "Denial in {0}. (a)pprove?"
273
279
            message = message.format(str(timer).rsplit(".", 1)[0])
274
280
            self.using_timer(True)
275
281
        elif self.properties["LastCheckerStatus"] != 0:
283
289
                timer = max(expires - datetime.datetime.utcnow(),
284
290
                            datetime.timedelta())
285
291
            message = ('A checker has failed! Time until client'
286
 
                       ' gets disabled: {}'
 
292
                       ' gets disabled: {0}'
287
293
                       .format(str(timer).rsplit(".", 1)[0]))
288
294
            self.using_timer(True)
289
295
        else:
290
296
            message = "enabled"
291
297
            self.using_timer(False)
292
 
        self._text = "{}{}".format(base, message)
293
 
 
 
298
        self._text = "{0}{1}".format(base, message)
 
299
        
294
300
        if not urwid.supports_unicode():
295
301
            self._text = self._text.encode("ascii", "replace")
296
302
        textlist = [("normal", self._text)]
306
312
        # Run update hook, if any
307
313
        if self.update_hook is not None:
308
314
            self.update_hook()
309
 
 
 
315
    
310
316
    def update_timer(self):
311
 
        """called by GLib. Will indefinitely loop until
312
 
        GLib.source_remove() on tag is called
313
 
        """
 
317
        """called by gobject. Will indefinitely loop until
 
318
        gobject.source_remove() on tag is called"""
314
319
        self.update()
315
320
        return True             # Keep calling this
316
 
 
 
321
    
317
322
    def delete(self, **kwargs):
318
323
        if self._update_timer_callback_tag is not None:
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
324
            gobject.source_remove(self._update_timer_callback_tag)
320
325
            self._update_timer_callback_tag = None
321
326
        for match in self.match_objects:
322
327
            match.remove()
324
329
        if self.delete_hook is not None:
325
330
            self.delete_hook(self)
326
331
        return super(MandosClientWidget, self).delete(**kwargs)
327
 
 
 
332
    
328
333
    def render(self, maxcolrow, focus=False):
329
334
        """Render differently if we have focus.
330
335
        This overrides the method from urwid.FlowWidget"""
331
336
        return self.current_widget(focus).render(maxcolrow,
332
337
                                                 focus=focus)
333
 
 
 
338
    
334
339
    def keypress(self, maxcolrow, key):
335
340
        """Handle keys.
336
341
        This overrides the method from urwid.FlowWidget"""
337
342
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply=True,
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
343
            self.proxy.Enable(dbus_interface = client_interface,
 
344
                              ignore_reply=True)
341
345
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply=True,
344
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
346
            self.proxy.Disable(dbus_interface = client_interface,
 
347
                               ignore_reply=True)
345
348
        elif key == "a":
346
349
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface=client_interface,
 
350
                               dbus_interface = client_interface,
348
351
                               ignore_reply=True)
349
352
        elif key == "d":
350
353
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                               dbus_interface=client_interface,
 
354
                                  dbus_interface = client_interface,
352
355
                               ignore_reply=True)
353
356
        elif key == "R" or key == "_" or key == "ctrl k":
354
357
            self.server_proxy_object.RemoveClient(self.proxy
355
358
                                                  .object_path,
356
359
                                                  ignore_reply=True)
357
360
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply=True,
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
361
            self.proxy.StartChecker(dbus_interface = client_interface,
 
362
                                    ignore_reply=True)
361
363
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply=True,
364
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
364
            self.proxy.StopChecker(dbus_interface = client_interface,
 
365
                                   ignore_reply=True)
365
366
        elif key == "C":
366
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
367
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
368
                                 ignore_reply=True)
368
369
        # xxx
369
370
#         elif key == "p" or key == "=":
374
375
#             self.open()
375
376
        else:
376
377
            return key
377
 
 
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """Call self.update() if any properties changed.
 
378
    
 
379
    def property_changed(self, property=None, **kwargs):
 
380
        """Call self.update() if old value is not new value.
380
381
        This overrides the method from MandosClientPropertyCache"""
381
 
        old_values = {key: self.properties.get(key)
382
 
                      for key in properties.keys()}
383
 
        super(MandosClientWidget, self).properties_changed(
384
 
            interface, properties, invalidated)
385
 
        if any(old_values[key] != self.properties.get(key)
386
 
               for key in old_values):
 
382
        property_name = str(property)
 
383
        old_value = self.properties.get(property_name)
 
384
        super(MandosClientWidget, self).property_changed(
 
385
            property=property, **kwargs)
 
386
        if self.properties.get(property_name) != old_value:
387
387
            self.update()
388
388
 
389
389
 
393
393
    use them as an excuse to shift focus away from this widget.
394
394
    """
395
395
    def keypress(self, *args, **kwargs):
396
 
        ret = (super(ConstrainedListBox, self)
397
 
               .keypress(*args, **kwargs))
 
396
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
397
        if ret in ("up", "down"):
399
398
            return
400
399
        return ret
404
403
    """This is the entire user interface - the whole screen
405
404
    with boxes, lists of client widgets, etc.
406
405
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
406
    def __init__(self, max_log_length=1000):
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",
423
 
                 "bold,underline,blink"),
 
421
                 "bold,underline,blink", "default", "bold,underline,blink"),
424
422
                ("bold-standout",
425
423
                 "bold,standout", "default", "bold,standout"),
426
424
                ("underline-blink-standout",
430
428
                 "bold,underline,blink,standout", "default",
431
429
                 "bold,underline,blink,standout"),
432
430
                ))
433
 
 
 
431
        
434
432
        if urwid.supports_unicode():
435
 
            self.divider = "─"  # \u2500
 
433
            self.divider = "─" # \u2500
 
434
            #self.divider = "━" # \u2501
436
435
        else:
437
 
            self.divider = "_"  # \u005f
438
 
 
 
436
            #self.divider = "-" # \u002d
 
437
            self.divider = "_" # \u005f
 
438
        
439
439
        self.screen.start()
440
 
 
 
440
        
441
441
        self.size = self.screen.get_cols_rows()
442
 
 
 
442
        
443
443
        self.clients = urwid.SimpleListWalker([])
444
444
        self.clients_dict = {}
445
 
 
 
445
        
446
446
        # We will add Text widgets to this list
447
 
        self.log = urwid.SimpleListWalker([])
 
447
        self.log = []
448
448
        self.max_log_length = max_log_length
449
 
 
450
 
        self.log_level = log_level
451
 
 
 
449
        
452
450
        # We keep a reference to the log widget so we can remove it
453
451
        # from the ListWalker without it getting destroyed
454
452
        self.logbox = ConstrainedListBox(self.log)
455
 
 
 
453
        
456
454
        # This keeps track of whether self.uilist currently has
457
455
        # self.logbox in it or not
458
456
        self.log_visible = True
459
457
        self.log_wrap = "any"
460
 
 
 
458
        
461
459
        self.rebuild()
462
460
        self.log_message_raw(("bold",
463
461
                              "Mandos Monitor version " + version))
464
462
        self.log_message_raw(("bold",
465
463
                              "q: Quit  ?: Help"))
466
 
 
 
464
        
467
465
        self.busname = domain + '.Mandos'
468
 
        self.main_loop = GLib.MainLoop()
469
 
 
 
466
        self.main_loop = gobject.MainLoop()
 
467
    
470
468
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {} and fingerprint {}"
472
 
                         " could not be found"
 
469
        self.log_message("Client with address {0} and fingerprint"
 
470
                         " {1} could not be found"
473
471
                         .format(address, fingerprint))
474
 
 
 
472
    
475
473
    def rebuild(self):
476
474
        """This rebuilds the User Interface.
477
475
        Call this when the widget layout needs to change"""
478
476
        self.uilist = []
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
477
        #self.uilist.append(urwid.ListBox(self.clients))
480
478
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
479
                                                          clients),
482
 
                                       # header=urwid.Divider(),
 
480
                                       #header=urwid.Divider(),
483
481
                                       header=None,
484
 
                                       footer=urwid.Divider(
485
 
                                           div_char=self.divider)))
 
482
                                       footer=
 
483
                                       urwid.Divider(div_char=
 
484
                                                     self.divider)))
486
485
        if self.log_visible:
487
486
            self.uilist.append(self.logbox)
488
487
        self.topwidget = urwid.Pile(self.uilist)
489
 
 
490
 
    def log_message(self, message, level=1):
 
488
    
 
489
    def log_message(self, message):
491
490
        """Log message formatted with timestamp"""
492
 
        if level < self.log_level:
493
 
            return
494
491
        timestamp = datetime.datetime.now().isoformat()
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
496
 
                             level=level)
497
 
 
498
 
    def log_message_raw(self, markup, level=1):
 
492
        self.log_message_raw(timestamp + ": " + message)
 
493
    
 
494
    def log_message_raw(self, markup):
499
495
        """Add a log message to the log buffer."""
500
 
        if level < self.log_level:
501
 
            return
502
496
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
503
 
        if self.max_log_length:
504
 
            if len(self.log) > self.max_log_length:
505
 
                del self.log[0:len(self.log)-self.max_log_length-1]
506
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
497
        if (self.max_log_length
 
498
            and len(self.log) > self.max_log_length):
 
499
            del self.log[0:len(self.log)-self.max_log_length-1]
 
500
        self.logbox.set_focus(len(self.logbox.body.contents),
507
501
                              coming_from="above")
508
502
        self.refresh()
509
 
 
 
503
    
510
504
    def toggle_log_display(self):
511
505
        """Toggle visibility of the log buffer."""
512
506
        self.log_visible = not self.log_visible
513
507
        self.rebuild()
514
 
        self.log_message("Log visibility changed to: {}"
515
 
                         .format(self.log_visible), level=0)
516
 
 
 
508
        #self.log_message("Log visibility changed to: "
 
509
        #                 + str(self.log_visible))
 
510
    
517
511
    def change_log_display(self):
518
512
        """Change type of log display.
519
513
        Currently, this toggles wrapping of text lines."""
523
517
            self.log_wrap = "clip"
524
518
        for textwidget in self.log:
525
519
            textwidget.set_wrap_mode(self.log_wrap)
526
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
527
 
                         level=0)
528
 
 
529
 
    def find_and_remove_client(self, path, interfaces):
 
520
        #self.log_message("Wrap mode: " + self.log_wrap)
 
521
    
 
522
    def find_and_remove_client(self, path, name):
530
523
        """Find a client by its object path and remove it.
531
 
 
532
 
        This is connected to the InterfacesRemoved signal from the
 
524
        
 
525
        This is connected to the ClientRemoved signal from the
533
526
        Mandos server object."""
534
 
        if client_interface not in interfaces:
535
 
            # Not a Mandos client object; ignore
536
 
            return
537
527
        try:
538
528
            client = self.clients_dict[path]
539
529
        except KeyError:
540
530
            # not found?
541
 
            self.log_message("Unknown client {!r} removed"
542
 
                             .format(path))
 
531
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
532
                             .format(name, path))
543
533
            return
544
534
        client.delete()
545
 
 
546
 
    def add_new_client(self, path, ifs_and_props):
547
 
        """Find a client by its object path and remove it.
548
 
 
549
 
        This is connected to the InterfacesAdded signal from the
550
 
        Mandos server object.
551
 
        """
552
 
        if client_interface not in ifs_and_props:
553
 
            # Not a Mandos client object; ignore
554
 
            return
 
535
    
 
536
    def add_new_client(self, path):
555
537
        client_proxy_object = self.bus.get_object(self.busname, path)
556
 
        self.add_client(MandosClientWidget(
557
 
            server_proxy_object=self.mandos_serv,
558
 
            proxy_object=client_proxy_object,
559
 
            update_hook=self.refresh,
560
 
            delete_hook=self.remove_client,
561
 
            logger=self.log_message,
562
 
            properties=dict(ifs_and_props[client_interface])),
 
538
        self.add_client(MandosClientWidget(server_proxy_object
 
539
                                           =self.mandos_serv,
 
540
                                           proxy_object
 
541
                                           =client_proxy_object,
 
542
                                           update_hook
 
543
                                           =self.refresh,
 
544
                                           delete_hook
 
545
                                           =self.remove_client,
 
546
                                           logger
 
547
                                           =self.log_message),
563
548
                        path=path)
564
 
 
 
549
    
565
550
    def add_client(self, client, path=None):
566
551
        self.clients.append(client)
567
552
        if path is None:
569
554
        self.clients_dict[path] = client
570
555
        self.clients.sort(key=lambda c: c.properties["Name"])
571
556
        self.refresh()
572
 
 
 
557
    
573
558
    def remove_client(self, client, path=None):
574
559
        self.clients.remove(client)
575
560
        if path is None:
576
561
            path = client.proxy.object_path
577
562
        del self.clients_dict[path]
578
563
        self.refresh()
579
 
 
 
564
    
580
565
    def refresh(self):
581
566
        """Redraw the screen"""
582
567
        canvas = self.topwidget.render(self.size, focus=True)
583
568
        self.screen.draw_screen(self.size, canvas)
584
 
 
 
569
    
585
570
    def run(self):
586
571
        """Start the main loop and exit when it's done."""
587
572
        self.bus = dbus.SystemBus()
588
573
        mandos_dbus_objc = self.bus.get_object(
589
574
            self.busname, "/", follow_name_owner_changes=True)
590
 
        self.mandos_serv = dbus.Interface(
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
575
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
576
                                          dbus_interface
 
577
                                          = server_interface)
592
578
        try:
593
579
            mandos_clients = (self.mandos_serv
594
580
                              .GetAllClientsWithProperties())
595
581
            if not mandos_clients:
596
 
                self.log_message_raw(("bold",
597
 
                                      "Note: Server has no clients."))
 
582
                self.log_message_raw(("bold", "Note: Server has no clients."))
598
583
        except dbus.exceptions.DBusException:
599
 
            self.log_message_raw(("bold",
600
 
                                  "Note: No Mandos server running."))
 
584
            self.log_message_raw(("bold", "Note: No Mandos server running."))
601
585
            mandos_clients = dbus.Dictionary()
602
 
 
 
586
        
603
587
        (self.mandos_serv
604
 
         .connect_to_signal("InterfacesRemoved",
 
588
         .connect_to_signal("ClientRemoved",
605
589
                            self.find_and_remove_client,
606
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
590
                            dbus_interface=server_interface,
607
591
                            byte_arrays=True))
608
592
        (self.mandos_serv
609
 
         .connect_to_signal("InterfacesAdded",
 
593
         .connect_to_signal("ClientAdded",
610
594
                            self.add_new_client,
611
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
595
                            dbus_interface=server_interface,
612
596
                            byte_arrays=True))
613
597
        (self.mandos_serv
614
598
         .connect_to_signal("ClientNotFound",
618
602
        for path, client in mandos_clients.items():
619
603
            client_proxy_object = self.bus.get_object(self.busname,
620
604
                                                      path)
621
 
            self.add_client(MandosClientWidget(
622
 
                server_proxy_object=self.mandos_serv,
623
 
                proxy_object=client_proxy_object,
624
 
                properties=client,
625
 
                update_hook=self.refresh,
626
 
                delete_hook=self.remove_client,
627
 
                logger=self.log_message),
 
605
            self.add_client(MandosClientWidget(server_proxy_object
 
606
                                               =self.mandos_serv,
 
607
                                               proxy_object
 
608
                                               =client_proxy_object,
 
609
                                               properties=client,
 
610
                                               update_hook
 
611
                                               =self.refresh,
 
612
                                               delete_hook
 
613
                                               =self.remove_client,
 
614
                                               logger
 
615
                                               =self.log_message),
628
616
                            path=path)
629
 
 
 
617
        
630
618
        self.refresh()
631
 
        self._input_callback_tag = (GLib.io_add_watch
 
619
        self._input_callback_tag = (gobject.io_add_watch
632
620
                                    (sys.stdin.fileno(),
633
 
                                     GLib.IO_IN,
 
621
                                     gobject.IO_IN,
634
622
                                     self.process_input))
635
623
        self.main_loop.run()
636
624
        # Main loop has finished, we should close everything now
637
 
        GLib.source_remove(self._input_callback_tag)
 
625
        gobject.source_remove(self._input_callback_tag)
638
626
        self.screen.stop()
639
 
 
 
627
    
640
628
    def stop(self):
641
629
        self.main_loop.quit()
642
 
 
 
630
    
643
631
    def process_input(self, source, condition):
644
632
        keys = self.screen.get_input()
645
 
        translations = {"ctrl n": "down",       # Emacs
646
 
                        "ctrl p": "up",         # Emacs
647
 
                        "ctrl v": "page down",  # Emacs
648
 
                        "meta v": "page up",    # Emacs
649
 
                        " ": "page down",       # less
650
 
                        "f": "page down",       # less
651
 
                        "b": "page up",         # less
652
 
                        "j": "down",            # vi
653
 
                        "k": "up",              # vi
654
 
                        }
 
633
        translations = { "ctrl n": "down",      # Emacs
 
634
                         "ctrl p": "up",        # Emacs
 
635
                         "ctrl v": "page down", # Emacs
 
636
                         "meta v": "page up",   # Emacs
 
637
                         " ": "page down",      # less
 
638
                         "f": "page down",      # less
 
639
                         "b": "page up",        # less
 
640
                         "j": "down",           # vi
 
641
                         "k": "up",             # vi
 
642
                         }
655
643
        for key in keys:
656
644
            try:
657
645
                key = translations[key]
658
646
            except KeyError:    # :-)
659
647
                pass
660
 
 
 
648
            
661
649
            if key == "q" or key == "Q":
662
650
                self.stop()
663
651
                break
664
652
            elif key == "window resize":
665
653
                self.size = self.screen.get_cols_rows()
666
654
                self.refresh()
667
 
            elif key == "ctrl l":
668
 
                self.screen.clear()
 
655
            elif key == "\f":  # Ctrl-L
669
656
                self.refresh()
670
657
            elif key == "l" or key == "D":
671
658
                self.toggle_log_display()
683
670
                                            "?: Help",
684
671
                                            "l: Log window toggle",
685
672
                                            "TAB: Switch window",
686
 
                                            "w: Wrap (log lines)",
687
 
                                            "v: Toggle verbose log",
688
 
                                            ))))
 
673
                                            "w: Wrap (log)"))))
689
674
                self.log_message_raw(("bold",
690
675
                                      "  "
691
676
                                      .join(("Clients:",
704
689
                else:
705
690
                    self.topwidget.set_focus(self.logbox)
706
691
                self.refresh()
707
 
            elif key == "v":
708
 
                if self.log_level == 0:
709
 
                    self.log_level = 1
710
 
                    self.log_message("Verbose mode: Off")
711
 
                else:
712
 
                    self.log_level = 0
713
 
                    self.log_message("Verbose mode: On")
714
 
            # elif (key == "end" or key == "meta >" or key == "G"
715
 
            #       or key == ">"):
716
 
            #     pass            # xxx end-of-buffer
717
 
            # elif (key == "home" or key == "meta <" or key == "g"
718
 
            #       or key == "<"):
719
 
            #     pass            # xxx beginning-of-buffer
720
 
            # elif key == "ctrl e" or key == "$":
721
 
            #     pass            # xxx move-end-of-line
722
 
            # elif key == "ctrl a" or key == "^":
723
 
            #     pass            # xxx move-beginning-of-line
724
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
725
 
            #     pass            # xxx left
726
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
727
 
            #     pass            # xxx right
728
 
            # elif key == "a":
729
 
            #     pass            # scroll up log
730
 
            # elif key == "z":
731
 
            #     pass            # scroll down log
 
692
            #elif (key == "end" or key == "meta >" or key == "G"
 
693
            #      or key == ">"):
 
694
            #    pass            # xxx end-of-buffer
 
695
            #elif (key == "home" or key == "meta <" or key == "g"
 
696
            #      or key == "<"):
 
697
            #    pass            # xxx beginning-of-buffer
 
698
            #elif key == "ctrl e" or key == "$":
 
699
            #    pass            # xxx move-end-of-line
 
700
            #elif key == "ctrl a" or key == "^":
 
701
            #    pass            # xxx move-beginning-of-line
 
702
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
703
            #    pass            # xxx left
 
704
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
705
            #    pass            # xxx right
 
706
            #elif key == "a":
 
707
            #    pass            # scroll up log
 
708
            #elif key == "z":
 
709
            #    pass            # scroll down log
732
710
            elif self.topwidget.selectable():
733
711
                self.topwidget.keypress(self.size, key)
734
712
                self.refresh()
735
713
        return True
736
714
 
737
 
 
738
715
ui = UserInterface()
739
716
try:
740
717
    ui.run()