USERNAME="user"
USERFULLNAME="Live user"
HOSTNAME="host"
-BUILD_SYSTEM="Custom"
mkdir -p "${mountpoint}"
[ -f /etc/live.conf ] && . /etc/live.conf
-export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
+export USERNAME USERFULLNAME HOSTNAME
. /scripts/live-helpers
{
PRESEEDS=""
- for ARGUMENT in `cat /proc/cmdline`
+ for ARGUMENT in $(cat /proc/cmdline)
do
case "${ARGUMENT}" in
access=*)
console=*)
DEFCONSOLE="${ARGUMENT#*=}"
- export DEFCONFSOLE
+ export DEFCONSOLE
;;
debug)
export USERFULLNAME LIVECONF
;;
+ ignore_uuid)
+ IGNORE_UUID="Yes"
+ export IGNORE_UUID
+ ;;
+
ip=*)
STATICIP="${ARGUMENT#ip=}"
export NOACCESSIBILITY
;;
+ noapparmor)
+ NOAPPARMOR="Yes"
+ export NOAPPARMOR
+ ;;
+
noaptcdrom)
NOAPTCDROM="Yes"
export NOAPTCDROM
mkdir -p /root/var/run/network
chroot /root ifup -a
- chroot /root wget -P /tmp "$location"
+ chroot /root wget -P /tmp "${location}"
chroot /root ifdown -a
umount /root/sys
umount /root/proc
umount /root/dev
- LOCATION="/tmp/$(basename "$location")"
+ LOCATION="/tmp/$(basename "${location}")"
;;
*/*=*)
export SHOWMOUNTS
;;
+ textonly)
+ TEXTONLY="Yes"
+ export TEXTONLY
+ ;;
+
timezone=*)
TIMEZONE="${ARGUMENT#timezone=}"
export TIMEZONE
export TORAM MODULETORAM
;;
+ exposedroot)
+ EXPOSED_ROOT="Yes"
+ export EXPOSED_ROOT
+ ;;
+
union=*)
UNIONTYPE="${ARGUMENT#union=}"
export UNIONTYPE
then
for FILESYSTEM in squashfs ext2 ext3 xfs dir
do
- if [ "`echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}`" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
+ if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
then
return 0
fi
return 1
}
+matches_uuid ()
+{
+ if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
+ then
+ return 0
+ fi
+
+ path="${1}"
+ uuid="$(cat /conf/uuid.conf)"
+
+ for try_uuid_file in "${mountpoint}/.disk/casper-uuid"*
+ do
+ [ -e "${try_uuid_file}" ] || continue
+
+ try_uuid="$(cat "${try_uuid_file}")"
+
+ if [ "${uuid}" = "${try_uuid}" ]
+ then
+ return 0
+ fi
+ done
+
+ return 1
+}
+
get_backing_device ()
{
- case "$1" in
+ case "${1}" in
*.squashfs|*.ext2|*.ext3)
- echo $(setup_loop "$1" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
+ echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
;;
*.dir)
;;
*)
- panic "Unrecognized live filesystem: $1"
+ panic "Unrecognized live filesystem: ${1}"
;;
esac
}
match_files_in_dir ()
{
- # Does any files match pattern $1 ?
- local pattern="$1"
+ # Does any files match pattern ${1} ?
+ local pattern="${1}"
- if [ "$(echo $pattern)" != "$pattern" ]
+ if [ "$(echo ${pattern})" != "${pattern}" ]
then
return 0
fi
mount_images_in_directory ()
{
- directory="$1"
- rootmnt="$2"
+ directory="${1}"
+ rootmnt="${2}"
- if match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.squashfs" ||
- match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.ext2" ||
- match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.ext3" ||
- match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.dir"
+ if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
+ match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
+ match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
+ match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
then
- setup_unionfs "$directory/${LIVE_MEDIA_PATH}" "$rootmnt"
+ setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}"
else
:
fi
then
size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
else
- log_warning_msg "Error: toram-module $MODULETORAM ($MODULETORAMFILE) could not be read."
+ log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
return 1
fi
fi
if [ "${freespace}" -lt "${size}" ]
then
- [ "$quiet" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
+ [ "${quiet}" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
return 1
fi
echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
- if [ "$extension" = "tgz" ]
+ if [ "${extension}" = "tgz" ]
then
cd "${copyto}"
tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
{
rc=1
- modprobe "${MP_QUIET}" af_packet # For DHCP
+ modprobe -q af_packet # For DHCP
udevtrigger
udevsettle
ipconfig ${DEVICE} | tee /netboot.config
+ # source relevant ipconfig output
+ OLDHOSTNAME=${HOSTNAME}
+ . /tmp/net-${DEVICE}.conf
+ [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
+ export HOSTNAME
+
if [ "${NFSROOT}" = "auto" ]
then
NFSROOT=${ROOTSERVER}:${ROOTPATH}
fi
- # source relevant ipconfig output
- OLDHOSTNAME=$HOSTNAME
- . /tmp/net-${DEVICE}.conf
- [ -z $HOSTNAME ] && HOSTNAME=$OLDHOSTNAME
- export HOSTNAME
-
if [ -n "${FETCH}" ] && do_httpmount
then
rc=0
return ${rc}
fi
- if [ "${NFSROOT#*:}" = "$NFSROOT" ] && [ "$NETBOOT" != "cifs" ]
+ if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
then
NFSROOT=${ROOTSERVER}:${NFSROOT}
fi
- [ "$quiet" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
then
rc=0
fi
- [ "$quiet" != "y" ] && log_end_msg
+ [ "${quiet}" != "y" ] && log_end_msg
return ${rc}
}
do_httpmount ()
{
rc=1
- extension=`echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/'`
+ extension=$(echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/')
case "${extension}" in
squashfs|tgz|tar)
- [ "$quiet" != "y" ] && log_begin_msg "Trying wget ${FETCH} -O ${mountpoint}/$(basename ${FETCH})"
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying wget ${FETCH} -O ${mountpoint}/$(basename ${FETCH})"
mkdir -p "${mountpoint}/${LIVE_MEDIA_PATH}"
wget "${FETCH}" -O "${mountpoint}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
- [ $? -eq 0 ] && rc=0
- [ "${extension}" == "tgz" ] && live_dest="ram"
+ [ ${?} -eq 0 ] && rc=0
+ [ "${extension}" = "tgz" ] && live_dest="ram"
;;
*)
- [ "$quiet" != "y" ] && log_begin_msg "Unrecognized archive extension for ${FETCH}"
+ [ "${quiet}" != "y" ] && log_begin_msg "Unrecognized archive extension for ${FETCH}"
esac
return ${rc}
{
rc=1
- modprobe "${MP_QUIET}" nfs
+ modprobe -q nfs
if [ -z "${NFSOPTS}" ]
then
NFSOPTS=""
fi
- [ "$quiet" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
# FIXME: This for loop is an ugly HACK round an nfs bug
for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
CIFSOPTS="${NFSOPTS}"
fi
- [ "$quiet" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
- modprobe "${MP_QUIET}" cifs
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
+ modprobe -q cifs
if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
then
if [ -n "${fstype}" ]
then
# Copying stuff...
- mount -t "${fstype}" -o ro "${fromdev}" "${tomount}"
+ mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
cp -a "${tomount}"/* ${todir}
umount "${tomount}"
else
else
return 1
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+ [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
fi
}
try_snap ()
{
- # Look for $snap_label.* in block devices and copy the contents to $snap_mount
+ # Look for ${snap_label}.* in block devices and copy the contents to ${snap_mount}
# and remember the device and filename for resync on exit in live-initramfs.init
snap_label="${1}"
setup_unionfs ()
{
- image_directory="$1"
- rootmnt="$2"
+ image_directory="${1}"
+ rootmnt="${2}"
- modprobe "${MP_QUIET}" -b ${UNIONTYPE}
+ modprobe -q -b ${UNIONTYPE}
# run-init can't deal with images in a subdir, but we're going to
# move all of these away before it runs anyway. No, we're not,
# Let's just mount the read-only file systems first
rofsstring=""
rofslist=""
- minor_kernel_version=`uname -r|cut -c 5-|sed 's/[^0-9].*//'`
+ minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
then
# Read image names from ${MODULE}.module if it exists
if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
then
- for IMAGE in `cat ${image_directory}/filesystem.${MODULE}.module`
+ for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
do
- image_string="${image_string} ${image_directory}/${image}"
+ image_string="${image_string} ${image_directory}/${IMAGE}"
done
elif [ -e "${image_directory}/${MODULE}.module" ]
then
- for IMAGE in `cat ${image_directory}/${MODULE}.module`
+ for IMAGE in $(cat ${image_directory}/${MODULE}.module)
do
- image_string="${image_string} ${image_directory}/${image}"
+ image_string="${image_string} ${image_directory}/${IMAGE}"
done
else
# ${MODULE}.module does not exist, create a list of images
done
# Now sort the list
- image_string="`echo ${image_string} | sed -e 's/ /\n/g' | sort `"
+ image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
fi
[ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
rofslist="${image} ${rofslist}"
elif [ -f "${image}" ]
then
- backdev=$(get_backing_device "$image")
+ backdev=$(get_backing_device "${image}")
fstype=$(get_fstype "${backdev}")
if [ "${fstype}" = "unknown" ]
fi
mkdir -p "${croot}/${imagename}"
- echo "debug: Can not mount backdev $backdev (image = $image) on croot/imagename ${croot}/${imagename}"
- mount -t "${fstype}" -o ro "${backdev}" "${croot}/${imagename}" || panic "Can not mount $backdev ($image) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+ echo "debug: Can not mount backdev ${backdev} (image = ${image}) on croot/imagename ${croot}/${imagename}"
+ mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
fi
done
cowdevice=${cowprobe}
cow_fstype=$(get_fstype "${cowprobe}")
else
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent medium"
+ [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent medium"
fi
fi
- mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not mount $cowdevice on /cow"
+ rofscount=$(echo ${rofslist} |wc -w)
- mount -t ${UNIONTYPE} -o dirs=/cow=rw:$rofsstring ${UNIONTYPE} "$rootmnt" || panic "${UNIONTYPE} mount failed"
+ if [ -n "${EXPOSED_ROOT}" ]
+ then
+ if [ ${rofscount} -ne 1 ]
+ then
+ panic "only one RO file system supported with exposedroot: ${rofslist}"
+ fi
+ exposedrootfs=${rofslist%% }
+
+ mount --bind ${exposedrootfs} ${rootmnt} || \
+ panic "bind mount of ${exposedrootfs} failed"
+
+ mount ${cowdevice} -t ${cow_fstype} -o rw,noatime /cow || \
+ panic "Can not mount ${cowdevice} on /cow"
+
+ cow_dirs='/tmp /var/tmp /var/lock /var/run /var/log /var/spool
+ /home /live /var/lib/live'
+
+ for dir in ${cow_dirs}; do
+ mkdir -p /cow${dir}
+ mount -t ${UNIONTYPE} \
+ -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
+ ${UNIONTYPE} "${rootmnt}${dir}" || \
+ panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
+ rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
+ done
+ else
+ mount ${cowdevice} -t ${cow_fstype} -o rw,noatime /cow || \
+ panic "Can not mount ${cowdevice} on /cow"
+ mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
+ ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
+ ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
+ fi
# Adding other custom mounts
if [ -n "${PERSISTENT}" ]
if [ -b "${homecow}" ]
then
- mount -t $(get_fstype "${homecow}") -o rw "${homecow}" "${rootmnt}/home"
+ mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
else
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
+ [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
fi
# Look for other snapshots to copy in
# shows cow fs on /cow for use by live-snapshot
mkdir -p "${rootmnt}/live/cow"
- mount -o bind /cow "${rootmnt}/live/cow"
+ mount -o move /cow "${rootmnt}/live/cow"
}
check_dev ()
{
sysdev="${1}"
devname="${2}"
+ skip_uuid_check="${3}"
if [ -z "${devname}" ]
then
if is_supported_fs ${fstype}
then
- mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
+ mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
- if is_live_path $mountpoint
+ if is_live_path ${mountpoint} && \
+ ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
then
- echo $mountpoint
+ echo ${mountpoint}
return 0
else
- umount $mountpoint
+ umount ${mountpoint}
fi
fi
# first look at the one specified in the command line
if [ ! -z "${LIVE_MEDIA}" ]
then
- if check_dev "null" "${LIVE_MEDIA}"
+ if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
then
return 0
fi
Arguments
set_usplash_timeout
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-premount"
+ [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-premount"
pulsate
run_scripts /scripts/live-premount
- [ "$quiet" != "y" ] && log_end_msg
+ [ "${quiet}" != "y" ] && log_end_msg
# Needed here too because some things (*cough* udev *cough*)
# changes the timeout
# Scan local devices for the image
for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
do
- livefs_root=$(find_livefs $i)
+ livefs_root=$(find_livefs ${i})
if [ -n "${livefs_root}" ]
then
if [ -n "${MODULETORAMFILE}" ]
then
- setup_unionfs "${livefs_root}" "$rootmnt"
+ setup_unionfs "${livefs_root}" "${rootmnt}"
else
mount_images_in_directory "${livefs_root}" "${rootmnt}"
fi
log_end_msg
maybe_break live-bottom
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
+ [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
pulsate
run_scripts /scripts/live-bottom
- [ "$quiet" != "y" ] && log_end_msg
+ [ "${quiet}" != "y" ] && log_end_msg
exec 1>&6 6>&-
exec 2>&7 7>&-