#!/bin/bash## Build a certificate signing request and private key.  Use this# when your root certificate and key is not available locally.#if test $# -ne 1; then    echo "usage: build-req <name>";    exit 1fi                                                                             if test $KEY_DIR; then    cd $KEY_DIR && \    openssl req -days 3650 -nodes -new -keyout $1.key -out $1.csr -config $KEY_CONFIGelse    echo you must define KEY_DIRfi