#!/bin/bash
# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0

USAGE="Usage: $(basename $0) [-a] chain_file\n\
\t-a  Show all details of each certificate in the bundle (instead of a summary)"
usage() { echo -e "$USAGE" >&2; exit 2; }

textFlag=""
while getopts "a" arg; do
  case "$arg" in
    a)  textFlag="-text";;
  esac
done
shift $((OPTIND-1))

chainFile=$1
if [ -z "$chainFile" ]; then
  usage
fi

openssl crl2pkcs7 -nocrl -certfile $chainFile |
openssl pkcs7 -print_certs -noout $textFlag