Linux ip-172-26-7-228 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64
Your IP : 3.138.134.149
#!/bin/sh
umask 0022
export PATH='/usr/bin:/sbin:/bin'
# Defaults
keep="n"
CONFDIR="/etc/initramfs-tools"
verbose="n"
# Will be updated by busybox's conf hook, if present
BUSYBOXDIR=
export BUSYBOXDIR
OPTIONS=`getopt -o c:d:ko:r:v -n "$0" -- "$@"`
# Check for non-GNU getopt
if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
eval set -- "$OPTIONS"
while true; do
case "$1" in
-c)
compress="$2"
shift 2
;;
-d)
CONFDIR="$2"
shift 2
if [ ! -d "${CONFDIR}" ]; then
echo "${0}: ${CONFDIR}: Not a directory" >&2
exit 1
fi
;;
-o)
outfile="$2"
shift 2
;;
-k)
keep="y"
shift
;;
-r)
ROOT="$2"
shift 2
;;
-v)
verbose="y"
shift
;;
--)
shift
break
;;
*)
echo "Internal error!" >&2
exit 1
;;
esac
done
# For dependency ordered mkinitramfs hook scripts.
. /usr/share/initramfs-tools/scripts/functions
. /usr/share/initramfs-tools/hook-functions
. "${CONFDIR}/initramfs.conf"
EXTRA_CONF=''
for i in /usr/share/initramfs-tools/conf.d/* ${CONFDIR}/conf.d/*; do
[ -e $i ] && EXTRA_CONF="${EXTRA_CONF} $(basename $i \
| grep '^[[:alnum:]][[:alnum:]\._-]*$' | grep -v '\.dpkg-.*$')";
done
# FIXME: deprecated those settings on mkinitramfs run
# these conf dirs are for boot scripts and land on initramfs
for i in ${EXTRA_CONF}; do
if [ -d ${CONFDIR}/conf.d/${i} ]; then
echo "Warning: ${CONFDIR}/conf.d/${i} is a directory instead of file, ignoring."
elif [ -e ${CONFDIR}/conf.d/${i} ]; then
. ${CONFDIR}/conf.d/${i}
elif [ -e /usr/share/initramfs-tools/conf.d/${i} ]; then
. /usr/share/initramfs-tools/conf.d/${i}
fi
done
# source package confs
for i in /usr/share/initramfs-tools/conf-hooks.d/*; do
if [ -d "${i}" ]; then
echo "Warning: ${i} is a directory instead of file, ignoring."
elif [ -e "${i}" ]; then
. "${i}"
fi
done
# Check busybox dependency
if [ "${BUSYBOX}" = "y" ] && [ -z "${BUSYBOXDIR}" ]; then
echo >&2 "E: busybox-initramfs, version 1:1.22.0-17~ or later, is required but not installed"
exit 1
fi
if [ -n "${UMASK:-}" ]; then
umask "${UMASK}"
fi
if [ -z "${outfile}" ]; then
usage
fi
touch "$outfile"
outfile="$(readlink -f "$outfile")"
# And by "version" we really mean path to kernel modules
# This is braindead, and exists to preserve the interface with mkinitrd
if [ ${#} -ne 1 ]; then
version="$(uname -r)"
else
version="${1}"
fi
case "${version}" in
/lib/modules/*/[!/]*)
;;
/lib/modules/[!/]*)
version="${version#/lib/modules/}"
version="${version%%/*}"
;;
esac
case "${version}" in
*/*)
echo "$PROG: ${version} is not a valid kernel version" >&2
exit 1
;;
esac
# Check userspace and kernel support for compressed initramfs images
if [ -z "${compress:-}" ]; then
compress=${COMPRESS}
else
COMPRESS=${compress}
fi
if ! command -v "${compress}" >/dev/null 2>&1; then
compress=gzip
[ "${verbose}" = y ] && \
echo "No ${COMPRESS} in ${PATH}, using gzip"
COMPRESS=gzip
fi
if dpkg --compare-versions "${version}" lt "2.6.38" 2>/dev/null; then
compress=gzip
[ "${verbose}" = y ] && \
echo "linux-2.6 likely misses ${COMPRESS} support, using gzip"
fi
[ "${compress}" = lzop ] && compress="lzop -9"
[ "${compress}" = xz ] && compress="xz --check=crc32"
if [ -d "${outfile}" ]; then
echo "${outfile} is a directory" >&2
exit 1
fi
MODULESDIR="/lib/modules/${version}"
if [ ! -e "${MODULESDIR}" ]; then
echo "WARNING: missing ${MODULESDIR}"
echo "Ensure all necessary drivers are built into the linux image!"
fi
if [ ! -e "${MODULESDIR}/modules.dep" ]; then
depmod ${version}
fi
# Prepare to clean up temporary files on exit
DESTDIR=
__TMPCPIOGZ=
__TMPEARLYCPIO=
clean_on_exit() {
if [ "${keep}" = "y" ]; then
echo "Working files in ${DESTDIR:-<not yet created>}, early initramfs in ${__TMPEARLYCPIO:-<not yet created>} and overlay in ${__TMPCPIOGZ:-<not yet created>}"
else
for path in "${DESTDIR}" "${__TMPCPIOGZ}" "${__TMPEARLYCPIO}"; do
test -z "${path}" || rm -rf "${path}"
done
fi
}
trap clean_on_exit EXIT
trap "exit 1" INT TERM # makes the EXIT trap effective even when killed
# Create temporary directory and files for initramfs contents
[ -n "${TMPDIR}" ] && [ ! -w "${TMPDIR}" ] && unset TMPDIR
DESTDIR="$(mktemp -d ${TMPDIR:-/var/tmp}/mkinitramfs_XXXXXX)" || exit 1
chmod 755 "${DESTDIR}"
__TMPCPIOGZ="$(mktemp ${TMPDIR:-/var/tmp}/mkinitramfs-OL_XXXXXX)" || exit 1
__TMPEARLYCPIO="$(mktemp ${TMPDIR:-/var/tmp}/mkinitramfs-FW_XXXXXX)" || exit 1
DPKG_ARCH=`dpkg --print-architecture`
# Export environment for hook scripts.
#
export MODULESDIR
export version
export CONFDIR
export DESTDIR
export DPKG_ARCH
export verbose
export MODULES
export BUSYBOX
export COMPCACHE_SIZE
export RESUME
# Private, used by 'catenate_cpiogz'.
export __TMPCPIOGZ
# Private, used by 'prepend_earlyinitramfs'.
export __TMPEARLYCPIO
for d in bin conf/conf.d etc lib/modules run sbin scripts ${MODULESDIR}; do
mkdir -p "${DESTDIR}/${d}"
done
# Copy in modules.builtin and modules.order (not generated by depmod)
for x in modules.builtin modules.order; do
if [ -f "${MODULESDIR}/${x}" ]; then
cp -p "${MODULESDIR}/${x}" "${DESTDIR}${MODULESDIR}/${x}"
fi
done
# MODULES=list case. Always honour.
for x in "${CONFDIR}/modules" /usr/share/initramfs-tools/modules.d/*; do
if [ -f "${x}" ]; then
add_modules_from_file "${x}"
fi
done
# MODULES=most is default
case "${MODULES}" in
dep)
dep_add_modules
;;
most)
auto_add_modules
;;
netboot)
auto_add_modules base
auto_add_modules net
;;
list)
# nothing to add
;;
*)
echo "W: mkinitramfs: unsupported MODULES setting: ${MODULES}."
echo "W: mkinitramfs: Falling back to MODULES=most."
auto_add_modules
;;
esac
# Resolve hidden dependencies
hidden_dep_add_modules
# First file executed by linux
cp -p /usr/share/initramfs-tools/init ${DESTDIR}/init
# add existant boot scripts
for b in $(cd /usr/share/initramfs-tools/scripts/ && find . \
-regextype posix-extended -regex '.*/[[:alnum:]\._-]+$' -type f); do
option=$(sed '/^OPTION=/!d;$d;s/^OPTION=//;s/[[:space:]]*$//' "/usr/share/initramfs-tools/scripts/${b}")
[ -z "${option}" ] || eval test -n \"\${$option}\" -a \"\${$option}\" != \"n\" || continue
[ -d "${DESTDIR}/scripts/$(dirname "${b}")" ] \
|| mkdir -p "${DESTDIR}/scripts/$(dirname "${b}")"
cp -p "/usr/share/initramfs-tools/scripts/${b}" \
"${DESTDIR}/scripts/$(dirname "${b}")/"
done
# Prune dot-files/directories and limit depth to exclude VCS files
for b in $(cd "${CONFDIR}/scripts" && find . -maxdepth 2 -name '.?*' -prune -o \
-regextype posix-extended -regex '.*/[[:alnum:]\._-]+$' -type f -print); do
option=$(sed '/^OPTION=/!d;$d;s/^OPTION=//;s/[[:space:]]*$//' "${CONFDIR}/scripts/${b}")
[ -z "${option}" ] || eval test -n \"\${$option}\" -a \"\${$option}\" != \"n\" || continue
[ -d "${DESTDIR}/scripts/$(dirname "${b}")" ] \
|| mkdir -p "${DESTDIR}/scripts/$(dirname "${b}")"
cp -p "${CONFDIR}/scripts/${b}" "${DESTDIR}/scripts/$(dirname "${b}")/"
done
echo "DPKG_ARCH=${DPKG_ARCH}" > ${DESTDIR}/conf/arch.conf
cp -p "${CONFDIR}/initramfs.conf" ${DESTDIR}/conf
for i in ${EXTRA_CONF}; do
if [ -e "${CONFDIR}/conf.d/${i}" ]; then
copy_file config "${CONFDIR}/conf.d/${i}" /conf/conf.d
elif [ -e "/usr/share/initramfs-tools/conf.d/${i}" ]; then
copy_file config "/usr/share/initramfs-tools/conf.d/${i}" \
/conf/conf.d
fi
done
# ROOT hardcoding
if [ -n "${ROOT:-}" ]; then
echo "ROOT=${ROOT}" > ${DESTDIR}/conf/conf.d/root
fi
if ! command -v ldd >/dev/null 2>&1 ; then
echo "WARNING: no ldd around - install libc-bin" >&2
exit 1
fi
# fstab and mtab
touch "${DESTDIR}/etc/fstab"
ln -s /proc/mounts "${DESTDIR}/etc/mtab"
# install wait-for-root binary.
copy_exec /usr/lib/initramfs-tools/bin/wait-for-root /sbin
# module-init-tools
copy_exec /sbin/modprobe /sbin
copy_exec /sbin/rmmod /sbin
mkdir -p "${DESTDIR}/etc/modprobe.d" "${DESTDIR}/lib/modprobe.d"
for file in /etc/modprobe.d/*.conf /lib/modprobe.d/*.conf ; do
if test -e "$file" || test -L "$file" ; then
copy_file config "$file"
fi
done
# workaround: libgcc always needed on old-abi arm
if [ "$DPKG_ARCH" = arm ] || [ "$DPKG_ARCH" = armeb ]; then
cp -a /lib/libgcc_s.so.1 "${DESTDIR}/lib/"
fi
run_scripts_optional /usr/share/initramfs-tools/hooks
run_scripts_optional "${CONFDIR}"/hooks
# Avoid double sleep when using older udev scripts
sed -i 's/^\s*sleep \$ROOTDELAY$/:/' "${DESTDIR}/scripts/init-top/udev"
# cache boot run order
for b in $(cd "${DESTDIR}/scripts" && find . -mindepth 1 -type d); do
cache_run_scripts "${DESTDIR}" "/scripts/${b#./}"
done
# generate module deps
depmod -a -b "${DESTDIR}" ${version}
rm -f "${DESTDIR}/lib/modules/${version}"/modules.*map
# make sure that library search path is up to date
cp -ar /etc/ld.so.conf* "$DESTDIR"/etc/
if ! ldconfig -r "$DESTDIR" ; then
[ $(id -u) != "0" ] \
&& echo "ldconfig might need uid=0 (root) for chroot()" >&2
fi
# Apply DSDT to initramfs
if [ -e "${CONFDIR}/DSDT.aml" ]; then
copy_file DSDT "${CONFDIR}/DSDT.aml"
fi
# Make sure there is a final sh in initramfs
if [ ! -e "${DESTDIR}/bin/sh" ]; then
copy_exec /bin/sh "${DESTDIR}/bin/"
fi
case "${MODULES}" in
netboot|most) add_dns "${DESTDIR}/";;
esac
# Remove any looping or broken symbolic links, since they break cpio.
[ "${verbose}" = y ] && xargs_verbose="-t"
(cd "${DESTDIR}" && find . -type l -printf '%p %Y\n' | sed -n 's/ [LN]$//p' \
| xargs ${xargs_verbose:-} -rL1 rm -f)
# dirty hack for armhf's double-linker situation; if we have one of
# the two known eglibc linkers, nuke both and re-create sanity
if [ "$DPKG_ARCH" = armhf ]; then
if [ -e "${DESTDIR}/lib/arm-linux-gnueabihf/ld-linux.so.3" ] || \
[ -e "${DESTDIR}/lib/ld-linux-armhf.so.3" ]; then
rm -f "${DESTDIR}/lib/arm-linux-gnueabihf/ld-linux.so.3"
rm -f "${DESTDIR}/lib/ld-linux-armhf.so.3"
cp -aL /lib/ld-linux-armhf.so.3 "${DESTDIR}/lib/"
ln -sf /lib/ld-linux-armhf.so.3 "${DESTDIR}/lib/arm-linux-gnueabihf/ld-linux.so.3"
fi
fi
[ "${verbose}" = y ] && echo "Building cpio ${outfile} initramfs"
if [ -s "${__TMPEARLYCPIO}" ]; then
cat "${__TMPEARLYCPIO}" >"${outfile}" || exit 1
else
# truncate
> "${outfile}"
fi
(
# preserve permissions if root builds the image, see #633582
[ "$(id -ru)" != 0 ] && cpio_owner_root="-R 0:0"
# work around lack of "set -o pipefail" for the following pipe:
# cd "${DESTDIR}" && find . | cpio --quiet $cpio_owner_root -o -H newc | gzip >>"${outfile}" || exit 1
exec 3>&1
eval `
# http://cfaj.freeshell.org/shell/cus-faq-2.html
exec 4>&1 >&3 3>&-
cd "${DESTDIR}"
{
find . 4>&-; echo "ec1=$?;" >&4
} | {
cpio --quiet $cpio_owner_root -o -H newc 4>&-; echo "ec2=$?;" >&4
} | ${compress} >>"${outfile}"
echo "ec3=$?;" >&4
`
if [ "$ec1" -ne 0 ]; then
echo "E: mkinitramfs failure find $ec1 cpio $ec2 $compress $ec3"
exit "$ec1"
fi
if [ "$ec2" -ne 0 ]; then
echo "E: mkinitramfs failure cpio $ec2 $compress $ec3"
exit "$ec2"
fi
if [ "$ec3" -ne 0 ]; then
echo "E: mkinitramfs failure $compress $ec3"
exit "$ec3"
fi
) || exit 1
if [ -s "${__TMPCPIOGZ}" ]; then
cat "${__TMPCPIOGZ}" >>"${outfile}" || exit 1
fi
exit 0
|