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Viewing changes to server.py

  • Committer: Teddy Hogeborn
  • Date: 2008-08-04 16:23:20 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080804162320-f53t0btf99kjn57e
* plugins.d/mandosclient.c: Cosmetic changes.

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Lines of Context:
server.py
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                            u" retries, exiting.", 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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        logger.notice(u"Changing name to %r ...", 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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    interval = property(lambda self: self._interval,
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                        _set_interval)
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    del _set_interval
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    def __init__(self, name = None, stop_hook=None, config={}):
 
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    def __init__(self, name=None, stop_hook=None, fingerprint=None,
 
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                 secret=None, secfile=None, fqdn=None, timeout=None,
 
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                 interval=-1, checker=None):
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        """Note: the 'checker' argument sets the 'checker_command'
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        attribute and not the 'checker' attribute.."""
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        self.name = name
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        # Uppercase and remove spaces from fingerprint
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        # for later comparison purposes with return value of
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        # the fingerprint() function
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        self.fingerprint = config["fingerprint"].upper()\
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                           .replace(u" ", u"")
 
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        self.fingerprint = fingerprint.upper().replace(u" ", u"")
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        logger.debug(u"  Fingerprint: %s", self.fingerprint)
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        if "secret" in config:
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            self.secret = config["secret"].decode(u"base64")
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        elif "secfile" in config:
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            sf = open(config["secfile"])
 
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        if secret:
 
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            self.secret = secret.decode(u"base64")
 
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        elif secfile:
 
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            sf = open(secfile)
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            self.secret = sf.read()
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            sf.close()
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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)
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        self.fqdn = config.get("fqdn", "")
 
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        self.fqdn = 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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        self.interval = string_to_delta(config["interval"])
 
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        self.timeout = string_to_delta(timeout)
 
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        self.interval = string_to_delta(interval)
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        self.stop_hook = stop_hook
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        self.checker = None
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        self.checker_initiator_tag = None
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        self.stop_initiator_tag = None
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        self.checker_callback_tag = None
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        self.check_command = config["checker"]
 
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        self.check_command = checker
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    def start(self):
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        """Start this client's checker and timeout hooks"""
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        # Schedule a new checker to be started an 'interval' from now,
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        but not currently used."""
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        # If this client doesn't have a secret, it is already stopped.
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        if self.secret:
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            logger.info(u"Stopping client %s", self.name)
 
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            logger.debug(u"Stopping client %s", self.name)
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            self.secret = None
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        else:
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            return False
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        self.checker = None
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        if os.WIFEXITED(condition) \
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               and (os.WEXITSTATUS(condition) == 0):
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            logger.info(u"Checker for %(name)s succeeded",
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                        vars(self))
 
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            logger.debug(u"Checker for %(name)s succeeded",
 
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                         vars(self))
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            self.last_checked_ok = now
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            gobject.source_remove(self.stop_initiator_tag)
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            self.stop_initiator_tag = gobject.timeout_add\
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            logger.warning(u"Checker for %(name)s crashed?",
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                           vars(self))
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        else:
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            logger.info(u"Checker for %(name)s failed",
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                        vars(self))
 
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            logger.debug(u"Checker for %(name)s failed",
 
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                         vars(self))
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    def start_checker(self):
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        """Start a new checker subprocess if one is not running.
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        If a checker already exists, leave it running and do
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                                 u' %s', self.check_command, error)
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                    return True # Try again later
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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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                logger.debug(u"Starting checker %r for %s",
 
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                             command, self.name)
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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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    Note: This will run in its own forked process."""
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    def handle(self):
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        logger.info(u"TCP connection from: %s",
 
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        logger.debug(u"TCP connection from: %s",
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                     unicode(self.client_address))
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        session = gnutls.connection.ClientSession\
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                  (self.request, gnutls.connection.X509Credentials())
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        try:
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            session.handshake()
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        except gnutls.errors.GNUTLSError, error:
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            logger.warning(u"Handshake failed: %s", error)
 
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            logger.debug(u"Handshake failed: %s", error)
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            # Do not run session.bye() here: the session is not
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            # established.  Just abandon the request.
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            return
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        try:
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            fpr = fingerprint(peer_certificate(session))
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        except (TypeError, gnutls.errors.GNUTLSError), error:
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            logger.warning(u"Bad certificate: %s", error)
 
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            logger.debug(u"Bad certificate: %s", error)
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            session.bye()
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            return
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        logger.debug(u"Fingerprint: %s", fpr)
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                client = c
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                break
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        if not client:
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            logger.warning(u"Client not found for fingerprint: %s",
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                           fpr)
 
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            logger.debug(u"Client not found for fingerprint: %s", fpr)
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            session.bye()
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            return
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        # Have to check if client.still_valid(), since it is possible
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        # that the client timed out while establishing the GnuTLS
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        # session.
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        if not client.still_valid():
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            logger.warning(u"Client %(name)s is invalid",
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                           vars(client))
 
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            logger.debug(u"Client %(name)s is invalid", vars(client))
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            session.bye()
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            return
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        sent_size = 0
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                                       self.settings["interface"])
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            except socket.error, error:
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                if error[0] == errno.EPERM:
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                    logger.error(u"No permission to"
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                                 u" bind to interface %s",
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                                 self.settings["interface"])
 
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                    logger.warning(u"No permission to"
 
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                                   u" bind to interface %s",
 
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                                   self.settings["interface"])
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                else:
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                    raise error
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        # Only bind(2) the socket if we really need to.
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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.warning(u"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 remove_from_clients(client):
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        clients.remove(client)
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        if not clients:
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            logger.critical(u"No clients left, exiting")
 
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            logger.debug(u"No clients left, exiting")
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            sys.exit()
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    clients.update(Set(Client(name = section,
 
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    clients.update(Set(Client(name=section,
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                              stop_hook = remove_from_clients,
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                              config
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                              = dict(client_config.items(section)))
 
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                              **(dict(client_config\
 
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                                      .items(section))))
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                       for section in client_config.sections()))
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    if not debug:
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                                clients=clients)
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    # Find out what port we got
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    service.port = tcp_server.socket.getsockname()[1]
799
 
    logger.info(u"Now listening on address %r, port %d, flowinfo %d,"
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                u" scope_id %d" % tcp_server.socket.getsockname())
 
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    logger.debug(u"Now listening on address %r, port %d, flowinfo %d,"
 
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                 u" scope_id %d" % tcp_server.socket.getsockname())
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    #service.interface = tcp_server.socket.getsockname()[3]
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