check_dev ()
{
+ local force fix
sysdev="${1}"
devname="${2}"
skip_uuid_check="${3}"
ISO_DEVICE=$(dirname ${ISO_DEVICE})
[ -b "$ISO_DEVICE" ] && break
i=$(($i -1))
- done
+ done
fi
if [ "$ISO_DEVICE" = "/" ]
then
- echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
+ # not a block device, check if it's an iso file, for
+ # example an ISO when booting on an ONIE system
+ if echo "${FROMISO}" | grep -q "\.iso$"
+ then
+ fs_type=$(get_fstype "${FROMISO}")
+ if is_supported_fs ${fs_type}
+ then
+ mkdir /run/live/fromiso
+ mount -t $fs_type "${FROMISO}" /run/live/fromiso
+ if [ "$?" != 0 ]
+ then
+ echo "Warning: unable to mount ${FROMISO}." >>/boot.log
+ fi
+ devname="/run/live/fromiso"
+ fi
+ else
+ echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
+ fi
else
fs_type=$(get_fstype "${ISO_DEVICE}")
if is_supported_fs ${fs_type}
then
- mkdir /live/fromiso
- mount -t $fs_type "$ISO_DEVICE" /live/fromiso
+ mkdir /run/live/fromiso
+ mount -t $fs_type "$ISO_DEVICE" /run/live/fromiso
ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
- loopdevname=$(setup_loop "/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
+ loopdevname=$(setup_loop "/run/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
devname="${loopdevname}"
else
echo "Warning: unable to mount $ISO_DEVICE." >>/boot.log
then
devuid=$(blkid -o value -s UUID "$devname")
[ -n "$devuid" ] && grep -qs "\<$devuid\>" /var/lib/live/boot/devices-already-tried-to-mount && continue
+
+ for _PARAMETER in ${LIVE_BOOT_CMDLINE}
+ do
+ case "${_PARAMETER}" in
+ forcefsck)
+ FORCEFSCK="true"
+ ;;
+ esac
+ done
+
+ if [ "${PERSISTENCE_FSCK}" = "true" ] || [ "${PERSISTENCE_FSCK}" = "yes" ] || [ "${FORCEFSCK}" = "true" ]
+ then
+ force=""
+ if [ "$FORCEFSCK" = "true" ]
+ then
+ force="-f"
+ fi
+
+ fix="-a"
+ if [ "$FSCKFIX" = "true" ] || [ "$FSCKFIX" = "yes" ]
+ then
+ fix="-y"
+ fi
+
+ fsck $fix $force ${devname} >> fsck.log 2>&1
+ fi
+
mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
[ -n "$devuid" ] && echo "$devuid" >> /var/lib/live/boot/devices-already-tried-to-mount
if [ -f ${mountpoint}/${FINDISO} ]
then
umount ${mountpoint}
- mkdir -p /live/findiso
- mount -t ${fstype} -o ro,noatime "${devname}" /live/findiso
- loopdevname=$(setup_loop "/live/findiso/${FINDISO}" "loop" "/sys/block/loop*" 0 "")
+ mkdir -p /run/live/findiso
+ mount -t ${fstype} -o ro,noatime "${devname}" /run/live/findiso
+ loopdevname=$(setup_loop "/run/live/findiso/${FINDISO}" "loop" "/sys/block/loop*" 0 "")
devname="${loopdevname}"
mount -t iso9660 -o ro,noatime "${devname}" ${mountpoint}
else
return 1
fi
+ # get_fstype might report "unknown" or "swap", ignore it as no such kernel module exists
+ if [ "${fstype}" = "unknown" ] || [ "${fstype}" = "swap" ]
+ then
+ return 1
+ fi
+
# Try to look if it is already supported by the kernel
if grep -q ${fstype} /proc/filesystems
then
return 0
else
# Then try to add support for it the gentle way using the initramfs capabilities
- modprobe ${fstype}
+ modprobe -q -b ${fstype}
if grep -q ${fstype} /proc/filesystems
then
return 0
get_fstype ()
{
- /sbin/blkid -s TYPE -o value $1 2>/dev/null
+ blkid -s TYPE -o value $1 2>/dev/null
}
where_is_mounted ()
{
testpath="${1}"
mounts="$(awk '{print $2}' /proc/mounts)"
- testpath="$(busybox realpath ${testpath})"
+ testpath="$(realpath ${testpath})"
while true
do
echo "${passphrase}" > /tmp/passphrase
unset passphrase
exec 9</tmp/passphrase
- /sbin/losetup ${options} -e "${encryption}" -p 9 "${dev}" "${fspath}"
+ losetup ${options} -e "${encryption}" -p 9 "${dev}" "${fspath}"
error=${?}
exec 9<&-
rm -f /tmp/passphrase
# get_custom_mounts() might call this with a directory path instead
# of a block device path. This means we have found sub-directory path
- # underneath /lib/live/mounts/persistence, so we're done
+ # underneath /run/live/persistence, so we're done
if [ -d "${device}" ]
then
echo "${device}"
return 1
fi
- backing="/live/persistence/$(basename ${device})"
+ backing="/run/live/persistence/$(basename ${device})"
mkdir -p "${backing}"
old_backing="$(where_is_mounted ${device})"
fi
elif [ "${backing}" != "${old_backing}" ]
then
- if ! mount --move ${old_backing} ${backing} >/dev/null
+ if ! mount -o move ${old_backing} ${backing} >/dev/null
then
[ -z "${probe}" ] && log_warning_msg "Failed to move persistence media ${device}"
rmdir "${backing}"
if is_active_luks_mapping ${device}
then
- /sbin/cryptsetup luksClose ${device}
+ cryptsetup luksClose ${device}
fi
}
opts="${opts} --readonly"
fi
- if /sbin/cryptsetup status "${name}" >/dev/null 2>&1
+ if cryptsetup status "${name}" >/dev/null 2>&1
then
re="^[[:space:]]*device:[[:space:]]*\([^[:space:]]*\)$"
opened_dev=$(cryptsetup status ${name} 2>/dev/null | grep "${re}" | sed "s|${re}|\1|")
while true
do
$cryptkeyscript "$cryptkeyprompt" | \
- /sbin/cryptsetup -T 1 luksOpen ${dev} ${name} ${opts}
+ cryptsetup -T 1 luksOpen ${dev} ${name} ${opts}
if [ 0 -eq ${?} ]
then
{
local dev
dev="${1}"
- /sbin/blkid -s PART_ENTRY_NAME -p -o value ${dev} 2>/dev/null
+ blkid -s PART_ENTRY_NAME -p -o value ${dev} 2>/dev/null
}
is_gpt_device ()
{
local dev
dev="${1}"
- [ "$(/sbin/blkid -s PART_ENTRY_SCHEME -p -o value ${dev} 2>/dev/null)" = "gpt" ]
+ [ "$(blkid -s PART_ENTRY_SCHEME -p -o value ${dev} 2>/dev/null)" = "gpt" ]
}
probe_for_gpt_name ()
for label in ${overlays}
do
- if [ "$(/sbin/blkid -s LABEL -o value $dev 2>/dev/null)" = "${label}" ]
+ if [ "$(blkid -s LABEL -o value $dev 2>/dev/null)" = "${label}" ]
then
echo "${label}=${dev}"
fi
# in one union together.
#
black_listed_devices=""
- for d in /live/rootfs/* /live/findiso /live/fromiso
+ for d in /run/live/rootfs/* /run/live/findiso /run/live/fromiso
do
black_listed_devices="${black_listed_devices} $(what_is_mounted_on d)"
done
result=$(probe_for_file_name "${overlays}" ${dev})
if [ -n "${result}" ]
then
- local loopdevice
+ local loopdevice
loopdevice=${result##*=}
- if is_in_comma_sep_list luks ${PERSISTENCE_ENCRYPTION} && is_luks_partition ${loopdevice}
+ if is_in_comma_sep_list luks ${PERSISTENCE_ENCRYPTION} && is_luks_partition ${loopdevice}
then
- local luksfile
+ local luksfile
luksfile=""
if luksfile=$(open_luks_device "${loopdevice}")
then
- result=${result%%=*}
+ result=${result%%=*}
result="${result}=${luksfile}"
else
- losetup -d $loopdevice
+ losetup -d $loopdevice
result=""
fi
fi
# Close luks device if it isn't used
if [ -z "${result}" ] && [ -n "${luks_device}" ] && is_active_luks_mapping "${luks_device}"
then
- /sbin/cryptsetup luksClose "${luks_device}"
+ cryptsetup luksClose "${luks_device}"
fi
done
is_luks_partition ()
{
device="${1}"
- /sbin/cryptsetup isLuks "${device}" 1>/dev/null 2>&1
+ cryptsetup isLuks "${device}" 1>/dev/null 2>&1
}
is_active_luks_mapping ()
{
device="${1}"
- /sbin/cryptsetup status "${device}" 1>/dev/null 2>&1
+ cryptsetup status "${device}" 1>/dev/null 2>&1
}
get_luks_backing_device ()
for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
do
+ if [ ! -d "${sysblock}" ]; then
+ continue
+ fi
+
dev_ok=
if [ "$(cat ${sysblock}/removable)" = "1" ]
then
for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
do
+ if [ ! -d "${sysblock}" ]; then
+ continue
+ fi
+
if [ "$(cat ${sysblock}/removable)" = "0" ]
then
case "${output_format}" in
rw_opt="rw"
ro_opt="rr+wh"
noxino_opt="noxino"
- ;;
-
- unionfs-fuse)
- rw_opt="RW"
- ro_opt="RO"
- ;;
- *)
- rw_opt="rw"
- ro_opt="ro"
- ;;
- esac
-
- case "${UNIONTYPE}" in
- unionfs-fuse)
- unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid"
- unionmountopts="${unionmountopts} ${unionrw}=${rw_opt}"
+ unionmountopts="-o noatime,${noxino_opt},dirs=${unionrw}=${rw_opt}"
if [ -n "${unionro}" ]
then
for rofs in ${unionro}
unionmountopts="${unionmountopts}:${rofs}=${ro_opt}"
done
fi
- ( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384
- unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \
- ( mkdir -p /run/sendsigs.omit.d
- pidof unionfs-fuse >> /run/sendsigs.omit.d/unionfs-fuse || true )
;;
- overlayfs)
- # XXX: can multiple unionro be used? (overlayfs only handles two dirs, but perhaps they can be chained?)
- # XXX: and can unionro be optional? i.e. can overlayfs skip lowerdir?
- if echo ${unionro} | grep -q " "
- then
- panic "Multiple lower filesystems are currently not supported with overlayfs (unionro = ${unionro})."
- elif [ -z "${unionro}" ]
+ overlay)
+ # XXX: can unionro be optional? i.e. can overlay skip lowerdir?
+ if [ -z "${unionro}" ]
then
- panic "Overlayfs needs at least one lower filesystem (read-only branch)."
+ panic "overlay needs at least one lower filesystem (read-only branch)."
fi
- unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}"
- mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
- ;;
-
- *)
- unionmountopts="-o noatime,${noxino_opt},dirs=${unionrw}=${rw_opt}"
- if [ -n "${unionro}" ]
- then
- for rofs in ${unionro}
- do
- unionmountopts="${unionmountopts}:${rofs}=${ro_opt}"
- done
- fi
- mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
+ # Multiple lower layers can now be given using the the colon (":") as a
+ # separator character between the directory names.
+ unionro="$(echo ${unionro} | sed -e 's| |:|g')"
+ # overlayfs requires:
+ # + a workdir to become mounted
+ # + workdir and upperdir to reside under the same mount
+ # + workdir and upperdir to be in separate directories
+ mkdir "${unionrw}/rw"
+ mkdir "${unionrw}/work"
+ unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work"
;;
esac
+
+ mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
}
get_custom_mounts ()
{
- # Side-effect: leaves $devices with persistence.conf mounted in /live/persistence
+ # Side-effect: leaves $devices with persistence.conf mounted in /run/live/persistence
# Side-effect: prints info to file $custom_mounts
local custom_mounts devices bindings links
if [ -n "${LIVE_BOOT_DEBUG}" ] && [ -e "${include_list}" ]
then
- cp ${include_list} /live/persistence/${persistence_list}.${device_name}
+ cp ${include_list} /run/live/persistence/${persistence_list}.${device_name}
fi
while read dir options # < ${include_list}
continue
fi
- if trim_path ${dir} | grep -q -e "^[^/]" -e "^/lib" -e "^/lib/live\(/.*\)\?$" -e "^/\(.*/\)\?\.\.\?\(/.*\)\?$"
+ if trim_path ${dir} | grep -q -e "^[^/]" -e "^/lib" -e "^/run/live\(/.*\)\?$" -e "^/\(.*/\)\?\.\.\?\(/.*\)\?$"
then
- log_warning_msg "Skipping unsafe custom mount ${dir}: must be an absolute path containing neither the \".\" nor \"..\" special dirs, and cannot be \"/lib\", or \"/lib/live\" or any of its sub-directories."
+ log_warning_msg "Skipping unsafe custom mount ${dir}: must be an absolute path containing neither the \".\" nor \"..\" special dirs, and cannot be \"/lib\", or \"/run/live\" or any of its sub-directories."
continue
fi
union|bind)
;;
*)
- log_warning_msg "Skipping custom mount with unkown option: ${opt}"
+ log_warning_msg "Skipping custom mount with unknown option: ${opt}"
continue 2
;;
esac
rootfs_dest_backing=""
if [ -n "${opt_link}" ] || [ -n "${opt_union}" ]
then
- for d in /live/rootfs/*
+ for d in /run/live/rootfs/*
do
if [ -n "${rootmnt}" ]
then
local cow_dir links_source
if [ -n "${opt_link}" ] && [ -z "${PERSISTENCE_READONLY}" ]
then
- link_files ${source} ${dest} "s|^/live/|/lib/live/mount/|"
+ link_files ${source} ${dest} ""
elif [ -n "${opt_link}" ] && [ -n "${PERSISTENCE_READONLY}" ]
then
- mkdir -p ${rootmnt}/lib/live/mount/persistence
- links_source=$(mktemp -d ${rootmnt}/lib/live/mount/persistence/links-source-XXXXXX)
+ mkdir -p /run/live/persistence
+ links_source=$(mktemp -d /run/live/persistence/links-source-XXXXXX)
chown_ref ${source} ${links_source}
chmod_ref ${source} ${links_source}
# We put the cow dir in the below strange place to
# has its own directory and isn't nested with some
# other custom mount (if so that mount's files would
# be linked, causing breakage.
- cow_dir="/live/overlay/lib/live/mount/persistence/$(basename ${links_source})"
+ cow_dir="/run/live/overlay/run/live/persistence/$(basename ${links_source})"
mkdir -p ${cow_dir}
chown_ref "${source}" "${cow_dir}"
chmod_ref "${source}" "${cow_dir}"
do_union ${dest} ${source} ${rootfs_dest_backing}
elif [ -n "${opt_bind}" ] && [ -z "${PERSISTENCE_READONLY}" ]
then
- mount --bind "${source}" "${dest}"
+ mount -o bind "${source}" "${dest}"
elif [ -n "${opt_bind}" -o -n "${opt_union}" ] && [ -n "${PERSISTENCE_READONLY}" ]
then
# bind-mount and union mount are handled the same
# in read-only mode, but note that rootfs_dest_backing
# is non-empty (and necessary) only for unions
- cow_dir="/live/overlay/${dest}"
+ cow_dir="/run/live/overlay/${dest}"
if [ -e "${cow_dir}" ] && [ -z "${opt_link}" ]
then
# If an earlier custom mount has files here
mkdir -p ${cow_dir}
chown_ref "${source}" "${cow_dir}"
chmod_ref "${source}" "${cow_dir}"
+ if [ "${UNIONTYPE}" = "overlay" ]
+ then
+ # When we use overlay we add the "/rw" postfix to our source when using it
+ # as upper layer. Therefore we also have to add it here when using it as
+ # the lower layer.
+ source="${source}/rw"
+ fi
do_union ${dest} ${cow_dir} ${source} ${rootfs_dest_backing}
fi
projects / live-boot-grml.git / blobdiff