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  • Committer: Teddy Hogeborn
  • Date: 2008-09-04 07:30:58 UTC
  • mfrom: (24.1.87 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20080904073058-h21spydersnh8jml
* README: Improved wording.

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mandos
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#     GNU General Public License for more details.
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# 
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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# along with this program.  If not, see
 
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# <http://www.gnu.org/licenses/>.
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# 
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# Contact the authors at <mandos@fukt.bsnet.se>.
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# 
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        self.domain = domain
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        self.host = host
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        self.rename_count = 0
 
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        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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            logger.critical(u"No suitable Zeroconf service name found"
 
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                            u" after %i retries, exiting.",
 
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                            rename_count)
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            raise AvahiServiceError("Too many renames")
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        name = server.GetAlternativeServiceName(name)
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        logger.error(u"Changing name to %r ...", name)
 
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        self.name = server.GetAlternativeServiceName(self.name)
 
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        logger.info(u"Changing Zeroconf service name to %r ...",
 
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                    str(self.name))
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        syslogger.setFormatter(logging.Formatter\
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                               ('Mandos (%s): %%(levelname)s:'
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                               ' %%(message)s' % name))
 
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                               ' %%(message)s' % self.name))
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        self.remove()
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        self.add()
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        self.rename_count += 1
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                     avahi.DBUS_INTERFACE_ENTRY_GROUP)
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            group.connect_to_signal('StateChanged',
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                                    entry_group_state_changed)
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        logger.debug(u"Adding service '%s' of type '%s' ...",
 
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        logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
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                     service.name, service.type)
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        group.AddService(
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                self.interface,         # interface
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            try:
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                logger.info(u"Starting checker %r for %s",
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                            command, self.name)
 
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                # We don't need to redirect stdout and stderr, since
 
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                # in normal mode, that is already done by daemon(),
 
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                # and in debug mode we don't want to.  (Stdin is
 
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                # always replaced by /dev/null.)
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                self.checker = subprocess.Popen(command,
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                                                close_fds=True,
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                                                shell=True, cwd="/")
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                self.checker_callback_tag = gobject.child_watch_add\
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                                            (self.checker.pid,
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                                             self.checker_callback)
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            except subprocess.OSError, error:
 
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            except OSError, error:
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                logger.error(u"Failed to start subprocess: %s",
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                             error)
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        # Re-run this periodically if run by gobject.timeout_add
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    gnutls.library.functions.gnutls_openpgp_crt_import\
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                    (crt, ctypes.byref(datum),
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                     gnutls.library.constants.GNUTLS_OPENPGP_FMT_RAW)
 
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    # Verify the self signature in the key
 
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    crtverify = ctypes.c_uint();
 
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    gnutls.library.functions.gnutls_openpgp_crt_verify_self\
 
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        (crt, 0, ctypes.byref(crtverify))
 
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    if crtverify.value != 0:
 
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        gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
 
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        raise gnutls.errors.CertificateSecurityError("Verify failed")
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    # New buffer for the fingerprint
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    buffer = ctypes.create_string_buffer(20)
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    buffer_length = ctypes.c_size_t()
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    datetime.timedelta(1)
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    >>> string_to_delta(u'1w')
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    datetime.timedelta(7)
 
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    >>> string_to_delta('5m 30s')
 
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    datetime.timedelta(0, 330)
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    """
566
 
    try:
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        suffix=unicode(interval[-1])
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        value=int(interval[:-1])
569
 
        if suffix == u"d":
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            delta = datetime.timedelta(value)
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        elif suffix == u"s":
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            delta = datetime.timedelta(0, value)
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        elif suffix == u"m":
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            delta = datetime.timedelta(0, 0, 0, 0, value)
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        elif suffix == u"h":
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            delta = datetime.timedelta(0, 0, 0, 0, 0, value)
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        elif suffix == u"w":
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            delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
579
 
        else:
 
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    timevalue = datetime.timedelta(0)
 
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    for s in interval.split():
 
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        try:
 
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            suffix=unicode(s[-1])
 
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            value=int(s[:-1])
 
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            if suffix == u"d":
 
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                delta = datetime.timedelta(value)
 
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            elif suffix == u"s":
 
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                delta = datetime.timedelta(0, value)
 
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            elif suffix == u"m":
 
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                delta = datetime.timedelta(0, 0, 0, 0, value)
 
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            elif suffix == u"h":
 
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                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
 
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            elif suffix == u"w":
 
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                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
 
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            else:
 
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                raise ValueError
 
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        except (ValueError, IndexError):
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            raise ValueError
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    except (ValueError, IndexError):
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        raise ValueError
583
 
    return delta
 
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        timevalue += delta
 
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    return timevalue
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def server_state_changed(state):
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    """Derived from the Avahi example code"""
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    if state == avahi.SERVER_COLLISION:
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        logger.error(u"Server name collision")
 
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        logger.error(u"Zeroconf server name collision")
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        service.remove()
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    elif state == avahi.SERVER_RUNNING:
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        service.add()
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def entry_group_state_changed(state, error):
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    """Derived from the Avahi example code"""
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    logger.debug(u"state change: %i", state)
 
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    logger.debug(u"Avahi state change: %i", state)
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    if state == avahi.ENTRY_GROUP_ESTABLISHED:
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        logger.debug(u"Service established.")
 
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        logger.debug(u"Zeroconf service established.")
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    elif state == avahi.ENTRY_GROUP_COLLISION:
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        logger.warning(u"Service name collision.")
 
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        logger.warning(u"Zeroconf service name collision.")
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        service.rename()
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    elif state == avahi.ENTRY_GROUP_FAILURE:
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        logger.critical(u"Error in group state changed %s",
 
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        logger.critical(u"Avahi: Error in group state changed %s",
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                        unicode(error))
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        raise AvahiGroupError("State changed: %s", str(error))
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    server_config = ConfigParser.SafeConfigParser(server_defaults)
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    del server_defaults
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    server_config.read(os.path.join(options.configdir, "mandos.conf"))
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    server_section = "server"
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    # Convert the SafeConfigParser object to a dict
704
 
    server_settings = dict(server_config.items(server_section))
 
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    server_settings = server_config.defaults()
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    # Use getboolean on the boolean config option
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    server_settings["debug"] = server_config.getboolean\
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                               (server_section, "debug")
 
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                               ("DEFAULT", "debug")
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    del server_config
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    # Override the settings from the config file with command line
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    # Parse config file with clients
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    client_defaults = { "timeout": "1h",
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                        "interval": "5m",
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                        "checker": "fping -q -- %%(host)s",
 
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                        "checker": "fping -q -- %(host)s",
 
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                        "host": "",
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                        }
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    client_config = ConfigParser.SafeConfigParser(client_defaults)
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    client_config.read(os.path.join(server_settings["configdir"],
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    service = AvahiService(name = server_settings["servicename"],
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                           type = "_mandos._tcp", );
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    if server_settings["interface"]:
745
 
        service.interface = if_nametoindex(server_settings["interface"])
 
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        service.interface = if_nametoindex\
 
766
                            (server_settings["interface"])
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    global main_loop
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    global bus
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    DBusGMainLoop(set_as_default=True )
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    main_loop = gobject.MainLoop()
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    bus = dbus.SystemBus()
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    server = dbus.Interface(
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            bus.get_object( avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER ),
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            avahi.DBUS_INTERFACE_SERVER )
 
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    server = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
 
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                                           avahi.DBUS_PATH_SERVER),
 
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                            avahi.DBUS_INTERFACE_SERVER)
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    # End of Avahi example code
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    clients = Set()
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        logger.critical(u"No clients defined")
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        sys.exit(1)
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775
 
    if not debug:
 
796
    if debug:
 
797
        # Redirect stdin so all checkers get /dev/null
 
798
        null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
 
799
        os.dup2(null, sys.stdin.fileno())
 
800
        if null > 2:
 
801
            os.close(null)
 
802
    else:
 
803
        # No console logging
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        logger.removeHandler(console)
 
805
        # Close all input and output, do double fork, etc.
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        daemon()
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    pidfilename = "/var/run/mandos/mandos.pid"