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This commit is contained in:
illiliti
2020-02-07 15:46:34 +03:00
parent 5750eae2b1
commit e2140f8423
1 changed files with 28 additions and 14 deletions
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@@ -5,14 +5,11 @@
# print message
msg() {
case "$1" in
warn)
printf "warning >> %s\n" "$2"
;;
info)
printf "info >> %s\n" "$2"
printf "info >> %s\n" "$2" >&2
;;
panic)
printf "panic >> %s\n" "$2"
printf "panic >> %s\n" "$2" >&2
exit 1
;;
esac
@@ -20,11 +17,13 @@ msg() {
# remove tmpdir
remove_tmpdir() {
msg info "removing work dir"
rm -rf "$tmpdir"
}
# change current directory to script directory if user haven't do it
check_currentdir() {
msg info "changing directory to script dir"
script_dir=$(dirname $(readlink -f -- "$0"))
[ "$PWD" = "$script_dir" ] || {
cd "$script_dir" || msg panic "failed to change directory"
@@ -33,6 +32,7 @@ check_currentdir() {
# check needed files
check_requirements() {
msg info "checking requirements"
# TODO use system busybox
for f in ./init ./busybox; do
[ -e "$f" ] || msg panic "$f doesn't exists"
@@ -43,6 +43,7 @@ check_requirements() {
# create FHS directory structure
create_structure() {
msg info "creating directory structure"
for d in dev tmp var run etc usr/lib usr/bin mnt/root proc root sys; do
mkdir -p "${tmpdir}/${d}"
done
@@ -53,6 +54,7 @@ create_structure() {
# also POSIX ln doesn't have --relative flag like in GNU ln. as workaround
# we change directory to tmpdir and make needed symlinks.
create_symlinks() {
msg info "creating symlinks"
( cd "$tmpdir" && {
ln -s usr/lib lib
ln -s usr/lib lib64
@@ -76,12 +78,14 @@ create_symlinks() {
# install mdev
install_mdev() {
msg info "installing mdev"
install -m644 mdev.conf -t "${tmpdir}/etc"
install -Dm755 storage-device -t "${tmpdir}/lib/mdev"
}
# install mdevd
install_mdevd() {
msg info "installing mdevd"
install_binaries mdevd mdevd-coldplug
install -m644 mdev.conf -t "${tmpdir}/etc"
install -Dm755 storage-device -t "${tmpdir}/lib/mdev"
@@ -89,6 +93,7 @@ install_mdevd() {
# install udev
install_udev() {
msg info "installing udev"
install_binaries udevd udevadm dmsetup
# FIXME rewrite this piece of crap
find /usr/lib/udev -type f | grep -v "rc_keymaps\|hwdb.d" | cpio -pd "$tmpdir" >/dev/null 2>&1
@@ -96,13 +101,14 @@ install_udev() {
# handle lvm
install_lvm() {
msg info "installing LVM"
install_binaries lvm
# if hostonly mode enabled install only needed drivers
[ "$hostonly" = 1 ] && {
for lvm_driver in dm-thin-pool dm-multipath dm-snapshot dm-cache dm-log dm-mirror; do
for lvm_driver_dep in $(modprobe -D "$lvm_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
install -Dm644 "$lvm_driver_dep" "${tmpdir}${lvm_driver_dep}" 2>/dev/null
install -Dm644 "$lvm_driver_dep" "${tmpdir}${lvm_driver_dep}"
done
done
}
@@ -121,13 +127,14 @@ install_lvm() {
# handle luks
install_luks() {
msg info "installing LUKS"
install_binaries cryptsetup
# if hostonly mode enabled install only needed drivers
[ "$hostonly" = 1 ] && {
for luks_driver in aes dm-crypt sha256 sha512 wp512 ecb lrw xts twofish serpent; do
for luks_driver_dep in $(modprobe -D "$luks_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
install -Dm644 "$luks_driver_dep" "${tmpdir}${luks_driver_dep}" 2>/dev/null
install -Dm644 "$luks_driver_dep" "${tmpdir}${luks_driver_dep}"
done
done
}
@@ -137,32 +144,33 @@ install_luks() {
# TODO get rid of this workaround
# workaround for luks2
install -s -m755 /usr/lib/libgcc_s.so.1 -t "${tmpdir}/usr/lib"
install -s -m755 /usr/lib/libgcc_s.so.1 -t "${tmpdir}/usr/lib" || msg panic "failed to install LUKS libraries"
# block discard support
[ "$luks_discard" = 1 ] && luks_args="--allow-discards $luks_args"
# copy luks header
[ -f "$luks_header" ] && {
install -m400 "$luks_header" "${tmpdir}/root/luks_header"
install -m400 "$luks_header" "${tmpdir}/root/luks_header" || msg panic "failed to copy LUKS header"
luks_args="--header=/root/luks_header $luks_args"
}
# copy luks keyfile
[ -f "$luks_keyfile" ] && {
install -m400 "$luks_keyfile" "${tmpdir}/root/luks_keyfile"
install -m400 "$luks_keyfile" "${tmpdir}/root/luks_keyfile" || msg panic "failed to copy LUKS keyfile"
luks_args="--key-file=/root/luks_keyfile $luks_args"
}
}
# install drivers
install_drivers() {
msg info "installing hostonly drivers"
[ -n "$root_type" ] || msg panic "hostonly mode required root_type option to be configured"
# perform autodetection of drivers via /sys
for driver in $(find /sys/devices -name modalias -exec sort -u "{}" "+"); do
for driver_dep in $(modprobe -D "$driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}" 2>/dev/null
install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}"
done
done
@@ -170,14 +178,14 @@ install_drivers() {
# TODO separate root type option
# install root fs driver
for root_driver in $(modprobe -D "$root_type" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
install -Dm644 "$root_driver" "${tmpdir}${root_driver}" 2>/dev/null
install -Dm644 "$root_driver" "${tmpdir}${root_driver}"
done
# install user specified drivers
[ -n "$drivers" ] && {
for custom_driver in $(printf "%s\n" "$drivers" | tr " " "\n"); do
for custom_driver_dep in $(modprobe -D "$custom_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
install -Dm644 "$custom_driver_dep" "${tmpdir}${custom_driver_dep}" 2>/dev/null
install -Dm644 "$custom_driver_dep" "${tmpdir}${custom_driver_dep}"
done
done
}
@@ -185,6 +193,7 @@ install_drivers() {
# find and install all drivers
install_all_drivers() {
msg info "installing all drivers"
find \
"${modker}/kernel/arch" \
"${modker}/kernel/crypto" \
@@ -202,6 +211,7 @@ install_all_drivers() {
# generate "modules" files
generate_depmod() {
msg info "generating dependendies list of drivers"
# install list of drivers
cp "${modker}/modules.softdep" "${modker}/modules.builtin" "${modker}/modules.order" "${tmpdir}/${modker}"
@@ -213,6 +223,7 @@ generate_depmod() {
# handle binaries
install_binaries() {
for b in $(printf "%s\n" "$@" | tr " " "\n"); do
msg info "installing binary $b"
# check binary existence
command -v "$b" >/dev/null 2>&1 || msg panic "$b doesn't exists"
@@ -231,6 +242,7 @@ install_binaries() {
# handle libraries
install_libraries() {
for l in $(ldd "$(command -v $1)" | sed -nre 's,.* (/.*lib.*/.*.so.*) .*,\1,p' -e 's,.*(/lib.*/ld.*.so.*) .*,\1,p'); do
msg info "installing library $l"
# check symlink
if [ -h "$l" ]; then
# check lib already existence
@@ -253,8 +265,9 @@ install_libraries() {
done
}
# install important files
# install important files used by init
install_files() {
msg info "installing files"
# FIXME eof broken
# initialize config
cat <<EOF > "${tmpdir}/config"
@@ -301,6 +314,7 @@ EOF
# TODO add more compession tools
# create and compress cpio archive
create_initramfs() {
msg info "creating initramfs image"
{
( cd "$tmpdir" && {
find . | cpio -oH newc | gzip -9