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  • Committer: Teddy Hogeborn
  • Date: 2008-08-07 22:30:45 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080807223045-58y7vw4bcqlmesv5
* network-protocol.txt: Flip table.

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mandos
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from dbus.mainloop.glib import DBusGMainLoop
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import ctypes
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64
 
version = "1.0"
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logger = logging.Logger('mandos')
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syslogger = logging.handlers.SysLogHandler\
68
 
            (facility = logging.handlers.SysLogHandler.LOG_DAEMON,
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             address = "/dev/log")
 
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            (facility = logging.handlers.SysLogHandler.LOG_DAEMON)
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syslogger.setFormatter(logging.Formatter\
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                        ('Mandos: %(levelname)s: %(message)s'))
 
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                        ('%(levelname)s: %(message)s'))
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logger.addHandler(syslogger)
 
71
del syslogger
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72
 
74
 
console = logging.StreamHandler()
75
 
console.setFormatter(logging.Formatter('%(name)s: %(levelname)s:'
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                                       ' %(message)s'))
77
 
logger.addHandler(console)
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79
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class AvahiError(Exception):
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    def __init__(self, value):
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    """
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    def __init__(self, interface = avahi.IF_UNSPEC, name = None,
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                 type = None, port = None, TXT = None, domain = "",
110
 
                 host = "", max_renames = 32768):
 
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                 host = "", max_renames = 12):
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        self.interface = interface
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        self.name = name
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        self.type = type
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        self.domain = domain
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        self.host = host
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        self.rename_count = 0
122
 
        self.max_renames = max_renames
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    def rename(self):
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        """Derived from the Avahi example code"""
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        if self.rename_count >= self.max_renames:
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            logger.critical(u"No suitable service name found after %i"
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                            u" retries, exiting.", rename_count)
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            raise AvahiServiceError("Too many renames")
129
 
        self.name = server.GetAlternativeServiceName(self.name)
130
 
        logger.info(u"Changing name to %r ...", str(self.name))
131
 
        syslogger.setFormatter(logging.Formatter\
132
 
                               ('Mandos (%s): %%(levelname)s:'
133
 
                               ' %%(message)s' % self.name))
 
123
        name = server.GetAlternativeServiceName(name)
 
124
        logger.error(u"Changing name to %r ...", name)
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        self.remove()
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        self.add()
136
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        self.rename_count += 1
172
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    fingerprint: string (40 or 32 hexadecimal digits); used to
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                 uniquely identify the client
174
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    secret:    bytestring; sent verbatim (over TLS) to client
175
 
    host:      string; available for use by the checker command
 
166
    fqdn:      string (FQDN); available for use by the checker command
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    created:   datetime.datetime(); object creation, not client host
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    last_checked_ok: datetime.datetime() or None if not yet checked OK
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    timeout:   datetime.timedelta(); How long from last_checked_ok
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        else:
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            raise TypeError(u"No secret or secfile for client %s"
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                            % self.name)
242
 
        self.host = config.get("host", "")
 
233
        self.fqdn = config.get("fqdn", "")
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        self.created = datetime.datetime.now()
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        self.last_checked_ok = None
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        self.timeout = string_to_delta(config["timeout"])
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        The possibility that a client might be restarted is left open,
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        but not currently used."""
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        # If this client doesn't have a secret, it is already stopped.
271
 
        if hasattr(self, "secret") and self.secret:
 
262
        if self.secret:
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            logger.info(u"Stopping client %s", self.name)
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            self.secret = None
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        else:
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        if self.checker is None:
323
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            try:
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                # In case check_command has exactly one % operator
325
 
                command = self.check_command % self.host
 
316
                command = self.check_command % self.fqdn
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            except TypeError:
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                # Escape attributes for the shell
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                escaped_attrs = dict((key, re.escape(str(val)))
355
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            self.checker_callback_tag = None
356
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        if getattr(self, "checker", None) is None:
357
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            return
358
 
        logger.debug(u"Stopping checker for %(name)s", vars(self))
 
349
        logger.debug("Stopping checker for %(name)s", vars(self))
359
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        try:
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            os.kill(self.checker.pid, signal.SIGTERM)
361
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            #os.sleep(0.5)
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                in6addr_any = "::"
538
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                self.server_address = (in6addr_any,
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                                       self.server_address[1])
540
 
            elif not self.server_address[1]:
 
531
            elif self.server_address[1] is None:
541
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                self.server_address = (self.server_address[0],
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                                       0)
543
 
#                 if self.settings["interface"]:
544
 
#                     self.server_address = (self.server_address[0],
545
 
#                                            0, # port
546
 
#                                            0, # flowinfo
547
 
#                                            if_nametoindex
548
 
#                                            (self.settings
549
 
#                                             ["interface"]))
550
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            return super(type(self), self).server_bind()
551
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552
536
 
563
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    datetime.timedelta(1)
564
548
    >>> string_to_delta(u'1w')
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    datetime.timedelta(7)
566
 
    >>> string_to_delta('5m 30s')
567
 
    datetime.timedelta(0, 330)
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    """
569
 
    timevalue = datetime.timedelta(0)
570
 
    for s in interval.split():
571
 
        try:
572
 
            suffix=unicode(s[-1])
573
 
            value=int(s[:-1])
574
 
            if suffix == u"d":
575
 
                delta = datetime.timedelta(value)
576
 
            elif suffix == u"s":
577
 
                delta = datetime.timedelta(0, value)
578
 
            elif suffix == u"m":
579
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
580
 
            elif suffix == u"h":
581
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
582
 
            elif suffix == u"w":
583
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
584
 
            else:
585
 
                raise ValueError
586
 
        except (ValueError, IndexError):
 
551
    try:
 
552
        suffix=unicode(interval[-1])
 
553
        value=int(interval[:-1])
 
554
        if suffix == u"d":
 
555
            delta = datetime.timedelta(value)
 
556
        elif suffix == u"s":
 
557
            delta = datetime.timedelta(0, value)
 
558
        elif suffix == u"m":
 
559
            delta = datetime.timedelta(0, 0, 0, 0, value)
 
560
        elif suffix == u"h":
 
561
            delta = datetime.timedelta(0, 0, 0, 0, 0, value)
 
562
        elif suffix == u"w":
 
563
            delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
 
564
        else:
587
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            raise ValueError
588
 
        timevalue += delta
589
 
    return timevalue
 
566
    except (ValueError, IndexError):
 
567
        raise ValueError
 
568
    return delta
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591
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592
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def server_state_changed(state):
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    global main_loop_started
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    main_loop_started = False
666
645
    
667
 
    parser = OptionParser(version = "%%prog %s" % version)
 
646
    parser = OptionParser()
668
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    parser.add_option("-i", "--interface", type="string",
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                      metavar="IF", help="Bind to interface IF")
670
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    parser.add_option("-a", "--address", type="string",
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                      help="Port number to receive requests on")
674
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    parser.add_option("--check", action="store_true", default=False,
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                      help="Run self-test")
676
 
    parser.add_option("--debug", action="store_true",
 
655
    parser.add_option("--debug", action="store_true", default=False,
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                      help="Debug mode; run in foreground and log to"
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                      " terminal")
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    parser.add_option("--priority", type="string", help="GnuTLS"
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    server_config = ConfigParser.SafeConfigParser(server_defaults)
706
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    del server_defaults
707
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    server_config.read(os.path.join(options.configdir, "mandos.conf"))
 
687
    server_section = "server"
708
688
    # Convert the SafeConfigParser object to a dict
709
 
    server_settings = server_config.defaults()
 
689
    server_settings = dict(server_config.items(server_section))
710
690
    # Use getboolean on the boolean config option
711
691
    server_settings["debug"] = server_config.getboolean\
712
 
                               ("DEFAULT", "debug")
 
692
                               (server_section, "debug")
713
693
    del server_config
714
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715
695
    # Override the settings from the config file with command line
722
702
    del options
723
703
    # Now we have our good server settings in "server_settings"
724
704
    
725
 
    debug = server_settings["debug"]
726
 
    
727
 
    if not debug:
728
 
        syslogger.setLevel(logging.WARNING)
729
 
        console.setLevel(logging.WARNING)
730
 
    
731
 
    if server_settings["servicename"] != "Mandos":
732
 
        syslogger.setFormatter(logging.Formatter\
733
 
                               ('Mandos (%s): %%(levelname)s:'
734
 
                                ' %%(message)s'
735
 
                                % server_settings["servicename"]))
736
 
    
737
705
    # Parse config file with clients
738
706
    client_defaults = { "timeout": "1h",
739
707
                        "interval": "5m",
740
 
                        "checker": "fping -q -- %%(host)s",
741
 
                        "host": "",
 
708
                        "checker": "fping -q -- %%(fqdn)s",
742
709
                        }
743
710
    client_config = ConfigParser.SafeConfigParser(client_defaults)
744
711
    client_config.read(os.path.join(server_settings["configdir"],
762
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            avahi.DBUS_INTERFACE_SERVER )
763
730
    # End of Avahi example code
764
731
    
 
732
    debug = server_settings["debug"]
 
733
    
 
734
    if debug:
 
735
        console = logging.StreamHandler()
 
736
        # console.setLevel(logging.DEBUG)
 
737
        console.setFormatter(logging.Formatter\
 
738
                             ('%(levelname)s: %(message)s'))
 
739
        logger.addHandler(console)
 
740
        del console
 
741
    
765
742
    clients = Set()
766
743
    def remove_from_clients(client):
767
744
        clients.remove(client)
774
751
                              config
775
752
                              = dict(client_config.items(section)))
776
753
                       for section in client_config.sections()))
777
 
    if not clients:
778
 
        logger.critical(u"No clients defined")
779
 
        sys.exit(1)
780
754
    
781
755
    if not debug:
782
 
        logger.removeHandler(console)
783
756
        daemon()
784
757
    
785
 
    pidfilename = "/var/run/mandos/mandos.pid"
786
 
    pid = os.getpid()
787
 
    try:
788
 
        pidfile = open(pidfilename, "w")
789
 
        pidfile.write(str(pid) + "\n")
790
 
        pidfile.close()
791
 
        del pidfile
792
 
    except IOError, err:
793
 
        logger.error(u"Could not write %s file with PID %d",
794
 
                     pidfilename, os.getpid())
795
 
    
796
758
    def cleanup():
797
759
        "Cleanup function; run on exit"
798
760
        global group
844
806
                             tcp_server.handle_request\
845
807
                             (*args[2:], **kwargs) or True)
846
808
        
847
 
        logger.debug(u"Starting main loop")
 
809
        logger.debug("Starting main loop")
848
810
        main_loop_started = True
849
811
        main_loop.run()
850
812
    except AvahiError, error: