# set -e
-export PATH=/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin
+export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
echo "/root/lib" >> /etc/ld.so.conf
echo "/root/usr/lib" >> /etc/ld.so.conf
-mountpoint=/live_media
+mountpoint="/live/image"
+LIVE_MEDIA_PATH="live"
root_persistence="live-rw"
home_persistence="home-rw"
root_snapshot_label="live-sn"
home_snapshot_label="home-sn"
-USERNAME=user
+USERNAME="user"
USERFULLNAME="Live user"
-HOSTNAME=host
-BUILD_SYSTEM=Custom
+HOSTNAME="host"
-mkdir -p $mountpoint
+mkdir -p "${mountpoint}"
[ -f /etc/live.conf ] && . /etc/live.conf
-export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
+export USERNAME USERFULLNAME HOSTNAME
. /scripts/live-helpers
-if [ ! -f /live.vars ]; then
- touch /live.vars
+if [ ! -f /live.vars ]
+then
+ touch /live.vars
fi
-parse_cmdline ()
+Arguments ()
{
- PRESEEDS=
- # looking for live-initramfs specifics options as kernel parameters
- for x in $(cat /proc/cmdline); do
- case $x in
- userfullname=*)
- export USERFULLNAME=${x#userfullname=}
- export LIVECONF="changed"
- ;;
- hostname=*)
- export HOSTNAME=${x#hostname=}
- export LIVECONF="changed"
- ;;
- username=*)
- export USERNAME=${x#username=}
- export LIVECONF="changed"
- ;;
- netboot*)
- export NETBOOT=${x#netboot=} ;;
- access=*)
- export ACCESS=${x#access=} ;;
- xdebconf)
- export XDEBCONF="Yes" ;;
- xvideomode=*)
- export XVIDEOMODE="${x#xvideomode=}" ;;
- toram)
- export TORAM="Yes" ;;
- todisk=*)
- export TODISK=${x#todisk=} ;;
- noswap)
- export NOSWAP="Yes" ;;
- noautologin)
- export NOAUTOLOGIN="Yes" ;;
- noxautologin)
- export NOXAUTOLOGIN="Yes" ;;
- nosudo)
- export NOSUDO="Yes" ;;
- showmounts)
- export SHOWMOUNTS="Yes" ;;
- persistent)
- export PERSISTENT="Yes" ;;
- nopersistent)
- export PERSISTENT="" ;;
- ip*)
- STATICIP=${x#ip=}
- if [ "${STATICIP}" = "" ]; then
- STATICIP="frommedia"
- fi
- export STATICIP ;;
- live-getty)
- export LIVE_GETTY=1 ;;
- bootfrom=*|live-media=*)
- export LIVE_MEDIA=${x#*=} ;;
- live-media-encryption=*|encryption=*)
- export LIVE_MEDIA_ENCRYPTION=${x#*=} ;;
- live-media-timeout=*)
- export LIVE_MEDIA_TIMEOUT=${x#live-media-timeout=} ;;
- live-media-offset=*)
- export LIVE_MEDIA_OFFSET=${x#live-media-offset=} ;;
- locale=*|debian-installer/locale=*)
- export LOCALE=${x#*=} ;;
- keyb=*|kbd-chooser/method=*)
- export KBD=${x#*=} ;;
- klayout=*|console-setup/layoutcode=*)
- export KLAYOUT=${x#*=} ;;
- koptions=*)
- export KOPTIONS=${x#koptions=} ;;
- kvariant=*|console-setup/variantcode=*)
- export KVARIANT=${x#*=} ;;
- kmodel=*|console-setup/modelcode=*)
- export KMODEL=${x#*=} ;;
- module=*)
- export MODULE=${x#module=} ;;
- preseed/file=*|file=*)
- export LOCATION="${x#*=}" ;;
- upgrade)
- export UPGRADE="Yes" ;;
- */*=*)
- question="${x%%=*}"
- value="${x#*=}"
- PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
- ;;
- console=*)
- export DEFCONSOLE="${x#*=}" ;;
- esac
- done
-
- # sort of compatibility with netboot.h from linux docs
- if [ -z "${NETBOOT}" ]; then
- if [ "${ROOT}" = "/dev/nfs" ]; then
- NETBOOT="nfs"
- export NETBOOT
- elif [ "${ROOT}" = "/dev/cifs" ]; then
- NETBOOT="cifs"
- export NETBOOT
- fi
- fi
-
- if [ -z "${MODULE}" ]; then
- MODULE=order
- fi
+ PRESEEDS=""
+
+ for ARGUMENT in $(cat /proc/cmdline)
+ do
+ case "${ARGUMENT}" in
+ access=*)
+ ACCESS="${ARGUMENT#access=}"
+ export ACCESS
+ ;;
+
+ console=*)
+ DEFCONSOLE="${ARGUMENT#*=}"
+ export DEFCONSOLE
+ ;;
+
+ debug)
+ DEBUG="Yes"
+ export DEBUG
+
+ set -x
+ ;;
+
+ fetch=*)
+ FETCH="${ARGUMENT#fetch=}"
+ export FETCH
+ ;;
+
+ hook=*)
+ HOOK="${ARGUMENT#hook=}"
+ export HOOK
+ ;;
+
+ ftpfs=*)
+ FTPFS="${ARGUMENT#ftpfs=}"
+ export FTPFS
+ ;;
+
+ httpfs=*)
+ HTTPFS="${ARGUMENT#httpfs=}"
+ export HTTPFS
+ ;;
+
+ hostname=*)
+ HOSTNAME="${ARGUMENT#hostname=}"
+ LIVECONF="changed"
+ export HOSTNAME LIVECONF
+ ;;
+
+ username=*)
+ USERNAME="${ARGUMENT#username=}"
+ LIVECONF="changed"
+ export USERNAME LIVECONF
+ ;;
+
+ userfullname=*)
+ USERFULLNAME="${ARGUMENT#userfullname=}"
+ LIVECONF="changed"
+ export USERFULLNAME LIVECONF
+ ;;
+
+ ignore_uuid)
+ IGNORE_UUID="Yes"
+ export IGNORE_UUID
+ ;;
+
+ ip=*)
+ STATICIP="${ARGUMENT#ip=}"
+
+ if [ -z "${STATICIP}" ]
+ then
+ STATICIP="frommedia"
+ fi
+
+ export STATICIP
+ ;;
+
+ keyb=*|kbd-chooser/method=*)
+ KBD="${ARGUMENT#*=}"
+ export KBD
+ ;;
+
+ klayout=*|console-setup/layoutcode=*)
+ KLAYOUT="${ARGUMENT#*=}"
+ export KLAYOUT
+ ;;
+
+ kvariant=*|console-setup/variantcode=*)
+ KVARIANT="${ARGUMENT#*=}"
+ export KVARIANT
+ ;;
+
+ kmodel=*|console-setup/modelcode=*)
+ KMODEL="${ARGUMENT#*=}"
+ export KMODEL
+ ;;
+
+ koptions=*)
+ KOPTIONS="${ARGUMENT#koptions=}"
+ export KOPTIONS
+ ;;
+
+ live-getty)
+ LIVE_GETTY="1"
+ export LIVE_GETTY
+ ;;
+
+ live-media=*|bootfrom=*)
+ LIVE_MEDIA="${ARGUMENT#*=}"
+ export LIVE_MEDIA
+ ;;
+
+ live-media-encryption=*|encryption=*)
+ LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
+ export LIVE_MEDIA_ENCRYPTION
+ ;;
+
+ live-media-offset=*)
+ LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
+ export LIVE_MEDIA_OFFSET
+ ;;
+
+ live-media-path=*)
+ LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
+ export LIVE_MEDIA_PATH
+ ;;
+
+ live-media-timeout=*)
+ LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
+ export LIVE_MEDIA_TIMEOUT
+ ;;
+
+ language=*|debian-installer/language=*)
+ language=${x#debian-installer/language=}
+ locale="$(lang2locale "$language")"
+ set_locale="true"
+ ;;
+
+ locale=*|debian-installer/locale=*)
+ LOCALE="${ARGUMENT#*=}"
+ export LOCALE
+ ;;
+
+ module=*)
+ MODULE="${ARGUMENT#module=}"
+ export MODULE
+ ;;
+
+ netboot=*)
+ NETBOOT="${ARGUMENT#netboot=}"
+ export NETBOOT
+ ;;
+
+ nfsopts=*)
+ NFSOPTS="${ARGUMENT#nfsopts=}"
+ export NFSOPTS
+ ;;
+
+ nfscow=*)
+ NFS_COW="${ARGUMENT#nfscow=}"
+ export NFS_COW
+ ;;
+
+ noaccessibility)
+ NOACCESSIBILITY="Yes"
+ export NOACCESSIBILITY
+ ;;
+
+ noapparmor)
+ NOAPPARMOR="Yes"
+ export NOAPPARMOR
+ ;;
+
+ noaptcdrom)
+ NOAPTCDROM="Yes"
+ export NOAPTCDROM
+ ;;
+
+ noautologin)
+ NOAUTOLOGIN="Yes"
+ export NOAUTOLOGIN
+ ;;
+
+ noxautologin)
+ NOXAUTOLOGIN="Yes"
+ export NOXAUTOLOGIN
+ ;;
+
+ noconsolekeyboard)
+ NOCONSOLEKEYBOARD="Yes"
+ export NOCONSOLEKEYBOARD
+ ;;
+
+ nofastboot)
+ NOFASTBOOT="Yes"
+ export NOFASTBOOT
+ ;;
+
+ nofstab)
+ NOFSTAB="Yes"
+ export NOFSTAB
+ ;;
+
+ nognomepanel)
+ NOGNOMEPANEL="Yes"
+ export NOGNOMEPANEL
+ ;;
+
+ nohosts)
+ NOHOSTS="Yes"
+ export NOHOSTS
+ ;;
+
+ nokpersonalizer)
+ NOKPERSONALIZER="Yes"
+ export NOKPERSONALIZER
+ ;;
+
+ nolanguageselector)
+ NOLANGUAGESELECTOR="Yes"
+ export NOLANGUAGESELECTOR
+ ;;
+
+ nolocales)
+ NOLOCALES="Yes"
+ export NOLOCALES
+ ;;
+
+ nonetworking)
+ NONETWORKING="Yes"
+ export NONETWORKING
+ ;;
+
+ nopowermanagement)
+ NOPOWERMANAGEMENT="Yes"
+ export NOPOWERMANAGEMENT
+ ;;
+
+ noprogramcrashes)
+ NOPROGRAMCRASHES="Yes"
+ export NOPROGRAMCRASHES
+ ;;
+
+ norestrictedmanager)
+ NORESTRICTEDMANAGER="Yes"
+ export NORESTRICTEDMANAGER
+ ;;
+
+ nosudo)
+ NOSUDO="Yes"
+ export NOSUDO
+ ;;
+
+ noswap)
+ NOSWAP="Yes"
+ export NOSWAP
+ ;;
+
+ noupdatenotifier)
+ NOUPDATENOTIFIER="Yes"
+ export NOUPDATENOTIFIER
+ ;;
+
+ nouser)
+ NOUSER="Yes"
+ export NOUSER
+ ;;
+
+ noxautoconfig)
+ NOXAUTOCONFIG="Yes"
+ export NOXAUTOCONFIG
+ ;;
+
+ noxscreensaver)
+ NOXSCREENSAVER="Yes"
+ export NOXSCREENSAVER
+ ;;
+
+ persistent)
+ PERSISTENT="Yes"
+ export PERSISTENT
+ ;;
+
+ nopersistent)
+ NOPERSISTENT="Yes"
+ export NOPERSISTENT
+ ;;
+
+ preseed/file=*|file=*)
+ LOCATION="${ARGUMENT#*=}"
+ export LOCATION
+ ;;
+
+ nopreseed)
+ NOPRESEED="Yes"
+ export NOPRESEED
+ ;;
+
+ url=*)
+ location="${ARGUMENT#url=}"
+
+ mount -n -o bind /sys /root/sys
+ mount -n -o bind /proc /root/proc
+ mount -n -o bind /dev /root/dev
+
+ mkdir -p /root/var/run/network
+ chroot /root dhclient eth0
+ chroot /root wget -P /tmp "${location}"
+ chroot /root ifconfig eth0 down
+
+ umount /root/sys
+ umount /root/proc
+ umount /root/dev
+
+ LOCATION="/tmp/$(basename "${location}")"
+ ;;
+
+ */*=*)
+ question="${ARGUMENT%%=*}"
+ value="${ARGUMENT#*=}"
+ PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
+ export PRESEEDS
+ ;;
+
+ showmounts)
+ SHOWMOUNTS="Yes"
+ export SHOWMOUNTS
+ ;;
+
+ textonly)
+ TEXTONLY="Yes"
+ export TEXTONLY
+ ;;
+
+ timezone=*)
+ TIMEZONE="${ARGUMENT#timezone=}"
+ export TIMEZONE
+ ;;
+
+ notimezone)
+ NOTIMEZONE="Yes"
+ export NOTIMEZONE
+ ;;
+
+ todisk=*)
+ TODISK="${ARGUMENT#todisk=}"
+ export TODISK
+ ;;
+
+ toram)
+ TORAM="Yes"
+ export TORAM
+ ;;
+
+ toram=*)
+ TORAM="Yes"
+ MODULETORAM="${ARGUMENT#toram=}"
+ export TORAM MODULETORAM
+ ;;
+
+ exposedroot)
+ EXPOSED_ROOT="Yes"
+ export EXPOSED_ROOT
+ ;;
+
+ plainroot)
+ PLAIN_ROOT="Yes"
+ export PLAIN_ROOT
+ ;;
+
+ root=*)
+ ROOT="${ARGUMENT#root=}"
+ export ROOT
+ ;;
+
+ union=*)
+ UNIONTYPE="${ARGUMENT#union=}"
+ export UNIONTYPE
+ ;;
+
+ utc=*)
+ UTC="${ARGUMENT#utc=}"
+ export UTC
+ ;;
+
+ xdebconf)
+ XDEBCONF="Yes"
+ export XDEBCONF
+ ;;
+
+ xdriver=*)
+ XDRIVER="${ARGUMENT#xdriver=}"
+ export XDRIVER
+ ;;
+
+ xvideomode=*)
+ XVIDEOMODE="${ARGUMENT#xvideomode=}"
+ export XVIDEOMODE
+ ;;
+ esac
+ done
+
+ # sort of compatibility with netboot.h from linux docs
+ if [ -z "${NETBOOT}" ]
+ then
+ if [ "${ROOT}" = "/dev/nfs" ]
+ then
+ NETBOOT="nfs"
+ export NETBOOT
+ elif [ "${ROOT}" = "/dev/cifs" ]
+ then
+ NETBOOT="cifs"
+ export NETBOOT
+ fi
+ fi
+
+ if [ -z "${MODULE}" ]
+ then
+ MODULE="filesystem"
+ export MODULE
+ fi
+
+ if [ -z "${UNIONTYPE}" ]
+ then
+ UNIONTYPE="unionfs"
+ export UNIONTYPE
+ fi
}
-is_live_path() {
- path=$1
- if [ -d "$path/live" ]; then
- if [ "$(echo $path/live/*.squashfs)" != "$path/live/*.squashfs" ] ||
- [ "$(echo $path/live/*.ext2)" != "$path/live/*.ext2" ] ||
- [ "$(echo $path/live/*.ext3)" != "$path/live/*.ext3" ] ||
- [ "$(echo $path/live/*.dir)" != "$path/live/*.dir" ]; then
- return 0
- fi
- fi
- return 1
+is_live_path ()
+{
+ DIRECTORY="${1}"
+
+ if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
+ then
+ for FILESYSTEM in squashfs ext2 ext3 xfs dir jffs2
+ do
+ if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
+ then
+ return 0
+ fi
+ done
+ 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/live-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
- *.squashfs|*.ext2|*.ext3)
- echo $(setup_loop "$1" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
- ;;
- *.dir)
- echo "directory"
- ;;
- *)
- panic "Unrecognized live filesystem: $1"
- ;;
- esac
+get_backing_device ()
+{
+ case "${1}" in
+ *.squashfs|*.ext2|*.ext3|*.jffs2)
+ echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
+ ;;
+
+ *.dir)
+ echo "directory"
+ ;;
+
+ *)
+ panic "Unrecognized live filesystem: ${1}"
+ ;;
+ esac
}
-match_files_in_dir() {
- # Does any files match pattern $1 ?
+match_files_in_dir ()
+{
+ # Does any files match pattern ${1} ?
+ local pattern="${1}"
- local pattern="$1"
- if [ "$(echo $pattern)" != "$pattern" ]; then
- return 0
- fi
- return 1
+ if [ "$(echo ${pattern})" != "${pattern}" ]
+ then
+ return 0
+ fi
+
+ return 1
}
-mount_images_in_directory() {
- directory="$1"
- rootmnt="$2"
- if match_files_in_dir "$directory/live/*.squashfs" ||
- match_files_in_dir "$directory/live/*.ext2" ||
- match_files_in_dir "$directory/live/*.ext3" ||
- match_files_in_dir "$directory/live/*.dir"; then
- setup_unionfs "$directory/live" "$rootmnt"
- else
- :
- fi
+mount_images_in_directory ()
+{
+ directory="${1}"
+ rootmnt="${2}"
+ mac="${3}"
+
+
+ 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}/*.jffs2" ||
+ match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
+ then
+ [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
+ setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
+ else
+ :
+ fi
}
-is_nice_device() {
- sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"; then
- return 0
- fi
- return 1
+is_nice_device ()
+{
+ sysfs_path="${1#/sys}"
+
+ if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
+ then
+ return 0
+ fi
+
+ return 1
}
-is_supported_fs () {
- # FIXME: do something better like the scan of supported filesystems
- fstype="${1}"
- case ${fstype} in
- vfat|iso9660|udf|ext2|ext3|ntfs)
- return 0
- ;;
- esac
- return 1
+copy_live_to ()
+{
+ copyfrom="${1}"
+ copytodev="${2}"
+ copyto="${copyfrom}_swap"
+
+ if [ -z "${MODULETORAM}" ]
+ then
+ size=$(fs_size "" ${copyfrom} "used")
+ else
+ MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
+
+ if [ -f "${MODULETORAMFILE}" ]
+ then
+ size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
+ else
+ log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
+ return 1
+ fi
+ fi
+
+ if [ "${copytodev}" = "ram" ]
+ then
+ # copying to ram:
+ freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
+ mount_options="-o size=${size}k"
+ free_string="memory"
+ fstype="tmpfs"
+ dev="/dev/shm"
+ else
+ # it should be a writable block device
+ if [ -b "${copytodev}" ]
+ then
+ dev="${copytodev}"
+ free_string="space"
+ fstype=$(get_fstype "${dev}")
+ freespace=$(fs_size "${dev}")
+ else
+ [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
+ 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 ${copytodev}."
+ return 1
+ fi
+
+ # begin copying (or uncompressing)
+ mkdir "${copyto}"
+ echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
+ mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
+
+ if [ "${extension}" = "tgz" ]
+ then
+ cd "${copyto}"
+ tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
+ rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
+ mount -r -o move "${copyto}" "${rootmnt}"
+ cd "${OLDPWD}"
+ else
+ if [ -n "${MODULETORAMFILE}" ]
+ then
+ cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
+ else
+ cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
+ fi
+
+ livefs_root
+ umount ${copyfrom}
+ mount -r -o move ${copyto} ${copyfrom}
+ fi
+
+ rmdir ${copyto}
+ return 0
}
-copy_live_to() {
- copyfrom="${1}"
- copytodev="${2}"
- copyto="${copyfrom}_swap"
-
- size=$(fs_size "" ${copyfrom} "used")
-
- if [ "${copytodev}" = "ram" ]; then
- # copying to ram:
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
- mount_options="-o size=${size}k"
- free_string="memory"
- fstype="tmpfs"
- dev="/dev/shm"
- else
- # it should be a writable block device
- if [ -b "${copytodev}" ]; then
- dev="${copytodev}"
- free_string="space"
- fstype=$(get_fstype "${dev}")
- freespace=$(fs_size "${dev}")
- else
- [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
- return 1
- fi
- fi
- if [ "${freespace}" -lt "${size}" ] ; then
- [ "$quiet" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k > ${size}k) to copy live media in ${copytodev}."
- return 1
- fi
-
- # begin copying..
- mkdir "${copyto}"
- echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
- mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
- cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
- umount ${copyfrom}
- mount -r --move ${copyto} ${copyfrom}
- rmdir ${copyto}
- return 0
+do_netmount ()
+{
+ rc=1
+
+ 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}:${ROOTPATH}
+ fi
+
+ if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
+ then
+ rc=0
+ return ${rc}
+ fi
+
+ if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
+ then
+ NFSROOT=${ROOTSERVER}:${NFSROOT}
+ fi
+
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+
+ if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
+ then
+ rc=0
+ elif do_nfsmount
+ then
+ NETBOOT="nfs"
+ export NETBOOT
+ rc=0
+ fi
+
+ [ "${quiet}" != "y" ] && log_end_msg
+ return ${rc}
}
-do_netmount() {
- rc=1
+do_httpmount ()
+{
+ rc=1
+ dest="${mountpoint}/${LIVE_MEDIA_PATH}"
+ mount -t ramfs ram "${mountpoint}"
+ mkdir -p "${dest}"
+
+ for webfile in HTTPFS FTPFS FETCH
+ do
+ url="$(eval echo \"\$\{${webfile}\}\")"
+ extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
+
+ if [ -n "$url" ]
+ then
+ case "${extension}" in
+ squashfs|tgz|tar)
+ if [ "${webfile}" = "FETCH" ]
+ then
+ [ "${quiet}" != "y" ] &&
+ log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
+ wget "${url}" -O "${dest}/$(basename ${url})"
+ else
+ [ "${quiet}" != "y" ] &&
+ log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
+ if [ "${webfile}" = "FTPFS" ]
+ then
+ FUSE_MOUNT="curlftpfs"
+ url="$(dirname ${url})"
+ else
+ FUSE_MOUNT="httpfs"
+ fi
+ modprobe fuse
+ $FUSE_MOUNT "${url}" "${dest}"
+ fi
+ [ ${?} -eq 0 ] && rc=0
+ [ "${extension}" = "tgz" ] && live_dest="ram"
+ break
+ ;;
+
+ *)
+ [ "${quiet}" != "y" ] && log_begin_msg "Unrecognized archive extension for ${url}"
+ ;;
+ esac
+ fi
+ done
- modprobe "${MP_QUIET}" af_packet # For DHCP
+ if [ ${rc} != 0 ]
+ then
+ umount "${mountpoint}"
+ fi
- udevtrigger
- udevsettle
+ return ${rc}
+}
- ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config
+do_nfsmount ()
+{
+ rc=1
- if [ "${NFSROOT}" = "auto" ]; then
- NFSROOT=${ROOTSERVER}:${ROOTPATH}
- fi
+ modprobe -q nfs
- [ "$quiet" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+ if [ -z "${NFSOPTS}" ]
+ then
+ NFSOPTS=""
+ fi
- if [ "${NETBOOT}" != "nfs" ] && do_cifsmount ; then
- rc=0
- elif do_nfsmount ; then
- NETBOOT="nfs"
- export NETBOOT
- rc=0
- fi
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
- [ "$quiet" != "y" ] && log_end_msg
- return ${rc}
-}
+ # 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
+ do
+ nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
+ sleep 1
+ done
-do_nfsmount() {
- rc=1
- modprobe "${MP_QUIET}" nfs
- if [ -z "${NFSOPTS}" ]; then
- NFSOPTS=""
- fi
-
- [ "$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; do
- nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
- sleep 1
- done
- return ${rc}
+ return ${rc}
}
-do_cifsmount() {
- rc=1
- if [ -x "/sbin/mount.cifs" ]; then
- if [ -z "${NFSOPTS}" ]; then
- CIFSOPTS="-ouser=root,password="
- else
- CIFSOPTS="${NFSOPTS}"
- fi
-
- [ "$quiet" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
- modprobe "${MP_QUIET}" cifs
-
- if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}" ; then
- rc=0
- fi
- fi
- return ${rc}
+do_cifsmount ()
+{
+ rc=1
+
+ if [ -x "/sbin/mount.cifs" ]
+ then
+ if [ -z "${NFSOPTS}" ]
+ then
+ CIFSOPTS="-ouser=root,password="
+ else
+ CIFSOPTS="${NFSOPTS}"
+ fi
+
+ [ "${quiet}" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
+ modprobe -q cifs
+
+ if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
+ then
+ rc=0
+ fi
+ fi
+
+ return ${rc}
}
do_snap_copy ()
{
- fromdev="${1}"
- todir="${2}"
- snap_type="${3}"
-
- size=$(fs_size "${fromdev}" "" "used")
-
- if [ -b "${fromdev}" ]; then
- # look for free mem
- if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]; then
- todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
- freespace=$(df -k | grep -s ${todev} | awk '{print $4}')
- else
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
- fi
-
- tomount="/mnt/tmpsnap"
- if [ ! -d "${tomount}" ] ; then
- mkdir -p "${tomount}"
- fi
-
- fstype=$(get_fstype "${fromdev}")
- if [ -n "${fstype}" ]; then
- # Copying stuff...
- mount -t "${fstype}" -o ro "${fromdev}" "${tomount}"
- cp -a "${tomount}"/* ${todir}
- umount "${tomount}"
- else
- log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
- fi
-
- rmdir "${tomount}"
- if echo ${fromdev} | grep -qs loop; then
- losetup -d "${fromdev}"
- fi
- return 0
- else
- return 1
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
- fi
+ fromdev="${1}"
+ todir="${2}"
+ snap_type="${3}"
+ size=$(fs_size "${fromdev}" "" "used")
+
+ if [ -b "${fromdev}" ]
+ then
+ # look for free mem
+ if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
+ then
+ todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
+ freespace=$(df -k | grep -s ${todev} | awk '{print $4}')
+ else
+ freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
+ fi
+
+ tomount="/mnt/tmpsnap"
+
+ if [ ! -d "${tomount}" ]
+ then
+ mkdir -p "${tomount}"
+ fi
+
+ fstype=$(get_fstype "${fromdev}")
+
+ if [ -n "${fstype}" ]
+ then
+ # Copying stuff...
+ mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
+ cp -a "${tomount}"/* ${todir}
+ umount "${tomount}"
+ else
+ log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
+ fi
+
+ rmdir "${tomount}"
+
+ if echo ${fromdev} | grep -qs loop
+ then
+ losetup -d "${fromdev}"
+ fi
+
+ return 0
+ else
+ return 1
+
+ [ "${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 $snap_mount
- # and remember the device and filename for resync on exit in live-initramfs.init
-
- snap_label="${1}"
- snap_mount="${2}"
- snap_type="${3}"
-
- snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3")
- if [ ! -z "${snapdata}" ]; then
- snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
- snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
- snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
- if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\)'; then
- # squashfs or ext2/ext3 snapshot
- dev=$(get_backing_device "${snapback}/${snapfile}")
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"; then
- log_warning_msg "Impossible to include the ${snapfile} Snapshot"
- return 1
- fi
- else
- # cpio.gz snapshot
- if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio -i -u -d 2>/dev/null) ; then
- log_warning_msg "Impossible to include the ${snapfile} Snapshot"
- return 1
- fi
- fi
- umount "${snapback}"
- else
- dev=$(find_cow_device "${snap_label}")
- if [ -b ${dev} ]; then
- if echo "${dev}" | grep -qs loop; then
- # strange things happens, user confused?
- snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
- snapfile=$(basename ${snaploop})
- snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
- else
- snapdev="${dev}"
- fi
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" ; then
- log_warning_msg "Impossible to include the ${snap_label} Snapshot"
- return 1
- else
- if [ -n "${snapfile}" ]; then
- # it was a loop device, user confused
- umount ${snapdev}
- fi
- fi
- else
- log_warning_msg "Impossible to include the ${snap_label} Snapshot"
- return 1
- fi
- fi
- echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
- return 0
+ # 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}"
+ snap_mount="${2}"
+ snap_type="${3}"
+ snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.jffs2")
+
+ if [ ! -z "${snapdata}" ]
+ then
+ snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
+ snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
+ snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
+
+ if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|jffs2\)'
+ then
+ # squashfs, jffs2 or ext2/ext3 snapshot
+ dev=$(get_backing_device "${snapback}/${snapfile}")
+
+ if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+ then
+ log_warning_msg "Impossible to include the ${snapfile} Snapshot"
+ return 1
+ fi
+ else
+ # cpio.gz snapshot
+ if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1)
+ then
+ log_warning_msg "Impossible to include the ${snapfile} Snapshot"
+ return 1
+ fi
+ fi
+
+ umount "${snapback}"
+ else
+ dev=$(find_cow_device "${snap_label}")
+
+ if [ -b ${dev} ]
+ then
+ if echo "${dev}" | grep -qs loop
+ then
+ # strange things happens, user confused?
+ snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
+ snapfile=$(basename ${snaploop})
+ snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
+ else
+ snapdev="${dev}"
+ fi
+
+ if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+ then
+ log_warning_msg "Impossible to include the ${snap_label} Snapshot"
+ return 1
+ else
+ if [ -n "${snapfile}" ]
+ then
+ # it was a loop device, user confused
+ umount ${snapdev}
+ fi
+ fi
+ else
+ log_warning_msg "Impossible to include the ${snap_label} Snapshot"
+ return 1
+ fi
+ fi
+
+ echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
+ return 0
}
-setup_unionfs() {
- image_directory="$1"
- rootmnt="$2"
-
- modprobe "${MP_QUIET}" -b unionfs
-
- # 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,
- # put them in / since move-mounting them into / breaks mono and
- # some other apps.
-
- croot="/"
-
- # Let's just mount the read-only file systems first
- rofsstring=""
- rofslist=""
- if [ "${NETBOOT}" = "nfs" ] ; then
- roopt="nfsro" # go aroung a bug in nfs-unionfs locking
- else
- roopt="ro"
- fi
-
- # Read image names from ${MODULE}.lst if it exists
- if [ -e "${image_directory}/${MODULE}.lst" ]; then
- for image in $(cat "${image_directory}/${MODULE}.lst"); do
- image_string="${image_string} ${image_directory}/${image}";
- done
- else
- # If ${MODULE}.lst does not exist, create a list of images
- for image_type in "ext2" "ext3" "squashfs" "dir"; do
- for image in "${image_directory}"/*."${image_type}"; do
- if [ -e "${image}" ]; then
- image_string="${image_string} ${image}";
+setup_unionfs ()
+{
+ image_directory="${1}"
+ rootmnt="${2}"
+ addimage_directory="${3}"
+ modprobe -q -b ${UNIONTYPE}
+
+ # run-init can't deal with images in a subdir, but we're going to
+ # move all of these away before it runs anyway. No, we're not,
+ # put them in / since move-mounting them into / breaks mono and
+ # some other apps.
+
+ croot="/"
+
+ # Let's just mount the read-only file systems first
+ rofsstring=""
+ rofslist=""
+ minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
+
+ if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
+ then
+ # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
+ roopt="nfsro"
+ elif [ "${UNIONTYPE}" = "aufs" ]
+ then
+ roopt="rr"
+ else
+ roopt="ro"
+ fi
+
+ # 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)
+ do
+ image_string="${image_string} ${image_directory}/${IMAGE}"
+ done
+ elif [ -e "${image_directory}/${MODULE}.module" ]
+ then
+ for IMAGE in $(cat ${image_directory}/${MODULE}.module)
+ do
+ image_string="${image_string} ${image_directory}/${IMAGE}"
+ done
+ else
+ # ${MODULE}.module does not exist, create a list of images
+ for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+ do
+ for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
+ do
+ if [ -e "${IMAGE}" ]
+ then
+ image_string="${image_string} ${IMAGE}"
+ fi
+ done
+ done
+
+ if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
+ then
+ for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+ do
+ for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
+ do
+ if [ -e "${IMAGE}" ]
+ then
+ image_string="${image_string} ${IMAGE}"
+ fi
+ done
+ done
+ fi
+
+ # Now sort the list
+ image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
+ fi
+
+ [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
+
+ mkdir -p "${croot}"
+
+ for image in ${image_string}
+ do
+ imagename=$(basename "${image}")
+
+ if [ -d "${image}" ]
+ then
+ # it is a plain directory: do nothing
+ rofsstring="${image}=${roopt}:${rofsstring}"
+ rofslist="${image} ${rofslist}"
+ elif [ -f "${image}" ]
+ then
+ if /sbin/losetup --help 2>&1 | grep -q -- "-r\b"
+ then
+ backdev=$(get_backing_device "${image}" "-r")
+ else
+ backdev=$(get_backing_device "${image}")
+ fi
+ fstype=$(get_fstype "${backdev}")
+
+ if [ "${fstype}" = "unknown" ]
+ then
+ panic "Unknown file system type on ${backdev} (${image})"
+ fi
+
+ mkdir -p "${croot}/${imagename}"
+ echo "debug: Mounting 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} ${rofslist}"
+ fi
+ done
+
+ rofsstring=${rofsstring%:}
+
+ mkdir -p /cow
+
+ # Looking for "${root_persistence}" device or file
+ if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ then
+ # Load USB modules
+ num_block=$(ls -l /sys/block | wc -l)
+ for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
+ do
+ modprobe -q -b ${module}
+ done
+
+ udevtrigger
+ udevsettle
+
+ # For some reason, udevsettle does not block in this scenario,
+ # so we sleep for a little while.
+ #
+ # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
+ for timeout in 5 4 3 2 1
+ do
+ sleep 1
+
+ if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
+ then
+ break
+ fi
+ done
+
+ cowprobe=$(find_cow_device "${root_persistence}")
+
+ if [ -b "${cowprobe}" ]
+ then
+ cowdevice=${cowprobe}
+ cow_fstype=$(get_fstype "${cowprobe}")
+ else
+ [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent medium"
+ cowdevice="tmpfs"
+ cow_fstype="tmpfs"
+ fi
+ elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
+ then
+ # check if there are any nfs options
+ if echo ${NFS_COW}|grep -q ','
+ then
+ nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
+ nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
+ else
+ nfs_cow_opts="-o nolock"
+ nfs_cow=${NFS_COW}
+ fi
+ mac="$(get_mac)"
+ if [ -n "${mac}" ]
+ then
+ cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
+ cow_fstype="nfs"
+ else
+ panic "unable to determine mac address"
fi
- done
- done
- # Now sort the list
- image_string=$(echo ${image_string} | sed -e 's/ /\n/g' | sort )
- fi
-
- mkdir -p "${croot}"
- for image in ${image_string}; do
- imagename=$(basename "${image}")
- if [ -d "${image}" ]; then
- # it is a plain directory: do nothing
- rofsstring="${image}=${roopt}:${rofsstring}"
- rofslist="${image} ${rofslist}"
- elif [ -f "${image}" ]; then
- backdev=$(get_backing_device "$image")
- fstype=$(get_fstype "${backdev}")
- if [ "${fstype}" = "unknown" ]; then
- panic "Unknown file system type on ${backdev} (${image})"
- fi
- mkdir -p "${croot}/${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} ${rofslist}"
- fi
- done
- rofsstring=${rofsstring%:}
-
- mkdir -p /cow
- cowdevice="tmpfs"
- cow_fstype="tmpfs"
-
- # Looking for "${root_persistence}" device or file
- if [ -n "${PERSISTENT}" ]; then
- cowprobe=$(find_cow_device "${root_persistence}")
- if [ -b "${cowprobe}" ]; then
- cowdevice=${cowprobe}
- cow_fstype=$(get_fstype "${cowprobe}")
- else
- [ "$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 $cowdevice on /cow"
-
- mount -t unionfs -o dirs=/cow=rw:$rofsstring unionfs "$rootmnt" || panic "Unionfs mount failed"
-
- # Adding other custom mounts
- if [ -n "${PERSISTENT}" ]; then
- # directly mount /home
- # FIXME: add a custom mounts configurable system
- homecow=$(find_cow_device "${home_persistence}" )
- if [ -b "${homecow}" ]; then
- mount -t $(get_fstype "${homecow}") -o rw "${homecow}" "${rootmnt}/home"
- export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
- else
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
- fi
- # Look for other snapshots to copy in
- try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
- try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
- fi
-
- if [ -n "${SHOWMOUNTS}" ]; then
- for d in ${rofslist}; do
- mkdir -p "${rootmnt}/live/${d##*/}"
- case d in
- *.dir) # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
- ;;
- *) mount --move "${d}" "${rootmnt}/live/${d##*/}"
- ;;
- esac
- done
- fi
-
- # shows cow fs on /cow for use by live-snapshot
- mkdir -p "${rootmnt}/cow"
- mount -o bind /cow "${rootmnt}/cow"
+ else
+ cowdevice="tmpfs"
+ cow_fstype="tmpfs"
+ fi
+
+ if [ "${cow_fstype}" = "nfs" ]
+ then
+ [ "${quiet}" != "y" ] && log_begin_msg \
+ "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
+ nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
+ panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
+ else
+ mount -t ${cow_fstype} -o rw,noatime ${cowdevice} /cow || \
+ panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
+ fi
+
+ rofscount=$(echo ${rofslist} |wc -w)
+
+ if [ -n "${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"
+
+ cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
+ /home /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 -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
+ ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
+ ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
+ fi
+
+ # tmpfs file systems
+ mkdir -p "${rootmnt}/live"
+ mount -t tmpfs tmpfs ${rootmnt}/live
+
+ # Adding other custom mounts
+ if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ then
+ # directly mount /home
+ # FIXME: add a custom mounts configurable system
+ homecow=$(find_cow_device "${home_persistence}" )
+
+ if [ -b "${homecow}" ]
+ then
+ 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
+ [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
+ fi
+
+ # Look for other snapshots to copy in
+ try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
+ try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
+ fi
+
+ if [ -n "${SHOWMOUNTS}" ]
+ then
+ for d in ${rofslist}
+ do
+ mkdir -p "${rootmnt}/live/${d##*/}"
+
+ case d in
+ *.dir)
+ # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+
+ *)
+ mount -o move "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+ esac
+ done
+ fi
+
+ # shows cow fs on /cow for use by live-snapshot
+ mkdir -p "${rootmnt}/live/cow"
+ mount -o move /cow "${rootmnt}/live/cow" || mount -o bind /cow "${rootmnt}/live/cow" || [ "${quiet}" != "y" ] && log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
}
check_dev ()
{
- sysdev="${1}"
- devname="${2}"
- if [ -z "${devname}" ]; then
- devname=$(sys2dev "${sysdev}")
- fi
-
- if [ -n "${LIVE_MEDIA_OFFSET}" ]; then
- loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
- devname="${loopdevname}"
- fi
-
- fstype=$(get_fstype "${devname}")
- if is_supported_fs ${fstype}; then
- mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
- if is_live_path $mountpoint; then
- echo $mountpoint
- return 0
- else
- umount $mountpoint
- fi
- fi
-
- if [ -n "${LIVE_MEDIA_OFFSET}" ]; then
- losetup -d "${loopdevname}"
- fi
- return 1
-}
+ sysdev="${1}"
+ devname="${2}"
+ skip_uuid_check="${3}"
+
+ if [ -z "${devname}" ]
+ then
+ devname=$(sys2dev "${sysdev}")
+ fi
+
+ if [ -n "${LIVE_MEDIA_OFFSET}" ]
+ then
+ loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
+ devname="${loopdevname}"
+ fi
+
+ if [ -d "${devname}" ]
+ then
+ mount -o bind "${devname}" $mountpoint || continue
+
+ if is_live_path $mountpoint
+ then
+ echo $mountpoint
+ return 0
+ else
+ umount $mountpoint
+ fi
+ fi
+
+ fstype=$(get_fstype "${devname}")
+
+ if is_supported_fs ${fstype}
+ then
+ mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
+
+ if is_live_path ${mountpoint} && \
+ ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
+ then
+ echo ${mountpoint}
+ return 0
+ else
+ umount ${mountpoint}
+ fi
+ fi
+
+ if [ -n "${LIVE_MEDIA_OFFSET}" ]
+ then
+ losetup -d "${loopdevname}"
+ fi
-find_livefs() {
- timeout="${1}"
- # first look at the one specified in the command line
- if [ ! -z "${LIVE_MEDIA}" ]; then
- if check_dev "null" "${LIVE_MEDIA}"; then
- return 0
- fi
- fi
- # don't start autodetection before timeout has expired
- if [ -n "${LIVE_MEDIA_TIMEOUT}" ]; then
- if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]; then
- return 1
- fi
- fi
- # or do the scan of block devices
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram); do
- devname=$(sys2dev "${sysblock}")
- fstype=$(get_fstype "${devname}")
- if /lib/udev/cdrom_id ${devname} > /dev/null; then
- if check_dev "null" "${devname}" ; then
- return 0
- fi
- elif is_nice_device "${sysblock}" ; then
- for dev in $(subdevices "${sysblock}"); do
- if check_dev "${dev}" ; then
- return 0
- fi
- done
- elif [ "${fstype}" = "squashfs" -o \
- "${fstype}" = "ext2" -o \
- "${fstype}" = "ext3" ]; then
- # This is an ugly hack situation, the block device has
- # an image directly on it. It's hopefully
- # live-initramfs, so take it and run with it.
- ln -s "${devname}" "${devname}.${fstype}"
- echo "${devname}.${fstype}"
- return 0
- fi
- done
- return 1
+ return 1
}
-pulsate() {
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "PULSATE"
- fi
+find_livefs ()
+{
+ timeout="${1}"
+
+ # first look at the one specified in the command line
+ if [ ! -z "${LIVE_MEDIA}" ]
+ then
+ if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
+ then
+ return 0
+ fi
+ fi
+
+ # don't start autodetection before timeout has expired
+ if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
+ then
+ if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
+ then
+ return 1
+ fi
+ fi
+
+ # or do the scan of block devices
+ for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v 'dm-' | grep -v fd )
+ do
+ devname=$(sys2dev "${sysblock}")
+ fstype=$(get_fstype "${devname}")
+
+ if /lib/udev/cdrom_id ${devname} > /dev/null
+ then
+ if check_dev "null" "${devname}"
+ then
+ return 0
+ fi
+ elif is_nice_device "${sysblock}"
+ then
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
+ then
+ return 0
+ fi
+ done
+ elif [ "${fstype}" = "squashfs" -o \
+ "${fstype}" = "ext2" -o \
+ "${fstype}" = "ext3" -o \
+ "${fstype}" = "jffs2" ]
+ then
+ # This is an ugly hack situation, the block device has
+ # an image directly on it. It's hopefully
+ # live-initramfs, so take it and run with it.
+ ln -s "${devname}" "${devname}.${fstype}"
+ echo "${devname}.${fstype}"
+ return 0
+ fi
+ done
+
+ return 1
}
-set_usplash_timeout() {
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "TIMEOUT 120"
- fi
+set_usplash_timeout ()
+{
+ if [ -x /sbin/usplash_write ]
+ then
+ /sbin/usplash_write "TIMEOUT 120"
+ fi
}
-mountroot() {
- exec 6>&1
- exec 7>&2
- exec > live.log
- exec 2>&1
-
- parse_cmdline
-
- set_usplash_timeout
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-premount"
- pulsate
- run_scripts /scripts/live-premount
- [ "$quiet" != "y" ] && log_end_msg
-
- # Needed here too because some things (*cough* udev *cough*)
- # changes the timeout
-
- set_usplash_timeout
-
- if [ ! -z "${NETBOOT}" ]; then
- if do_netmount ; then
- livefs_root="${mountpoint}"
- else
- panic "Unable to find a live file system on the network"
- fi
- else
- # 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 $i)
- if [ -n "${livefs_root}" ]; then
- break
- fi
- sleep 1
- done
- fi
-
- if [ -z "${livefs_root}" ]; then
- panic "Unable to find a medium containing a live file system"
- fi
-
- if [ "${TORAM}" ]; then
- live_dest="ram"
- elif [ "${TODISK}" ]; then
- live_dest="${TODISK}"
- fi
- if [ "${live_dest}" ]; then
- log_begin_msg "Copying live_media to ${live_dest}"
- copy_live_to "${livefs_root}" "${live_dest}"
- log_end_msg
- fi
-
- mount_images_in_directory "${livefs_root}" "${rootmnt}"
-
- log_end_msg
-
- maybe_break live-bottom
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
-
- pulsate
- run_scripts /scripts/live-bottom
- [ "$quiet" != "y" ] && log_end_msg
-
- exec 1>&6 6>&-
- exec 2>&7 7>&-
- cp live.log "${rootmnt}/var/log/"
+mountroot ()
+{
+
+ if [ -x /scripts/local-top/cryptroot ]; then
+ /scripts/local-top/cryptroot
+ fi
+
+ exec 6>&1
+ exec 7>&2
+ exec > live.log
+ exec 2>&1
+ tail -f live.log >&7 &
+ tailpid="${!}"
+
+ Arguments
+
+ set_usplash_timeout
+ [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-premount"
+ run_scripts /scripts/live-premount
+ [ "${quiet}" != "y" ] && log_end_msg
+
+ # Needed here too because some things (*cough* udev *cough*)
+ # changes the timeout
+
+ set_usplash_timeout
+
+ if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
+ then
+ if do_netmount
+ then
+ livefs_root="${mountpoint}"
+ else
+ panic "Unable to find a live file system on the network"
+ fi
+ else
+ if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+ then
+ # Do a local boot from hd
+ livefs_root=${ROOT}
+ else
+ # Scan local devices for the image
+ for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
+ do
+ livefs_root=$(find_livefs ${i})
+
+ if [ -n "${livefs_root}" ]
+ then
+ break
+ fi
+
+ sleep 1
+ done
+ fi
+ fi
+
+ if [ -z "${livefs_root}" ]
+ then
+ panic "Unable to find a medium containing a live file system"
+ fi
+
+ if [ "${TORAM}" ]
+ then
+ live_dest="ram"
+ elif [ "${TODISK}" ]
+ then
+ live_dest="${TODISK}"
+ fi
+
+ if [ "${live_dest}" ]
+ then
+ log_begin_msg "Copying live media to ${live_dest}"
+ copy_live_to "${livefs_root}" "${live_dest}"
+ log_end_msg
+ fi
+
+ if [ -n "${MODULETORAMFILE}" ]
+ then
+ setup_unionfs "${livefs_root}" "${rootmnt}"
+ else
+ mac="$(get_mac)"
+ mac="$(echo ${mac} | sed 's/-//g')"
+ mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
+ fi
+
+ log_end_msg
+
+ maybe_break live-bottom
+ [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
+
+ run_scripts /scripts/live-bottom
+ [ "${quiet}" != "y" ] && log_end_msg
+
+ exec 1>&6 6>&-
+ exec 2>&7 7>&-
+ kill ${tailpid}
+ cp live.log "${rootmnt}/var/log/"
}
projects / live-boot-grml.git / blobdiff