#!/bin/bash

# Origin: https://cbompart.wordpress.com/2014/05/26/brother-printer-firmware-part-2/

# Depends: libxml2-utils

name=
spec=
firms=

while getopts ":n:s:f:" opt; do
  case $opt in
    n)
      name=$OPTARG
      ;;
    s)
      spec=$OPTARG
      ;;
    f)
      firms=$OPTARG
      ;;
  esac
done

IFS=',' read -a firmids <<< "$firms"
for firmid in "${firmids[@]}"
do
    for version in "0" "B0000000000" "1.10"
    do
        echo -n '<REQUESTINFO><FIRMUPDATETOOLINFO><FIRMCATEGORY>' >> request.xml
        echo -n $firmid >> request.xml
        echo -n '</FIRMCATEGORY><OS>LINUX</OS><INSPECTMODE>1</INSPECTMODE></FIRMUPDATETOOLINFO><FIRMUPDATEINFO><MODELINFO><NAME>' >> request.xml
        echo -n $name >> request.xml
        echo -n '</NAME><SPEC>' >> request.xml
        echo -n $spec >> request.xml
        echo -n '</SPEC><DRIVER></DRIVER><FIRMINFO><FIRM><ID>' >> request.xml
        echo -n $firmid >> request.xml
        echo -n '</ID><VERSION>' >> request.xml
        echo -n $version >> request.xml
        echo -n '</VERSION></FIRM></FIRMINFO></MODELINFO><DRIVERCNT>1</DRIVERCNT><LOGNO>2</LOGNO><ERRBIT></ERRBIT><NEEDRESPONSE>1</NEEDRESPONSE></FIRMUPDATEINFO></REQUESTINFO>' >> request.xml

        curl -X POST -d @request.xml https://firmverup.brother.co.jp/kne_bh7_update_nt_ssl/ifax2.asmx/fileUpdate -H "Content-Type:text/xml" --sslv3 -o response.xml -s
        case $(xmllint --xpath '/RESPONSEINFO/FIRMUPDATEINFO/VERSIONCHECK/text()' response.xml) in
          0)
            echo "--- request (name=$name, spec=$spec, firm=$firmid, version=$version) ---"
            cat request.xml | xmllint --format -
            echo "--- response ---"
            cat response.xml | xmllint --format -
            ;;
          1)
            echo "-- no firmware update available (name=$name, spec=$spec, firm=$firmid, version=$version) --"
            ;;
          2)
            echo "-- the request is partially incomplete (name=$name, spec=$spec, firm=$firmid, version=$version) --"
            ;;
          *)
            echo "-- the request is invalid (name=$name, spec=$spec, firm=$firmid, version=$version) --"
            ;;
        esac
        rm request.xml response.xml
    done
done