# SPDX-License-Identifier: GPL-3.0-only
# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>

agent="Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"

_7ztest="a"
_b=""
blobdir="blobs"
appdir="${blobdir}/app"
cbdir="coreboot/default"
cbcfgsdir="config/coreboot"
ifdtool="cbutils/default/ifdtool"
cbfstool="cbutils/default/cbfstool"
nvmutil="util/nvmutil/nvm"
boarddir=""
pciromsdir="pciroms"

mecleaner="$(pwd)/me_cleaner/me_cleaner.py"
me7updateparser="$(pwd)/util/me7_update_parser/me7_update_parser.py"
e6400_unpack="$(pwd)/bios_extract/dell_inspiron_1100_unpacker.py"
kbc1126_ec_dump="$(pwd)/${cbdir}/util/kbc1126/kbc1126_ec_dump"
pfs_extract="$(pwd)/biosutilities/Dell_PFS_Extract.py"
uefiextract="$(pwd)/uefitool/uefiextract"

setvars="EC_url=\"\""
for x in EC_url_bkup EC_hash DL_hash DL_url DL_url_bkup E6400_VGA_DL_hash \
    E6400_VGA_DL_url E6400_VGA_DL_url_bkup E6400_VGA_offset E6400_VGA_romname \
    SCH5545EC_DL_url SCH5545EC_DL_url_bkup SCH5545EC_DL_hash MRC_url \
    MRC_url_bkup MRC_hash MRC_board _dest; do
	setvars="${setvars}; ${x}=\"\""
done

for x in archive rom board modifygbe new_mac release releasearchive dl_path; do
	setvars="${setvars}; ${x}=\"\""
done

for x in CONFIG_BOARD_DELL_E6400 CONFIG_HAVE_MRC CONFIG_HAVE_ME_BIN \
    CONFIG_ME_BIN_PATH CONFIG_KBC1126_FIRMWARE CONFIG_KBC1126_FW1 \
    CONFIG_KBC1126_FW1_OFFSET CONFIG_KBC1126_FW2 CONFIG_KBC1126_FW2_OFFSET \
    CONFIG_VGA_BIOS_FILE CONFIG_VGA_BIOS_ID CONFIG_GBE_BIN_PATH \
    CONFIG_INCLUDE_SMSC_SCH5545_EC_FW CONFIG_SMSC_SCH5545_EC_FW_FILE \
    CONFIG_IFD_BIN_PATH CONFIG_MRC_FILE; do
	setvars="${setvars}; ${x}=\"\""
done

eval "${setvars}"

check_defconfig()
{
	no_config="printf \"No target defconfig in %s\\n\" ${1} 1>&2; return 1"
	for x in "${1}"/config/*; do
		[ -f "${x}" ] && no_config=""
	done
	eval "${no_config}"
}

fetch()
{
	dl_type="${1}"
	dl="${2}"
	dl_bkup="${3}"
	dlsum="${4}"
	[ "${5# }" = "${5}" ] || err "fetch: space not allowed in _dest: '${5}'"
	[ "${5#/}" = "${5}" ] || err "fetch: absolute path not allowed: '${5}'"
	_dest="${5##*../}"
	dl_path="${blobdir}/cache/${dlsum}"

	mkdir -p "${dl_path%/*}" || err "fetch: !mkdir ${dl_path%/*}"

	dl_fail="y"
	vendor_checksum "${dlsum}" "${dl_path}" && dl_fail="n"
	for url in "${dl}" "${dl_bkup}"; do
		[ "${dl_fail}" = "n" ] && break
		[ -z "${url}" ] && continue
		rm -f "${dl_path}" || err "fetch: !rm -f ${dl_path}"
		wget --tries 3 -U "${agent}" "${url}" -O "${dl_path}" || \
		    continue
		vendor_checksum "${dlsum}" "${dl_path}" && dl_fail="n"
	done
	[ "${dl_fail}" = "y" ] && \
		err "fetch ${dlsum}: matched file unavailable"

	rm -Rf "${dl_path}_extracted" || err "!rm ${dl_path}_extracted"
	mkdirs "${_dest}" "extract_${dl_type}" || return 0
	eval "extract_${dl_type}"
}

vendor_checksum()
{
	if [ "$(sha512sum ${2} | awk '{print $1}')" != "${1}" ]; then
		printf "Bad checksum for file: %s\n" "${2}" 1>&2
		rm -f "${2}" || :
		return 1
	fi
}