/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos

  • Committer: Teddy Hogeborn
  • Date: 2011-02-27 17:33:28 UTC
  • mfrom: (237.5.2 mandos-release)
  • Revision ID: teddy@fukt.bsnet.se-20110227173328-iobho8fi50761460
Merge fix for password-prompt/plymouth conflict from Björn.

Show diffs side-by-side

added added

removed removed

Lines of Context:
11
11
# "AvahiService" class, and some lines in "main".
12
12
13
13
# Everything else is
14
 
# Copyright © 2008,2009 Teddy Hogeborn
15
 
# Copyright © 2008,2009 Björn Påhlsson
 
14
# Copyright © 2008-2011 Teddy Hogeborn
 
15
# Copyright © 2008-2011 Björn Påhlsson
16
16
17
17
# This program is free software: you can redistribute it and/or modify
18
18
# it under the terms of the GNU General Public License as published by
31
31
# Contact the authors at <mandos@fukt.bsnet.se>.
32
32
33
33
 
34
 
from __future__ import division, with_statement, absolute_import
 
34
from __future__ import (division, absolute_import, print_function,
 
35
                        unicode_literals)
35
36
 
36
37
import SocketServer as socketserver
37
38
import socket
81
82
        SO_BINDTODEVICE = None
82
83
 
83
84
 
84
 
version = "1.0.14"
 
85
version = "1.2.3"
85
86
 
86
 
#logger = logging.getLogger(u'mandos')
87
 
logger = logging.Logger(u'mandos')
 
87
#logger = logging.getLogger('mandos')
 
88
logger = logging.Logger('mandos')
88
89
syslogger = (logging.handlers.SysLogHandler
89
90
             (facility = logging.handlers.SysLogHandler.LOG_DAEMON,
90
 
              address = "/dev/log"))
 
91
              address = str("/dev/log")))
91
92
syslogger.setFormatter(logging.Formatter
92
 
                       (u'Mandos [%(process)d]: %(levelname)s:'
93
 
                        u' %(message)s'))
 
93
                       ('Mandos [%(process)d]: %(levelname)s:'
 
94
                        ' %(message)s'))
94
95
logger.addHandler(syslogger)
95
96
 
96
97
console = logging.StreamHandler()
97
 
console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'
98
 
                                       u' %(levelname)s:'
99
 
                                       u' %(message)s'))
 
98
console.setFormatter(logging.Formatter('%(name)s [%(process)d]:'
 
99
                                       ' %(levelname)s:'
 
100
                                       ' %(message)s'))
100
101
logger.addHandler(console)
101
102
 
102
103
class AvahiError(Exception):
119
120
    Attributes:
120
121
    interface: integer; avahi.IF_UNSPEC or an interface index.
121
122
               Used to optionally bind to the specified interface.
122
 
    name: string; Example: u'Mandos'
123
 
    type: string; Example: u'_mandos._tcp'.
 
123
    name: string; Example: 'Mandos'
 
124
    type: string; Example: '_mandos._tcp'.
124
125
                  See <http://www.dns-sd.org/ServiceTypes.html>
125
126
    port: integer; what port to announce
126
127
    TXT: list of strings; TXT record for the service
135
136
    """
136
137
    def __init__(self, interface = avahi.IF_UNSPEC, name = None,
137
138
                 servicetype = None, port = None, TXT = None,
138
 
                 domain = u"", host = u"", max_renames = 32768,
 
139
                 domain = "", host = "", max_renames = 32768,
139
140
                 protocol = avahi.PROTO_UNSPEC, bus = None):
140
141
        self.interface = interface
141
142
        self.name = name
153
154
    def rename(self):
154
155
        """Derived from the Avahi example code"""
155
156
        if self.rename_count >= self.max_renames:
156
 
            logger.critical(u"No suitable Zeroconf service name found"
157
 
                            u" after %i retries, exiting.",
 
157
            logger.critical("No suitable Zeroconf service name found"
 
158
                            " after %i retries, exiting.",
158
159
                            self.rename_count)
159
 
            raise AvahiServiceError(u"Too many renames")
 
160
            raise AvahiServiceError("Too many renames")
160
161
        self.name = unicode(self.server.GetAlternativeServiceName(self.name))
161
 
        logger.info(u"Changing Zeroconf service name to %r ...",
 
162
        logger.info("Changing Zeroconf service name to %r ...",
162
163
                    self.name)
163
164
        syslogger.setFormatter(logging.Formatter
164
 
                               (u'Mandos (%s) [%%(process)d]:'
165
 
                                u' %%(levelname)s: %%(message)s'
 
165
                               ('Mandos (%s) [%%(process)d]:'
 
166
                                ' %%(levelname)s: %%(message)s'
166
167
                                % self.name))
167
168
        self.remove()
168
 
        self.add()
 
169
        try:
 
170
            self.add()
 
171
        except dbus.exceptions.DBusException, error:
 
172
            logger.critical("DBusException: %s", error)
 
173
            self.cleanup()
 
174
            os._exit(1)
169
175
        self.rename_count += 1
170
176
    def remove(self):
171
177
        """Derived from the Avahi example code"""
181
187
            self.group.connect_to_signal('StateChanged',
182
188
                                         self
183
189
                                         .entry_group_state_changed)
184
 
        logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
 
190
        logger.debug("Adding Zeroconf service '%s' of type '%s' ...",
185
191
                     self.name, self.type)
186
192
        self.group.AddService(
187
193
            self.interface,
194
200
        self.group.Commit()
195
201
    def entry_group_state_changed(self, state, error):
196
202
        """Derived from the Avahi example code"""
197
 
        logger.debug(u"Avahi entry group state change: %i", state)
 
203
        logger.debug("Avahi entry group state change: %i", state)
198
204
        
199
205
        if state == avahi.ENTRY_GROUP_ESTABLISHED:
200
 
            logger.debug(u"Zeroconf service established.")
 
206
            logger.debug("Zeroconf service established.")
201
207
        elif state == avahi.ENTRY_GROUP_COLLISION:
202
 
            logger.warning(u"Zeroconf service name collision.")
 
208
            logger.info("Zeroconf service name collision.")
203
209
            self.rename()
204
210
        elif state == avahi.ENTRY_GROUP_FAILURE:
205
 
            logger.critical(u"Avahi: Error in group state changed %s",
 
211
            logger.critical("Avahi: Error in group state changed %s",
206
212
                            unicode(error))
207
 
            raise AvahiGroupError(u"State changed: %s"
 
213
            raise AvahiGroupError("State changed: %s"
208
214
                                  % unicode(error))
209
215
    def cleanup(self):
210
216
        """Derived from the Avahi example code"""
213
219
            self.group = None
214
220
    def server_state_changed(self, state):
215
221
        """Derived from the Avahi example code"""
216
 
        logger.debug(u"Avahi server state change: %i", state)
 
222
        logger.debug("Avahi server state change: %i", state)
217
223
        if state == avahi.SERVER_COLLISION:
218
 
            logger.error(u"Zeroconf server name collision")
 
224
            logger.error("Zeroconf server name collision")
219
225
            self.remove()
220
226
        elif state == avahi.SERVER_RUNNING:
221
227
            self.add()
226
232
                self.bus.get_object(avahi.DBUS_NAME,
227
233
                                    avahi.DBUS_PATH_SERVER),
228
234
                avahi.DBUS_INTERFACE_SERVER)
229
 
        self.server.connect_to_signal(u"StateChanged",
 
235
        self.server.connect_to_signal("StateChanged",
230
236
                                 self.server_state_changed)
231
237
        self.server_state_changed(self.server.GetState())
232
238
 
235
241
    """A representation of a client host served by this server.
236
242
    
237
243
    Attributes:
238
 
    name:       string; from the config file, used in log messages and
239
 
                        D-Bus identifiers
 
244
    _approved:   bool(); 'None' if not yet approved/disapproved
 
245
    approval_delay: datetime.timedelta(); Time to wait for approval
 
246
    approval_duration: datetime.timedelta(); Duration of one approval
 
247
    checker:    subprocess.Popen(); a running checker process used
 
248
                                    to see if the client lives.
 
249
                                    'None' if no process is running.
 
250
    checker_callback_tag: a gobject event source tag, or None
 
251
    checker_command: string; External command which is run to check
 
252
                     if client lives.  %() expansions are done at
 
253
                     runtime with vars(self) as dict, so that for
 
254
                     instance %(name)s can be used in the command.
 
255
    checker_initiator_tag: a gobject event source tag, or None
 
256
    created:    datetime.datetime(); (UTC) object creation
 
257
    current_checker_command: string; current running checker_command
 
258
    disable_hook:  If set, called by disable() as disable_hook(self)
 
259
    disable_initiator_tag: a gobject event source tag, or None
 
260
    enabled:    bool()
240
261
    fingerprint: string (40 or 32 hexadecimal digits); used to
241
262
                 uniquely identify the client
242
 
    secret:     bytestring; sent verbatim (over TLS) to client
243
263
    host:       string; available for use by the checker command
244
 
    created:    datetime.datetime(); (UTC) object creation
 
264
    interval:   datetime.timedelta(); How often to start a new checker
 
265
    last_approval_request: datetime.datetime(); (UTC) or None
 
266
    last_checked_ok: datetime.datetime(); (UTC) or None
245
267
    last_enabled: datetime.datetime(); (UTC)
246
 
    enabled:    bool()
247
 
    last_checked_ok: datetime.datetime(); (UTC) or None
 
268
    name:       string; from the config file, used in log messages and
 
269
                        D-Bus identifiers
 
270
    secret:     bytestring; sent verbatim (over TLS) to client
248
271
    timeout:    datetime.timedelta(); How long from last_checked_ok
249
272
                                      until this client is disabled
250
 
    interval:   datetime.timedelta(); How often to start a new checker
251
 
    disable_hook:  If set, called by disable() as disable_hook(self)
252
 
    checker:    subprocess.Popen(); a running checker process used
253
 
                                    to see if the client lives.
254
 
                                    'None' if no process is running.
255
 
    checker_initiator_tag: a gobject event source tag, or None
256
 
    disable_initiator_tag: - '' -
257
 
    checker_callback_tag:  - '' -
258
 
    checker_command: string; External command which is run to check if
259
 
                     client lives.  %() expansions are done at
260
 
                     runtime with vars(self) as dict, so that for
261
 
                     instance %(name)s can be used in the command.
262
 
    current_checker_command: string; current running checker_command
263
 
    approved_delay: datetime.timedelta(); Time to wait for approval
264
 
    _approved:   bool(); 'None' if not yet approved/disapproved
265
 
    approved_duration: datetime.timedelta(); Duration of one approval
 
273
    runtime_expansions: Allowed attributes for runtime expansion.
266
274
    """
267
275
    
 
276
    runtime_expansions = ("approval_delay", "approval_duration",
 
277
                          "created", "enabled", "fingerprint",
 
278
                          "host", "interval", "last_checked_ok",
 
279
                          "last_enabled", "name", "timeout")
 
280
    
268
281
    @staticmethod
269
282
    def _timedelta_to_milliseconds(td):
270
283
        "Convert a datetime.timedelta() to milliseconds"
280
293
        "Return the 'interval' attribute in milliseconds"
281
294
        return self._timedelta_to_milliseconds(self.interval)
282
295
 
283
 
    def approved_delay_milliseconds(self):
284
 
        return self._timedelta_to_milliseconds(self.approved_delay)
 
296
    def approval_delay_milliseconds(self):
 
297
        return self._timedelta_to_milliseconds(self.approval_delay)
285
298
    
286
299
    def __init__(self, name = None, disable_hook=None, config=None):
287
300
        """Note: the 'checker' key in 'config' sets the
290
303
        self.name = name
291
304
        if config is None:
292
305
            config = {}
293
 
        logger.debug(u"Creating client %r", self.name)
 
306
        logger.debug("Creating client %r", self.name)
294
307
        # Uppercase and remove spaces from fingerprint for later
295
308
        # comparison purposes with return value from the fingerprint()
296
309
        # function
297
 
        self.fingerprint = (config[u"fingerprint"].upper()
298
 
                            .replace(u" ", u""))
299
 
        logger.debug(u"  Fingerprint: %s", self.fingerprint)
300
 
        if u"secret" in config:
301
 
            self.secret = config[u"secret"].decode(u"base64")
302
 
        elif u"secfile" in config:
 
310
        self.fingerprint = (config["fingerprint"].upper()
 
311
                            .replace(" ", ""))
 
312
        logger.debug("  Fingerprint: %s", self.fingerprint)
 
313
        if "secret" in config:
 
314
            self.secret = config["secret"].decode("base64")
 
315
        elif "secfile" in config:
303
316
            with open(os.path.expanduser(os.path.expandvars
304
 
                                         (config[u"secfile"])),
 
317
                                         (config["secfile"])),
305
318
                      "rb") as secfile:
306
319
                self.secret = secfile.read()
307
320
        else:
308
 
            raise TypeError(u"No secret or secfile for client %s"
 
321
            raise TypeError("No secret or secfile for client %s"
309
322
                            % self.name)
310
 
        self.host = config.get(u"host", u"")
 
323
        self.host = config.get("host", "")
311
324
        self.created = datetime.datetime.utcnow()
312
325
        self.enabled = False
 
326
        self.last_approval_request = None
313
327
        self.last_enabled = None
314
328
        self.last_checked_ok = None
315
 
        self.timeout = string_to_delta(config[u"timeout"])
316
 
        self.interval = string_to_delta(config[u"interval"])
 
329
        self.timeout = string_to_delta(config["timeout"])
 
330
        self.interval = string_to_delta(config["interval"])
317
331
        self.disable_hook = disable_hook
318
332
        self.checker = None
319
333
        self.checker_initiator_tag = None
320
334
        self.disable_initiator_tag = None
321
335
        self.checker_callback_tag = None
322
 
        self.checker_command = config[u"checker"]
 
336
        self.checker_command = config["checker"]
323
337
        self.current_checker_command = None
324
338
        self.last_connect = None
325
339
        self._approved = None
326
 
        self.approved_by_default = config.get(u"approved_by_default",
 
340
        self.approved_by_default = config.get("approved_by_default",
327
341
                                              True)
328
342
        self.approvals_pending = 0
329
 
        self.approved_delay = string_to_delta(
330
 
            config[u"approved_delay"])
331
 
        self.approved_duration = string_to_delta(
332
 
            config[u"approved_duration"])
 
343
        self.approval_delay = string_to_delta(
 
344
            config["approval_delay"])
 
345
        self.approval_duration = string_to_delta(
 
346
            config["approval_duration"])
333
347
        self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
334
348
    
335
349
    def send_changedstate(self):
339
353
        
340
354
    def enable(self):
341
355
        """Start this client's checker and timeout hooks"""
342
 
        if getattr(self, u"enabled", False):
 
356
        if getattr(self, "enabled", False):
343
357
            # Already enabled
344
358
            return
345
359
        self.send_changedstate()
364
378
        if not quiet:
365
379
            self.send_changedstate()
366
380
        if not quiet:
367
 
            logger.info(u"Disabling client %s", self.name)
368
 
        if getattr(self, u"disable_initiator_tag", False):
 
381
            logger.info("Disabling client %s", self.name)
 
382
        if getattr(self, "disable_initiator_tag", False):
369
383
            gobject.source_remove(self.disable_initiator_tag)
370
384
            self.disable_initiator_tag = None
371
 
        if getattr(self, u"checker_initiator_tag", False):
 
385
        if getattr(self, "checker_initiator_tag", False):
372
386
            gobject.source_remove(self.checker_initiator_tag)
373
387
            self.checker_initiator_tag = None
374
388
        self.stop_checker()
389
403
        if os.WIFEXITED(condition):
390
404
            exitstatus = os.WEXITSTATUS(condition)
391
405
            if exitstatus == 0:
392
 
                logger.info(u"Checker for %(name)s succeeded",
 
406
                logger.info("Checker for %(name)s succeeded",
393
407
                            vars(self))
394
408
                self.checked_ok()
395
409
            else:
396
 
                logger.info(u"Checker for %(name)s failed",
 
410
                logger.info("Checker for %(name)s failed",
397
411
                            vars(self))
398
412
        else:
399
 
            logger.warning(u"Checker for %(name)s crashed?",
 
413
            logger.warning("Checker for %(name)s crashed?",
400
414
                           vars(self))
401
415
    
402
416
    def checked_ok(self):
411
425
                                      (self.timeout_milliseconds(),
412
426
                                       self.disable))
413
427
    
 
428
    def need_approval(self):
 
429
        self.last_approval_request = datetime.datetime.utcnow()
 
430
    
414
431
    def start_checker(self):
415
432
        """Start a new checker subprocess if one is not running.
416
433
        
434
451
                raise error
435
452
        else:
436
453
            if pid:
437
 
                logger.warning(u"Checker was a zombie")
 
454
                logger.warning("Checker was a zombie")
438
455
                gobject.source_remove(self.checker_callback_tag)
439
456
                self.checker_callback(pid, status,
440
457
                                      self.current_checker_command)
445
462
                command = self.checker_command % self.host
446
463
            except TypeError:
447
464
                # Escape attributes for the shell
448
 
                escaped_attrs = dict((key,
449
 
                                      re.escape(unicode(str(val),
450
 
                                                        errors=
451
 
                                                        u'replace')))
452
 
                                     for key, val in
453
 
                                     vars(self).iteritems())
 
465
                escaped_attrs = dict(
 
466
                    (attr,
 
467
                     re.escape(unicode(str(getattr(self, attr, "")),
 
468
                                       errors=
 
469
                                       'replace')))
 
470
                    for attr in
 
471
                    self.runtime_expansions)
 
472
 
454
473
                try:
455
474
                    command = self.checker_command % escaped_attrs
456
475
                except TypeError, error:
457
 
                    logger.error(u'Could not format string "%s":'
458
 
                                 u' %s', self.checker_command, error)
 
476
                    logger.error('Could not format string "%s":'
 
477
                                 ' %s', self.checker_command, error)
459
478
                    return True # Try again later
460
479
            self.current_checker_command = command
461
480
            try:
462
 
                logger.info(u"Starting checker %r for %s",
 
481
                logger.info("Starting checker %r for %s",
463
482
                            command, self.name)
464
483
                # We don't need to redirect stdout and stderr, since
465
484
                # in normal mode, that is already done by daemon(),
467
486
                # always replaced by /dev/null.)
468
487
                self.checker = subprocess.Popen(command,
469
488
                                                close_fds=True,
470
 
                                                shell=True, cwd=u"/")
 
489
                                                shell=True, cwd="/")
471
490
                self.checker_callback_tag = (gobject.child_watch_add
472
491
                                             (self.checker.pid,
473
492
                                              self.checker_callback,
479
498
                    gobject.source_remove(self.checker_callback_tag)
480
499
                    self.checker_callback(pid, status, command)
481
500
            except OSError, error:
482
 
                logger.error(u"Failed to start subprocess: %s",
 
501
                logger.error("Failed to start subprocess: %s",
483
502
                             error)
484
503
        # Re-run this periodically if run by gobject.timeout_add
485
504
        return True
489
508
        if self.checker_callback_tag:
490
509
            gobject.source_remove(self.checker_callback_tag)
491
510
            self.checker_callback_tag = None
492
 
        if getattr(self, u"checker", None) is None:
 
511
        if getattr(self, "checker", None) is None:
493
512
            return
494
 
        logger.debug(u"Stopping checker for %(name)s", vars(self))
 
513
        logger.debug("Stopping checker for %(name)s", vars(self))
495
514
        try:
496
515
            os.kill(self.checker.pid, signal.SIGTERM)
497
516
            #time.sleep(0.5)
502
521
                raise
503
522
        self.checker = None
504
523
 
505
 
def dbus_service_property(dbus_interface, signature=u"v",
506
 
                          access=u"readwrite", byte_arrays=False):
 
524
def dbus_service_property(dbus_interface, signature="v",
 
525
                          access="readwrite", byte_arrays=False):
507
526
    """Decorators for marking methods of a DBusObjectWithProperties to
508
527
    become properties on the D-Bus.
509
528
    
516
535
    """
517
536
    # Encoding deeply encoded byte arrays is not supported yet by the
518
537
    # "Set" method, so we fail early here:
519
 
    if byte_arrays and signature != u"ay":
520
 
        raise ValueError(u"Byte arrays not supported for non-'ay'"
521
 
                         u" signature %r" % signature)
 
538
    if byte_arrays and signature != "ay":
 
539
        raise ValueError("Byte arrays not supported for non-'ay'"
 
540
                         " signature %r" % signature)
522
541
    def decorator(func):
523
542
        func._dbus_is_property = True
524
543
        func._dbus_interface = dbus_interface
525
544
        func._dbus_signature = signature
526
545
        func._dbus_access = access
527
546
        func._dbus_name = func.__name__
528
 
        if func._dbus_name.endswith(u"_dbus_property"):
 
547
        if func._dbus_name.endswith("_dbus_property"):
529
548
            func._dbus_name = func._dbus_name[:-14]
530
 
        func._dbus_get_args_options = {u'byte_arrays': byte_arrays }
 
549
        func._dbus_get_args_options = {'byte_arrays': byte_arrays }
531
550
        return func
532
551
    return decorator
533
552
 
561
580
    
562
581
    @staticmethod
563
582
    def _is_dbus_property(obj):
564
 
        return getattr(obj, u"_dbus_is_property", False)
 
583
        return getattr(obj, "_dbus_is_property", False)
565
584
    
566
585
    def _get_all_dbus_properties(self):
567
586
        """Returns a generator of (name, attribute) pairs
575
594
        property with the specified name and interface.
576
595
        """
577
596
        for name in (property_name,
578
 
                     property_name + u"_dbus_property"):
 
597
                     property_name + "_dbus_property"):
579
598
            prop = getattr(self, name, None)
580
599
            if (prop is None
581
600
                or not self._is_dbus_property(prop)
585
604
                continue
586
605
            return prop
587
606
        # No such property
588
 
        raise DBusPropertyNotFound(self.dbus_object_path + u":"
589
 
                                   + interface_name + u"."
 
607
        raise DBusPropertyNotFound(self.dbus_object_path + ":"
 
608
                                   + interface_name + "."
590
609
                                   + property_name)
591
610
    
592
 
    @dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ss",
593
 
                         out_signature=u"v")
 
611
    @dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
 
612
                         out_signature="v")
594
613
    def Get(self, interface_name, property_name):
595
614
        """Standard D-Bus property Get() method, see D-Bus standard.
596
615
        """
597
616
        prop = self._get_dbus_property(interface_name, property_name)
598
 
        if prop._dbus_access == u"write":
 
617
        if prop._dbus_access == "write":
599
618
            raise DBusPropertyAccessException(property_name)
600
619
        value = prop()
601
 
        if not hasattr(value, u"variant_level"):
 
620
        if not hasattr(value, "variant_level"):
602
621
            return value
603
622
        return type(value)(value, variant_level=value.variant_level+1)
604
623
    
605
 
    @dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ssv")
 
624
    @dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ssv")
606
625
    def Set(self, interface_name, property_name, value):
607
626
        """Standard D-Bus property Set() method, see D-Bus standard.
608
627
        """
609
628
        prop = self._get_dbus_property(interface_name, property_name)
610
 
        if prop._dbus_access == u"read":
 
629
        if prop._dbus_access == "read":
611
630
            raise DBusPropertyAccessException(property_name)
612
 
        if prop._dbus_get_args_options[u"byte_arrays"]:
 
631
        if prop._dbus_get_args_options["byte_arrays"]:
613
632
            # The byte_arrays option is not supported yet on
614
633
            # signatures other than "ay".
615
 
            if prop._dbus_signature != u"ay":
 
634
            if prop._dbus_signature != "ay":
616
635
                raise ValueError
617
636
            value = dbus.ByteArray(''.join(unichr(byte)
618
637
                                           for byte in value))
619
638
        prop(value)
620
639
    
621
 
    @dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"s",
622
 
                         out_signature=u"a{sv}")
 
640
    @dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="s",
 
641
                         out_signature="a{sv}")
623
642
    def GetAll(self, interface_name):
624
643
        """Standard D-Bus property GetAll() method, see D-Bus
625
644
        standard.
633
652
                # Interface non-empty but did not match
634
653
                continue
635
654
            # Ignore write-only properties
636
 
            if prop._dbus_access == u"write":
 
655
            if prop._dbus_access == "write":
637
656
                continue
638
657
            value = prop()
639
 
            if not hasattr(value, u"variant_level"):
 
658
            if not hasattr(value, "variant_level"):
640
659
                all[name] = value
641
660
                continue
642
661
            all[name] = type(value)(value, variant_level=
643
662
                                    value.variant_level+1)
644
 
        return dbus.Dictionary(all, signature=u"sv")
 
663
        return dbus.Dictionary(all, signature="sv")
645
664
    
646
665
    @dbus.service.method(dbus.INTROSPECTABLE_IFACE,
647
 
                         out_signature=u"s",
 
666
                         out_signature="s",
648
667
                         path_keyword='object_path',
649
668
                         connection_keyword='connection')
650
669
    def Introspect(self, object_path, connection):
655
674
        try:
656
675
            document = xml.dom.minidom.parseString(xmlstring)
657
676
            def make_tag(document, name, prop):
658
 
                e = document.createElement(u"property")
659
 
                e.setAttribute(u"name", name)
660
 
                e.setAttribute(u"type", prop._dbus_signature)
661
 
                e.setAttribute(u"access", prop._dbus_access)
 
677
                e = document.createElement("property")
 
678
                e.setAttribute("name", name)
 
679
                e.setAttribute("type", prop._dbus_signature)
 
680
                e.setAttribute("access", prop._dbus_access)
662
681
                return e
663
 
            for if_tag in document.getElementsByTagName(u"interface"):
 
682
            for if_tag in document.getElementsByTagName("interface"):
664
683
                for tag in (make_tag(document, name, prop)
665
684
                            for name, prop
666
685
                            in self._get_all_dbus_properties()
667
686
                            if prop._dbus_interface
668
 
                            == if_tag.getAttribute(u"name")):
 
687
                            == if_tag.getAttribute("name")):
669
688
                    if_tag.appendChild(tag)
670
689
                # Add the names to the return values for the
671
690
                # "org.freedesktop.DBus.Properties" methods
672
 
                if (if_tag.getAttribute(u"name")
673
 
                    == u"org.freedesktop.DBus.Properties"):
674
 
                    for cn in if_tag.getElementsByTagName(u"method"):
675
 
                        if cn.getAttribute(u"name") == u"Get":
676
 
                            for arg in cn.getElementsByTagName(u"arg"):
677
 
                                if (arg.getAttribute(u"direction")
678
 
                                    == u"out"):
679
 
                                    arg.setAttribute(u"name", u"value")
680
 
                        elif cn.getAttribute(u"name") == u"GetAll":
681
 
                            for arg in cn.getElementsByTagName(u"arg"):
682
 
                                if (arg.getAttribute(u"direction")
683
 
                                    == u"out"):
684
 
                                    arg.setAttribute(u"name", u"props")
685
 
            xmlstring = document.toxml(u"utf-8")
 
691
                if (if_tag.getAttribute("name")
 
692
                    == "org.freedesktop.DBus.Properties"):
 
693
                    for cn in if_tag.getElementsByTagName("method"):
 
694
                        if cn.getAttribute("name") == "Get":
 
695
                            for arg in cn.getElementsByTagName("arg"):
 
696
                                if (arg.getAttribute("direction")
 
697
                                    == "out"):
 
698
                                    arg.setAttribute("name", "value")
 
699
                        elif cn.getAttribute("name") == "GetAll":
 
700
                            for arg in cn.getElementsByTagName("arg"):
 
701
                                if (arg.getAttribute("direction")
 
702
                                    == "out"):
 
703
                                    arg.setAttribute("name", "props")
 
704
            xmlstring = document.toxml("utf-8")
686
705
            document.unlink()
687
706
        except (AttributeError, xml.dom.DOMException,
688
707
                xml.parsers.expat.ExpatError), error:
689
 
            logger.error(u"Failed to override Introspection method",
 
708
            logger.error("Failed to override Introspection method",
690
709
                         error)
691
710
        return xmlstring
692
711
 
698
717
    dbus_object_path: dbus.ObjectPath
699
718
    bus: dbus.SystemBus()
700
719
    """
 
720
    
 
721
    runtime_expansions = (Client.runtime_expansions
 
722
                          + ("dbus_object_path",))
 
723
    
701
724
    # dbus.service.Object doesn't use super(), so we can't either.
702
725
    
703
726
    def __init__(self, bus = None, *args, **kwargs):
706
729
        Client.__init__(self, *args, **kwargs)
707
730
        # Only now, when this client is initialized, can it show up on
708
731
        # the D-Bus
 
732
        client_object_name = unicode(self.name).translate(
 
733
            {ord("."): ord("_"),
 
734
             ord("-"): ord("_")})
709
735
        self.dbus_object_path = (dbus.ObjectPath
710
 
                                 (u"/clients/"
711
 
                                  + self.name.replace(u".", u"_")))
 
736
                                 ("/clients/" + client_object_name))
712
737
        DBusObjectWithProperties.__init__(self, self.bus,
713
738
                                          self.dbus_object_path)
714
 
 
 
739
        
715
740
    def _get_approvals_pending(self):
716
741
        return self._approvals_pending
717
742
    def _set_approvals_pending(self, value):
721
746
        if (hasattr(self, "dbus_object_path")
722
747
            and bval is not bool(old_value)):
723
748
            dbus_bool = dbus.Boolean(bval, variant_level=1)
724
 
            self.PropertyChanged(dbus.String(u"approved_pending"),
 
749
            self.PropertyChanged(dbus.String("ApprovalPending"),
725
750
                                 dbus_bool)
726
751
 
727
752
    approvals_pending = property(_get_approvals_pending,
735
760
                           variant_level=variant_level)
736
761
    
737
762
    def enable(self):
738
 
        oldstate = getattr(self, u"enabled", False)
 
763
        oldstate = getattr(self, "enabled", False)
739
764
        r = Client.enable(self)
740
765
        if oldstate != self.enabled:
741
766
            # Emit D-Bus signals
742
 
            self.PropertyChanged(dbus.String(u"enabled"),
 
767
            self.PropertyChanged(dbus.String("Enabled"),
743
768
                                 dbus.Boolean(True, variant_level=1))
744
769
            self.PropertyChanged(
745
 
                dbus.String(u"last_enabled"),
 
770
                dbus.String("LastEnabled"),
746
771
                self._datetime_to_dbus(self.last_enabled,
747
772
                                       variant_level=1))
748
773
        return r
749
774
    
750
775
    def disable(self, quiet = False):
751
 
        oldstate = getattr(self, u"enabled", False)
 
776
        oldstate = getattr(self, "enabled", False)
752
777
        r = Client.disable(self, quiet=quiet)
753
778
        if not quiet and oldstate != self.enabled:
754
779
            # Emit D-Bus signal
755
 
            self.PropertyChanged(dbus.String(u"enabled"),
 
780
            self.PropertyChanged(dbus.String("Enabled"),
756
781
                                 dbus.Boolean(False, variant_level=1))
757
782
        return r
758
783
    
761
786
            self.remove_from_connection()
762
787
        except LookupError:
763
788
            pass
764
 
        if hasattr(DBusObjectWithProperties, u"__del__"):
 
789
        if hasattr(DBusObjectWithProperties, "__del__"):
765
790
            DBusObjectWithProperties.__del__(self, *args, **kwargs)
766
791
        Client.__del__(self, *args, **kwargs)
767
792
    
770
795
        self.checker_callback_tag = None
771
796
        self.checker = None
772
797
        # Emit D-Bus signal
773
 
        self.PropertyChanged(dbus.String(u"checker_running"),
 
798
        self.PropertyChanged(dbus.String("CheckerRunning"),
774
799
                             dbus.Boolean(False, variant_level=1))
775
800
        if os.WIFEXITED(condition):
776
801
            exitstatus = os.WEXITSTATUS(condition)
791
816
        r = Client.checked_ok(self, *args, **kwargs)
792
817
        # Emit D-Bus signal
793
818
        self.PropertyChanged(
794
 
            dbus.String(u"last_checked_ok"),
 
819
            dbus.String("LastCheckedOK"),
795
820
            (self._datetime_to_dbus(self.last_checked_ok,
796
821
                                    variant_level=1)))
797
822
        return r
798
823
    
 
824
    def need_approval(self, *args, **kwargs):
 
825
        r = Client.need_approval(self, *args, **kwargs)
 
826
        # Emit D-Bus signal
 
827
        self.PropertyChanged(
 
828
            dbus.String("LastApprovalRequest"),
 
829
            (self._datetime_to_dbus(self.last_approval_request,
 
830
                                    variant_level=1)))
 
831
        return r
 
832
    
799
833
    def start_checker(self, *args, **kwargs):
800
834
        old_checker = self.checker
801
835
        if self.checker is not None:
809
843
            # Emit D-Bus signal
810
844
            self.CheckerStarted(self.current_checker_command)
811
845
            self.PropertyChanged(
812
 
                dbus.String(u"checker_running"),
 
846
                dbus.String("CheckerRunning"),
813
847
                dbus.Boolean(True, variant_level=1))
814
848
        return r
815
849
    
816
850
    def stop_checker(self, *args, **kwargs):
817
 
        old_checker = getattr(self, u"checker", None)
 
851
        old_checker = getattr(self, "checker", None)
818
852
        r = Client.stop_checker(self, *args, **kwargs)
819
853
        if (old_checker is not None
820
 
            and getattr(self, u"checker", None) is None):
821
 
            self.PropertyChanged(dbus.String(u"checker_running"),
 
854
            and getattr(self, "checker", None) is None):
 
855
            self.PropertyChanged(dbus.String("CheckerRunning"),
822
856
                                 dbus.Boolean(False, variant_level=1))
823
857
        return r
824
858
 
829
863
    def approve(self, value=True):
830
864
        self.send_changedstate()
831
865
        self._approved = value
832
 
        gobject.timeout_add(self._timedelta_to_milliseconds(self.approved_duration),
 
866
        gobject.timeout_add(self._timedelta_to_milliseconds
 
867
                            (self.approval_duration),
833
868
                            self._reset_approved)
834
869
    
835
870
    
836
871
    ## D-Bus methods, signals & properties
837
 
    _interface = u"se.bsnet.fukt.Mandos.Client"
 
872
    _interface = "se.bsnet.fukt.Mandos.Client"
838
873
    
839
874
    ## Signals
840
875
    
841
876
    # CheckerCompleted - signal
842
 
    @dbus.service.signal(_interface, signature=u"nxs")
 
877
    @dbus.service.signal(_interface, signature="nxs")
843
878
    def CheckerCompleted(self, exitcode, waitstatus, command):
844
879
        "D-Bus signal"
845
880
        pass
846
881
    
847
882
    # CheckerStarted - signal
848
 
    @dbus.service.signal(_interface, signature=u"s")
 
883
    @dbus.service.signal(_interface, signature="s")
849
884
    def CheckerStarted(self, command):
850
885
        "D-Bus signal"
851
886
        pass
852
887
    
853
888
    # PropertyChanged - signal
854
 
    @dbus.service.signal(_interface, signature=u"sv")
 
889
    @dbus.service.signal(_interface, signature="sv")
855
890
    def PropertyChanged(self, property, value):
856
891
        "D-Bus signal"
857
892
        pass
866
901
        pass
867
902
    
868
903
    # Rejected - signal
869
 
    @dbus.service.signal(_interface, signature=u"s")
 
904
    @dbus.service.signal(_interface, signature="s")
870
905
    def Rejected(self, reason):
871
906
        "D-Bus signal"
872
907
        pass
873
908
    
874
909
    # NeedApproval - signal
875
 
    @dbus.service.signal(_interface, signature=u"db")
 
910
    @dbus.service.signal(_interface, signature="tb")
876
911
    def NeedApproval(self, timeout, default):
877
912
        "D-Bus signal"
878
 
        pass
 
913
        return self.need_approval()
879
914
    
880
915
    ## Methods
881
 
 
 
916
    
882
917
    # Approve - method
883
 
    @dbus.service.method(_interface, in_signature=u"b")
 
918
    @dbus.service.method(_interface, in_signature="b")
884
919
    def Approve(self, value):
885
920
        self.approve(value)
886
 
 
 
921
    
887
922
    # CheckedOK - method
888
923
    @dbus.service.method(_interface)
889
924
    def CheckedOK(self):
914
949
    
915
950
    ## Properties
916
951
    
917
 
    # approved_pending - property
918
 
    @dbus_service_property(_interface, signature=u"b", access=u"read")
919
 
    def approved_pending_dbus_property(self):
 
952
    # ApprovalPending - property
 
953
    @dbus_service_property(_interface, signature="b", access="read")
 
954
    def ApprovalPending_dbus_property(self):
920
955
        return dbus.Boolean(bool(self.approvals_pending))
921
956
    
922
 
    # approved_by_default - property
923
 
    @dbus_service_property(_interface, signature=u"b",
924
 
                           access=u"readwrite")
925
 
    def approved_by_default_dbus_property(self):
926
 
        return dbus.Boolean(self.approved_by_default)
927
 
    
928
 
    # approved_delay - property
929
 
    @dbus_service_property(_interface, signature=u"t",
930
 
                           access=u"readwrite")
931
 
    def approved_delay_dbus_property(self):
932
 
        return dbus.UInt64(self.approved_delay_milliseconds())
933
 
    
934
 
    # approved_duration - property
935
 
    @dbus_service_property(_interface, signature=u"t",
936
 
                           access=u"readwrite")
937
 
    def approved_duration_dbus_property(self):
938
 
        return dbus.UInt64(self._timedelta_to_milliseconds(
939
 
                self.approved_duration))
940
 
    
941
 
    # name - property
942
 
    @dbus_service_property(_interface, signature=u"s", access=u"read")
943
 
    def name_dbus_property(self):
 
957
    # ApprovedByDefault - property
 
958
    @dbus_service_property(_interface, signature="b",
 
959
                           access="readwrite")
 
960
    def ApprovedByDefault_dbus_property(self, value=None):
 
961
        if value is None:       # get
 
962
            return dbus.Boolean(self.approved_by_default)
 
963
        self.approved_by_default = bool(value)
 
964
        # Emit D-Bus signal
 
965
        self.PropertyChanged(dbus.String("ApprovedByDefault"),
 
966
                             dbus.Boolean(value, variant_level=1))
 
967
    
 
968
    # ApprovalDelay - property
 
969
    @dbus_service_property(_interface, signature="t",
 
970
                           access="readwrite")
 
971
    def ApprovalDelay_dbus_property(self, value=None):
 
972
        if value is None:       # get
 
973
            return dbus.UInt64(self.approval_delay_milliseconds())
 
974
        self.approval_delay = datetime.timedelta(0, 0, 0, value)
 
975
        # Emit D-Bus signal
 
976
        self.PropertyChanged(dbus.String("ApprovalDelay"),
 
977
                             dbus.UInt64(value, variant_level=1))
 
978
    
 
979
    # ApprovalDuration - property
 
980
    @dbus_service_property(_interface, signature="t",
 
981
                           access="readwrite")
 
982
    def ApprovalDuration_dbus_property(self, value=None):
 
983
        if value is None:       # get
 
984
            return dbus.UInt64(self._timedelta_to_milliseconds(
 
985
                    self.approval_duration))
 
986
        self.approval_duration = datetime.timedelta(0, 0, 0, value)
 
987
        # Emit D-Bus signal
 
988
        self.PropertyChanged(dbus.String("ApprovalDuration"),
 
989
                             dbus.UInt64(value, variant_level=1))
 
990
    
 
991
    # Name - property
 
992
    @dbus_service_property(_interface, signature="s", access="read")
 
993
    def Name_dbus_property(self):
944
994
        return dbus.String(self.name)
945
995
    
946
 
    # fingerprint - property
947
 
    @dbus_service_property(_interface, signature=u"s", access=u"read")
948
 
    def fingerprint_dbus_property(self):
 
996
    # Fingerprint - property
 
997
    @dbus_service_property(_interface, signature="s", access="read")
 
998
    def Fingerprint_dbus_property(self):
949
999
        return dbus.String(self.fingerprint)
950
1000
    
951
 
    # host - property
952
 
    @dbus_service_property(_interface, signature=u"s",
953
 
                           access=u"readwrite")
954
 
    def host_dbus_property(self, value=None):
 
1001
    # Host - property
 
1002
    @dbus_service_property(_interface, signature="s",
 
1003
                           access="readwrite")
 
1004
    def Host_dbus_property(self, value=None):
955
1005
        if value is None:       # get
956
1006
            return dbus.String(self.host)
957
1007
        self.host = value
958
1008
        # Emit D-Bus signal
959
 
        self.PropertyChanged(dbus.String(u"host"),
 
1009
        self.PropertyChanged(dbus.String("Host"),
960
1010
                             dbus.String(value, variant_level=1))
961
1011
    
962
 
    # created - property
963
 
    @dbus_service_property(_interface, signature=u"s", access=u"read")
964
 
    def created_dbus_property(self):
 
1012
    # Created - property
 
1013
    @dbus_service_property(_interface, signature="s", access="read")
 
1014
    def Created_dbus_property(self):
965
1015
        return dbus.String(self._datetime_to_dbus(self.created))
966
1016
    
967
 
    # last_enabled - property
968
 
    @dbus_service_property(_interface, signature=u"s", access=u"read")
969
 
    def last_enabled_dbus_property(self):
 
1017
    # LastEnabled - property
 
1018
    @dbus_service_property(_interface, signature="s", access="read")
 
1019
    def LastEnabled_dbus_property(self):
970
1020
        if self.last_enabled is None:
971
 
            return dbus.String(u"")
 
1021
            return dbus.String("")
972
1022
        return dbus.String(self._datetime_to_dbus(self.last_enabled))
973
1023
    
974
 
    # enabled - property
975
 
    @dbus_service_property(_interface, signature=u"b",
976
 
                           access=u"readwrite")
977
 
    def enabled_dbus_property(self, value=None):
 
1024
    # Enabled - property
 
1025
    @dbus_service_property(_interface, signature="b",
 
1026
                           access="readwrite")
 
1027
    def Enabled_dbus_property(self, value=None):
978
1028
        if value is None:       # get
979
1029
            return dbus.Boolean(self.enabled)
980
1030
        if value:
982
1032
        else:
983
1033
            self.disable()
984
1034
    
985
 
    # last_checked_ok - property
986
 
    @dbus_service_property(_interface, signature=u"s",
987
 
                           access=u"readwrite")
988
 
    def last_checked_ok_dbus_property(self, value=None):
 
1035
    # LastCheckedOK - property
 
1036
    @dbus_service_property(_interface, signature="s",
 
1037
                           access="readwrite")
 
1038
    def LastCheckedOK_dbus_property(self, value=None):
989
1039
        if value is not None:
990
1040
            self.checked_ok()
991
1041
            return
992
1042
        if self.last_checked_ok is None:
993
 
            return dbus.String(u"")
 
1043
            return dbus.String("")
994
1044
        return dbus.String(self._datetime_to_dbus(self
995
1045
                                                  .last_checked_ok))
996
1046
    
997
 
    # timeout - property
998
 
    @dbus_service_property(_interface, signature=u"t",
999
 
                           access=u"readwrite")
1000
 
    def timeout_dbus_property(self, value=None):
 
1047
    # LastApprovalRequest - property
 
1048
    @dbus_service_property(_interface, signature="s", access="read")
 
1049
    def LastApprovalRequest_dbus_property(self):
 
1050
        if self.last_approval_request is None:
 
1051
            return dbus.String("")
 
1052
        return dbus.String(self.
 
1053
                           _datetime_to_dbus(self
 
1054
                                             .last_approval_request))
 
1055
    
 
1056
    # Timeout - property
 
1057
    @dbus_service_property(_interface, signature="t",
 
1058
                           access="readwrite")
 
1059
    def Timeout_dbus_property(self, value=None):
1001
1060
        if value is None:       # get
1002
1061
            return dbus.UInt64(self.timeout_milliseconds())
1003
1062
        self.timeout = datetime.timedelta(0, 0, 0, value)
1004
1063
        # Emit D-Bus signal
1005
 
        self.PropertyChanged(dbus.String(u"timeout"),
 
1064
        self.PropertyChanged(dbus.String("Timeout"),
1006
1065
                             dbus.UInt64(value, variant_level=1))
1007
 
        if getattr(self, u"disable_initiator_tag", None) is None:
 
1066
        if getattr(self, "disable_initiator_tag", None) is None:
1008
1067
            return
1009
1068
        # Reschedule timeout
1010
1069
        gobject.source_remove(self.disable_initiator_tag)
1022
1081
            self.disable_initiator_tag = (gobject.timeout_add
1023
1082
                                          (time_to_die, self.disable))
1024
1083
    
1025
 
    # interval - property
1026
 
    @dbus_service_property(_interface, signature=u"t",
1027
 
                           access=u"readwrite")
1028
 
    def interval_dbus_property(self, value=None):
 
1084
    # Interval - property
 
1085
    @dbus_service_property(_interface, signature="t",
 
1086
                           access="readwrite")
 
1087
    def Interval_dbus_property(self, value=None):
1029
1088
        if value is None:       # get
1030
1089
            return dbus.UInt64(self.interval_milliseconds())
1031
1090
        self.interval = datetime.timedelta(0, 0, 0, value)
1032
1091
        # Emit D-Bus signal
1033
 
        self.PropertyChanged(dbus.String(u"interval"),
 
1092
        self.PropertyChanged(dbus.String("Interval"),
1034
1093
                             dbus.UInt64(value, variant_level=1))
1035
 
        if getattr(self, u"checker_initiator_tag", None) is None:
 
1094
        if getattr(self, "checker_initiator_tag", None) is None:
1036
1095
            return
1037
1096
        # Reschedule checker run
1038
1097
        gobject.source_remove(self.checker_initiator_tag)
1040
1099
                                      (value, self.start_checker))
1041
1100
        self.start_checker()    # Start one now, too
1042
1101
 
1043
 
    # checker - property
1044
 
    @dbus_service_property(_interface, signature=u"s",
1045
 
                           access=u"readwrite")
1046
 
    def checker_dbus_property(self, value=None):
 
1102
    # Checker - property
 
1103
    @dbus_service_property(_interface, signature="s",
 
1104
                           access="readwrite")
 
1105
    def Checker_dbus_property(self, value=None):
1047
1106
        if value is None:       # get
1048
1107
            return dbus.String(self.checker_command)
1049
1108
        self.checker_command = value
1050
1109
        # Emit D-Bus signal
1051
 
        self.PropertyChanged(dbus.String(u"checker"),
 
1110
        self.PropertyChanged(dbus.String("Checker"),
1052
1111
                             dbus.String(self.checker_command,
1053
1112
                                         variant_level=1))
1054
1113
    
1055
 
    # checker_running - property
1056
 
    @dbus_service_property(_interface, signature=u"b",
1057
 
                           access=u"readwrite")
1058
 
    def checker_running_dbus_property(self, value=None):
 
1114
    # CheckerRunning - property
 
1115
    @dbus_service_property(_interface, signature="b",
 
1116
                           access="readwrite")
 
1117
    def CheckerRunning_dbus_property(self, value=None):
1059
1118
        if value is None:       # get
1060
1119
            return dbus.Boolean(self.checker is not None)
1061
1120
        if value:
1063
1122
        else:
1064
1123
            self.stop_checker()
1065
1124
    
1066
 
    # object_path - property
1067
 
    @dbus_service_property(_interface, signature=u"o", access=u"read")
1068
 
    def object_path_dbus_property(self):
 
1125
    # ObjectPath - property
 
1126
    @dbus_service_property(_interface, signature="o", access="read")
 
1127
    def ObjectPath_dbus_property(self):
1069
1128
        return self.dbus_object_path # is already a dbus.ObjectPath
1070
1129
    
1071
 
    # secret = property
1072
 
    @dbus_service_property(_interface, signature=u"ay",
1073
 
                           access=u"write", byte_arrays=True)
1074
 
    def secret_dbus_property(self, value):
 
1130
    # Secret = property
 
1131
    @dbus_service_property(_interface, signature="ay",
 
1132
                           access="write", byte_arrays=True)
 
1133
    def Secret_dbus_property(self, value):
1075
1134
        self.secret = str(value)
1076
1135
    
1077
1136
    del _interface
1111
1170
    
1112
1171
    def handle(self):
1113
1172
        with contextlib.closing(self.server.child_pipe) as child_pipe:
1114
 
            logger.info(u"TCP connection from: %s",
 
1173
            logger.info("TCP connection from: %s",
1115
1174
                        unicode(self.client_address))
1116
 
            logger.debug(u"Pipe FD: %d",
 
1175
            logger.debug("Pipe FD: %d",
1117
1176
                         self.server.child_pipe.fileno())
1118
1177
 
1119
1178
            session = (gnutls.connection
1126
1185
            # no X.509 keys are added to it.  Therefore, we can use it
1127
1186
            # here despite using OpenPGP certificates.
1128
1187
 
1129
 
            #priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1130
 
            #                      u"+AES-256-CBC", u"+SHA1",
1131
 
            #                      u"+COMP-NULL", u"+CTYPE-OPENPGP",
1132
 
            #                      u"+DHE-DSS"))
 
1188
            #priority = ':'.join(("NONE", "+VERS-TLS1.1",
 
1189
            #                      "+AES-256-CBC", "+SHA1",
 
1190
            #                      "+COMP-NULL", "+CTYPE-OPENPGP",
 
1191
            #                      "+DHE-DSS"))
1133
1192
            # Use a fallback default, since this MUST be set.
1134
1193
            priority = self.server.gnutls_priority
1135
1194
            if priority is None:
1136
 
                priority = u"NORMAL"
 
1195
                priority = "NORMAL"
1137
1196
            (gnutls.library.functions
1138
1197
             .gnutls_priority_set_direct(session._c_object,
1139
1198
                                         priority, None))
1141
1200
            # Start communication using the Mandos protocol
1142
1201
            # Get protocol number
1143
1202
            line = self.request.makefile().readline()
1144
 
            logger.debug(u"Protocol version: %r", line)
 
1203
            logger.debug("Protocol version: %r", line)
1145
1204
            try:
1146
1205
                if int(line.strip().split()[0]) > 1:
1147
1206
                    raise RuntimeError
1148
1207
            except (ValueError, IndexError, RuntimeError), error:
1149
 
                logger.error(u"Unknown protocol version: %s", error)
 
1208
                logger.error("Unknown protocol version: %s", error)
1150
1209
                return
1151
1210
 
1152
1211
            # Start GnuTLS connection
1153
1212
            try:
1154
1213
                session.handshake()
1155
1214
            except gnutls.errors.GNUTLSError, error:
1156
 
                logger.warning(u"Handshake failed: %s", error)
 
1215
                logger.warning("Handshake failed: %s", error)
1157
1216
                # Do not run session.bye() here: the session is not
1158
1217
                # established.  Just abandon the request.
1159
1218
                return
1160
 
            logger.debug(u"Handshake succeeded")
 
1219
            logger.debug("Handshake succeeded")
1161
1220
 
1162
1221
            approval_required = False
1163
1222
            try:
1165
1224
                    fpr = self.fingerprint(self.peer_certificate
1166
1225
                                           (session))
1167
1226
                except (TypeError, gnutls.errors.GNUTLSError), error:
1168
 
                    logger.warning(u"Bad certificate: %s", error)
 
1227
                    logger.warning("Bad certificate: %s", error)
1169
1228
                    return
1170
 
                logger.debug(u"Fingerprint: %s", fpr)
 
1229
                logger.debug("Fingerprint: %s", fpr)
1171
1230
 
1172
1231
                try:
1173
1232
                    client = ProxyClient(child_pipe, fpr,
1175
1234
                except KeyError:
1176
1235
                    return
1177
1236
                
1178
 
                if client.approved_delay:
1179
 
                    delay = client.approved_delay
 
1237
                if client.approval_delay:
 
1238
                    delay = client.approval_delay
1180
1239
                    client.approvals_pending += 1
1181
1240
                    approval_required = True
1182
1241
                
1183
1242
                while True:
1184
1243
                    if not client.enabled:
1185
 
                        logger.warning(u"Client %s is disabled",
 
1244
                        logger.warning("Client %s is disabled",
1186
1245
                                       client.name)
1187
1246
                        if self.server.use_dbus:
1188
1247
                            # Emit D-Bus signal
1189
1248
                            client.Rejected("Disabled")                    
1190
1249
                        return
1191
1250
                    
1192
 
                    if client._approved or not client.approved_delay:
 
1251
                    if client._approved or not client.approval_delay:
1193
1252
                        #We are approved or approval is disabled
1194
1253
                        break
1195
1254
                    elif client._approved is None:
1196
 
                        logger.info(u"Client %s need approval",
 
1255
                        logger.info("Client %s needs approval",
1197
1256
                                    client.name)
1198
1257
                        if self.server.use_dbus:
1199
1258
                            # Emit D-Bus signal
1200
1259
                            client.NeedApproval(
1201
 
                                client.approved_delay_milliseconds(),
 
1260
                                client.approval_delay_milliseconds(),
1202
1261
                                client.approved_by_default)
1203
1262
                    else:
1204
 
                        logger.warning(u"Client %s was not approved",
 
1263
                        logger.warning("Client %s was not approved",
1205
1264
                                       client.name)
1206
1265
                        if self.server.use_dbus:
1207
1266
                            # Emit D-Bus signal
1208
 
                            client.Rejected("Disapproved")
 
1267
                            client.Rejected("Denied")
1209
1268
                        return
1210
1269
                    
1211
1270
                    #wait until timeout or approved
1222
1281
                                           client.name)
1223
1282
                            if self.server.use_dbus:
1224
1283
                                # Emit D-Bus signal
1225
 
                                client.Rejected("Time out")
 
1284
                                client.Rejected("Approval timed out")
1226
1285
                            return
1227
1286
                        else:
1228
1287
                            break
1236
1295
                    except (gnutls.errors.GNUTLSError), error:
1237
1296
                        logger.warning("gnutls send failed")
1238
1297
                        return
1239
 
                    logger.debug(u"Sent: %d, remaining: %d",
 
1298
                    logger.debug("Sent: %d, remaining: %d",
1240
1299
                                 sent, len(client.secret)
1241
1300
                                 - (sent_size + sent))
1242
1301
                    sent_size += sent
1243
1302
 
1244
 
                logger.info(u"Sending secret to %s", client.name)
 
1303
                logger.info("Sending secret to %s", client.name)
1245
1304
                # bump the timeout as if seen
1246
1305
                client.checked_ok()
1247
1306
                if self.server.use_dbus:
1254
1313
                try:
1255
1314
                    session.bye()
1256
1315
                except (gnutls.errors.GNUTLSError), error:
1257
 
                    logger.warning("gnutls bye failed")
 
1316
                    logger.warning("GnuTLS bye failed")
1258
1317
    
1259
1318
    @staticmethod
1260
1319
    def peer_certificate(session):
1270
1329
                     .gnutls_certificate_get_peers
1271
1330
                     (session._c_object, ctypes.byref(list_size)))
1272
1331
        if not bool(cert_list) and list_size.value != 0:
1273
 
            raise gnutls.errors.GNUTLSError(u"error getting peer"
1274
 
                                            u" certificate")
 
1332
            raise gnutls.errors.GNUTLSError("error getting peer"
 
1333
                                            " certificate")
1275
1334
        if list_size.value == 0:
1276
1335
            return None
1277
1336
        cert = cert_list[0]
1303
1362
        if crtverify.value != 0:
1304
1363
            gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1305
1364
            raise (gnutls.errors.CertificateSecurityError
1306
 
                   (u"Verify failed"))
 
1365
                   ("Verify failed"))
1307
1366
        # New buffer for the fingerprint
1308
1367
        buf = ctypes.create_string_buffer(20)
1309
1368
        buf_len = ctypes.c_size_t()
1316
1375
        # Convert the buffer to a Python bytestring
1317
1376
        fpr = ctypes.string_at(buf, buf_len.value)
1318
1377
        # Convert the bytestring to hexadecimal notation
1319
 
        hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)
 
1378
        hex_fpr = ''.join("%02X" % ord(char) for char in fpr)
1320
1379
        return hex_fpr
1321
1380
 
1322
1381
 
1350
1409
 
1351
1410
    def add_pipe(self, parent_pipe):
1352
1411
        """Dummy function; override as necessary"""
1353
 
        pass
 
1412
        raise NotImplementedError
1354
1413
 
1355
1414
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1356
1415
                     socketserver.TCPServer, object):
1374
1433
        bind to an address or port if they were not specified."""
1375
1434
        if self.interface is not None:
1376
1435
            if SO_BINDTODEVICE is None:
1377
 
                logger.error(u"SO_BINDTODEVICE does not exist;"
1378
 
                             u" cannot bind to interface %s",
 
1436
                logger.error("SO_BINDTODEVICE does not exist;"
 
1437
                             " cannot bind to interface %s",
1379
1438
                             self.interface)
1380
1439
            else:
1381
1440
                try:
1382
1441
                    self.socket.setsockopt(socket.SOL_SOCKET,
1383
1442
                                           SO_BINDTODEVICE,
1384
1443
                                           str(self.interface
1385
 
                                               + u'\0'))
 
1444
                                               + '\0'))
1386
1445
                except socket.error, error:
1387
1446
                    if error[0] == errno.EPERM:
1388
 
                        logger.error(u"No permission to"
1389
 
                                     u" bind to interface %s",
 
1447
                        logger.error("No permission to"
 
1448
                                     " bind to interface %s",
1390
1449
                                     self.interface)
1391
1450
                    elif error[0] == errno.ENOPROTOOPT:
1392
 
                        logger.error(u"SO_BINDTODEVICE not available;"
1393
 
                                     u" cannot bind to interface %s",
 
1451
                        logger.error("SO_BINDTODEVICE not available;"
 
1452
                                     " cannot bind to interface %s",
1394
1453
                                     self.interface)
1395
1454
                    else:
1396
1455
                        raise
1398
1457
        if self.server_address[0] or self.server_address[1]:
1399
1458
            if not self.server_address[0]:
1400
1459
                if self.address_family == socket.AF_INET6:
1401
 
                    any_address = u"::" # in6addr_any
 
1460
                    any_address = "::" # in6addr_any
1402
1461
                else:
1403
1462
                    any_address = socket.INADDR_ANY
1404
1463
                self.server_address = (any_address,
1453
1512
    def handle_ipc(self, source, condition, parent_pipe=None,
1454
1513
                   client_object=None):
1455
1514
        condition_names = {
1456
 
            gobject.IO_IN: u"IN",   # There is data to read.
1457
 
            gobject.IO_OUT: u"OUT", # Data can be written (without
 
1515
            gobject.IO_IN: "IN",   # There is data to read.
 
1516
            gobject.IO_OUT: "OUT", # Data can be written (without
1458
1517
                                    # blocking).
1459
 
            gobject.IO_PRI: u"PRI", # There is urgent data to read.
1460
 
            gobject.IO_ERR: u"ERR", # Error condition.
1461
 
            gobject.IO_HUP: u"HUP"  # Hung up (the connection has been
 
1518
            gobject.IO_PRI: "PRI", # There is urgent data to read.
 
1519
            gobject.IO_ERR: "ERR", # Error condition.
 
1520
            gobject.IO_HUP: "HUP"  # Hung up (the connection has been
1462
1521
                                    # broken, usually for pipes and
1463
1522
                                    # sockets).
1464
1523
            }
1466
1525
                                       for cond, name in
1467
1526
                                       condition_names.iteritems()
1468
1527
                                       if cond & condition)
1469
 
        logger.debug(u"Handling IPC: FD = %d, condition = %s", source,
1470
 
                     conditions_string)
1471
 
 
1472
1528
        # error or the other end of multiprocessing.Pipe has closed
1473
1529
        if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
1474
1530
            return False
1475
1531
        
1476
1532
        # Read a request from the child
1477
1533
        request = parent_pipe.recv()
1478
 
        logger.debug(u"IPC request: %s", repr(request))
1479
1534
        command = request[0]
1480
1535
        
1481
1536
        if command == 'init':
1487
1542
                    client = c
1488
1543
                    break
1489
1544
            else:
1490
 
                logger.warning(u"Client not found for fingerprint: %s, ad"
1491
 
                               u"dress: %s", fpr, address)
 
1545
                logger.warning("Client not found for fingerprint: %s, ad"
 
1546
                               "dress: %s", fpr, address)
1492
1547
                if self.use_dbus:
1493
1548
                    # Emit D-Bus signal
1494
 
                    mandos_dbus_service.ClientNotFound(fpr, address)
 
1549
                    mandos_dbus_service.ClientNotFound(fpr, address[0])
1495
1550
                parent_pipe.send(False)
1496
1551
                return False
1497
1552
            
1528
1583
def string_to_delta(interval):
1529
1584
    """Parse a string and return a datetime.timedelta
1530
1585
    
1531
 
    >>> string_to_delta(u'7d')
 
1586
    >>> string_to_delta('7d')
1532
1587
    datetime.timedelta(7)
1533
 
    >>> string_to_delta(u'60s')
 
1588
    >>> string_to_delta('60s')
1534
1589
    datetime.timedelta(0, 60)
1535
 
    >>> string_to_delta(u'60m')
 
1590
    >>> string_to_delta('60m')
1536
1591
    datetime.timedelta(0, 3600)
1537
 
    >>> string_to_delta(u'24h')
 
1592
    >>> string_to_delta('24h')
1538
1593
    datetime.timedelta(1)
1539
 
    >>> string_to_delta(u'1w')
 
1594
    >>> string_to_delta('1w')
1540
1595
    datetime.timedelta(7)
1541
 
    >>> string_to_delta(u'5m 30s')
 
1596
    >>> string_to_delta('5m 30s')
1542
1597
    datetime.timedelta(0, 330)
1543
1598
    """
1544
1599
    timevalue = datetime.timedelta(0)
1546
1601
        try:
1547
1602
            suffix = unicode(s[-1])
1548
1603
            value = int(s[:-1])
1549
 
            if suffix == u"d":
 
1604
            if suffix == "d":
1550
1605
                delta = datetime.timedelta(value)
1551
 
            elif suffix == u"s":
 
1606
            elif suffix == "s":
1552
1607
                delta = datetime.timedelta(0, value)
1553
 
            elif suffix == u"m":
 
1608
            elif suffix == "m":
1554
1609
                delta = datetime.timedelta(0, 0, 0, 0, value)
1555
 
            elif suffix == u"h":
 
1610
            elif suffix == "h":
1556
1611
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
1557
 
            elif suffix == u"w":
 
1612
            elif suffix == "w":
1558
1613
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
1559
1614
            else:
1560
 
                raise ValueError(u"Unknown suffix %r" % suffix)
 
1615
                raise ValueError("Unknown suffix %r" % suffix)
1561
1616
        except (ValueError, IndexError), e:
1562
 
            raise ValueError(e.message)
 
1617
            raise ValueError(*(e.args))
1563
1618
        timevalue += delta
1564
1619
    return timevalue
1565
1620
 
1571
1626
    global if_nametoindex
1572
1627
    try:
1573
1628
        if_nametoindex = (ctypes.cdll.LoadLibrary
1574
 
                          (ctypes.util.find_library(u"c"))
 
1629
                          (ctypes.util.find_library("c"))
1575
1630
                          .if_nametoindex)
1576
1631
    except (OSError, AttributeError):
1577
 
        logger.warning(u"Doing if_nametoindex the hard way")
 
1632
        logger.warning("Doing if_nametoindex the hard way")
1578
1633
        def if_nametoindex(interface):
1579
1634
            "Get an interface index the hard way, i.e. using fcntl()"
1580
1635
            SIOCGIFINDEX = 0x8933  # From /usr/include/linux/sockios.h
1581
1636
            with contextlib.closing(socket.socket()) as s:
1582
1637
                ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
1583
 
                                    struct.pack(str(u"16s16x"),
 
1638
                                    struct.pack(str("16s16x"),
1584
1639
                                                interface))
1585
 
            interface_index = struct.unpack(str(u"I"),
 
1640
            interface_index = struct.unpack(str("I"),
1586
1641
                                            ifreq[16:20])[0]
1587
1642
            return interface_index
1588
1643
    return if_nametoindex(interface)
1596
1651
        sys.exit()
1597
1652
    os.setsid()
1598
1653
    if not nochdir:
1599
 
        os.chdir(u"/")
 
1654
        os.chdir("/")
1600
1655
    if os.fork():
1601
1656
        sys.exit()
1602
1657
    if not noclose:
1604
1659
        null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1605
1660
        if not stat.S_ISCHR(os.fstat(null).st_mode):
1606
1661
            raise OSError(errno.ENODEV,
1607
 
                          u"%s not a character device"
 
1662
                          "%s not a character device"
1608
1663
                          % os.path.devnull)
1609
1664
        os.dup2(null, sys.stdin.fileno())
1610
1665
        os.dup2(null, sys.stdout.fileno())
1619
1674
    # Parsing of options, both command line and config file
1620
1675
    
1621
1676
    parser = optparse.OptionParser(version = "%%prog %s" % version)
1622
 
    parser.add_option("-i", u"--interface", type=u"string",
1623
 
                      metavar="IF", help=u"Bind to interface IF")
1624
 
    parser.add_option("-a", u"--address", type=u"string",
1625
 
                      help=u"Address to listen for requests on")
1626
 
    parser.add_option("-p", u"--port", type=u"int",
1627
 
                      help=u"Port number to receive requests on")
1628
 
    parser.add_option("--check", action=u"store_true",
1629
 
                      help=u"Run self-test")
1630
 
    parser.add_option("--debug", action=u"store_true",
1631
 
                      help=u"Debug mode; run in foreground and log to"
1632
 
                      u" terminal")
1633
 
    parser.add_option("--debuglevel", type=u"string", metavar="Level",
1634
 
                      help=u"Debug level for stdout output")
1635
 
    parser.add_option("--priority", type=u"string", help=u"GnuTLS"
1636
 
                      u" priority string (see GnuTLS documentation)")
1637
 
    parser.add_option("--servicename", type=u"string",
1638
 
                      metavar=u"NAME", help=u"Zeroconf service name")
1639
 
    parser.add_option("--configdir", type=u"string",
1640
 
                      default=u"/etc/mandos", metavar=u"DIR",
1641
 
                      help=u"Directory to search for configuration"
1642
 
                      u" files")
1643
 
    parser.add_option("--no-dbus", action=u"store_false",
1644
 
                      dest=u"use_dbus", help=u"Do not provide D-Bus"
1645
 
                      u" system bus interface")
1646
 
    parser.add_option("--no-ipv6", action=u"store_false",
1647
 
                      dest=u"use_ipv6", help=u"Do not use IPv6")
 
1677
    parser.add_option("-i", "--interface", type="string",
 
1678
                      metavar="IF", help="Bind to interface IF")
 
1679
    parser.add_option("-a", "--address", type="string",
 
1680
                      help="Address to listen for requests on")
 
1681
    parser.add_option("-p", "--port", type="int",
 
1682
                      help="Port number to receive requests on")
 
1683
    parser.add_option("--check", action="store_true",
 
1684
                      help="Run self-test")
 
1685
    parser.add_option("--debug", action="store_true",
 
1686
                      help="Debug mode; run in foreground and log to"
 
1687
                      " terminal")
 
1688
    parser.add_option("--debuglevel", type="string", metavar="LEVEL",
 
1689
                      help="Debug level for stdout output")
 
1690
    parser.add_option("--priority", type="string", help="GnuTLS"
 
1691
                      " priority string (see GnuTLS documentation)")
 
1692
    parser.add_option("--servicename", type="string",
 
1693
                      metavar="NAME", help="Zeroconf service name")
 
1694
    parser.add_option("--configdir", type="string",
 
1695
                      default="/etc/mandos", metavar="DIR",
 
1696
                      help="Directory to search for configuration"
 
1697
                      " files")
 
1698
    parser.add_option("--no-dbus", action="store_false",
 
1699
                      dest="use_dbus", help="Do not provide D-Bus"
 
1700
                      " system bus interface")
 
1701
    parser.add_option("--no-ipv6", action="store_false",
 
1702
                      dest="use_ipv6", help="Do not use IPv6")
1648
1703
    options = parser.parse_args()[0]
1649
1704
    
1650
1705
    if options.check:
1653
1708
        sys.exit()
1654
1709
    
1655
1710
    # Default values for config file for server-global settings
1656
 
    server_defaults = { u"interface": u"",
1657
 
                        u"address": u"",
1658
 
                        u"port": u"",
1659
 
                        u"debug": u"False",
1660
 
                        u"priority":
1661
 
                        u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1662
 
                        u"servicename": u"Mandos",
1663
 
                        u"use_dbus": u"True",
1664
 
                        u"use_ipv6": u"True",
1665
 
                        u"debuglevel": u"",
 
1711
    server_defaults = { "interface": "",
 
1712
                        "address": "",
 
1713
                        "port": "",
 
1714
                        "debug": "False",
 
1715
                        "priority":
 
1716
                        "SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
 
1717
                        "servicename": "Mandos",
 
1718
                        "use_dbus": "True",
 
1719
                        "use_ipv6": "True",
 
1720
                        "debuglevel": "",
1666
1721
                        }
1667
1722
    
1668
1723
    # Parse config file for server-global settings
1669
1724
    server_config = configparser.SafeConfigParser(server_defaults)
1670
1725
    del server_defaults
1671
1726
    server_config.read(os.path.join(options.configdir,
1672
 
                                    u"mandos.conf"))
 
1727
                                    "mandos.conf"))
1673
1728
    # Convert the SafeConfigParser object to a dict
1674
1729
    server_settings = server_config.defaults()
1675
1730
    # Use the appropriate methods on the non-string config options
1676
 
    for option in (u"debug", u"use_dbus", u"use_ipv6"):
1677
 
        server_settings[option] = server_config.getboolean(u"DEFAULT",
 
1731
    for option in ("debug", "use_dbus", "use_ipv6"):
 
1732
        server_settings[option] = server_config.getboolean("DEFAULT",
1678
1733
                                                           option)
1679
1734
    if server_settings["port"]:
1680
 
        server_settings["port"] = server_config.getint(u"DEFAULT",
1681
 
                                                       u"port")
 
1735
        server_settings["port"] = server_config.getint("DEFAULT",
 
1736
                                                       "port")
1682
1737
    del server_config
1683
1738
    
1684
1739
    # Override the settings from the config file with command line
1685
1740
    # options, if set.
1686
 
    for option in (u"interface", u"address", u"port", u"debug",
1687
 
                   u"priority", u"servicename", u"configdir",
1688
 
                   u"use_dbus", u"use_ipv6", u"debuglevel"):
 
1741
    for option in ("interface", "address", "port", "debug",
 
1742
                   "priority", "servicename", "configdir",
 
1743
                   "use_dbus", "use_ipv6", "debuglevel"):
1689
1744
        value = getattr(options, option)
1690
1745
        if value is not None:
1691
1746
            server_settings[option] = value
1699
1754
    ##################################################################
1700
1755
    
1701
1756
    # For convenience
1702
 
    debug = server_settings[u"debug"]
1703
 
    debuglevel = server_settings[u"debuglevel"]
1704
 
    use_dbus = server_settings[u"use_dbus"]
1705
 
    use_ipv6 = server_settings[u"use_ipv6"]
 
1757
    debug = server_settings["debug"]
 
1758
    debuglevel = server_settings["debuglevel"]
 
1759
    use_dbus = server_settings["use_dbus"]
 
1760
    use_ipv6 = server_settings["use_ipv6"]
1706
1761
 
1707
 
    if server_settings[u"servicename"] != u"Mandos":
 
1762
    if server_settings["servicename"] != "Mandos":
1708
1763
        syslogger.setFormatter(logging.Formatter
1709
 
                               (u'Mandos (%s) [%%(process)d]:'
1710
 
                                u' %%(levelname)s: %%(message)s'
1711
 
                                % server_settings[u"servicename"]))
 
1764
                               ('Mandos (%s) [%%(process)d]:'
 
1765
                                ' %%(levelname)s: %%(message)s'
 
1766
                                % server_settings["servicename"]))
1712
1767
    
1713
1768
    # Parse config file with clients
1714
 
    client_defaults = { u"timeout": u"1h",
1715
 
                        u"interval": u"5m",
1716
 
                        u"checker": u"fping -q -- %%(host)s",
1717
 
                        u"host": u"",
1718
 
                        u"approved_delay": u"0s",
1719
 
                        u"approved_duration": u"1s",
 
1769
    client_defaults = { "timeout": "1h",
 
1770
                        "interval": "5m",
 
1771
                        "checker": "fping -q -- %%(host)s",
 
1772
                        "host": "",
 
1773
                        "approval_delay": "0s",
 
1774
                        "approval_duration": "1s",
1720
1775
                        }
1721
1776
    client_config = configparser.SafeConfigParser(client_defaults)
1722
 
    client_config.read(os.path.join(server_settings[u"configdir"],
1723
 
                                    u"clients.conf"))
 
1777
    client_config.read(os.path.join(server_settings["configdir"],
 
1778
                                    "clients.conf"))
1724
1779
    
1725
1780
    global mandos_dbus_service
1726
1781
    mandos_dbus_service = None
1727
1782
    
1728
 
    tcp_server = MandosServer((server_settings[u"address"],
1729
 
                               server_settings[u"port"]),
 
1783
    tcp_server = MandosServer((server_settings["address"],
 
1784
                               server_settings["port"]),
1730
1785
                              ClientHandler,
1731
 
                              interface=server_settings[u"interface"],
 
1786
                              interface=(server_settings["interface"]
 
1787
                                         or None),
1732
1788
                              use_ipv6=use_ipv6,
1733
1789
                              gnutls_priority=
1734
 
                              server_settings[u"priority"],
 
1790
                              server_settings["priority"],
1735
1791
                              use_dbus=use_dbus)
1736
 
    pidfilename = u"/var/run/mandos.pid"
1737
 
    try:
1738
 
        pidfile = open(pidfilename, u"w")
1739
 
    except IOError:
1740
 
        logger.error(u"Could not open file %r", pidfilename)
 
1792
    if not debug:
 
1793
        pidfilename = "/var/run/mandos.pid"
 
1794
        try:
 
1795
            pidfile = open(pidfilename, "w")
 
1796
        except IOError:
 
1797
            logger.error("Could not open file %r", pidfilename)
1741
1798
    
1742
1799
    try:
1743
 
        uid = pwd.getpwnam(u"_mandos").pw_uid
1744
 
        gid = pwd.getpwnam(u"_mandos").pw_gid
 
1800
        uid = pwd.getpwnam("_mandos").pw_uid
 
1801
        gid = pwd.getpwnam("_mandos").pw_gid
1745
1802
    except KeyError:
1746
1803
        try:
1747
 
            uid = pwd.getpwnam(u"mandos").pw_uid
1748
 
            gid = pwd.getpwnam(u"mandos").pw_gid
 
1804
            uid = pwd.getpwnam("mandos").pw_uid
 
1805
            gid = pwd.getpwnam("mandos").pw_gid
1749
1806
        except KeyError:
1750
1807
            try:
1751
 
                uid = pwd.getpwnam(u"nobody").pw_uid
1752
 
                gid = pwd.getpwnam(u"nobody").pw_gid
 
1808
                uid = pwd.getpwnam("nobody").pw_uid
 
1809
                gid = pwd.getpwnam("nobody").pw_gid
1753
1810
            except KeyError:
1754
1811
                uid = 65534
1755
1812
                gid = 65534
1760
1817
        if error[0] != errno.EPERM:
1761
1818
            raise error
1762
1819
    
1763
 
    # Enable all possible GnuTLS debugging
1764
 
 
1765
 
 
1766
1820
    if not debug and not debuglevel:
1767
1821
        syslogger.setLevel(logging.WARNING)
1768
1822
        console.setLevel(logging.WARNING)
1772
1826
        console.setLevel(level)
1773
1827
 
1774
1828
    if debug:
 
1829
        # Enable all possible GnuTLS debugging
 
1830
        
1775
1831
        # "Use a log level over 10 to enable all debugging options."
1776
1832
        # - GnuTLS manual
1777
1833
        gnutls.library.functions.gnutls_global_set_log_level(11)
1778
1834
        
1779
1835
        @gnutls.library.types.gnutls_log_func
1780
1836
        def debug_gnutls(level, string):
1781
 
            logger.debug(u"GnuTLS: %s", string[:-1])
 
1837
            logger.debug("GnuTLS: %s", string[:-1])
1782
1838
        
1783
1839
        (gnutls.library.functions
1784
1840
         .gnutls_global_set_log_function(debug_gnutls))
1785
 
 
 
1841
        
1786
1842
        # Redirect stdin so all checkers get /dev/null
1787
1843
        null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1788
1844
        os.dup2(null, sys.stdin.fileno())
1791
1847
    else:
1792
1848
        # No console logging
1793
1849
        logger.removeHandler(console)
1794
 
 
 
1850
    
 
1851
    # Need to fork before connecting to D-Bus
 
1852
    if not debug:
 
1853
        # Close all input and output, do double fork, etc.
 
1854
        daemon()
1795
1855
    
1796
1856
    global main_loop
1797
1857
    # From the Avahi example code
1801
1861
    # End of Avahi example code
1802
1862
    if use_dbus:
1803
1863
        try:
1804
 
            bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos",
 
1864
            bus_name = dbus.service.BusName("se.bsnet.fukt.Mandos",
1805
1865
                                            bus, do_not_queue=True)
1806
1866
        except dbus.exceptions.NameExistsException, e:
1807
 
            logger.error(unicode(e) + u", disabling D-Bus")
 
1867
            logger.error(unicode(e) + ", disabling D-Bus")
1808
1868
            use_dbus = False
1809
 
            server_settings[u"use_dbus"] = False
 
1869
            server_settings["use_dbus"] = False
1810
1870
            tcp_server.use_dbus = False
1811
1871
    protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
1812
 
    service = AvahiService(name = server_settings[u"servicename"],
1813
 
                           servicetype = u"_mandos._tcp",
 
1872
    service = AvahiService(name = server_settings["servicename"],
 
1873
                           servicetype = "_mandos._tcp",
1814
1874
                           protocol = protocol, bus = bus)
1815
1875
    if server_settings["interface"]:
1816
1876
        service.interface = (if_nametoindex
1817
 
                             (str(server_settings[u"interface"])))
1818
 
 
1819
 
    if not debug:
1820
 
        # Close all input and output, do double fork, etc.
1821
 
        daemon()
1822
 
        
 
1877
                             (str(server_settings["interface"])))
 
1878
    
1823
1879
    global multiprocessing_manager
1824
1880
    multiprocessing_manager = multiprocessing.Manager()
1825
1881
    
1844
1900
                        client_config, section)))
1845
1901
            for section in client_config.sections()))
1846
1902
    if not tcp_server.clients:
1847
 
        logger.warning(u"No clients defined")
 
1903
        logger.warning("No clients defined")
1848
1904
        
1849
 
    try:
1850
 
        with pidfile:
1851
 
            pid = os.getpid()
1852
 
            pidfile.write(str(pid) + "\n")
1853
 
        del pidfile
1854
 
    except IOError:
1855
 
        logger.error(u"Could not write to file %r with PID %d",
1856
 
                     pidfilename, pid)
1857
 
    except NameError:
1858
 
        # "pidfile" was never created
1859
 
        pass
1860
 
    del pidfilename
1861
 
    
1862
1905
    if not debug:
 
1906
        try:
 
1907
            with pidfile:
 
1908
                pid = os.getpid()
 
1909
                pidfile.write(str(pid) + "\n".encode("utf-8"))
 
1910
            del pidfile
 
1911
        except IOError:
 
1912
            logger.error("Could not write to file %r with PID %d",
 
1913
                         pidfilename, pid)
 
1914
        except NameError:
 
1915
            # "pidfile" was never created
 
1916
            pass
 
1917
        del pidfilename
 
1918
        
1863
1919
        signal.signal(signal.SIGINT, signal.SIG_IGN)
 
1920
 
1864
1921
    signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
1865
1922
    signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
1866
1923
    
1868
1925
        class MandosDBusService(dbus.service.Object):
1869
1926
            """A D-Bus proxy object"""
1870
1927
            def __init__(self):
1871
 
                dbus.service.Object.__init__(self, bus, u"/")
1872
 
            _interface = u"se.bsnet.fukt.Mandos"
 
1928
                dbus.service.Object.__init__(self, bus, "/")
 
1929
            _interface = "se.bsnet.fukt.Mandos"
1873
1930
            
1874
 
            @dbus.service.signal(_interface, signature=u"o")
 
1931
            @dbus.service.signal(_interface, signature="o")
1875
1932
            def ClientAdded(self, objpath):
1876
1933
                "D-Bus signal"
1877
1934
                pass
1878
1935
            
1879
 
            @dbus.service.signal(_interface, signature=u"ss")
 
1936
            @dbus.service.signal(_interface, signature="ss")
1880
1937
            def ClientNotFound(self, fingerprint, address):
1881
1938
                "D-Bus signal"
1882
1939
                pass
1883
1940
            
1884
 
            @dbus.service.signal(_interface, signature=u"os")
 
1941
            @dbus.service.signal(_interface, signature="os")
1885
1942
            def ClientRemoved(self, objpath, name):
1886
1943
                "D-Bus signal"
1887
1944
                pass
1888
1945
            
1889
 
            @dbus.service.method(_interface, out_signature=u"ao")
 
1946
            @dbus.service.method(_interface, out_signature="ao")
1890
1947
            def GetAllClients(self):
1891
1948
                "D-Bus method"
1892
1949
                return dbus.Array(c.dbus_object_path
1893
1950
                                  for c in tcp_server.clients)
1894
1951
            
1895
1952
            @dbus.service.method(_interface,
1896
 
                                 out_signature=u"a{oa{sv}}")
 
1953
                                 out_signature="a{oa{sv}}")
1897
1954
            def GetAllClientsWithProperties(self):
1898
1955
                "D-Bus method"
1899
1956
                return dbus.Dictionary(
1900
 
                    ((c.dbus_object_path, c.GetAll(u""))
 
1957
                    ((c.dbus_object_path, c.GetAll(""))
1901
1958
                     for c in tcp_server.clients),
1902
 
                    signature=u"oa{sv}")
 
1959
                    signature="oa{sv}")
1903
1960
            
1904
 
            @dbus.service.method(_interface, in_signature=u"o")
 
1961
            @dbus.service.method(_interface, in_signature="o")
1905
1962
            def RemoveClient(self, object_path):
1906
1963
                "D-Bus method"
1907
1964
                for c in tcp_server.clients:
1949
2006
    # Find out what port we got
1950
2007
    service.port = tcp_server.socket.getsockname()[1]
1951
2008
    if use_ipv6:
1952
 
        logger.info(u"Now listening on address %r, port %d,"
 
2009
        logger.info("Now listening on address %r, port %d,"
1953
2010
                    " flowinfo %d, scope_id %d"
1954
2011
                    % tcp_server.socket.getsockname())
1955
2012
    else:                       # IPv4
1956
 
        logger.info(u"Now listening on address %r, port %d"
 
2013
        logger.info("Now listening on address %r, port %d"
1957
2014
                    % tcp_server.socket.getsockname())
1958
2015
    
1959
2016
    #service.interface = tcp_server.socket.getsockname()[3]
1963
2020
        try:
1964
2021
            service.activate()
1965
2022
        except dbus.exceptions.DBusException, error:
1966
 
            logger.critical(u"DBusException: %s", error)
 
2023
            logger.critical("DBusException: %s", error)
1967
2024
            cleanup()
1968
2025
            sys.exit(1)
1969
2026
        # End of Avahi example code
1973
2030
                             (tcp_server.handle_request
1974
2031
                              (*args[2:], **kwargs) or True))
1975
2032
        
1976
 
        logger.debug(u"Starting main loop")
 
2033
        logger.debug("Starting main loop")
1977
2034
        main_loop.run()
1978
2035
    except AvahiError, error:
1979
 
        logger.critical(u"AvahiError: %s", error)
 
2036
        logger.critical("AvahiError: %s", error)
1980
2037
        cleanup()
1981
2038
        sys.exit(1)
1982
2039
    except KeyboardInterrupt:
1983
2040
        if debug:
1984
 
            print >> sys.stderr
1985
 
        logger.debug(u"Server received KeyboardInterrupt")
1986
 
    logger.debug(u"Server exiting")
 
2041
            print("", file=sys.stderr)
 
2042
        logger.debug("Server received KeyboardInterrupt")
 
2043
    logger.debug("Server exiting")
1987
2044
    # Must run before the D-Bus bus name gets deregistered
1988
2045
    cleanup()
1989
2046