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#!/usr/bin/env bash
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ENABLED=yes
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[ "$ENABLED" != "yes" ] && exit 0
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DEBUGMODE=no
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unset ROOTFS; [[ -d /usr/lib/ublinux ]] || ROOTFS=.
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SOURCE=${ROOTFS}/usr/lib/ublinux/functions; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null || exit 0
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SOURCE=${ROOTFS}/usr/lib/ublinux/os-config; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null || exit 0
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debug_mode "$0" "$@"
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SYSCONF="${ROOTFS}/${SYSCONF}"
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SOURCE=${SYSCONF}/config; [[ -f ${SOURCE} ]] && . ${SOURCE} 2>/dev/null
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SOURCE=${SYSCONF}/boot; [ -f ${SOURCE} ] && . ${SOURCE} 2>/dev/null
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SELF_NAME="20-grub"
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NAME_GRUB_CFG="grub.cfg"
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get_path_grub2(){
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PATH_GRUB=$(find ${ROOTFS}/memory/data/from/*/boot/grub/ -maxdepth 1 -type f -name "${NAME_GRUB_CFG}" | head -1)
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[[ -n ${PATH_GRUB} ]] || PATH_GRUB="$(find ${ROOTFS}/memory/data/from/*/ -maxdepth 3 -type f -name "${NAME_GRUB_CFG}" | head -1)"
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[[ -n ${PATH_GRUB} ]] || return 1
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[[ -w ${PATH_GRUB} ]] && PATH_GRUB="${PATH_GRUB%/*}" || return 1
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}
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control_grub_var_cfg(){
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if [[ -n ${STR_SET_VALUE} ]]; then
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grep -q "${STR_EXPORT}" ${FILE_GRUB_VAR_USER} 2>/dev/null || echo -e "${STR_EXPORT}" >> ${FILE_GRUB_VAR_USER}
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if ! grep -q "^\s*${STR_SET}${STR_SET_VALUE}\s*$" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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local QUOTA
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[[ ${STR_SET_VALUE} =~ " " ]] && QUOTA="\""
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if grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed -E "s/^\s*(${STR_SET}).*/\1${QUOTA}${STR_SET_VALUE}${QUOTA}/" -i ${FILE_GRUB_VAR_USER}
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else
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sed "/${STR_EXPORT}/i${STR_SET}${QUOTA}${STR_SET_VALUE}${QUOTA}" -i ${FILE_GRUB_VAR_USER}
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fi
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fi
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elif grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed "/^\s*${STR_SET}.*/d; /^\s*${STR_EXPORT}\s*$/d" -i ${FILE_GRUB_VAR_USER}
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fi
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}
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exec_grub_timeout(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_TIMEOUT}"
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STR_SET="set timeout="
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STR_EXPORT="export timeout"
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control_grub_var_cfg
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}
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exec_grub_default(){
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[[ -n $@ ]] && GRUB_DEFAULT="$@"
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if [[ -n ${GRUB_DEFAULT} ]]; then
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FILE_GRUBENV="${PATH_GRUB}/grubenv"
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DATA_GRUBENV=$(cat <<EOF
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# GRUB Environment Block
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saved_entry=${GRUB_DEFAULT}
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EOF
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)
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LC_ALL=C
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# echo -e "${DATA_GRUBENV}$(yes "" | head -n $((1024-"${#DATA_GRUBENV}")) | tr \\n '#')" > "${PATH_GRUB}/grubenv"
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echo -ne "${DATA_GRUBENV}\n$(printf -- '#'%.s $(seq -s ' ' $((1023-"${#DATA_GRUBENV}"))))" > "${PATH_GRUB}/grubenv"
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fi
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}
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exec_grub_superusers(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_SUPERUSERS}"
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STR_SET="set superusers="
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STR_EXPORT="export superusers"
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control_grub_var_cfg
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}
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exec_grub_password(){
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[[ -n $@ ]] && GRUB_PASSWORD="$@"
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if [[ -n ${GRUB_PASSWORD[0]} ]]; then
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[[ -n ${GRUB_SUPERUSERS} ]] || return 1
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FIRST_SUPERUSER=${GRUB_SUPERUSERS//\"/}; FIRST_SUPERUSER=${FIRST_SUPERUSER%%,*}; FIRST_SUPERUSER=${FIRST_SUPERUSER%% *}
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local -A GRUB_PASSWORD=( [${FIRST_SUPERUSER}]="${GRUB_PASSWORD}" )
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fi
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if [[ -n ${GRUB_PASSWORD[@]} ]]; then
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for NAME_USER in "${!GRUB_PASSWORD[@]}"; do
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STR_SET="password_pbkdf2 ${NAME_USER} "
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STR_SET_VALUE=${GRUB_PASSWORD[${NAME_USER}]}
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if [[ ! ${STR_SET_VALUE} =~ ^grub.pbkdf2 ]]; then
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STR_SET_VALUE=$(echo -e "${STR_SET_VALUE}\n${STR_SET_VALUE}" | grub-mkpasswd-pbkdf2 | awk '/grub.pbkdf/{print$NF}')
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ubconfig --noexecute set boot GRUB_PASSWORD[${NAME_USER}]=${STR_SET_VALUE}
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fi
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if ! grep -q "^\s*${STR_SET}${STR_SET_VALUE}$" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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if grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed -E "s/^\s*(${STR_SET}).*/\1${STR_SET_VALUE}/" -i ${FILE_GRUB_VAR_USER}
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else
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echo "${STR_SET}${STR_SET_VALUE}" >> ${FILE_GRUB_VAR_USER}
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fi
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fi
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done
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# Проверка по файлу ${FILE_GRUB_VAR_USER}, если пароль на пользователя присутствует, но его нет в конфигурации, то удалить из ${FILE_GRUB_VAR_USER}
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while read -r NAME_USER; do
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[[ -n ${GRUB_PASSWORD[${NAME_USER}]} ]] || sed "/^\s*password_pbkdf2 ${NAME_USER}.*/d" -i ${FILE_GRUB_VAR_USER}
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done < <(sed -En "s/^\s*password_pbkdf2 (.*) .*/\1/p" ${FILE_GRUB_VAR_USER})
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elif grep -q "^\s*password_pbkdf2" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed "/^\s*password_pbkdf2.*/d" -i ${FILE_GRUB_VAR_USER}
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fi
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}
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exec_grub_boot_silent(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_BOOT_SILENT}"
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STR_SET="set BOOT_SILENT="
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STR_EXPORT="export BOOT_SILENT"
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control_grub_var_cfg
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}
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exec_grub_terminal_input(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_TERMINAL_INPUT}"
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STR_SET="terminal_input "
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if [[ -n ${STR_SET_VALUE} ]]; then
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if ! grep -q "^\s*${STR_SET}${STR_SET_VALUE}\s*$" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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if grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed -E "s/^\s*(${STR_SET}).*/\1${STR_SET_VALUE}/" -i ${FILE_GRUB_VAR_USER}
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else
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echo "${STR_SET}${STR_SET_VALUE}" >> ${FILE_GRUB_VAR_USER}
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fi
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if [[ ${STR_SET_VALUE} =~ "serial" ]]; then
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grep -q "^\s*serial\s*$" ${FILE_GRUB_VAR_USER} 2>/dev/null || sed "/${STR_SET}/iserial" -i ${FILE_GRUB_VAR_USER}
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else
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grep -q "^\s*serial\s*$" ${FILE_GRUB_VAR_USER} 2>/dev/null && sed "/^serial$/d" -i ${FILE_GRUB_VAR_USER}
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fi
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fi
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elif grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed "/^\s*${STR_SET}.*/d; /^\s*serial\s*$/d" -i ${FILE_GRUB_VAR_USER}
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fi
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}
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exec_grub_terminal_output(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_TERMINAL_OUTPUT}"
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STR_SET="terminal_output "
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if [[ -n ${STR_SET_VALUE} ]]; then
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if ! grep -q "^\s*${STR_SET}${STR_SET_VALUE}\s*$" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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if grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed -E "s/^\s*(${STR_SET}).*/\1${STR_SET_VALUE}/" -i ${FILE_GRUB_VAR_USER}
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else
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echo "${STR_SET}${STR_SET_VALUE}" >> ${FILE_GRUB_VAR_USER}
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fi
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fi
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elif grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed "/^\s*${STR_SET}.*/d" -i ${FILE_GRUB_VAR_USER}
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fi
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}
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exec_grub_play(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_PLAY}"
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STR_SET="play "
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if [[ -n ${STR_SET_VALUE} ]]; then
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if ! grep -q "^\s*${STR_SET}${STR_SET_VALUE}\s*$" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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if grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed -E "s/^\s*(${STR_SET}).*/\1${STR_SET_VALUE}/" -i ${FILE_GRUB_VAR_USER}
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else
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echo "${STR_SET}${STR_SET_VALUE}" >> ${FILE_GRUB_VAR_USER}
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fi
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fi
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elif grep -q "${STR_SET}" ${FILE_GRUB_VAR_USER} 2>/dev/null; then
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sed "/^\s*${STR_SET}.*/d" -i ${FILE_GRUB_VAR_USER}
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fi
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}
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exec_grub_cmdline_linux(){
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[[ -n $@ ]] && STR_SET_VALUE="$@" || STR_SET_VALUE="${GRUB_CMDLINE_LINUX}"
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STR_SET="set CMDLINE_LINUX="
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STR_EXPORT="export CMDLINE_LINUX"
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control_grub_var_cfg
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}
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################
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##### MAIN #####
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################
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# Возможность подключить как source из любого скрипта и вызов встроенных функций
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get_path_grub2 || exit 1
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#PATH_GRUB="/mnt/livemedia/ublinux-data/work/rc.halt.pre"
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FILE_GRUB_VAR_USER="${PATH_GRUB}/ublinux/grub_var_user.cfg"
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[[ -f ${FILE_GRUB_VAR_USER} ]] || touch ${FILE_GRUB_VAR_USER}
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if [[ ${0##*/} == ${SELF_NAME} && -z $@ ]]; then
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while read -r FUNCTION; do
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$"${FUNCTION##* }"
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done < <(declare -F | grep "declare -f exec_")
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elif [[ ${0##*/} == ${SELF_NAME} ]]; then
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while [[ $# -gt 0 ]]; do
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declare -f ${1} &>/dev/null && FUNCTION+="; ${1}" && shift || { FUNCTION+=" ${1}" && shift; }
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done
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eval ${FUNCTION#*; }
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else
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true
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fi
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