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Diffstat (limited to 'parabolaiso/initcpio/hooks/parabolaiso')
-rw-r--r--parabolaiso/initcpio/hooks/parabolaiso121
1 files changed, 64 insertions, 57 deletions
diff --git a/parabolaiso/initcpio/hooks/parabolaiso b/parabolaiso/initcpio/hooks/parabolaiso
index c23fd3d..ef79b2b 100644
--- a/parabolaiso/initcpio/hooks/parabolaiso
+++ b/parabolaiso/initcpio/hooks/parabolaiso
@@ -1,5 +1,5 @@
# args: source, newroot, mountpoint
-_mnt_fs() {
+_mnt_dmsnapshot() {
local img="${1}"
local newroot="${2}"
local mnt="${3}"
@@ -11,19 +11,13 @@ _mnt_fs() {
ro_dev=$(losetup --find --show --read-only "${img}")
echo ${ro_dev} >> /run/parabolaiso/used_block_devices
ro_dev_size=$(blockdev --getsz ${ro_dev})
- if [[ "${cowfile_size}" == "100" ]]; then
- rw_dev_size=${ro_dev_size}
- else
- # size calculation done in this way to avoid integer overflow when ro_dev_size is > 10.2G
- rw_dev_size=$((ro_dev_size/100*cowfile_size))
- fi
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}/${img_name}.cow' as persistent."
- dd of="/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${rw_dev_size} &> /dev/null
+ truncate -s "${cow_spacesize}" "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow"
fi
else
if [[ -f "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then
@@ -31,18 +25,28 @@ _mnt_fs() {
rm -f "/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow"
fi
msg ":: Creating '/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent."
- dd of="/run/parabolaiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${rw_dev_size} &> /dev/null
+ 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
- echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} 8" | dmsetup create ${dm_snap_name}
+ dmsetup create ${dm_snap_name} --table "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} ${cow_chunksize}"
- _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w"
+ _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w" "defaults"
echo $(readlink -f /dev/mapper/${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="${1}"
@@ -61,14 +65,15 @@ _mnt_sfs() {
fi
sfs_dev=$(losetup --find --show --read-only "${img}")
echo ${sfs_dev} >> /run/parabolaiso/used_block_devices
- _mnt_dev "${sfs_dev}" "${mnt}" "-r"
+ _mnt_dev "${sfs_dev}" "${mnt}" "-r" "defaults"
}
-# args: device, mountpoint, flags
+# args: device, mountpoint, flags, opts
_mnt_dev() {
local dev="${1}"
local mnt="${2}"
local flg="${3}"
+ local opts="${4}"
mkdir -p "${mnt}"
@@ -81,7 +86,7 @@ _mnt_dev() {
launch_interactive_shell
done
- if mount "${flg}" "${dev}" "${mnt}"; then
+ if mount -o "${opts}" "${flg}" "${dev}" "${mnt}"; then
msg ":: Device '${dev}' mounted successfully."
else
echo "ERROR; Failed to mount '${dev}'"
@@ -93,8 +98,17 @@ _mnt_dev() {
_verify_checksum() {
local _status
- cd "/run/parabolaiso/bootmnt/${parabolaisobasedir}"
- md5sum -c checksum.${arch}.md5 > /tmp/checksum.${arch}.log 2>&1
+ cd "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}"
+ sha512sum -c airootfs.sha512 > /tmp/checksum.log 2>&1
+ _status=$?
+ cd "${OLDPWD}"
+ return ${_status}
+}
+
+_verify_signature() {
+ local _status
+ cd "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}"
+ gpg --homedir /gpg --status-fd 1 --verify airootfs.sfs.sig 2>/dev/null | grep -qE '^\[GNUPG:\] GOODSIG'
_status=$?
cd "${OLDPWD}"
return ${_status}
@@ -102,22 +116,11 @@ _verify_checksum() {
run_hook() {
[[ -z "${arch}" ]] && arch="$(uname -m)"
- [[ -z "${cowspace_size}" ]] && cowspace_size="75%"
[[ -z "${copytoram_size}" ]] && copytoram_size="75%"
[[ -z "${parabolaisobasedir}" ]] && parabolaisobasedir="parabola"
[[ -z "${dm_snap_prefix}" ]] && dm_snap_prefix="parabola"
[[ -z "${parabolaisodevice}" ]] && parabolaisodevice="/dev/disk/by-label/${parabolaisolabel}"
- if [[ -z "${cowfile_size}" ]]; then
- cowfile_size="100"
- else
- cowfile_size=${cowfile_size/%}
- fi
-
- if [[ -z "${aitab}" ]]; then
- aitab="/run/parabolaiso/bootmnt/${parabolaisobasedir}/aitab"
- else
- aitab="/run/parabolaiso/bootmnt/${parabolaisobasedir}/${aitab}"
- fi
+ [[ -z "${cow_spacesize}" ]] && cow_spacesize="256M"
if [[ -n "${cow_label}" ]]; then
cow_device="/dev/disk/by-label/${cow_label}"
@@ -128,7 +131,9 @@ run_hook() {
cow_persistent="N"
fi
+ [[ -z "${cow_flags}" ]] && cow_flags="defaults"
[[ -z "${cow_directory}" ]] && cow_directory="persistent_${parabolaisolabel}/${arch}"
+ [[ -z "${cow_chunksize}" ]] && cow_chunksize="8"
# set mount handler for parabolaiso
mount_handler="parabolaiso_mount_handler"
@@ -141,32 +146,39 @@ parabolaiso_mount_handler() {
local newroot="${1}"
if ! mountpoint -q "/run/parabolaiso/bootmnt"; then
- _mnt_dev "${parabolaisodevice}" "/run/parabolaiso/bootmnt" "-r"
+ _mnt_dev "${parabolaisodevice}" "/run/parabolaiso/bootmnt" "-r" "defaults"
if [[ "${copytoram}" != "y" ]]; then
echo $(readlink -f ${parabolaisodevice}) >> /run/parabolaiso/used_block_devices
fi
fi
-
- if [[ ! -f "${aitab}" ]]; then
- echo "ERROR: '${aitab}' file does not exist."
- echo " Falling back to interactive prompt"
- echo " You can try to fix the problem manually, log out when you are finished"
- launch_interactive_shell
- fi
-
if [[ "${checksum}" == "y" ]]; then
- if [[ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/checksum.${arch}.md5" ]]; 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.${arch}.log for details"
+ echo "see /tmp/checksum.log for details"
launch_interactive_shell
fi
else
- echo "ERROR: checksum=y option specified but checksum.${arch}.md5 not found"
+ echo "ERROR: checksum=y option specified but ${parabolaisobasedir}/${arch}/airootfs.sha512 not found"
+ launch_interactive_shell
+ fi
+ fi
+
+ if [[ "${verify}" == "y" ]]; then
+ if [[ -f "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.sfs.sig" ]]; then
+ msg -n ":: Signature verification requested, please wait..."
+ if _verify_signature; 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 ${parabolaisobasedir}/${arch}/airootfs.sfs.sig not found"
launch_interactive_shell
fi
fi
@@ -178,30 +190,25 @@ parabolaiso_mount_handler() {
fi
if [[ -n "${cow_device}" ]]; then
- _mnt_dev "${cow_device}" "/run/parabolaiso/cowspace" "-r"
+ _mnt_dev "${cow_device}" "/run/parabolaiso/cowspace" "-r" "${cow_flags}"
echo $(readlink -f ${cow_device}) >> /run/parabolaiso/used_block_devices
mount -o remount,rw "/run/parabolaiso/cowspace"
else
- msg ":: Mounting /run/parabolaiso/cowspace (tmpfs) filesystem, size=${cowspace_size}..."
+ msg ":: Mounting /run/parabolaiso/cowspace (tmpfs) filesystem, size=${cow_spacesize}..."
mkdir -p /run/parabolaiso/cowspace
- mount -t tmpfs -o "size=${cowspace_size}",mode=0755 cowspace /run/parabolaiso/cowspace
+ mount -t tmpfs -o "size=${cow_spacesize}",mode=0755 cowspace /run/parabolaiso/cowspace
+ fi
+ mkdir -p -m 0700 "/run/parabolaiso/cowspace/${cow_directory}"
+
+ _mnt_sfs "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${arch}/airootfs.sfs" "/run/parabolaiso/sfs/airootfs"
+ if [[ -f "/run/parabolaiso/sfs/airootfs/airootfs.img" ]]; then
+ _mnt_dmsnapshot "/run/parabolaiso/sfs/airootfs/airootfs.img" "${newroot}" "/"
+ else
+ _mnt_overlayfs "/run/parabolaiso/sfs/airootfs" "${newroot}" "/"
fi
- mkdir -p "/run/parabolaiso/cowspace/${cow_directory}"
-
- local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size
- while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do
- [[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue
- [[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue
- if [[ "${aitab_fs_type}" != "none" ]]; then
- _mnt_sfs "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/run/parabolaiso/sfs/${aitab_img}"
- _mnt_fs "/run/parabolaiso/sfs/${aitab_img}/${aitab_img}.fs" "${newroot}" "${aitab_mnt}"
- else
- _mnt_sfs "/run/parabolaiso/bootmnt/${parabolaisobasedir}/${aitab_arch}/${aitab_img}.sfs" "${newroot}${aitab_mnt}"
- fi
- done < "${aitab}"
if [[ "${copytoram}" == "y" ]]; then
- umount /run/parabolaiso/bootmnt
+ umount -d /run/parabolaiso/bootmnt
fi
}