Python socket.getfqdn() Examples

def get_host_ip(hostIP=None):
    if hostIP is None or hostIP == 'auto':
        hostIP = 'ip'

    if hostIP == 'dns':
        hostIP = socket.getfqdn()
    elif hostIP == 'ip':
        from socket import gaierror
        try:
            hostIP = socket.gethostbyname(socket.getfqdn())
        except gaierror:
            logger.warn('gethostbyname(socket.getfqdn()) failed... trying on hostname()')
            hostIP = socket.gethostbyname(socket.gethostname())
        if hostIP.startswith("127."):
            s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
            # doesn't have to be reachable
            s.connect(('10.255.255.255', 1))
            hostIP = s.getsockname()[0]
    return hostIP 

def getfqdn(address, timeout=0.5):
    # note: cannot use timeout lib because signal must be run from the
    #       main thread

    result = [address]

    def helper():
        result[0] = socket.getfqdn(address)

    t = threading.Thread(target=helper)

    t.daemon = True
    t.start()

    t.join(timeout)

    return result[0] 

def ptr_lookup(cls, network):
        ip = str(ipaddress.ip_interface(network).ip)
        try:
            primary_hostname, alias_hostnames, other_ips = socket.gethostbyaddr(ip)
        except socket.herror as e:
            logger.debug('DNS Reverse Lookup Error {}'.format(e))
            return Html.div('DNS: n/a')

        content = Html.div(
            'DNS: {}'.format(
                socket.getfqdn(primary_hostname)
            )
        )

        if alias_hostnames:
            content += Html.div('DNS Aliases:')
        for hostname in alias_hostnames:
            fqdn_hostname = socket.getfqdn(hostname)
            logger.debug('Alias {} FQDN {}'.format(hostname, fqdn_hostname))
            content += Html.div(fqdn_hostname)
        return content 

def __init__(self, server, conn, addr):
        asynchat.async_chat.__init__(self, conn)
        self.__server = server
        self.__conn = conn
        self.__addr = addr
        self.__line = []
        self.__state = self.COMMAND
        self.__greeting = 0
        self.__mailfrom = None
        self.__rcpttos = []
        self.__data = ''
        self.__fqdn = socket.getfqdn()
        try:
            self.__peer = conn.getpeername()
        except socket.error, err:
            # a race condition  may occur if the other end is closing
            # before we can get the peername
            self.close()
            if err[0] != errno.ENOTCONN:
                raise
            return 

def make_msgid(idstring=None, domain=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.  Optional domain if given provides the
    portion of the message id after the '@'.  It defaults to the locally
    defined hostname.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    if domain is None:
        domain = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, domain)
    return msgid 

def testHostnameRes(self):
        # Testing hostname resolution mechanisms
        hostname = socket.gethostname()
        try:
            ip = socket.gethostbyname(hostname)
        except socket.error:
            # Probably name lookup wasn't set up right; skip this test
            self.skipTest('name lookup failure')
        self.assertTrue(ip.find('.') >= 0, "Error resolving host to ip.")
        try:
            hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
        except socket.error:
            # Probably a similar problem as above; skip this test
            self.skipTest('address lookup failure')
        all_host_names = [hostname, hname] + aliases
        fqhn = socket.getfqdn(ip)
        if not fqhn in all_host_names:
            self.fail("Error testing host resolution mechanisms. (fqdn: %s, all: %s)" % (fqhn, repr(all_host_names))) 

def testHostnameRes(self):
        # Testing hostname resolution mechanisms
        hostname = socket.gethostname()
        try:
            ip = socket.gethostbyname(hostname)
        except socket.error:
            # Probably name lookup wasn't set up right; skip this test
            self.skipTest('name lookup failure')
        self.assertTrue(ip.find('.') >= 0, "Error resolving host to ip.")
        try:
            hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
        except socket.error:
            # Probably a similar problem as above; skip this test
            self.skipTest('address lookup failure')
        all_host_names = [hostname, hname] + aliases
        fqhn = socket.getfqdn(ip)
        if not fqhn in all_host_names:
            self.fail("Error testing host resolution mechanisms. (fqdn: %s, all: %s)" % (fqhn, repr(all_host_names))) 

def make_msgid(idstring=None, domain=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.  Optional domain if given provides the
    portion of the message id after the '@'.  It defaults to the locally
    defined hostname.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    if domain is None:
        domain = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, domain)
    return msgid 

def host_is_local(hostname, port=22): # no port specified, just use the ssh port
    """
    Returns True if the hostname points to the localhost, otherwise False.
    """
    hostname = socket.getfqdn(hostname)
    if hostname in ("localhost", "0.0.0.0", "127.0.0.1", "1.0.0.127.in-addr.arpa",
                    "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa"):
        return True
    localhost = socket.gethostname()
    if hostname == localhost:
        return True
    localaddrs = socket.getaddrinfo(localhost, port)
    targetaddrs = socket.getaddrinfo(hostname, port)
    for (ignored_family, ignored_socktype, ignored_proto, ignored_canonname,
         sockaddr) in localaddrs:
        for (ignored_rfamily, ignored_rsocktype, ignored_rproto,
             ignored_rcanonname, rsockaddr) in targetaddrs:
            if rsockaddr[0] == sockaddr[0]:
                return True
    return False 

def test_host_is_local():
    """test for neat.distributed.host_is_local"""
    tests = (
        # (hostname or ip, expected value)
        ("localhost", True),
        ("0.0.0.0", True),
        ("127.0.0.1", True),
        # ("::1", True), # depends on IP, etc setup on host to work right
        (socket.gethostname(), True),
        (socket.getfqdn(), True),
        ("github.com", False),
        ("google.de", False),
    )
    for hostname, islocal in tests:
        try:
            result = neat.host_is_local(hostname)
        except EnvironmentError:  # give more feedback
            print("test_host_is_local: Error with hostname {0!r} (expected {1!r})".format(hostname,
                                                                                          islocal))
            raise
        else:  # if do not want to do 'raise' above for some cases
            assert result == islocal, "Hostname/IP: {h}; Expected: {e}; Got: {r!r}".format(
                h=hostname, e=islocal, r=result) 

def make_msgid(idstring=None, domain=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.  Optional domain if given provides the
    portion of the message id after the '@'.  It defaults to the locally
    defined hostname.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    if domain is None:
        domain = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, domain)
    return msgid 

def __init__(self, server, conn, addr):
        asynchat.async_chat.__init__(self, conn)
        self.__server = server
        self.__conn = conn
        self.__addr = addr
        self.__line = []
        self.__state = self.COMMAND
        self.__greeting = 0
        self.__mailfrom = None
        self.__rcpttos = []
        self.__data = ''
        self.__fqdn = socket.getfqdn()
        try:
            self.__peer = conn.getpeername()
        except socket.error, err:
            # a race condition  may occur if the other end is closing
            # before we can get the peername
            self.close()
            if err[0] != errno.ENOTCONN:
                raise
            return 

def report_failure(self, server_uuid, errno):
        """Report failure to Fabric

        This method sets the status of a MySQL server identified by
        server_uuid.
        """
        if not self._report_errors:
            return

        errno = int(errno)
        current_host = socket.getfqdn()

        if errno in REPORT_ERRORS or errno in REPORT_ERRORS_EXTRA:
            _LOGGER.debug("Reporting error %d of server %s", errno,
                          server_uuid)
            inst = self.get_instance()
            try:
                data = inst.execute('threat', 'report_failure',
                                    server_uuid, current_host, errno)
                FabricResponse(data)
            except (Fault, socket.error) as exc:
                _LOGGER.debug("Failed reporting server to Fabric (%s)",
                              str(exc))
                # Not requiring further action 

def make_msgid(idstring=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    idhost = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, idhost)
    return msgid



# These functions are in the standalone mimelib version only because they've
# subsequently been fixed in the latest Python versions.  We use this to worm
# around broken older Pythons. 

def make_msgid(idstring=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <142480216486.20800.16526388040877946887@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.
    """
    timeval = int(time.time()*100)
    pid = os.getpid()
    randint = random.getrandbits(64)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    idhost = socket.getfqdn()
    msgid = '<%d.%d.%d%s@%s>' % (timeval, pid, randint, idstring, idhost)
    return msgid



# These functions are in the standalone mimelib version only because they've
# subsequently been fixed in the latest Python versions.  We use this to worm
# around broken older Pythons. 

def __init__(self, server, conn, addr):
        asynchat.async_chat.__init__(self, conn)
        self.__server = server
        self.__conn = conn
        self.__addr = addr
        self.__line = []
        self.__state = self.COMMAND
        self.__greeting = 0
        self.__mailfrom = None
        self.__rcpttos = []
        self.__data = ''
        self.__fqdn = socket.getfqdn()
        try:
            self.__peer = conn.getpeername()
        except socket.error, err:
            # a race condition  may occur if the other end is closing
            # before we can get the peername
            self.close()
            if err[0] != errno.ENOTCONN:
                raise
            return 

def make_msgid(idstring=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    idhost = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, idhost)
    return msgid



# These functions are in the standalone mimelib version only because they've
# subsequently been fixed in the latest Python versions.  We use this to worm
# around broken older Pythons. 

def make_msgid(idstring=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    idhost = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, idhost)
    return msgid



# These functions are in the standalone mimelib version only because they've
# subsequently been fixed in the latest Python versions.  We use this to worm
# around broken older Pythons. 

def __init__(self, server, conn, addr):
        asynchat.async_chat.__init__(self, conn)
        self.__server = server
        self.__conn = conn
        self.__addr = addr
        self.__line = []
        self.__state = self.COMMAND
        self.__greeting = 0
        self.__mailfrom = None
        self.__rcpttos = []
        self.__data = ''
        self.__fqdn = socket.getfqdn()
        try:
            self.__peer = conn.getpeername()
        except socket.error, err:
            # a race condition  may occur if the other end is closing
            # before we can get the peername
            self.close()
            if err[0] != errno.ENOTCONN:
                raise
            return 

def reserve_sock_addr() -> Iterator[Tuple[str, int]]:
    """Reserve an available TCP port to listen on.

    The reservation is done by binding a TCP socket to port 0 with
    ``SO_REUSEPORT`` flag set (requires Linux >=3.9). The socket is
    then kept open until the generator is closed.

    To reduce probability of 'hijacking' port, socket should stay open
    and should be closed _just before_ starting of ``tf.train.Server``
    """
    so_reuseport = get_so_reuseport()
    if so_reuseport is None:
        raise RuntimeError(
            "SO_REUSEPORT is not supported by the operating system") from None

    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
        sock.setsockopt(socket.SOL_SOCKET, so_reuseport, 1)
        sock.bind(("", 0))
        _ipaddr, port = sock.getsockname()
        yield (socket.getfqdn(), port) 

def testHostnameRes(self):
        # Testing hostname resolution mechanisms
        hostname = socket.gethostname()
        try:
            ip = socket.gethostbyname(hostname)
        except socket.error:
            # Probably name lookup wasn't set up right; skip this test
            return
        self.assertTrue(ip.find('.') >= 0, "Error resolving host to ip.")
        try:
            hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
        except socket.error:
            # Probably a similar problem as above; skip this test
            return
        all_host_names = [hostname, hname] + aliases
        fqhn = socket.getfqdn(ip)
        if not fqhn in all_host_names:
            self.fail("Error testing host resolution mechanisms. (fqdn: %s, all: %s)" % (fqhn, repr(all_host_names))) 

def make_msgid(idstring=None):
    """Returns a string suitable for RFC 2822 compliant Message-ID, e.g:

    <20020201195627.33539.96671@nightshade.la.mastaler.com>

    Optional idstring if given is a string used to strengthen the
    uniqueness of the message id.
    """
    timeval = time.time()
    utcdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(timeval))
    pid = os.getpid()
    randint = random.randrange(100000)
    if idstring is None:
        idstring = ''
    else:
        idstring = '.' + idstring
    idhost = socket.getfqdn()
    msgid = '<%s.%s.%s%s@%s>' % (utcdate, pid, randint, idstring, idhost)
    return msgid



# These functions are in the standalone mimelib version only because they've
# subsequently been fixed in the latest Python versions.  We use this to worm
# around broken older Pythons. 

def test_set_header(pkg):
    replog = ResultLog()
    d = replog.dict
    assert replog.dict == d
    assert replog.dict["reportversion"] == "1"
    assert replog.dict["toxversion"] == tox.__version__
    assert replog.dict["platform"] == sys.platform
    assert replog.dict["host"] == socket.getfqdn()
    expected = {"basename": "hello-1.0.tar.gz", "sha256": pkg.computehash("sha256")}
    env_log = replog.get_envlog("a")
    env_log.set_header(installpkg=pkg)
    assert env_log.dict["installpkg"] == expected

    data = replog.dumps_json()
    replog2 = ResultLog.from_json(data)
    assert replog2.dict == replog.dict 

def address_string(self):
        host, port = self.client_address[:2]
        #return socket.getfqdn(host)
        return host 

def get_config_documentation():
    """
    returns an restructured text document, that describes the complete
    configuration.
    """
    P = PolicyClass()

    config = get_from_config()
    resolvers = get_resolver_list()
    realms = get_realms()
    policies = P.list_policies()
    admins = get_db_admins()
    context = {"system": socket.getfqdn(socket.gethostname()),
               "date": datetime.datetime.now().strftime("%Y-%m-%d %H:%M"),
               "systemconfig": config,
               "appconfig": current_app.config,
               "resolverconfig": resolvers,
               "realmconfig": realms,
               "policyconfig": policies,
               "admins": admins}

    g.audit_object.log({"success": True})
    # Three or more line breaks will be changed to two.
    return send_file(re.sub("\n{3,}", "\n\n", render_template("documentation.rst",
                                                              context=context)),
                     'documentation.rst', content_type='text/plain') 

def connect_srv(self, domain=None, keepalive=60, bind_address=""):
        """Connect to a remote broker.

        domain is the DNS domain to search for SRV records; if None,
        try to determine local domain name.
        keepalive and bind_address are as for connect()
        """

        if HAVE_DNS is False:
            raise ValueError('No DNS resolver library found.')

        if domain is None:
            domain = socket.getfqdn()
            domain = domain[domain.find('.') + 1:]

        try:
            rr = '_mqtt._tcp.%s' % domain
            if self._ssl is not None:
                # IANA specifies secure-mqtt (not mqtts) for port 8883
                rr = '_secure-mqtt._tcp.%s' % domain
            answers = []
            for answer in dns.resolver.query(rr, dns.rdatatype.SRV):
                addr = answer.target.to_text()[:-1]
                answers.append((addr, answer.port, answer.priority, answer.weight))
        except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer, dns.resolver.NoNameservers):
            raise ValueError("No answer/NXDOMAIN for SRV in %s" % (domain))

        # FXME: doesn't account for weight
        for answer in answers:
            host, port, prio, weight = answer

            try:
                return self.connect(host, port, keepalive, bind_address)
            except:
                pass

        raise ValueError("No SRV hosts responded") 

def setfqdn(self):
    if 'fqdn' in self._options['protocol_specific_data'] and self._options[
        'protocol_specific_data']['fqdn']:
      SMTPHandler.fqdn = self._options['protocol_specific_data']['fqdn']
    else:
      while True:
        fqdn = await self.loop.run_in_executor(None, socket.getfqdn)
        SMTPHandler.fqdn = fqdn
        await asyncio.sleep(1800, loop=self.loop) 

def test_trigger_dag(self):
        with self.app.test_client() as client:
            url_template = '/api/experimental/dags/{}/dag_runs'
            response = client.post(
                url_template.format('example_bash_operator'),
                data=json.dumps(dict(run_id='my_run' + datetime.now().isoformat())),
                content_type="application/json"
            )
            self.assertEqual(401, response.status_code)

            response.url = 'http://{}'.format(socket.getfqdn())

            class Request:
                headers = {}

            response.request = Request()
            response.content = ''
            response.raw = mock.MagicMock()
            response.connection = mock.MagicMock()
            response.connection.send = mock.MagicMock()

            # disable mutual authentication for testing
            CLIENT_AUTH.mutual_authentication = 3

            # case can influence the results
            CLIENT_AUTH.hostname_override = socket.getfqdn()

            CLIENT_AUTH.handle_response(response)
            self.assertIn('Authorization', response.request.headers)

            response2 = client.post(
                url_template.format('example_bash_operator'),
                data=json.dumps(dict(run_id='my_run' + datetime.now().isoformat())),
                content_type="application/json",
                headers=response.request.headers
            )
            self.assertEqual(200, response2.status_code) 

def __init__(self, *args, **kwargs):
        super().__init__(workload_type='http', delete_files=True, *args, **kwargs)

        # the location of the incoming http streams
        self.bro_http_dir = os.path.join(saq.DATA_DIR, saq.CONFIG['bro']['http_dir'])

        # the list of streams (connection ids) that we need to process
        self.stream_list = collections.deque()

        # for tool_instance
        self.hostname = socket.getfqdn() 

def __init__(self, *args, **kwargs):
        # these just get passed to ace_api.submit function
        self.submit_args = args
        self.submit_kwargs = kwargs

        self.remote_host = default_remote_host
        self.ssl_verification = default_ssl_verification

        # default submission
        self.submit_kwargs = {
            'description': '',
            'analysis_mode': 'analysis',
            'tool': 'ace_api',
            'tool_instance': 'ace_api:{}'.format(socket.getfqdn()),
            'type': 'generic',
            'event_time': None,
            'details': {},
            'observables': [],
            'tags': [],
            'files': [],
        }

        for key, value in kwargs.items():
            if key in self.submit_kwargs:
                self.submit_kwargs[key] = value
            elif key == 'desc':
                self.submit_kwargs['description'] = value
            elif key == 'alert_type':
                self.submit_kwargs['type'] = value
            else:
                logging.debug("ignoring parameter {}".format(key))

        # this gets set after a successful call to submit
        self.uuid = None