diff options
Diffstat (limited to 'parabolaiso/initcpio/hooks/parabolaiso')
| -rw-r--r-- | parabolaiso/initcpio/hooks/parabolaiso | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/parabolaiso/initcpio/hooks/parabolaiso b/parabolaiso/initcpio/hooks/parabolaiso deleted file mode 100644 index daac88b..0000000 --- a/parabolaiso/initcpio/hooks/parabolaiso +++ /dev/null @@ -1,285 +0,0 @@ -#!/bin/ash -# -# SPDX-License-Identifier: GPL-3.0-or-later - -# args: source, newroot, mountpoint -_mnt_dmsnapshot() { - local img="${1}" - local newroot="${2}" - local mnt="${3}" - local img_fullname="${img##*/}"; - local img_name="${img_fullname%%.*}" - local dm_snap_name="${dm_snap_prefix}_${img_name}" - local ro_dev ro_dev_size rw_dev - - ro_dev="$(losetup --find --show --read-only -- "${img}")" - echo "${ro_dev}" >> /run/parabolaiso/used_block_devices - ro_dev_size="$(blockdev --getsz "${ro_dev}")" - - if [ "${cow_persistent}" = "P" ]; then - if [ -f "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" ]; then - msg ":: Found '/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow', using as persistent." - else - msg ":: Creating '/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow' as persistent." - truncate -s "${cow_spacesize}" "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" - fi - else - if [ -f "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" ]; then - msg ":: Found '/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow' but non-persistent requested, removing." - rm -f "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" - fi - msg ":: Creating '/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent." - truncate -s "${cow_spacesize}" "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" - fi - - rw_dev="$(losetup --find --show "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow")" - echo "${rw_dev}" >> /run/parabolaiso/used_block_devices - - dmsetup create "${dm_snap_name}" --table \ - "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} ${cow_chunksize}" - - if [ "${cow_persistent}" != "P" ]; then - rm -f "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" - fi - - _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w" "defaults" - readlink -f "/dev/mapper/${dm_snap_name}" >> /run/parabolaiso/used_block_devices -} - -# args: source, newroot, mountpoint -_mnt_overlayfs() { - local src="${1}" - local newroot="${2}" - local mnt="${3}" - mkdir -p "/run/parabolaiso/cowspace/${cow_directory}/upperdir" "/run/parabolaiso/cowspace/${cow_directory}/workdir" - mount -t overlay -o \ - "lowerdir=${src},upperdir=/run/parabolaiso/cowspace/${cow_directory}/upperdir,workdir=/run/parabolaiso/cowspace/${cow_directory}/workdir" \ - airootfs "${newroot}${mnt}" -} - - -# args: /path/to/image_file, mountpoint -_mnt_sfs() { - local img="${1}" - local mnt="${2}" - local img_fullname="${img##*/}" - local sfs_dev - - # shellcheck disable=SC2154 - # defined via initcpio's parse_cmdline() - if [ "${copytoram}" = "y" ]; then - msg -n ":: Copying squashfs image to RAM..." - - # in case we have pv use it to display copy progress feedback otherwise - # fallback to using plain cp - if command -v pv > /dev/null 2>&1; then - echo "" - (pv "${img}" > "/run/parabolaiso/copytoram/${img_fullname}") - local rc=$? - else - (cp -- "${img}" "/run/parabolaiso/copytoram/${img_fullname}") - local rc=$? - fi - - if [ $rc != 0 ]; then - echo "ERROR: while copy '${img}' to '/run/parabolaiso/copytoram/${img_fullname}'" - launch_interactive_shell - fi - - img="/run/parabolaiso/copytoram/${img_fullname}" - msg "done." - fi - sfs_dev="$(losetup --find --show --read-only -- "${img}")" - echo "${sfs_dev}" >> /run/parabolaiso/used_block_devices - _mnt_dev "${sfs_dev}" "${mnt}" "-r" "defaults" -} - -# args: /path/to/image_file, mountpoint -_mnt_erofs() { - local img="${1}" - local mnt="${2}" - local img_fullname="${img##*/}" - local erofs_dev - - # shellcheck disable=SC2154 - # defined via initcpio's parse_cmdline() - if [ "${copytoram}" = "y" ]; then - msg -n ":: Copying EROFS image to RAM..." - if ! cp -- "${img}" "/run/parabolaiso/copytoram/${img_fullname}" ; then - echo "ERROR: while copy '${img}' to '/run/parabolaiso/copytoram/${img_fullname}'" - launch_interactive_shell - fi - img="/run/parabolaiso/copytoram/${img_fullname}" - msg "done." - fi - erofs_dev="$(losetup --find --show --read-only -- "${img}")" - echo "${erofs_dev}" >> /run/parabolaiso/used_block_devices - _mnt_dev "${erofs_dev}" "${mnt}" "-r" "defaults" "erofs" -} - -# args: device, mountpoint, flags, opts -_mnt_dev() { - local dev="${1}" - local mnt="${2}" - local flg="${3}" - local opts="${4}" - local fstype="${5:-auto}" - - mkdir -p "${mnt}" - - msg ":: Mounting '${dev}' to '${mnt}'" - - while ! poll_device "${dev}" 30; do - echo "ERROR: '${dev}' device did not show up after 30 seconds..." - echo " Falling back to interactive prompt" - echo " You can try to fix the problem manually, log out when you are finished" - launch_interactive_shell - done - - if mount -t "${fstype}" -o "${opts}" "${flg}" "${dev}" "${mnt}"; then - msg ":: Device '${dev}' mounted successfully." - else - echo "ERROR; Failed to mount '${dev}'" - echo " Falling back to interactive prompt" - echo " You can try to fix the problem manually, log out when you are finished" - launch_interactive_shell - fi -} - -_verify_checksum() { - local _status - cd "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}" || exit 1 - sha512sum -c airootfs.sha512 > /tmp/checksum.log 2>&1 - _status=$? - cd -- "${OLDPWD}" || exit 1 - return "${_status}" -} - -_verify_signature() { - local _status - local sigfile="${1}" - cd "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}" || exit 1 - gpg --homedir /gpg --status-fd 1 --verify "${sigfile}" 2>/dev/null | grep -qE '^\[GNUPG:\] GOODSIG' - _status=$? - cd -- "${OLDPWD}" || exit 1 - return ${_status} -} - -run_hook() { - [ -z "${arch}" ] && arch="$(uname -m)" - [ -z "${copytoram_size}" ] && copytoram_size="75%" - [ -z "${parabolaisobasedir}" ] && parabolaisobasedir="parabola" - [ -z "${dm_snap_prefix}" ] && dm_snap_prefix="parabola" - # shellcheck disable=SC2154 - # defined via initcpio's parse_cmdline() - [ -z "${parabolaisodevice}" ] && parabolaisodevice="/dev/disk/by-label/${parabolaisolabel}" - [ -z "${cow_spacesize}" ] && cow_spacesize="256M" - # shellcheck disable=SC2154 - # defined via initcpio's parse_cmdline() - if [ -n "${cow_label}" ]; then - cow_device="/dev/disk/by-label/${cow_label}" - [ -z "${cow_persistent}" ] && cow_persistent="P" - elif [ -n "${cow_device}" ]; then - [ -z "${cow_persistent}" ] && cow_persistent="P" - else - cow_persistent="N" - fi - - [ -z "${cow_flags}" ] && cow_flags="defaults" - [ -z "${cow_directory}" ] && cow_directory="persistent_${parabolaisolabel}/${arch}" - [ -z "${cow_chunksize}" ] && cow_chunksize="8" - - # set mount handler for parabolaiso - export mount_handler="parabolaiso_mount_handler" -} - -# This function is called normally from init script, but it can be called -# as chain from other mount handlers. -# args: /path/to/newroot -parabolaiso_mount_handler() { - local newroot="${1}" - local sigfile - - if ! mountpoint -q "/run/parabolaiso/bootmnt"; then - _mnt_dev "${parabolaisodevice}" "/run/parabolaiso/bootmnt" "-r" "defaults" - if [ "${copytoram}" != "y" ]; then - readlink -f "${parabolaisodevice}" >> /run/parabolaiso/used_block_devices - fi - fi - - # shellcheck disable=SC2154 - # defined via initcpio's parse_cmdline() - if [ "${checksum}" = "y" ]; then - if [ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.sha512" ]; then - msg -n ":: Self-test requested, please wait..." - if _verify_checksum; then - msg "done. Checksum is OK, continue booting." - else - echo "ERROR: one or more files are corrupted" - echo "see /tmp/checksum.log for details" - launch_interactive_shell - fi - else - echo "ERROR: checksum=y option specified but ${parabolaisobasedir}/${arch}/airootfs.sha512 not found" - launch_interactive_shell - fi - fi - - # shellcheck disable=SC2154 - # defined via initcpio's parse_cmdline() - if [ "${verify}" = "y" ]; then - if [ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.sfs.sig" ]; then - sigfile="airootfs.sfs.sig" - elif [ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.erofs.sig" ]; then - sigfile="airootfs.erofs.sig" - fi - if [ -n "${sigfile}" ]; then - msg -n ":: Signature verification requested, please wait..." - if _verify_signature "${sigfile}"; then - msg "done. Signature is OK, continue booting." - else - echo "ERROR: one or more files are corrupted" - launch_interactive_shell - fi - else - echo "ERROR: verify=y option specified but GPG signature not found in ${parabolaisobasedir}/${arch}/" - launch_interactive_shell - fi - fi - - if [ "${copytoram}" = "y" ]; then - msg ":: Mounting /run/parabolaiso/copytoram (tmpfs) filesystem, size=${copytoram_size}" - mkdir -p /run/parabolaiso/copytoram - mount -t tmpfs -o "size=${copytoram_size}",mode=0755 copytoram /run/parabolaiso/copytoram - fi - - if [ -n "${cow_device}" ]; then - _mnt_dev "${cow_device}" "/run/parabolaiso/cowspace" "-r" "${cow_flags}" - readlink -f "${cow_device}" >> /run/parabolaiso/used_block_devices - mount -o remount,rw "/run/parabolaiso/cowspace" - else - msg ":: Mounting /run/parabolaiso/cowspace (tmpfs) filesystem, size=${cow_spacesize}..." - mkdir -p /run/parabolaiso/cowspace - mount -t tmpfs -o "size=${cow_spacesize}",mode=0755 cowspace /run/parabolaiso/cowspace - fi - mkdir -p "/run/parabolaiso/cowspace/${cow_directory}" - chmod 0700 "/run/parabolaiso/cowspace/${cow_directory}" - - if [ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.sfs" ]; then - _mnt_sfs "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.sfs" "/run/parabolaiso/airootfs" - elif [ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.erofs" ]; then - _mnt_erofs "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.erofs" "/run/parabolaiso/airootfs" - fi - if [ -f "/run/parabolaiso/airootfs/airootfs.img" ]; then - _mnt_dmsnapshot "/run/parabolaiso/airootfs/airootfs.img" "${newroot}" "/" - else - _mnt_overlayfs "/run/parabolaiso/airootfs" "${newroot}" "/" - fi - - if [ "${copytoram}" = "y" ]; then - umount -d /run/parabolaiso/bootmnt - rmdir /run/parabolaiso/bootmnt - fi -} - -# vim: set ft=sh: |