diff options
Diffstat (limited to 'include/inject.sh')
| -rw-r--r-- | include/inject.sh | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/include/inject.sh b/include/inject.sh new file mode 100644 index 00000000..ee3df6af --- /dev/null +++ b/include/inject.sh @@ -0,0 +1,234 @@ +# SPDX-License-Identifier: GPL-3.0-only + +# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com> +# Copyright (c) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com> +# Copyright (c) 2023-2025 Leah Rowe <leah@libreboot.org> + +cbcfgsdir="config/coreboot" +tmpromdel="$XBMK_CACHE/DO_NOT_FLASH" +nvm="util/nvmutil/nvm" +ifdtool="elf/coreboot/default/ifdtool" + +checkvars="CONFIG_GBE_BIN_PATH" +if [ -n "$checkvarsxbmk" ]; then + checkvars="$checkvars $checkvarsxbmk" +fi +if [ -n "$checkvarschk" ]; then + checkvars="$checkvars $checkvarschk" +fi + +archive="" +board="" +boarddir="" +IFD_platform="" +ifdprefix="" +new_mac="" +tmpromdir="" +tree="" +xchanged="" + +eval "`setvars "" $checkvars`" + +inject() +{ + remkdir "$tmpromdel" + + if [ $# -lt 1 ]; then + err "No options specified" "inject" "$@" + fi + + archive="$1"; + new_mac="xx:xx:xx:xx:xx:xx" + + new_mac="" + nuke="" + xchanged="" + + [ $# -gt 1 ] && case "$2" in + nuke) + new_mac="" + nuke="nuke" + ;; + setmac) + if [ $# -gt 2 ]; then + new_mac="$3" && \ + if [ -z "$new_mac" ]; then + err "Empty MAC address specified" "inject" "$@" + fi + fi + ;; + *) + err "Unrecognised inject mode: '$2'" "inject" "$@" ;; + esac + + if [ "$new_mac" = "keep" ]; then + new_mac="" + fi + + check_release + if check_target; then + if ! patch_release; then + return 0 + fi + fi + if [ "$xchanged" = "y" ]; then + remktar + fi + + if [ "$xchanged" = "y" ]; then + printf "\n'%s' was modified\n" "$archive" 1>&2 + else + printf "\n'%s' was NOT modified\n" "$archive" 1>&2 + fi + + x_ rm -Rf "$tmpromdel" +} + +check_release() +{ + if [ -L "$archive" ]; then + err "'$archive' is a symlink" "check_release" "$@" + fi + if e "$archive" f missing; then + err "'$archive' missing" "check_release" "$@" + fi + + archivename="`basename "$archive" || err "Can't get '$archive' name"`" \ + || err "can't get '$archive' name" "check_release" "$@" + + if [ -z "$archivename" ]; then + err "Can't determine archive name" "check_release" "$@" + fi + + case "$archivename" in + *_src.tar.xz) + err "'$archive' is a src archive!" "check_release" "$@" + ;; + grub_*|seagrub_*|custom_*|seauboot_*|seabios_withgrub_*) + err "'$archive' is a ROM image" "check_release" "$@" + ;; + *.tar.xz) _stripped_prefix="${archivename#*_}" + board="${_stripped_prefix%.tar.xz}" + ;; + *) + err "'$archive': cannot detect board" "check_release" "$@" + ;; + esac; : +} + +check_target() +{ + if [ "$board" != "${board#serprog_}" ]; then + return 1 + fi + + boarddir="$cbcfgsdir/$board" + + . "$boarddir/target.cfg" || \ + err "Can't read '$boarddir/target.cfg'" "check_target" "$@" + + if [ -z "$tree" ]; then + err "tree unset in '$boarddir/target.cfg'" "check_target" "$@" + fi + + x_ ./mk -d coreboot "$tree" + + ifdtool="elf/coreboot/$tree/ifdtool" + + if [ -n "$IFD_platform" ]; then + ifdprefix="-p $IFD_platform" + fi +} + +patch_release() +{ + if [ "$nuke" != "nuke" ]; then + x_ ./mk download "$board" + fi + + has_hashes="n" + tmpromdir="$tmpromdel/bin/$board" + + remkdir "${tmpromdir%"/bin/$board"}" + x_ tar -xf "$archive" -C "${tmpromdir%"/bin/$board"}" + + for _hashes in "vendorhashes" "blobhashes"; do + if e "$tmpromdir/$_hashes" f; then + has_hashes="y" + hashfile="$_hashes" + + break + fi + done + + if ! readkconfig; then + return 1 + elif [ -n "$new_mac" ] && [ -n "$CONFIG_GBE_BIN_PATH" ]; then + modify_mac + fi +} + +readkconfig() +{ + x_ rm -f "$xbtmp/cbcfg" + + fx_ scankconfig x_ find "$boarddir/config" -type f + + if e "$xbtmp/cbcfg" f missing; then + return 1 + fi + + . "$xbtmp/cbcfg" || \ + err "Can't read '$xbtmp/cbcfg'" "readkconfig" "$@" + + if ! setvfile "$@"; then + return 1 + fi +} + +scankconfig() +{ + for cbc in $checkvars; do + grep "$cbc" "$1" 2>/dev/null 1>>"$xbtmp/cbcfg" || : + done +} + +modify_mac() +{ + x_ cp "${CONFIG_GBE_BIN_PATH##*../}" "$xbtmp/gbe" + + if [ -n "$new_mac" ] && [ "$new_mac" != "restore" ]; then + x_ make -C util/nvmutil clean + x_ make -C util/nvmutil + + x_ "$nvm" "$xbtmp/gbe" setmac "$new_mac" + fi + + fx_ newmac x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom" + + printf "\nThe following GbE NVM data will be written:\n" + x_ "$nvm" "$xbtmp/gbe" dump | grep -v "bytes read from file" || : +} + +newmac() +{ + if e "$1" f; then + xchanged="y" + x_ "$ifdtool" $ifdprefix -i GbE:"$xbtmp/gbe" "$1" -O "$1" + fi +} + +remktar() +{ + ( + x_ cd "${tmpromdir%"/bin/$board"}" + + printf "Re-building tar archive (please wait)\n" + mkrom_tarball "bin/$board" 1>/dev/null + + ) || err "Cannot re-generate '$archive'" "remktar" "$@" + + mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \ + "$archive" || \ + err "'$archive' -> Can't overwrite" "remktar" "$@"; : +} |