#!/bin/bash

OVPN_FILE="${1}"
OUTPUT_PREFIX="${2}"

if [ ! -e "${OVPN_FILE}" ]; then
    echo "File not found: ${OVPN_FILE}"
    exit 1
fi

if [ "${OUTPUT_PREFIX}" == "" ]; then
  OUTPUT_PREFIX=$(date '+%s')
fi

awk '/<ca>/{flag=1;next}/<\/ca>/{flag=0}flag' "${OVPN_FILE}" > "${OUTPUT_PREFIX}-ca.crt"
awk '/<cert>/{flag=1;next}/<\/cert>/{flag=0}flag' "${OVPN_FILE}" > "${OUTPUT_PREFIX}-client.crt"
awk '/<key>/{flag=1;next}/<\/key>/{flag=0}flag' "${OVPN_FILE}" > "${OUTPUT_PREFIX}-client.key"

openssl pkcs12 -export \
    -in "${OUTPUT_PREFIX}-client.crt" \
    -inkey "${OUTPUT_PREFIX}-client.key" \
    -out "${OUTPUT_PREFIX}-client.p12"