Python socket.getservbyname() Examples

def create(args):
    vpc = ensure_vpc()
    if args.security_groups is None:
        args.security_groups = [__name__]
        ensure_security_group(__name__, vpc, tcp_ingress=[dict(port=socket.getservbyname("nfs"),
                                                               source_security_group_name=__name__)])
    creation_token = base64.b64encode(bytearray(os.urandom(24))).decode()
    args.tags.append("Name=" + args.name)
    create_file_system_args = dict(CreationToken=creation_token,
                                   PerformanceMode=args.performance_mode,
                                   ThroughputMode=args.throughput_mode,
                                   Tags=encode_tags(args.tags))
    if args.throughput_mode == "provisioned":
        create_file_system_args.update(ProvisionedThroughputInMibps=args.provisioned_throughput_in_mibps)
    fs = clients.efs.create_file_system(**create_file_system_args)
    waiter = make_waiter(clients.efs.describe_file_systems, "FileSystems[].LifeCycleState", "available", "pathAny")
    waiter.wait(FileSystemId=fs["FileSystemId"])
    security_groups = [resolve_security_group(g, vpc).id for g in args.security_groups]
    for subnet in vpc.subnets.all():
        clients.efs.create_mount_target(FileSystemId=fs["FileSystemId"],
                                        SubnetId=subnet.id,
                                        SecurityGroups=security_groups)
    return fs 

def __init__(self, service=None):
        try:
            self.port = socket.getservbyname("auth")
        except socket.error:
            self.port = 113

        self.os_name = "WIN32"
        # Connections waiting for acception, per interface
        self.listen_backlog = 3

        self.listeners = []
        self.clients = []
        self.buffers = {}
        self.peers = {}
        self.requests = {}
        self._service = service 

def parsePort(port):
  """
  Converts port in string format to an int

  :param port: a string or integer value
  :returns: an integer port number
  :rtype: int

  """
  result = None
  try:
    result = int(port)
  except ValueError:
    import socket
    result = socket.getservbyname(port)
  return result 

def check_name(self, name, objtype):
    """ check name validy """

    msg = None
    if len(name) >= 32 or len(re.findall(r'(^_*$|^\d*$|[^a-zA-Z0-9_])', name)) > 0:
        msg = "The {0} name must be less than 32 characters long, may not consist of only numbers, may not consist of only underscores, ".format(objtype)
        msg += "and may only contain the following characters: a-z, A-Z, 0-9, _"
    elif name in ["port", "pass"]:
        msg = "The {0} name must not be either of the reserved words 'port' or 'pass'".format(objtype)
    else:
        try:
            socket.getprotobyname(name)
            msg = 'The {0} name must not be an IP protocol name such as TCP, UDP, ICMP etc.'.format(objtype)
        except socket.error:
            pass

        try:
            socket.getservbyname(name)
            msg = 'The {0} name must not be a well-known or registered TCP or UDP port name such as ssh, smtp, pop3, tftp, http, openvpn etc.'.format(objtype)
        except socket.error:
            pass

    if msg is not None:
        self.module.fail_json(msg=msg) 

def validate_service_arg(args, name):
    """Validate a service argument. Can be either a port number, a port range,
    or a symbolic service name from /etc/services."""
    value = args.get(name) if isinstance(args, dict) else args
    if value.isdigit():
        port = int(value)
        if not 1 <= port < 65536:
            raise ValueError('illegal port number for {0}: {1}'.format(name, value))
        try:
            name = socket.getservbyport(port)
        except socket.error:
            name = 'p-{0}'.format(port)
    elif re_range.match(value):
        start, end = map(int, value.split('-'))
        if not 1 <= start < 65536 or not 1 <= end < 65536 or end <= start:
            raise ValueError('illegal port range for {0}: {1}'.format(name, value))
        name = 'r-{0}+{1}'.format(start, end-start)
    else:
        name = value
        try:
            value = socket.getservbyname(name)
        except socket.error:
            raise ValueError('unknown service for {0}: {1}'.format(name, value))
    return (name, value) 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
        address = tok.get_string()
        protocol = tok.get_string()
        if protocol.isdigit():
            protocol = int(protocol)
        else:
            protocol = socket.getprotobyname(protocol)
        bitmap = bytearray()
        while 1:
            token = tok.get().unescape()
            if token.is_eol_or_eof():
                break
            if token.value.isdigit():
                serv = int(token.value)
            else:
                if protocol != _proto_udp and protocol != _proto_tcp:
                    raise NotImplementedError("protocol must be TCP or UDP")
                if protocol == _proto_udp:
                    protocol_text = "udp"
                else:
                    protocol_text = "tcp"
                serv = socket.getservbyname(token.value, protocol_text)
            i = serv // 8
            l = len(bitmap)
            if l < i + 1:
                for j in xrange(l, i + 1):
                    bitmap.append(0)
            bitmap[i] = bitmap[i] | (0x80 >> (serv % 8))
        bitmap = dns.rdata._truncate_bitmap(bitmap)
        return cls(rdclass, rdtype, address, protocol, bitmap) 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def testGetServByExceptions(self):
        # First getservbyname
        try:
            result = socket.getservbyname("nosuchservice")
        except socket.error:
            pass
        except Exception, x:
            self.fail("getservbyname raised wrong exception for non-existent service: %s" % str(x)) 

def testGetServBy(self):
        eq = self.assertEqual
        # Find one service that exists, then check all the related interfaces.
        # I've ordered this by protocols that have both a tcp and udp
        # protocol, at least for modern Linuxes.
        if sys.platform in ('linux2', 'freebsd4', 'freebsd5', 'freebsd6',
                            'darwin') or is_bsd:
            # avoid the 'echo' service on this platform, as there is an
            # assumption breaking non-standard port/protocol entry
            services = ('daytime', 'qotd', 'domain')
        else:
            services = ('echo', 'daytime', 'domain')
        for service in services:
            try:
                port = socket.getservbyname(service, 'tcp')
                break
            except socket.error:
                pass
        else:
            raise socket.error
        # Try same call with optional protocol omitted
        port2 = socket.getservbyname(service)
        eq(port, port2)
        # Try udp, but don't barf it it doesn't exist
        try:
            udpport = socket.getservbyname(service, 'udp')
        except socket.error:
            udpport = None
        else:
            eq(udpport, port)
        # Now make sure the lookup by port returns the same service name
        eq(socket.getservbyport(port2), service)
        eq(socket.getservbyport(port, 'tcp'), service)
        if udpport is not None:
            eq(socket.getservbyport(udpport, 'udp'), service) 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    with Telnet() as tn:
        tn.set_debuglevel(debuglevel)
        tn.open(host, port, timeout=0.5)
        tn.interact() 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
        address = tok.get_string()
        protocol = tok.get_string()
        if protocol.isdigit():
            protocol = int(protocol)
        else:
            protocol = socket.getprotobyname(protocol)
        bitmap = bytearray()
        while 1:
            token = tok.get().unescape()
            if token.is_eol_or_eof():
                break
            if token.value.isdigit():
                serv = int(token.value)
            else:
                if protocol != _proto_udp and protocol != _proto_tcp:
                    raise NotImplementedError("protocol must be TCP or UDP")
                if protocol == _proto_udp:
                    protocol_text = "udp"
                else:
                    protocol_text = "tcp"
                serv = socket.getservbyname(token.value, protocol_text)
            i = serv // 8
            l = len(bitmap)
            if l < i + 1:
                for j in xrange(l, i + 1):
                    bitmap.append(0)
            bitmap[i] = bitmap[i] | (0x80 >> (serv % 8))
        bitmap = dns.rdata._truncate_bitmap(bitmap)
        return cls(rdclass, rdtype, address, protocol, bitmap) 

def testGetServByExceptions(self):
        # First getservbyname
        try:
            result = socket.getservbyname("nosuchservice")
        except socket.error:
            pass
        except Exception, x:
            self.fail("getservbyname raised wrong exception for non-existent service: %s" % str(x)) 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    with Telnet() as tn:
        tn.set_debuglevel(debuglevel)
        tn.open(host, port, timeout=0.5)
        tn.interact() 

def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
        address = tok.get_string()
        protocol = tok.get_string()
        if protocol.isdigit():
            protocol = int(protocol)
        else:
            protocol = socket.getprotobyname(protocol)
        bitmap = bytearray()
        while 1:
            token = tok.get().unescape()
            if token.is_eol_or_eof():
                break
            if token.value.isdigit():
                serv = int(token.value)
            else:
                if protocol != _proto_udp and protocol != _proto_tcp:
                    raise NotImplementedError("protocol must be TCP or UDP")
                if protocol == _proto_udp:
                    protocol_text = "udp"
                else:
                    protocol_text = "tcp"
                serv = socket.getservbyname(token.value, protocol_text)
            i = serv // 8
            l = len(bitmap)
            if l < i + 1:
                for j in xrange(l, i + 1):
                    bitmap.append(0)
            bitmap[i] = bitmap[i] | (0x80 >> (serv % 8))
        bitmap = dns.rdata._truncate_bitmap(bitmap)
        return cls(rdclass, rdtype, address, protocol, bitmap) 

def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
        address = tok.get_string()
        protocol = tok.get_string()
        if protocol.isdigit():
            protocol = int(protocol)
        else:
            protocol = socket.getprotobyname(protocol)
        bitmap = bytearray()
        while 1:
            token = tok.get().unescape()
            if token.is_eol_or_eof():
                break
            if token.value.isdigit():
                serv = int(token.value)
            else:
                if protocol != _proto_udp and protocol != _proto_tcp:
                    raise NotImplementedError("protocol must be TCP or UDP")
                if protocol == _proto_udp:
                    protocol_text = "udp"
                else:
                    protocol_text = "tcp"
                serv = socket.getservbyname(token.value, protocol_text)
            i = serv // 8
            l = len(bitmap)
            if l < i + 1:
                for j in xrange(l, i + 1):
                    bitmap.append(0)
            bitmap[i] = bitmap[i] | (0x80 >> (serv % 8))
        bitmap = thirdparty.dns.rdata._truncate_bitmap(bitmap)
        return cls(rdclass, rdtype, address, protocol, bitmap) 

def testConnectByService(self):
        serv = socket.getservbyname
        d = defer.succeed(None)
        try:
            s = MyServerFactory()
            port = reactor.listenTCP(0, s, interface="127.0.0.1")
            self.n = port.getHost().port
            socket.getservbyname = (lambda s, p,n=self.n:
                                    s == 'http' and p == 'tcp' and n or 10)
            self.ports.append(port)
            cf = MyClientFactory()
            try:
                c = reactor.connectTCP('127.0.0.1', 'http', cf)
            except:
                socket.getservbyname = serv
                raise

            d = loopUntil(
                lambda: (getattr(s, 'protocol', None) is not None and
                         getattr(cf, 'protocol', None) is not None))
            d.addBoth(lambda x:
                      self.cleanPorts(port, c.transport, cf.protocol.transport))
        finally:
            socket.getservbyname = serv
        d.addCallback(lambda x : self.assert_(s.called,
                                              '%s was not called' % (s,)))
        return d 

def __init__(self, host, port, factory, timeout, bindAddress, reactor=None):
        self.host = host
        if isinstance(port, types.StringTypes):
            try:
                port = socket.getservbyname(port, 'tcp')
            except socket.error, e:
                raise error.ServiceNameUnknownError(string="%s (%r)" % (e, port)) 

def prepareAddress(self):
        host, port = self.addr
        if iocpdebug.debug:
            print "connecting to (%s, %s)" % (host, port)
        if isinstance(port, types.StringTypes):
            try:
                port = socket.getservbyname(port, 'tcp')
            except socket.error, e:
                raise error.ServiceNameUnknownError(string=str(e)) 

def testGetServByExceptions(self):
        # First getservbyname
        try:
            result = socket.getservbyname("nosuchservice")
        except socket.error:
            pass
        except Exception, x:
            self.fail("getservbyname raised wrong exception for non-existent service: %s" % str(x)) 

def testGetServBy(self):
        eq = self.assertEqual
        # Find one service that exists, then check all the related interfaces.
        # I've ordered this by protocols that have both a tcp and udp
        # protocol, at least for modern Linuxes.
        if sys.platform in ('linux2', 'freebsd4', 'freebsd5', 'freebsd6',
                            'darwin') or is_bsd:
            # avoid the 'echo' service on this platform, as there is an
            # assumption breaking non-standard port/protocol entry
            services = ('daytime', 'qotd', 'domain')
        else:
            services = ('echo', 'daytime', 'domain')
        for service in services:
            try:
                port = socket.getservbyname(service, 'tcp')
                break
            except socket.error:
                pass
        else:
            raise socket.error
        # Try same call with optional protocol omitted
        port2 = socket.getservbyname(service)
        eq(port, port2)
        # Try udp, but don't barf it it doesn't exist
        try:
            udpport = socket.getservbyname(service, 'udp')
        except socket.error:
            udpport = None
        else:
            eq(udpport, port)
        # Now make sure the lookup by port returns the same service name
        eq(socket.getservbyport(port2), service)
        eq(socket.getservbyport(port, 'tcp'), service)
        if udpport is not None:
            eq(socket.getservbyport(udpport, 'udp'), service) 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port)
    tn.interact()
    tn.close() 

def testGetServBy(self):
        eq = self.assertEqual
        # Find one service that exists, then check all the related interfaces.
        # I've ordered this by protocols that have both a tcp and udp
        # protocol, at least for modern Linuxes.
        if (sys.platform.startswith(('freebsd', 'netbsd', 'gnukfreebsd'))
            or sys.platform in ('linux', 'darwin')):
            # avoid the 'echo' service on this platform, as there is an
            # assumption breaking non-standard port/protocol entry
            services = ('daytime', 'qotd', 'domain')
        else:
            services = ('echo', 'daytime', 'domain')
        for service in services:
            try:
                port = socket.getservbyname(service, 'tcp')
                break
            except OSError:
                pass
        else:
            raise OSError
        # Try same call with optional protocol omitted
        port2 = socket.getservbyname(service)
        eq(port, port2)
        # Try udp, but don't barf if it doesn't exist
        try:
            udpport = socket.getservbyname(service, 'udp')
        except OSError:
            udpport = None
        else:
            eq(udpport, port)
        # Now make sure the lookup by port returns the same service name
        eq(socket.getservbyport(port2), service)
        eq(socket.getservbyport(port, 'tcp'), service)
        if udpport is not None:
            eq(socket.getservbyport(udpport, 'udp'), service)
        # Make sure getservbyport does not accept out of range ports.
        self.assertRaises(OverflowError, socket.getservbyport, -1)
        self.assertRaises(OverflowError, socket.getservbyport, 65536) 

def test():
    """Test program for telnetlib.

    Usage: python telnetlib.py [-d] ... [host [port]]

    Default host is localhost; default port is 23.

    """
    debuglevel = 0
    while sys.argv[1:] and sys.argv[1] == '-d':
        debuglevel = debuglevel+1
        del sys.argv[1]
    host = 'localhost'
    if sys.argv[1:]:
        host = sys.argv[1]
    port = 0
    if sys.argv[2:]:
        portstr = sys.argv[2]
        try:
            port = int(portstr)
        except ValueError:
            port = socket.getservbyname(portstr, 'tcp')
    tn = Telnet()
    tn.set_debuglevel(debuglevel)
    tn.open(host, port, timeout=0.5)
    tn.interact()
    tn.close() 

def test_connectByService(self):
        """
        L{IReactorTCP.connectTCP} accepts the name of a service instead of a
        port number and connects to the port number associated with that
        service, as defined by L{socket.getservbyname}.
        """
        serverFactory = MyServerFactory()
        serverConnMade = defer.Deferred()
        serverFactory.protocolConnectionMade = serverConnMade
        port = reactor.listenTCP(0, serverFactory, interface="127.0.0.1")
        self.addCleanup(port.stopListening)
        portNumber = port.getHost().port
        clientFactory = MyClientFactory()
        clientConnMade = defer.Deferred()
        clientFactory.protocolConnectionMade = clientConnMade

        def fakeGetServicePortByName(serviceName, protocolName):
            if serviceName == 'http' and protocolName == 'tcp':
                return portNumber
            return 10
        self.patch(socket, 'getservbyname', fakeGetServicePortByName)

        reactor.connectTCP('127.0.0.1', 'http', clientFactory)

        connMade = defer.gatherResults([serverConnMade, clientConnMade])
        def connected((serverProtocol, clientProtocol)):
            self.assertTrue(
                serverFactory.called,
                "Server factory was not called upon to build a protocol.")
            serverProtocol.transport.loseConnection()
            clientProtocol.transport.loseConnection()
        connMade.addCallback(connected)
        return connMade