/mandos/trunk

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  • 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.

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Lines of Context:
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# along with this program.  If not, see
29
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# <http://www.gnu.org/licenses/>.
30
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31
 
# Contact the authors at <mandos@recompile.se>.
 
31
# Contact the authors at <mandos@fukt.bsnet.se>.
32
32
33
33
 
34
34
from __future__ import (division, absolute_import, print_function,
36
36
 
37
37
import SocketServer as socketserver
38
38
import socket
39
 
import argparse
 
39
import optparse
40
40
import datetime
41
41
import errno
42
42
import gnutls.crypto
62
62
import functools
63
63
import cPickle as pickle
64
64
import multiprocessing
65
 
import types
66
65
 
67
66
import dbus
68
67
import dbus.service
83
82
        SO_BINDTODEVICE = None
84
83
 
85
84
 
86
 
version = "1.4.0"
 
85
version = "1.2.3"
87
86
 
88
87
#logger = logging.getLogger('mandos')
89
88
logger = logging.Logger('mandos')
152
151
        self.group = None       # our entry group
153
152
        self.server = None
154
153
        self.bus = bus
155
 
        self.entry_group_state_changed_match = None
156
154
    def rename(self):
157
155
        """Derived from the Avahi example code"""
158
156
        if self.rename_count >= self.max_renames:
160
158
                            " after %i retries, exiting.",
161
159
                            self.rename_count)
162
160
            raise AvahiServiceError("Too many renames")
163
 
        self.name = unicode(self.server
164
 
                            .GetAlternativeServiceName(self.name))
 
161
        self.name = unicode(self.server.GetAlternativeServiceName(self.name))
165
162
        logger.info("Changing Zeroconf service name to %r ...",
166
163
                    self.name)
167
164
        syslogger.setFormatter(logging.Formatter
171
168
        self.remove()
172
169
        try:
173
170
            self.add()
174
 
        except dbus.exceptions.DBusException as error:
 
171
        except dbus.exceptions.DBusException, error:
175
172
            logger.critical("DBusException: %s", error)
176
173
            self.cleanup()
177
174
            os._exit(1)
178
175
        self.rename_count += 1
179
176
    def remove(self):
180
177
        """Derived from the Avahi example code"""
181
 
        if self.entry_group_state_changed_match is not None:
182
 
            self.entry_group_state_changed_match.remove()
183
 
            self.entry_group_state_changed_match = None
184
178
        if self.group is not None:
185
179
            self.group.Reset()
186
180
    def add(self):
187
181
        """Derived from the Avahi example code"""
188
 
        self.remove()
189
182
        if self.group is None:
190
183
            self.group = dbus.Interface(
191
184
                self.bus.get_object(avahi.DBUS_NAME,
192
185
                                    self.server.EntryGroupNew()),
193
186
                avahi.DBUS_INTERFACE_ENTRY_GROUP)
194
 
        self.entry_group_state_changed_match = (
195
 
            self.group.connect_to_signal(
196
 
                'StateChanged', self .entry_group_state_changed))
 
187
            self.group.connect_to_signal('StateChanged',
 
188
                                         self
 
189
                                         .entry_group_state_changed)
197
190
        logger.debug("Adding Zeroconf service '%s' of type '%s' ...",
198
191
                     self.name, self.type)
199
192
        self.group.AddService(
222
215
    def cleanup(self):
223
216
        """Derived from the Avahi example code"""
224
217
        if self.group is not None:
225
 
            try:
226
 
                self.group.Free()
227
 
            except (dbus.exceptions.UnknownMethodException,
228
 
                    dbus.exceptions.DBusException) as e:
229
 
                pass
 
218
            self.group.Free()
230
219
            self.group = None
231
 
        self.remove()
232
 
    def server_state_changed(self, state, error=None):
 
220
    def server_state_changed(self, state):
233
221
        """Derived from the Avahi example code"""
234
222
        logger.debug("Avahi server state change: %i", state)
235
 
        bad_states = { avahi.SERVER_INVALID:
236
 
                           "Zeroconf server invalid",
237
 
                       avahi.SERVER_REGISTERING: None,
238
 
                       avahi.SERVER_COLLISION:
239
 
                           "Zeroconf server name collision",
240
 
                       avahi.SERVER_FAILURE:
241
 
                           "Zeroconf server failure" }
242
 
        if state in bad_states:
243
 
            if bad_states[state] is not None:
244
 
                if error is None:
245
 
                    logger.error(bad_states[state])
246
 
                else:
247
 
                    logger.error(bad_states[state] + ": %r", error)
248
 
            self.cleanup()
 
223
        if state == avahi.SERVER_COLLISION:
 
224
            logger.error("Zeroconf server name collision")
 
225
            self.remove()
249
226
        elif state == avahi.SERVER_RUNNING:
250
227
            self.add()
251
 
        else:
252
 
            if error is None:
253
 
                logger.debug("Unknown state: %r", state)
254
 
            else:
255
 
                logger.debug("Unknown state: %r: %r", state, error)
256
228
    def activate(self):
257
229
        """Derived from the Avahi example code"""
258
230
        if self.server is None:
259
231
            self.server = dbus.Interface(
260
232
                self.bus.get_object(avahi.DBUS_NAME,
261
 
                                    avahi.DBUS_PATH_SERVER,
262
 
                                    follow_name_owner_changes=True),
 
233
                                    avahi.DBUS_PATH_SERVER),
263
234
                avahi.DBUS_INTERFACE_SERVER)
264
235
        self.server.connect_to_signal("StateChanged",
265
236
                                 self.server_state_changed)
266
237
        self.server_state_changed(self.server.GetState())
267
238
 
268
239
 
269
 
def _timedelta_to_milliseconds(td):
270
 
    "Convert a datetime.timedelta() to milliseconds"
271
 
    return ((td.days * 24 * 60 * 60 * 1000)
272
 
            + (td.seconds * 1000)
273
 
            + (td.microseconds // 1000))
274
 
        
275
240
class Client(object):
276
241
    """A representation of a client host served by this server.
277
242
    
305
270
    secret:     bytestring; sent verbatim (over TLS) to client
306
271
    timeout:    datetime.timedelta(); How long from last_checked_ok
307
272
                                      until this client is disabled
308
 
    extended_timeout:   extra long timeout when password has been sent
309
273
    runtime_expansions: Allowed attributes for runtime expansion.
310
 
    expires:    datetime.datetime(); time (UTC) when a client will be
311
 
                disabled, or None
312
274
    """
313
275
    
314
276
    runtime_expansions = ("approval_delay", "approval_duration",
316
278
                          "host", "interval", "last_checked_ok",
317
279
                          "last_enabled", "name", "timeout")
318
280
    
 
281
    @staticmethod
 
282
    def _timedelta_to_milliseconds(td):
 
283
        "Convert a datetime.timedelta() to milliseconds"
 
284
        return ((td.days * 24 * 60 * 60 * 1000)
 
285
                + (td.seconds * 1000)
 
286
                + (td.microseconds // 1000))
 
287
    
319
288
    def timeout_milliseconds(self):
320
289
        "Return the 'timeout' attribute in milliseconds"
321
 
        return _timedelta_to_milliseconds(self.timeout)
322
 
    
323
 
    def extended_timeout_milliseconds(self):
324
 
        "Return the 'extended_timeout' attribute in milliseconds"
325
 
        return _timedelta_to_milliseconds(self.extended_timeout)
 
290
        return self._timedelta_to_milliseconds(self.timeout)
326
291
    
327
292
    def interval_milliseconds(self):
328
293
        "Return the 'interval' attribute in milliseconds"
329
 
        return _timedelta_to_milliseconds(self.interval)
330
 
    
 
294
        return self._timedelta_to_milliseconds(self.interval)
 
295
 
331
296
    def approval_delay_milliseconds(self):
332
 
        return _timedelta_to_milliseconds(self.approval_delay)
 
297
        return self._timedelta_to_milliseconds(self.approval_delay)
333
298
    
334
299
    def __init__(self, name = None, disable_hook=None, config=None):
335
300
        """Note: the 'checker' key in 'config' sets the
362
327
        self.last_enabled = None
363
328
        self.last_checked_ok = None
364
329
        self.timeout = string_to_delta(config["timeout"])
365
 
        self.extended_timeout = string_to_delta(config
366
 
                                                ["extended_timeout"])
367
330
        self.interval = string_to_delta(config["interval"])
368
331
        self.disable_hook = disable_hook
369
332
        self.checker = None
370
333
        self.checker_initiator_tag = None
371
334
        self.disable_initiator_tag = None
372
 
        self.expires = None
373
335
        self.checker_callback_tag = None
374
336
        self.checker_command = config["checker"]
375
337
        self.current_checker_command = None
382
344
            config["approval_delay"])
383
345
        self.approval_duration = string_to_delta(
384
346
            config["approval_duration"])
385
 
        self.changedstate = (multiprocessing_manager
386
 
                             .Condition(multiprocessing_manager
387
 
                                        .Lock()))
 
347
        self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
388
348
    
389
349
    def send_changedstate(self):
390
350
        self.changedstate.acquire()
391
351
        self.changedstate.notify_all()
392
352
        self.changedstate.release()
393
 
    
 
353
        
394
354
    def enable(self):
395
355
        """Start this client's checker and timeout hooks"""
396
356
        if getattr(self, "enabled", False):
397
357
            # Already enabled
398
358
            return
399
359
        self.send_changedstate()
 
360
        self.last_enabled = datetime.datetime.utcnow()
400
361
        # Schedule a new checker to be started an 'interval' from now,
401
362
        # and every interval from then on.
402
363
        self.checker_initiator_tag = (gobject.timeout_add
403
364
                                      (self.interval_milliseconds(),
404
365
                                       self.start_checker))
405
366
        # Schedule a disable() when 'timeout' has passed
406
 
        self.expires = datetime.datetime.utcnow() + self.timeout
407
367
        self.disable_initiator_tag = (gobject.timeout_add
408
368
                                   (self.timeout_milliseconds(),
409
369
                                    self.disable))
410
370
        self.enabled = True
411
 
        self.last_enabled = datetime.datetime.utcnow()
412
371
        # Also start a new checker *right now*.
413
372
        self.start_checker()
414
373
    
423
382
        if getattr(self, "disable_initiator_tag", False):
424
383
            gobject.source_remove(self.disable_initiator_tag)
425
384
            self.disable_initiator_tag = None
426
 
        self.expires = None
427
385
        if getattr(self, "checker_initiator_tag", False):
428
386
            gobject.source_remove(self.checker_initiator_tag)
429
387
            self.checker_initiator_tag = None
455
413
            logger.warning("Checker for %(name)s crashed?",
456
414
                           vars(self))
457
415
    
458
 
    def checked_ok(self, timeout=None):
 
416
    def checked_ok(self):
459
417
        """Bump up the timeout for this client.
460
418
        
461
419
        This should only be called when the client has been seen,
462
420
        alive and well.
463
421
        """
464
 
        if timeout is None:
465
 
            timeout = self.timeout
466
422
        self.last_checked_ok = datetime.datetime.utcnow()
467
423
        gobject.source_remove(self.disable_initiator_tag)
468
424
        self.disable_initiator_tag = (gobject.timeout_add
469
 
                                      (_timedelta_to_milliseconds
470
 
                                       (timeout), self.disable))
471
 
        self.expires = datetime.datetime.utcnow() + timeout
 
425
                                      (self.timeout_milliseconds(),
 
426
                                       self.disable))
472
427
    
473
428
    def need_approval(self):
474
429
        self.last_approval_request = datetime.datetime.utcnow()
490
445
        # If a checker exists, make sure it is not a zombie
491
446
        try:
492
447
            pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
493
 
        except (AttributeError, OSError) as error:
 
448
        except (AttributeError, OSError), error:
494
449
            if (isinstance(error, OSError)
495
450
                and error.errno != errno.ECHILD):
496
451
                raise error
514
469
                                       'replace')))
515
470
                    for attr in
516
471
                    self.runtime_expansions)
517
 
                
 
472
 
518
473
                try:
519
474
                    command = self.checker_command % escaped_attrs
520
 
                except TypeError as error:
 
475
                except TypeError, error:
521
476
                    logger.error('Could not format string "%s":'
522
477
                                 ' %s', self.checker_command, error)
523
478
                    return True # Try again later
542
497
                if pid:
543
498
                    gobject.source_remove(self.checker_callback_tag)
544
499
                    self.checker_callback(pid, status, command)
545
 
            except OSError as error:
 
500
            except OSError, error:
546
501
                logger.error("Failed to start subprocess: %s",
547
502
                             error)
548
503
        # Re-run this periodically if run by gobject.timeout_add
561
516
            #time.sleep(0.5)
562
517
            #if self.checker.poll() is None:
563
518
            #    os.kill(self.checker.pid, signal.SIGKILL)
564
 
        except OSError as error:
 
519
        except OSError, error:
565
520
            if error.errno != errno.ESRCH: # No such process
566
521
                raise
567
522
        self.checker = None
568
523
 
569
 
 
570
524
def dbus_service_property(dbus_interface, signature="v",
571
525
                          access="readwrite", byte_arrays=False):
572
526
    """Decorators for marking methods of a DBusObjectWithProperties to
618
572
 
619
573
class DBusObjectWithProperties(dbus.service.Object):
620
574
    """A D-Bus object with properties.
621
 
    
 
575
 
622
576
    Classes inheriting from this can use the dbus_service_property
623
577
    decorator to expose methods as D-Bus properties.  It exposes the
624
578
    standard Get(), Set(), and GetAll() methods on the D-Bus.
631
585
    def _get_all_dbus_properties(self):
632
586
        """Returns a generator of (name, attribute) pairs
633
587
        """
634
 
        return ((prop.__get__(self)._dbus_name, prop.__get__(self))
635
 
                for cls in self.__class__.__mro__
 
588
        return ((prop._dbus_name, prop)
636
589
                for name, prop in
637
 
                inspect.getmembers(cls, self._is_dbus_property))
 
590
                inspect.getmembers(self, self._is_dbus_property))
638
591
    
639
592
    def _get_dbus_property(self, interface_name, property_name):
640
593
        """Returns a bound method if one exists which is a D-Bus
641
594
        property with the specified name and interface.
642
595
        """
643
 
        for cls in  self.__class__.__mro__:
644
 
            for name, value in (inspect.getmembers
645
 
                                (cls, self._is_dbus_property)):
646
 
                if (value._dbus_name == property_name
647
 
                    and value._dbus_interface == interface_name):
648
 
                    return value.__get__(self)
649
 
        
 
596
        for name in (property_name,
 
597
                     property_name + "_dbus_property"):
 
598
            prop = getattr(self, name, None)
 
599
            if (prop is None
 
600
                or not self._is_dbus_property(prop)
 
601
                or prop._dbus_name != property_name
 
602
                or (interface_name and prop._dbus_interface
 
603
                    and interface_name != prop._dbus_interface)):
 
604
                continue
 
605
            return prop
650
606
        # No such property
651
607
        raise DBusPropertyNotFound(self.dbus_object_path + ":"
652
608
                                   + interface_name + "."
686
642
    def GetAll(self, interface_name):
687
643
        """Standard D-Bus property GetAll() method, see D-Bus
688
644
        standard.
689
 
        
 
645
 
690
646
        Note: Will not include properties with access="write".
691
647
        """
692
648
        all = {}
748
704
            xmlstring = document.toxml("utf-8")
749
705
            document.unlink()
750
706
        except (AttributeError, xml.dom.DOMException,
751
 
                xml.parsers.expat.ExpatError) as error:
 
707
                xml.parsers.expat.ExpatError), error:
752
708
            logger.error("Failed to override Introspection method",
753
709
                         error)
754
710
        return xmlstring
755
711
 
756
712
 
757
 
def datetime_to_dbus (dt, variant_level=0):
758
 
    """Convert a UTC datetime.datetime() to a D-Bus type."""
759
 
    if dt is None:
760
 
        return dbus.String("", variant_level = variant_level)
761
 
    return dbus.String(dt.isoformat(),
762
 
                       variant_level=variant_level)
763
 
 
764
 
class AlternateDBusNamesMetaclass(DBusObjectWithProperties
765
 
                                  .__metaclass__):
766
 
    """Applied to an empty subclass of a D-Bus object, this metaclass
767
 
    will add additional D-Bus attributes matching a certain pattern.
768
 
    """
769
 
    def __new__(mcs, name, bases, attr):
770
 
        # Go through all the base classes which could have D-Bus
771
 
        # methods, signals, or properties in them
772
 
        for base in (b for b in bases
773
 
                     if issubclass(b, dbus.service.Object)):
774
 
            # Go though all attributes of the base class
775
 
            for attrname, attribute in inspect.getmembers(base):
776
 
                # Ignore non-D-Bus attributes, and D-Bus attributes
777
 
                # with the wrong interface name
778
 
                if (not hasattr(attribute, "_dbus_interface")
779
 
                    or not attribute._dbus_interface
780
 
                    .startswith("se.recompile.Mandos")):
781
 
                    continue
782
 
                # Create an alternate D-Bus interface name based on
783
 
                # the current name
784
 
                alt_interface = (attribute._dbus_interface
785
 
                                 .replace("se.recompile.Mandos",
786
 
                                          "se.bsnet.fukt.Mandos"))
787
 
                # Is this a D-Bus signal?
788
 
                if getattr(attribute, "_dbus_is_signal", False):
789
 
                    # Extract the original non-method function by
790
 
                    # black magic
791
 
                    nonmethod_func = (dict(
792
 
                            zip(attribute.func_code.co_freevars,
793
 
                                attribute.__closure__))["func"]
794
 
                                      .cell_contents)
795
 
                    # Create a new, but exactly alike, function
796
 
                    # object, and decorate it to be a new D-Bus signal
797
 
                    # with the alternate D-Bus interface name
798
 
                    new_function = (dbus.service.signal
799
 
                                    (alt_interface,
800
 
                                     attribute._dbus_signature)
801
 
                                    (types.FunctionType(
802
 
                                nonmethod_func.func_code,
803
 
                                nonmethod_func.func_globals,
804
 
                                nonmethod_func.func_name,
805
 
                                nonmethod_func.func_defaults,
806
 
                                nonmethod_func.func_closure)))
807
 
                    # Define a creator of a function to call both the
808
 
                    # old and new functions, so both the old and new
809
 
                    # signals gets sent when the function is called
810
 
                    def fixscope(func1, func2):
811
 
                        """This function is a scope container to pass
812
 
                        func1 and func2 to the "call_both" function
813
 
                        outside of its arguments"""
814
 
                        def call_both(*args, **kwargs):
815
 
                            """This function will emit two D-Bus
816
 
                            signals by calling func1 and func2"""
817
 
                            func1(*args, **kwargs)
818
 
                            func2(*args, **kwargs)
819
 
                        return call_both
820
 
                    # Create the "call_both" function and add it to
821
 
                    # the class
822
 
                    attr[attrname] = fixscope(attribute,
823
 
                                              new_function)
824
 
                # Is this a D-Bus method?
825
 
                elif getattr(attribute, "_dbus_is_method", False):
826
 
                    # Create a new, but exactly alike, function
827
 
                    # object.  Decorate it to be a new D-Bus method
828
 
                    # with the alternate D-Bus interface name.  Add it
829
 
                    # to the class.
830
 
                    attr[attrname] = (dbus.service.method
831
 
                                      (alt_interface,
832
 
                                       attribute._dbus_in_signature,
833
 
                                       attribute._dbus_out_signature)
834
 
                                      (types.FunctionType
835
 
                                       (attribute.func_code,
836
 
                                        attribute.func_globals,
837
 
                                        attribute.func_name,
838
 
                                        attribute.func_defaults,
839
 
                                        attribute.func_closure)))
840
 
                # Is this a D-Bus property?
841
 
                elif getattr(attribute, "_dbus_is_property", False):
842
 
                    # Create a new, but exactly alike, function
843
 
                    # object, and decorate it to be a new D-Bus
844
 
                    # property with the alternate D-Bus interface
845
 
                    # name.  Add it to the class.
846
 
                    attr[attrname] = (dbus_service_property
847
 
                                      (alt_interface,
848
 
                                       attribute._dbus_signature,
849
 
                                       attribute._dbus_access,
850
 
                                       attribute
851
 
                                       ._dbus_get_args_options
852
 
                                       ["byte_arrays"])
853
 
                                      (types.FunctionType
854
 
                                       (attribute.func_code,
855
 
                                        attribute.func_globals,
856
 
                                        attribute.func_name,
857
 
                                        attribute.func_defaults,
858
 
                                        attribute.func_closure)))
859
 
        return type.__new__(mcs, name, bases, attr)
860
 
 
861
713
class ClientDBus(Client, DBusObjectWithProperties):
862
714
    """A Client class using D-Bus
863
715
    
885
737
        DBusObjectWithProperties.__init__(self, self.bus,
886
738
                                          self.dbus_object_path)
887
739
        
888
 
    def notifychangeproperty(transform_func,
889
 
                             dbus_name, type_func=lambda x: x,
890
 
                             variant_level=1):
891
 
        """ Modify a variable so that it's a property which announces
892
 
        its changes to DBus.
 
740
    def _get_approvals_pending(self):
 
741
        return self._approvals_pending
 
742
    def _set_approvals_pending(self, value):
 
743
        old_value = self._approvals_pending
 
744
        self._approvals_pending = value
 
745
        bval = bool(value)
 
746
        if (hasattr(self, "dbus_object_path")
 
747
            and bval is not bool(old_value)):
 
748
            dbus_bool = dbus.Boolean(bval, variant_level=1)
 
749
            self.PropertyChanged(dbus.String("ApprovalPending"),
 
750
                                 dbus_bool)
893
751
 
894
 
        transform_fun: Function that takes a value and transforms it
895
 
                       to a D-Bus type.
896
 
        dbus_name: D-Bus name of the variable
897
 
        type_func: Function that transform the value before sending it
898
 
                   to the D-Bus.  Default: no transform
899
 
        variant_level: D-Bus variant level.  Default: 1
900
 
        """
901
 
        attrname = "_{0}".format(dbus_name)
902
 
        def setter(self, value):
903
 
            if hasattr(self, "dbus_object_path"):
904
 
                if (not hasattr(self, attrname) or
905
 
                    type_func(getattr(self, attrname, None))
906
 
                    != type_func(value)):
907
 
                    dbus_value = transform_func(type_func(value),
908
 
                                                variant_level)
909
 
                    self.PropertyChanged(dbus.String(dbus_name),
910
 
                                         dbus_value)
911
 
            setattr(self, attrname, value)
912
 
        
913
 
        return property(lambda self: getattr(self, attrname), setter)
914
 
    
915
 
    
916
 
    expires = notifychangeproperty(datetime_to_dbus, "Expires")
917
 
    approvals_pending = notifychangeproperty(dbus.Boolean,
918
 
                                             "ApprovalPending",
919
 
                                             type_func = bool)
920
 
    enabled = notifychangeproperty(dbus.Boolean, "Enabled")
921
 
    last_enabled = notifychangeproperty(datetime_to_dbus,
922
 
                                        "LastEnabled")
923
 
    checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
924
 
                                   type_func = lambda checker:
925
 
                                       checker is not None)
926
 
    last_checked_ok = notifychangeproperty(datetime_to_dbus,
927
 
                                           "LastCheckedOK")
928
 
    last_approval_request = notifychangeproperty(
929
 
        datetime_to_dbus, "LastApprovalRequest")
930
 
    approved_by_default = notifychangeproperty(dbus.Boolean,
931
 
                                               "ApprovedByDefault")
932
 
    approval_delay = notifychangeproperty(dbus.UInt16,
933
 
                                          "ApprovalDelay",
934
 
                                          type_func =
935
 
                                          _timedelta_to_milliseconds)
936
 
    approval_duration = notifychangeproperty(
937
 
        dbus.UInt16, "ApprovalDuration",
938
 
        type_func = _timedelta_to_milliseconds)
939
 
    host = notifychangeproperty(dbus.String, "Host")
940
 
    timeout = notifychangeproperty(dbus.UInt16, "Timeout",
941
 
                                   type_func =
942
 
                                   _timedelta_to_milliseconds)
943
 
    extended_timeout = notifychangeproperty(
944
 
        dbus.UInt16, "ExtendedTimeout",
945
 
        type_func = _timedelta_to_milliseconds)
946
 
    interval = notifychangeproperty(dbus.UInt16,
947
 
                                    "Interval",
948
 
                                    type_func =
949
 
                                    _timedelta_to_milliseconds)
950
 
    checker_command = notifychangeproperty(dbus.String, "Checker")
951
 
    
952
 
    del notifychangeproperty
 
752
    approvals_pending = property(_get_approvals_pending,
 
753
                                 _set_approvals_pending)
 
754
    del _get_approvals_pending, _set_approvals_pending
 
755
    
 
756
    @staticmethod
 
757
    def _datetime_to_dbus(dt, variant_level=0):
 
758
        """Convert a UTC datetime.datetime() to a D-Bus type."""
 
759
        return dbus.String(dt.isoformat(),
 
760
                           variant_level=variant_level)
 
761
    
 
762
    def enable(self):
 
763
        oldstate = getattr(self, "enabled", False)
 
764
        r = Client.enable(self)
 
765
        if oldstate != self.enabled:
 
766
            # Emit D-Bus signals
 
767
            self.PropertyChanged(dbus.String("Enabled"),
 
768
                                 dbus.Boolean(True, variant_level=1))
 
769
            self.PropertyChanged(
 
770
                dbus.String("LastEnabled"),
 
771
                self._datetime_to_dbus(self.last_enabled,
 
772
                                       variant_level=1))
 
773
        return r
 
774
    
 
775
    def disable(self, quiet = False):
 
776
        oldstate = getattr(self, "enabled", False)
 
777
        r = Client.disable(self, quiet=quiet)
 
778
        if not quiet and oldstate != self.enabled:
 
779
            # Emit D-Bus signal
 
780
            self.PropertyChanged(dbus.String("Enabled"),
 
781
                                 dbus.Boolean(False, variant_level=1))
 
782
        return r
953
783
    
954
784
    def __del__(self, *args, **kwargs):
955
785
        try:
964
794
                         *args, **kwargs):
965
795
        self.checker_callback_tag = None
966
796
        self.checker = None
 
797
        # Emit D-Bus signal
 
798
        self.PropertyChanged(dbus.String("CheckerRunning"),
 
799
                             dbus.Boolean(False, variant_level=1))
967
800
        if os.WIFEXITED(condition):
968
801
            exitstatus = os.WEXITSTATUS(condition)
969
802
            # Emit D-Bus signal
979
812
        return Client.checker_callback(self, pid, condition, command,
980
813
                                       *args, **kwargs)
981
814
    
 
815
    def checked_ok(self, *args, **kwargs):
 
816
        r = Client.checked_ok(self, *args, **kwargs)
 
817
        # Emit D-Bus signal
 
818
        self.PropertyChanged(
 
819
            dbus.String("LastCheckedOK"),
 
820
            (self._datetime_to_dbus(self.last_checked_ok,
 
821
                                    variant_level=1)))
 
822
        return r
 
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
    
982
833
    def start_checker(self, *args, **kwargs):
983
834
        old_checker = self.checker
984
835
        if self.checker is not None:
991
842
            and old_checker_pid != self.checker.pid):
992
843
            # Emit D-Bus signal
993
844
            self.CheckerStarted(self.current_checker_command)
 
845
            self.PropertyChanged(
 
846
                dbus.String("CheckerRunning"),
 
847
                dbus.Boolean(True, variant_level=1))
994
848
        return r
995
849
    
 
850
    def stop_checker(self, *args, **kwargs):
 
851
        old_checker = getattr(self, "checker", None)
 
852
        r = Client.stop_checker(self, *args, **kwargs)
 
853
        if (old_checker is not None
 
854
            and getattr(self, "checker", None) is None):
 
855
            self.PropertyChanged(dbus.String("CheckerRunning"),
 
856
                                 dbus.Boolean(False, variant_level=1))
 
857
        return r
 
858
 
996
859
    def _reset_approved(self):
997
860
        self._approved = None
998
861
        return False
1000
863
    def approve(self, value=True):
1001
864
        self.send_changedstate()
1002
865
        self._approved = value
1003
 
        gobject.timeout_add(_timedelta_to_milliseconds
 
866
        gobject.timeout_add(self._timedelta_to_milliseconds
1004
867
                            (self.approval_duration),
1005
868
                            self._reset_approved)
1006
869
    
1007
870
    
1008
871
    ## D-Bus methods, signals & properties
1009
 
    _interface = "se.recompile.Mandos.Client"
 
872
    _interface = "se.bsnet.fukt.Mandos.Client"
1010
873
    
1011
874
    ## Signals
1012
875
    
1059
922
    # CheckedOK - method
1060
923
    @dbus.service.method(_interface)
1061
924
    def CheckedOK(self):
1062
 
        self.checked_ok()
 
925
        return self.checked_ok()
1063
926
    
1064
927
    # Enable - method
1065
928
    @dbus.service.method(_interface)
1098
961
        if value is None:       # get
1099
962
            return dbus.Boolean(self.approved_by_default)
1100
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))
1101
967
    
1102
968
    # ApprovalDelay - property
1103
969
    @dbus_service_property(_interface, signature="t",
1106
972
        if value is None:       # get
1107
973
            return dbus.UInt64(self.approval_delay_milliseconds())
1108
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))
1109
978
    
1110
979
    # ApprovalDuration - property
1111
980
    @dbus_service_property(_interface, signature="t",
1112
981
                           access="readwrite")
1113
982
    def ApprovalDuration_dbus_property(self, value=None):
1114
983
        if value is None:       # get
1115
 
            return dbus.UInt64(_timedelta_to_milliseconds(
 
984
            return dbus.UInt64(self._timedelta_to_milliseconds(
1116
985
                    self.approval_duration))
1117
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))
1118
990
    
1119
991
    # Name - property
1120
992
    @dbus_service_property(_interface, signature="s", access="read")
1133
1005
        if value is None:       # get
1134
1006
            return dbus.String(self.host)
1135
1007
        self.host = value
 
1008
        # Emit D-Bus signal
 
1009
        self.PropertyChanged(dbus.String("Host"),
 
1010
                             dbus.String(value, variant_level=1))
1136
1011
    
1137
1012
    # Created - property
1138
1013
    @dbus_service_property(_interface, signature="s", access="read")
1139
1014
    def Created_dbus_property(self):
1140
 
        return dbus.String(datetime_to_dbus(self.created))
 
1015
        return dbus.String(self._datetime_to_dbus(self.created))
1141
1016
    
1142
1017
    # LastEnabled - property
1143
1018
    @dbus_service_property(_interface, signature="s", access="read")
1144
1019
    def LastEnabled_dbus_property(self):
1145
 
        return datetime_to_dbus(self.last_enabled)
 
1020
        if self.last_enabled is None:
 
1021
            return dbus.String("")
 
1022
        return dbus.String(self._datetime_to_dbus(self.last_enabled))
1146
1023
    
1147
1024
    # Enabled - property
1148
1025
    @dbus_service_property(_interface, signature="b",
1162
1039
        if value is not None:
1163
1040
            self.checked_ok()
1164
1041
            return
1165
 
        return datetime_to_dbus(self.last_checked_ok)
1166
 
    
1167
 
    # Expires - property
1168
 
    @dbus_service_property(_interface, signature="s", access="read")
1169
 
    def Expires_dbus_property(self):
1170
 
        return datetime_to_dbus(self.expires)
 
1042
        if self.last_checked_ok is None:
 
1043
            return dbus.String("")
 
1044
        return dbus.String(self._datetime_to_dbus(self
 
1045
                                                  .last_checked_ok))
1171
1046
    
1172
1047
    # LastApprovalRequest - property
1173
1048
    @dbus_service_property(_interface, signature="s", access="read")
1174
1049
    def LastApprovalRequest_dbus_property(self):
1175
 
        return datetime_to_dbus(self.last_approval_request)
 
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))
1176
1055
    
1177
1056
    # Timeout - property
1178
1057
    @dbus_service_property(_interface, signature="t",
1181
1060
        if value is None:       # get
1182
1061
            return dbus.UInt64(self.timeout_milliseconds())
1183
1062
        self.timeout = datetime.timedelta(0, 0, 0, value)
 
1063
        # Emit D-Bus signal
 
1064
        self.PropertyChanged(dbus.String("Timeout"),
 
1065
                             dbus.UInt64(value, variant_level=1))
1184
1066
        if getattr(self, "disable_initiator_tag", None) is None:
1185
1067
            return
1186
1068
        # Reschedule timeout
1187
1069
        gobject.source_remove(self.disable_initiator_tag)
1188
1070
        self.disable_initiator_tag = None
1189
 
        self.expires = None
1190
1071
        time_to_die = (self.
1191
1072
                       _timedelta_to_milliseconds((self
1192
1073
                                                   .last_checked_ok
1197
1078
            # The timeout has passed
1198
1079
            self.disable()
1199
1080
        else:
1200
 
            self.expires = (datetime.datetime.utcnow()
1201
 
                            + datetime.timedelta(milliseconds =
1202
 
                                                 time_to_die))
1203
1081
            self.disable_initiator_tag = (gobject.timeout_add
1204
1082
                                          (time_to_die, self.disable))
1205
1083
    
1206
 
    # ExtendedTimeout - property
1207
 
    @dbus_service_property(_interface, signature="t",
1208
 
                           access="readwrite")
1209
 
    def ExtendedTimeout_dbus_property(self, value=None):
1210
 
        if value is None:       # get
1211
 
            return dbus.UInt64(self.extended_timeout_milliseconds())
1212
 
        self.extended_timeout = datetime.timedelta(0, 0, 0, value)
1213
 
    
1214
1084
    # Interval - property
1215
1085
    @dbus_service_property(_interface, signature="t",
1216
1086
                           access="readwrite")
1218
1088
        if value is None:       # get
1219
1089
            return dbus.UInt64(self.interval_milliseconds())
1220
1090
        self.interval = datetime.timedelta(0, 0, 0, value)
 
1091
        # Emit D-Bus signal
 
1092
        self.PropertyChanged(dbus.String("Interval"),
 
1093
                             dbus.UInt64(value, variant_level=1))
1221
1094
        if getattr(self, "checker_initiator_tag", None) is None:
1222
1095
            return
1223
1096
        # Reschedule checker run
1225
1098
        self.checker_initiator_tag = (gobject.timeout_add
1226
1099
                                      (value, self.start_checker))
1227
1100
        self.start_checker()    # Start one now, too
1228
 
    
 
1101
 
1229
1102
    # Checker - property
1230
1103
    @dbus_service_property(_interface, signature="s",
1231
1104
                           access="readwrite")
1233
1106
        if value is None:       # get
1234
1107
            return dbus.String(self.checker_command)
1235
1108
        self.checker_command = value
 
1109
        # Emit D-Bus signal
 
1110
        self.PropertyChanged(dbus.String("Checker"),
 
1111
                             dbus.String(self.checker_command,
 
1112
                                         variant_level=1))
1236
1113
    
1237
1114
    # CheckerRunning - property
1238
1115
    @dbus_service_property(_interface, signature="b",
1265
1142
        self._pipe.send(('init', fpr, address))
1266
1143
        if not self._pipe.recv():
1267
1144
            raise KeyError()
1268
 
    
 
1145
 
1269
1146
    def __getattribute__(self, name):
1270
1147
        if(name == '_pipe'):
1271
1148
            return super(ProxyClient, self).__getattribute__(name)
1278
1155
                self._pipe.send(('funcall', name, args, kwargs))
1279
1156
                return self._pipe.recv()[1]
1280
1157
            return func
1281
 
    
 
1158
 
1282
1159
    def __setattr__(self, name, value):
1283
1160
        if(name == '_pipe'):
1284
1161
            return super(ProxyClient, self).__setattr__(name, value)
1285
1162
        self._pipe.send(('setattr', name, value))
1286
1163
 
1287
 
class ClientDBusTransitional(ClientDBus):
1288
 
    __metaclass__ = AlternateDBusNamesMetaclass
1289
1164
 
1290
1165
class ClientHandler(socketserver.BaseRequestHandler, object):
1291
1166
    """A class to handle client connections.
1299
1174
                        unicode(self.client_address))
1300
1175
            logger.debug("Pipe FD: %d",
1301
1176
                         self.server.child_pipe.fileno())
1302
 
            
 
1177
 
1303
1178
            session = (gnutls.connection
1304
1179
                       .ClientSession(self.request,
1305
1180
                                      gnutls.connection
1306
1181
                                      .X509Credentials()))
1307
 
            
 
1182
 
1308
1183
            # Note: gnutls.connection.X509Credentials is really a
1309
1184
            # generic GnuTLS certificate credentials object so long as
1310
1185
            # no X.509 keys are added to it.  Therefore, we can use it
1311
1186
            # here despite using OpenPGP certificates.
1312
 
            
 
1187
 
1313
1188
            #priority = ':'.join(("NONE", "+VERS-TLS1.1",
1314
1189
            #                      "+AES-256-CBC", "+SHA1",
1315
1190
            #                      "+COMP-NULL", "+CTYPE-OPENPGP",
1321
1196
            (gnutls.library.functions
1322
1197
             .gnutls_priority_set_direct(session._c_object,
1323
1198
                                         priority, None))
1324
 
            
 
1199
 
1325
1200
            # Start communication using the Mandos protocol
1326
1201
            # Get protocol number
1327
1202
            line = self.request.makefile().readline()
1329
1204
            try:
1330
1205
                if int(line.strip().split()[0]) > 1:
1331
1206
                    raise RuntimeError
1332
 
            except (ValueError, IndexError, RuntimeError) as error:
 
1207
            except (ValueError, IndexError, RuntimeError), error:
1333
1208
                logger.error("Unknown protocol version: %s", error)
1334
1209
                return
1335
 
            
 
1210
 
1336
1211
            # Start GnuTLS connection
1337
1212
            try:
1338
1213
                session.handshake()
1339
 
            except gnutls.errors.GNUTLSError as error:
 
1214
            except gnutls.errors.GNUTLSError, error:
1340
1215
                logger.warning("Handshake failed: %s", error)
1341
1216
                # Do not run session.bye() here: the session is not
1342
1217
                # established.  Just abandon the request.
1343
1218
                return
1344
1219
            logger.debug("Handshake succeeded")
1345
 
            
 
1220
 
1346
1221
            approval_required = False
1347
1222
            try:
1348
1223
                try:
1349
1224
                    fpr = self.fingerprint(self.peer_certificate
1350
1225
                                           (session))
1351
 
                except (TypeError,
1352
 
                        gnutls.errors.GNUTLSError) as error:
 
1226
                except (TypeError, gnutls.errors.GNUTLSError), error:
1353
1227
                    logger.warning("Bad certificate: %s", error)
1354
1228
                    return
1355
1229
                logger.debug("Fingerprint: %s", fpr)
1356
 
                
 
1230
 
1357
1231
                try:
1358
1232
                    client = ProxyClient(child_pipe, fpr,
1359
1233
                                         self.client_address)
1367
1241
                
1368
1242
                while True:
1369
1243
                    if not client.enabled:
1370
 
                        logger.info("Client %s is disabled",
 
1244
                        logger.warning("Client %s is disabled",
1371
1245
                                       client.name)
1372
1246
                        if self.server.use_dbus:
1373
1247
                            # Emit D-Bus signal
1374
 
                            client.Rejected("Disabled")
 
1248
                            client.Rejected("Disabled")                    
1375
1249
                        return
1376
1250
                    
1377
1251
                    if client._approved or not client.approval_delay:
1394
1268
                        return
1395
1269
                    
1396
1270
                    #wait until timeout or approved
 
1271
                    #x = float(client._timedelta_to_milliseconds(delay))
1397
1272
                    time = datetime.datetime.now()
1398
1273
                    client.changedstate.acquire()
1399
 
                    (client.changedstate.wait
1400
 
                     (float(client._timedelta_to_milliseconds(delay)
1401
 
                            / 1000)))
 
1274
                    client.changedstate.wait(float(client._timedelta_to_milliseconds(delay) / 1000))
1402
1275
                    client.changedstate.release()
1403
1276
                    time2 = datetime.datetime.now()
1404
1277
                    if (time2 - time) >= delay:
1419
1292
                while sent_size < len(client.secret):
1420
1293
                    try:
1421
1294
                        sent = session.send(client.secret[sent_size:])
1422
 
                    except gnutls.errors.GNUTLSError as error:
 
1295
                    except (gnutls.errors.GNUTLSError), error:
1423
1296
                        logger.warning("gnutls send failed")
1424
1297
                        return
1425
1298
                    logger.debug("Sent: %d, remaining: %d",
1426
1299
                                 sent, len(client.secret)
1427
1300
                                 - (sent_size + sent))
1428
1301
                    sent_size += sent
1429
 
                
 
1302
 
1430
1303
                logger.info("Sending secret to %s", client.name)
1431
 
                # bump the timeout using extended_timeout
1432
 
                client.checked_ok(client.extended_timeout)
 
1304
                # bump the timeout as if seen
 
1305
                client.checked_ok()
1433
1306
                if self.server.use_dbus:
1434
1307
                    # Emit D-Bus signal
1435
1308
                    client.GotSecret()
1439
1312
                    client.approvals_pending -= 1
1440
1313
                try:
1441
1314
                    session.bye()
1442
 
                except gnutls.errors.GNUTLSError as error:
 
1315
                except (gnutls.errors.GNUTLSError), error:
1443
1316
                    logger.warning("GnuTLS bye failed")
1444
1317
    
1445
1318
    @staticmethod
1514
1387
        except:
1515
1388
            self.handle_error(request, address)
1516
1389
        self.close_request(request)
1517
 
    
 
1390
            
1518
1391
    def process_request(self, request, address):
1519
1392
        """Start a new process to process the request."""
1520
 
        proc = multiprocessing.Process(target = self.sub_process_main,
1521
 
                                       args = (request,
1522
 
                                               address))
1523
 
        proc.start()
1524
 
        return proc
1525
 
 
 
1393
        multiprocessing.Process(target = self.sub_process_main,
 
1394
                                args = (request, address)).start()
1526
1395
 
1527
1396
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
1528
1397
    """ adds a pipe to the MixIn """
1532
1401
        This function creates a new pipe in self.pipe
1533
1402
        """
1534
1403
        parent_pipe, self.child_pipe = multiprocessing.Pipe()
1535
 
        
1536
 
        proc = MultiprocessingMixIn.process_request(self, request,
1537
 
                                                    client_address)
 
1404
 
 
1405
        super(MultiprocessingMixInWithPipe,
 
1406
              self).process_request(request, client_address)
1538
1407
        self.child_pipe.close()
1539
 
        self.add_pipe(parent_pipe, proc)
1540
 
    
1541
 
    def add_pipe(self, parent_pipe, proc):
 
1408
        self.add_pipe(parent_pipe)
 
1409
 
 
1410
    def add_pipe(self, parent_pipe):
1542
1411
        """Dummy function; override as necessary"""
1543
1412
        raise NotImplementedError
1544
1413
 
1545
 
 
1546
1414
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1547
1415
                     socketserver.TCPServer, object):
1548
1416
    """IPv6-capable TCP server.  Accepts 'None' as address and/or port
1574
1442
                                           SO_BINDTODEVICE,
1575
1443
                                           str(self.interface
1576
1444
                                               + '\0'))
1577
 
                except socket.error as error:
 
1445
                except socket.error, error:
1578
1446
                    if error[0] == errno.EPERM:
1579
1447
                        logger.error("No permission to"
1580
1448
                                     " bind to interface %s",
1632
1500
    def server_activate(self):
1633
1501
        if self.enabled:
1634
1502
            return socketserver.TCPServer.server_activate(self)
1635
 
    
1636
1503
    def enable(self):
1637
1504
        self.enabled = True
1638
 
    
1639
 
    def add_pipe(self, parent_pipe, proc):
 
1505
    def add_pipe(self, parent_pipe):
1640
1506
        # Call "handle_ipc" for both data and EOF events
1641
1507
        gobject.io_add_watch(parent_pipe.fileno(),
1642
1508
                             gobject.IO_IN | gobject.IO_HUP,
1643
1509
                             functools.partial(self.handle_ipc,
1644
 
                                               parent_pipe =
1645
 
                                               parent_pipe,
1646
 
                                               proc = proc))
1647
 
    
 
1510
                                               parent_pipe = parent_pipe))
 
1511
        
1648
1512
    def handle_ipc(self, source, condition, parent_pipe=None,
1649
 
                   proc = None, client_object=None):
 
1513
                   client_object=None):
1650
1514
        condition_names = {
1651
1515
            gobject.IO_IN: "IN",   # There is data to read.
1652
1516
            gobject.IO_OUT: "OUT", # Data can be written (without
1661
1525
                                       for cond, name in
1662
1526
                                       condition_names.iteritems()
1663
1527
                                       if cond & condition)
1664
 
        # error, or the other end of multiprocessing.Pipe has closed
 
1528
        # error or the other end of multiprocessing.Pipe has closed
1665
1529
        if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
1666
 
            # Wait for other process to exit
1667
 
            proc.join()
1668
1530
            return False
1669
1531
        
1670
1532
        # Read a request from the child
1680
1542
                    client = c
1681
1543
                    break
1682
1544
            else:
1683
 
                logger.info("Client not found for fingerprint: %s, ad"
1684
 
                            "dress: %s", fpr, address)
 
1545
                logger.warning("Client not found for fingerprint: %s, ad"
 
1546
                               "dress: %s", fpr, address)
1685
1547
                if self.use_dbus:
1686
1548
                    # Emit D-Bus signal
1687
 
                    mandos_dbus_service.ClientNotFound(fpr,
1688
 
                                                       address[0])
 
1549
                    mandos_dbus_service.ClientNotFound(fpr, address[0])
1689
1550
                parent_pipe.send(False)
1690
1551
                return False
1691
1552
            
1692
1553
            gobject.io_add_watch(parent_pipe.fileno(),
1693
1554
                                 gobject.IO_IN | gobject.IO_HUP,
1694
1555
                                 functools.partial(self.handle_ipc,
1695
 
                                                   parent_pipe =
1696
 
                                                   parent_pipe,
1697
 
                                                   proc = proc,
1698
 
                                                   client_object =
1699
 
                                                   client))
 
1556
                                                   parent_pipe = parent_pipe,
 
1557
                                                   client_object = client))
1700
1558
            parent_pipe.send(True)
1701
 
            # remove the old hook in favor of the new above hook on
1702
 
            # same fileno
 
1559
            # remove the old hook in favor of the new above hook on same fileno
1703
1560
            return False
1704
1561
        if command == 'funcall':
1705
1562
            funcname = request[1]
1706
1563
            args = request[2]
1707
1564
            kwargs = request[3]
1708
1565
            
1709
 
            parent_pipe.send(('data', getattr(client_object,
1710
 
                                              funcname)(*args,
1711
 
                                                         **kwargs)))
1712
 
        
 
1566
            parent_pipe.send(('data', getattr(client_object, funcname)(*args, **kwargs)))
 
1567
 
1713
1568
        if command == 'getattr':
1714
1569
            attrname = request[1]
1715
1570
            if callable(client_object.__getattribute__(attrname)):
1716
1571
                parent_pipe.send(('function',))
1717
1572
            else:
1718
 
                parent_pipe.send(('data', client_object
1719
 
                                  .__getattribute__(attrname)))
 
1573
                parent_pipe.send(('data', client_object.__getattribute__(attrname)))
1720
1574
        
1721
1575
        if command == 'setattr':
1722
1576
            attrname = request[1]
1723
1577
            value = request[2]
1724
1578
            setattr(client_object, attrname, value)
1725
 
        
 
1579
 
1726
1580
        return True
1727
1581
 
1728
1582
 
1759
1613
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
1760
1614
            else:
1761
1615
                raise ValueError("Unknown suffix %r" % suffix)
1762
 
        except (ValueError, IndexError) as e:
 
1616
        except (ValueError, IndexError), e:
1763
1617
            raise ValueError(*(e.args))
1764
1618
        timevalue += delta
1765
1619
    return timevalue
1819
1673
    ##################################################################
1820
1674
    # Parsing of options, both command line and config file
1821
1675
    
1822
 
    parser = argparse.ArgumentParser()
1823
 
    parser.add_argument("-v", "--version", action="version",
1824
 
                        version = "%%(prog)s %s" % version,
1825
 
                        help="show version number and exit")
1826
 
    parser.add_argument("-i", "--interface", metavar="IF",
1827
 
                        help="Bind to interface IF")
1828
 
    parser.add_argument("-a", "--address",
1829
 
                        help="Address to listen for requests on")
1830
 
    parser.add_argument("-p", "--port", type=int,
1831
 
                        help="Port number to receive requests on")
1832
 
    parser.add_argument("--check", action="store_true",
1833
 
                        help="Run self-test")
1834
 
    parser.add_argument("--debug", action="store_true",
1835
 
                        help="Debug mode; run in foreground and log"
1836
 
                        " to terminal")
1837
 
    parser.add_argument("--debuglevel", metavar="LEVEL",
1838
 
                        help="Debug level for stdout output")
1839
 
    parser.add_argument("--priority", help="GnuTLS"
1840
 
                        " priority string (see GnuTLS documentation)")
1841
 
    parser.add_argument("--servicename",
1842
 
                        metavar="NAME", help="Zeroconf service name")
1843
 
    parser.add_argument("--configdir",
1844
 
                        default="/etc/mandos", metavar="DIR",
1845
 
                        help="Directory to search for configuration"
1846
 
                        " files")
1847
 
    parser.add_argument("--no-dbus", action="store_false",
1848
 
                        dest="use_dbus", help="Do not provide D-Bus"
1849
 
                        " system bus interface")
1850
 
    parser.add_argument("--no-ipv6", action="store_false",
1851
 
                        dest="use_ipv6", help="Do not use IPv6")
1852
 
    options = parser.parse_args()
 
1676
    parser = optparse.OptionParser(version = "%%prog %s" % version)
 
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")
 
1703
    options = parser.parse_args()[0]
1853
1704
    
1854
1705
    if options.check:
1855
1706
        import doctest
1907
1758
    debuglevel = server_settings["debuglevel"]
1908
1759
    use_dbus = server_settings["use_dbus"]
1909
1760
    use_ipv6 = server_settings["use_ipv6"]
1910
 
    
 
1761
 
1911
1762
    if server_settings["servicename"] != "Mandos":
1912
1763
        syslogger.setFormatter(logging.Formatter
1913
1764
                               ('Mandos (%s) [%%(process)d]:'
1915
1766
                                % server_settings["servicename"]))
1916
1767
    
1917
1768
    # Parse config file with clients
1918
 
    client_defaults = { "timeout": "5m",
1919
 
                        "extended_timeout": "15m",
1920
 
                        "interval": "2m",
 
1769
    client_defaults = { "timeout": "1h",
 
1770
                        "interval": "5m",
1921
1771
                        "checker": "fping -q -- %%(host)s",
1922
1772
                        "host": "",
1923
1773
                        "approval_delay": "0s",
1963
1813
    try:
1964
1814
        os.setgid(gid)
1965
1815
        os.setuid(uid)
1966
 
    except OSError as error:
 
1816
    except OSError, error:
1967
1817
        if error[0] != errno.EPERM:
1968
1818
            raise error
1969
1819
    
1974
1824
        level = getattr(logging, debuglevel.upper())
1975
1825
        syslogger.setLevel(level)
1976
1826
        console.setLevel(level)
1977
 
    
 
1827
 
1978
1828
    if debug:
1979
1829
        # Enable all possible GnuTLS debugging
1980
1830
        
2011
1861
    # End of Avahi example code
2012
1862
    if use_dbus:
2013
1863
        try:
2014
 
            bus_name = dbus.service.BusName("se.recompile.Mandos",
 
1864
            bus_name = dbus.service.BusName("se.bsnet.fukt.Mandos",
2015
1865
                                            bus, do_not_queue=True)
2016
 
            old_bus_name = (dbus.service.BusName
2017
 
                            ("se.bsnet.fukt.Mandos", bus,
2018
 
                             do_not_queue=True))
2019
 
        except dbus.exceptions.NameExistsException as e:
 
1866
        except dbus.exceptions.NameExistsException, e:
2020
1867
            logger.error(unicode(e) + ", disabling D-Bus")
2021
1868
            use_dbus = False
2022
1869
            server_settings["use_dbus"] = False
2034
1881
    
2035
1882
    client_class = Client
2036
1883
    if use_dbus:
2037
 
        client_class = functools.partial(ClientDBusTransitional,
2038
 
                                         bus = bus)
 
1884
        client_class = functools.partial(ClientDBus, bus = bus)
2039
1885
    def client_config_items(config, section):
2040
1886
        special_settings = {
2041
1887
            "approved_by_default":
2071
1917
        del pidfilename
2072
1918
        
2073
1919
        signal.signal(signal.SIGINT, signal.SIG_IGN)
2074
 
    
 
1920
 
2075
1921
    signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2076
1922
    signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
2077
1923
    
2080
1926
            """A D-Bus proxy object"""
2081
1927
            def __init__(self):
2082
1928
                dbus.service.Object.__init__(self, bus, "/")
2083
 
            _interface = "se.recompile.Mandos"
 
1929
            _interface = "se.bsnet.fukt.Mandos"
2084
1930
            
2085
1931
            @dbus.service.signal(_interface, signature="o")
2086
1932
            def ClientAdded(self, objpath):
2128
1974
            
2129
1975
            del _interface
2130
1976
        
2131
 
        class MandosDBusServiceTransitional(MandosDBusService):
2132
 
            __metaclass__ = AlternateDBusNamesMetaclass
2133
 
        mandos_dbus_service = MandosDBusServiceTransitional()
 
1977
        mandos_dbus_service = MandosDBusService()
2134
1978
    
2135
1979
    def cleanup():
2136
1980
        "Cleanup function; run on exit"
2137
1981
        service.cleanup()
2138
1982
        
2139
 
        multiprocessing.active_children()
2140
1983
        while tcp_server.clients:
2141
1984
            client = tcp_server.clients.pop()
2142
1985
            if use_dbus:
2146
1989
            client.disable(quiet=True)
2147
1990
            if use_dbus:
2148
1991
                # Emit D-Bus signal
2149
 
                mandos_dbus_service.ClientRemoved(client
2150
 
                                                  .dbus_object_path,
 
1992
                mandos_dbus_service.ClientRemoved(client.dbus_object_path,
2151
1993
                                                  client.name)
2152
1994
    
2153
1995
    atexit.register(cleanup)
2177
2019
        # From the Avahi example code
2178
2020
        try:
2179
2021
            service.activate()
2180
 
        except dbus.exceptions.DBusException as error:
 
2022
        except dbus.exceptions.DBusException, error:
2181
2023
            logger.critical("DBusException: %s", error)
2182
2024
            cleanup()
2183
2025
            sys.exit(1)
2190
2032
        
2191
2033
        logger.debug("Starting main loop")
2192
2034
        main_loop.run()
2193
 
    except AvahiError as error:
 
2035
    except AvahiError, error:
2194
2036
        logger.critical("AvahiError: %s", error)
2195
2037
        cleanup()
2196
2038
        sys.exit(1)
2202
2044
    # Must run before the D-Bus bus name gets deregistered
2203
2045
    cleanup()
2204
2046
 
2205
 
 
2206
2047
if __name__ == '__main__':
2207
2048
    main()