# set -e
+for _SCRIPT in /lib/live/boot/*
+do
+ if [ -e "${_SCRIPT}" ]
+ then
+ . ${_SCRIPT}
+ fi
+done
+
export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
echo "/root/lib" >> /etc/ld.so.conf
return 1
}
-copy_live_to ()
-{
- copyfrom="${1}"
- copytodev="${2}"
- copyto="${copyfrom}_swap"
-
- if [ -z "${MODULETORAM}" ]
- then
- size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "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 [ "${copytodev}" = "ram" ]
- then
- # copying to ram:
- freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
- mount_options="-o size=${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
- log_warning_msg "${copytodev} is not a block device."
- return 1
- fi
- fi
-
- if [ "${freespace}" -lt "${size}" ]
- then
- log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
- return 1
- fi
-
- # Custom ramdisk size
- if [ -z "${mount_options}" ] && [ -n "${ramdisk_size}" ]
- then
- # FIXME: should check for wrong values
- mount_options="-o size=${ramdisk_size}"
- fi
-
- # begin copying (or uncompressing)
- mkdir "${copyto}"
- log_begin_msg "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
- if [ -x /bin/rsync ]
- then
- echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
- rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
- else
- cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
- fi
- else
- if [ -x /bin/rsync ]
- then
- echo " * Copying whole medium to RAM" 1>/dev/console
- rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files
- else
- mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
- cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH}
- if [ -e ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ]
- then
- cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ${copyto}
- fi
- fi
- fi
-
- umount ${copyfrom}
- mount -r -o move ${copyto} ${copyfrom}
- fi
-
- rmdir ${copyto}
- return 0
-}
-
-do_netsetup ()
-{
- modprobe -q af_packet # For DHCP
-
- udevadm trigger
- udevadm settle
-
- [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
- echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
-
- if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
- [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
- then
-
-
- # support for Syslinux IPAPPEND parameter
- # it sets the BOOTIF variable on the kernel parameter
-
- if [ -n "${BOOTIF}" ]
- then
- # pxelinux sets BOOTIF to a value based on the mac address of the
- # network card used to PXE boot, so use this value for DEVICE rather
- # than a hard-coded device name from initramfs.conf. this facilitates
- # network booting when machines may have multiple network cards.
- # pxelinux sets BOOTIF to 01-$mac_address
-
- # strip off the leading "01-", which isn't part of the mac
- # address
- temp_mac=${BOOTIF#*-}
-
- # convert to typical mac address format by replacing "-" with ":"
- bootif_mac=""
- IFS='-'
- for x in $temp_mac
- do
- if [ -z "$bootif_mac" ]
- then
- bootif_mac="$x"
- else
- bootif_mac="$bootif_mac:$x"
- fi
- done
- unset IFS
-
- # look for devices with matching mac address, and set DEVICE to
- # appropriate value if match is found.
-
- for device in /sys/class/net/*
- do
- if [ -f "$device/address" ]
- then
- current_mac=$(cat "$device/address")
-
- if [ "$bootif_mac" = "$current_mac" ]
- then
- DEVICE=${device##*/}
- break
- fi
- fi
- done
- fi
-
- # if ethdevice was not specified on the kernel command line
- # make sure we try to get a working network configuration
- # for *every* present network device (except for loopback of course)
- if [ -z "$ETHDEVICE" ] ; then
- echo "If you want to boot from a specific device use bootoption ethdevice=..."
- for device in /sys/class/net/*; do
- dev=${device##*/} ;
- if [ "$dev" != "lo" ] ; then
- ETHDEVICE="$ETHDEVICE $dev"
- fi
- done
- fi
-
- # split args of ethdevice=eth0,eth1 into "eth0 eth1"
- for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
- devlist="$devlist $device"
- done
-
- # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
- # an endless loop; if execution fails give it two further tries, that's
- # why we use '$devlist $devlist $devlist' for the other for loop
- for dev in $devlist $devlist $devlist ; do
- echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
- ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
- jobid=$!
- sleep "$ETHDEV_TIMEOUT" ; sleep 1
- if [ -r /proc/"$jobid"/status ] ; then
- echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
- kill -9 $jobid
- fi
-
- # if configuration of device worked we should have an assigned
- # IP address, if so let's use the device as $DEVICE for later usage.
- # simple and primitive approach which seems to work fine
- if ifconfig $dev | grep -q 'inet.*addr:' ; then
- export DEVICE="$dev"
- break
- fi
- done
-
- else
- for interface in ${DEVICE}; do
- ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
- [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
- if [ "$IPV4ADDR" != "0.0.0.0" ]
- then
- break
- fi
- done
- fi
-
- for interface in ${DEVICE}; do
- # source relevant ipconfig output
- OLDHOSTNAME=${HOSTNAME}
- [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
- [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
- export HOSTNAME
-
- if [ -n "${interface}" ]
- then
- HWADDR="$(cat /sys/class/net/${interface}/address)"
- fi
-
- if [ ! -e "/etc/resolv.conf" ]
- then
- echo "Creating /etc/resolv.conf"
-
- if [ -n "${DNSDOMAIN}" ]
- then
- echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
- echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
- fi
-
- for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
- do
- if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
- then
- echo "nameserver $i" >> /etc/resolv.conf
- fi
- done
- fi
-
- # Check if we have a network device at all
- if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \
- ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/ra0 > /dev/null 2>&1
- then
- panic "No supported network device found, maybe a non-mainline driver is required."
- fi
- done
-}
-
-do_netmount()
-{
- do_netsetup
-
- if [ "${NFSROOT}" = "auto" ]
- then
- NFSROOT=${ROOTSERVER}:${ROOTPATH}
- fi
-
- rc=1
-
- if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] )
- then
- do_httpmount
- return $?
- fi
-
- if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
- then
- NFSROOT=${ROOTSERVER}:${NFSROOT}
- fi
-
- 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
-
- log_end_msg
- return ${rc}
-}
-
-do_iscsi()
-{
- do_netsetup
- #modprobe ib_iser
- modprobe iscsi_tcp
- local debugopt=""
- [ "${DEBUG}" = "Yes" ] && debugopt="-d 8"
- #FIXME this name is supposed to be unique - some date + ifconfig hash?
- ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
- export ISCSI_INITIATORNAME
- if [ -n "${ISCSI_SERVER}" ] ; then
- iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
- else
- iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
- fi
- if [ $? != 0 ]
- then
- panic "Failed to log into iscsi target"
- fi
- local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
- /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
- if [ -n "${host}" ]
- then
- local devices=""
- local i=0
- while [ -z "${devices}" -a $i -lt 60 ]
- do
- sleep 1
- devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
- /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
- i=$(expr $i + 1)
- echo -ne $i\\r
- done
- for dev in $devices
- do
- if check_dev "null" "/dev/$dev"
- then
- NETBOOT="iscsi"
- export NETBOOT
- return 0;
- fi
- done
- panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
- else
- panic "Failed to locate iSCSI host in /sys"
- fi
-}
-
-do_httpmount ()
-{
- rc=1
-
- for webfile in HTTPFS FTPFS FETCH
- do
- local url="$(eval echo \"\$\{${webfile}\}\")"
- local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
-
- if [ -n "$url" ]
- then
- case "${extension}" in
- iso|squashfs|tgz|tar)
- if [ "${extension}" = "iso" ]
- then
- mkdir -p "${alt_mountpoint}"
- dest="${alt_mountpoint}"
- else
- local dest="${mountpoint}/${LIVE_MEDIA_PATH}"
- mount -t ramfs ram "${mountpoint}"
- mkdir -p "${dest}"
- fi
- if [ "${webfile}" = "FETCH" ]
- then
- case "$url" in
- tftp*)
- ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
- rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
- lfile="$(basename $url)"
- log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
- tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
- ;;
-
- *)
- log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
- wget "${url}" -O "${dest}/$(basename ${url})"
- ;;
- esac
- else
- 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}" "${dest}"
- ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
- fi
- [ ${?} -eq 0 ] && rc=0
- [ "${extension}" = "tgz" ] && live_dest="ram"
- if [ "${extension}" = "iso" ]
- then
- isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
- mount -t iso9660 "${isoloop}" "${mountpoint}"
- rc=${?}
- fi
- break
- ;;
-
- *)
- log_begin_msg "Unrecognized archive extension for ${url}"
- ;;
- esac
- fi
- done
-
- if [ ${rc} != 0 ]
- then
- if [ -d "${alt_mountpoint}" ]
- then
- umount "${alt_mountpoint}"
- rmdir "${alt_mountpoint}"
- fi
- umount "${mountpoint}"
- elif [ "${webfile}" != "FETCH" ] ; then
- NETBOOT="${webfile}"
- export NETBOOT
- fi
-
- return ${rc}
-}
-
-do_nfsmount ()
-{
- rc=1
-
- modprobe -q nfs
-
- if [ -n "${NFSOPTS}" ]
- then
- NFSOPTS="-o ${NFSOPTS}"
- fi
-
- log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
-
- # FIXME: This while loop is an ugly HACK round an nfs bug
- i=0
- while [ "$i" -lt 60 ]
- do
- nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
- sleep 1
- i="$(($i + 1))"
- done
-
- return ${rc}
-}
-
-do_cifsmount ()
-{
- rc=1
-
- if [ -x "/sbin/mount.cifs" ]
- then
- if [ -z "${NFSOPTS}" ]
- then
- CIFSOPTS="-ouser=root,password="
- else
- CIFSOPTS="-o ${NFSOPTS}"
- fi
-
- 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
- log_success_msg "Copying snapshot ${fromdev} to ${todir}..."
-
- # look for free mem
- if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
- then
- todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
- freespace=$(df -k | awk '/'${todev}'/{print $4}')
- else
- freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
- fi
-
- tomount="/mnt/tmpsnap"
-
- if [ ! -d "${tomount}" ]
- then
- mkdir -p "${tomount}"
- fi
-
- fstype=$(get_fstype "${fromdev}")
-
- if [ -n "${fstype}" ]
- then
- # Copying stuff...
- mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in 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
- log_warning_msg "Unable to find the snapshot ${snap_type} medium"
- return 1
- fi
-}
-
-try_snap ()
-{
- # copy the contents of previously found snapshot to ${snap_mount}
- # and remember the device and filename for resync on exit in live-boot.init
-
- snapdata="${1}"
- snap_mount="${2}"
- snap_type="${3}"
- snap_relpath="${4}"
-
- if [ -z "${snap_relpath}" ]
- then
- # root snapshot, default usage
- snap_relpath="/"
- else
- # relative snapshot (actually used just for "/home" snapshots)
- snap_mount="${2}${snap_relpath}"
- fi
-
- if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
- then
- log_success_msg "found snapshot: ${snapdata}"
- snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
- snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
- snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
-
- if ! try_mount "${snapdev}" "${snapback}" "ro"
- then
- break
- fi
-
- RES="0"
-
- if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
- then
- # squashfs, jffs2 or ext2/ext3/ext4 snapshot
- dev=$(get_backing_device "${snapback}/${snapfile}")
-
- do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
- RES="$?"
- else
- # cpio.gz snapshot
-
- # Unfortunately klibc's cpio is incompatible with the
- # rest of the world; everything else requires -u -d,
- # while klibc doesn't implement them. Try to detect
- # whether it's in use.
- cpiopath="$(which cpio)" || true
- if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
- then
- cpioargs=
- else
- cpioargs='--unconditional --make-directories'
- fi
-
- if [ -s "${snapback}/${snapfile}" ]
- then
- BEFOREDIR="$(pwd)"
- cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null
- RES="$?"
- cd "${BEFOREDIR}"
- else
- log_warning_msg "${snapback}/${snapfile} is empty, adding it for sync on reboot."
- RES="0"
- fi
-
- if [ "${RES}" != "0" ]
- then
- log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
- fi
- fi
-
- umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
-
- if [ "${RES}" != "0" ]
- then
- log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
- fi
-
- elif [ -b "${snapdata}" ]
- then
- # Try to find if it could be a snapshot partition
- dev="${snapdata}"
- log_success_msg "found snapshot ${snap_type} device on ${dev}"
- if echo "${dev}" | grep -qs loop
- then
- # strange things happens, user confused?
- snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
- snapfile=$(basename ${snaploop})
- snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
- else
- snapdev="${dev}"
- fi
-
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
- then
- log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)"
- return 1
- else
- if [ -n "${snapfile}" ]
- then
- # it was a loop device, user confused
- umount ${snapdev}
- fi
- fi
- else
- log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)"
- return 1
- fi
-
- if [ -z ${PERSISTENCE_READONLY} ]
- then
- echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
- fi
- return 0
-}
-
-setup_unionfs ()
-{
- image_directory="${1}"
- rootmnt="${2}"
- addimage_directory="${3}"
-
- case ${UNIONTYPE} in
- aufs|unionfs|overlayfs)
- modprobe -q -b ${UNIONTYPE}
-
- if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ]
- then
- echo "${UNIONTYPE} not available, falling back to unionfs-fuse."
- echo "This might be really slow."
-
- UNIONTYPE="unionfs-fuse"
- fi
- ;;
- esac
-
- if [ "${UNIONTYPE}" = unionfs-fuse ]
- then
- modprobe fuse
- fi
-
- # 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
- rofslist=""
-
- if [ -z "${PLAIN_ROOT}" ]
- 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)
- 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
- # ${MODULE}.module does not exist, create a list of images
- for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
- do
- for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
- do
- if [ -e "${IMAGE}" ]
- then
- image_string="${image_string} ${IMAGE}"
- fi
- done
- done
-
- if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
- then
- for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
- do
- for IMAGE in "${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 "${image}")
-
- export image devname
- maybe_break live-realpremount
- log_begin_msg "Running /scripts/live-realpremount"
- run_scripts /scripts/live-realpremount
- log_end_msg
-
- if [ -d "${image}" ]
- then
- # it is a plain directory: do nothing
- rofslist="${image} ${rofslist}"
- elif [ -f "${image}" ]
- then
- if 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
-
- if [ -z "${fstype}" ]
- then
- fstype="${imagename##*.}"
- log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
- fi
-
- if [ "${UNIONTYPE}" != "unionmount" ]
- then
- mpoint="${croot}/${imagename}"
- rofslist="${mpoint} ${rofslist}"
- else
- mpoint="${rootmnt}"
- rofslist="${rootmnt} ${rofslist}"
- fi
- mkdir -p "${mpoint}"
- log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\""
- mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}"
- log_end_msg
- fi
- done
- else
- # we have a plain root system
- mkdir -p "${croot}/filesystem"
- log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
- mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || \
- panic "Can not mount ${image_directory} on ${croot}/filesystem" && \
- rofslist="${croot}/filesystem ${rofslist}"
- # probably broken:
- mount -o bind ${croot}/filesystem $mountpoint
- log_end_msg
- fi
-
- # tmpfs file systems
- touch /etc/fstab
- mkdir -p /live
- mount -t tmpfs tmpfs /live
- mkdir -p /live/overlay
-
- # Looking for persistence devices or files
- if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
- then
-
- if [ -z "${QUICKUSBMODULES}" ]
- 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
-
- udevadm trigger
- udevadm settle
-
- # 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 ${num_block} ]
- then
- break
- fi
- done
- fi
-
- case "${PERSISTENCE_MEDIA}" in
- removable)
- whitelistdev="$(removable_dev)"
- ;;
- removable-usb)
- whitelistdev="$(removable_usb_dev)"
- ;;
- *)
- whitelistdev=""
- ;;
- esac
-
- if is_in_comma_sep_list overlay ${PERSISTENCE_METHOD}
- then
- overlays="${old_root_overlay_label} ${old_home_overlay_label} ${custom_overlay_label}"
- fi
-
- if is_in_comma_sep_list snapshot ${PERSISTENCE_METHOD}
- then
- snapshots="${root_snapshot_label} ${home_snapshot_label}"
- fi
-
- local root_snapdata=""
- local home_snapdata=""
- local overlay_devices=""
- for media in $(find_persistence_media "${overlays}" "${snapshots}" "${whitelistdev}")
- do
- media="$(echo ${media} | tr ":" " ")"
- case ${media} in
- ${root_snapshot_label}=*|${old_root_snapshot_label}=*)
- if [ -z "${root_snapdata}" ]
- then
- root_snapdata="${media#*=}"
- fi
- ;;
- ${home_snapshot_label}=*)
- # This second type should be removed when snapshot will get smarter,
- # hence when "/etc/live-snapshot*list" will be supported also by
- # ext2|ext3|ext4|jffs2 snapshot types.
- if [ -z "${home_snapdata}" ]
- then
- home_snapdata="${media#*=}"
- fi
- ;;
- ${old_root_overlay_label}=*)
- device="${media#*=}"
- fix_backwards_compatibility ${device} / union
- overlay_devices="${overlay_devices} ${device}"
- ;;
- ${old_home_overlay_label}=*)
- device="${media#*=}"
- fix_backwards_compatibility ${device} /home bind
- overlay_devices="${overlay_devices} ${device}"
- ;;
- ${custom_overlay_label}=*)
- device="${media#*=}"
- overlay_devices="${overlay_devices} ${device}"
- ;;
- esac
- done
- elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENCE}" ]
- 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
-
- if [ -n "${PERSISTENCE_READONLY}" ]
- then
- nfs_cow_opts="${nfs_cow_opts},nocto,ro"
- 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
- fi
-
- if [ -z "${cowdevice}" ]
- then
- cowdevice="tmpfs"
- cow_fstype="tmpfs"
- cow_mountopt="rw,noatime,mode=755"
- fi
-
- if [ "${UNIONTYPE}" != "unionmount" ]
- then
- if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
- then
- mount -t tmpfs -o rw,noatime,mode=755 tmpfs "/live/overlay"
- root_backing="/live/persistence/$(basename ${cowdevice})-root"
- mkdir -p ${root_backing}
- else
- root_backing="/live/overlay"
- fi
-
- if [ "${cow_fstype}" = "nfs" ]
- then
- log_begin_msg \
- "Trying nfsmount ${nfs_cow_opts} ${cowdevice} ${root_backing}"
- nfsmount ${nfs_cow_opts} ${cowdevice} ${root_backing} || \
- panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on ${root_backing}"
- else
- mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} ${root_backing} || \
- panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on ${root_backing}"
- fi
- fi
-
- rofscount=$(echo ${rofslist} |wc -w)
-
- rofs=${rofslist%% }
-
- if [ -n "${EXPOSED_ROOT}" ]
- then
- if [ ${rofscount} -ne 1 ]
- then
- panic "only one RO file system supported with exposedroot: ${rofslist}"
- fi
-
- mount --bind ${rofs} ${rootmnt} || \
- panic "bind mount of ${rofs} failed"
-
- if [ -z "${SKIP_UNION_MOUNTS}" ]
- then
- cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
- else
- cow_dirs=''
- fi
- else
- cow_dirs="/"
- fi
-
- if [ "${cow_fstype}" != "tmpfs" ] && [ "${cow_dirs}" != "/" ] && [ "${UNIONTYPE}" = "unionmount" ]
- then
- true # FIXME: Maybe it does, I don't really know.
- #panic "unionmount does not support subunions (${cow_dirs})."
- fi
-
- for dir in ${cow_dirs}; do
- unionmountpoint="${rootmnt}${dir}"
- mkdir -p ${unionmountpoint}
- if [ "${UNIONTYPE}" = "unionmount" ]
- then
- # FIXME: handle PERSISTENCE_READONLY
- unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
- mount_full $unionmountopts "${unionmountpoint}"
- else
- cow_dir="/live/overlay${dir}"
- rofs_dir="${rofs}${dir}"
- mkdir -p ${cow_dir}
- if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
- then
- do_union ${unionmountpoint} ${cow_dir} ${root_backing} ${rofs_dir}
- else
- do_union ${unionmountpoint} ${cow_dir} ${rofs_dir}
- fi
- fi || panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}"
- done
-
- # Correct the permissions of /:
- chmod 0755 "${rootmnt}"
-
- live_rofs_list=""
- # SHOWMOUNTS is necessary for custom mounts with the union option
- # Since we may want to do custom mounts in user-space it's best to always enable SHOWMOUNTS
- if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] 1)
- then
- # XXX: is the for loop really necessary? rofslist can only contain one item (see above XXX about EXPOSEDROOT) and this is also assumed elsewhere above (see use of $rofs above).
- for d in ${rofslist}
- do
- live_rofs="/live/rofs/${d##*/}"
- live_rofs_list="${live_rofs_list} ${live_rofs}"
- mkdir -p "${live_rofs}"
- case d in
- *.dir)
- # do nothing # mount -o bind "${d}" "${live_rofs}"
- ;;
- *)
- case "${UNIONTYPE}" in
- unionfs-fuse)
- mount -o bind "${d}" "${live_rofs}"
- ;;
- *)
- mount -o move "${d}" "${live_rofs}"
- ;;
- esac
- ;;
- esac
- done
- fi
-
- # Adding custom persistence
- if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
- then
- local custom_mounts="/tmp/custom_mounts.list"
- rm -rf ${custom_mounts} 2> /dev/null
-
- # Gather information about custom mounts from devies detected as overlays
- get_custom_mounts ${custom_mounts} ${overlay_devices}
-
- [ -n "${DEBUG}" ] && cp ${custom_mounts} "/live/persistence"
-
- # Now we do the actual mounting (and symlinking)
- local used_overlays=""
- used_overlays=$(activate_custom_mounts ${custom_mounts})
- rm ${custom_mounts}
-
- # Close unused overlays (e.g. due to missing $persistence_list)
- for overlay in ${overlay_devices}
- do
- if echo ${used_overlays} | grep -qve "^\(.* \)\?${device}\( .*\)\?$"
- then
- close_persistence_media ${overlay}
- fi
- done
-
- # Look for other snapshots to copy in
- [ -n "${root_snapdata}" ] && try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
- # This second type should be removed when snapshot grow smarter
- [ -n "${home_snapdata}" ] && try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
- fi
-
- mkdir -p "${rootmnt}/live"
- mount -o move /live "${rootmnt}/live" >/dev/null 2>&1 || mount -o bind /live "${rootmnt}/live" || log_warning_msg "Unable to move or bind /live to ${rootmnt}/live"
-
- # shows cow fs on /overlay for use by live-snapshot
- mkdir -p "${rootmnt}/live/overlay"
- mount -o move /live/overlay "${rootmnt}/live/overlay" >/dev/null 2>&1 || mount -o bind /overlay "${rootmnt}/live/overlay" || log_warning_msg "Unable to move or bind /overlay to ${rootmnt}/live/overlay"
-
-}
-
check_dev ()
{
sysdev="${1}"
projects / live-boot-grml.git / blobdiff