'Assign the given command line arguments to local variables.'

@classmethod
def validate_external_mode_cli(cls, args):

    uniformDHSecret = None
    try:
        uniformDHSecret = base64.b32decode(util.sanitiseBase32(args.uniformDHSecret))
    except (TypeError, AttributeError) as error:
        log.error(error.message)
        raise base.PluggableTransportError(("Given    password    '%s'    is    not    valid    Base32!        Run    'generate_password.py'    to    generate    a    good    password." % args.uniformDHSecret))
    parentalApproval = super(ScrambleSuitTransport, cls).validate_external_mode_cli(args)
    if (not parentalApproval):
        raise base.PluggableTransportError(('Pluggable    Transport    args    invalid:    %s' % args))
    if uniformDHSecret:
        rawLength = len(uniformDHSecret)
        if (rawLength != const.SHARED_SECRET_LENGTH):
            raise base.PluggableTransportError('The    UniformDH    password    must    be    %d    bytes    in    length,    ', ('but    %d    bytes    are    given.' % (const.SHARED_SECRET_LENGTH, rawLength)))
        else:
            cls.uniformDHSecret = uniformDHSecret
