LANGUAGES = $(shell cd manpages/po && ls)
-SCRIPTS = bin/* initramfs-tools/hooks/* initramfs-tools/scripts/live initramfs-tools/scripts/live-functions initramfs-tools/scripts/live-helpers initramfs-tools/scripts/*/*
+SCRIPTS = bin/* initramfs-tools/hooks/* initramfs-tools/scripts/live initramfs-tools/scripts/live-functions initramfs-tools/scripts/live-helpers initramfs-tools/scripts/*/* scripts/*
all: build
@echo "Nothing to build."
install:
+ # Installing scripts
+ mkdir -p $(DESTDIR)/lib/live
+ cp -r scripts/boot.sh $(DESTDIR)/lib/live
+
# Installing executables
mkdir -p $(DESTDIR)/sbin
cp bin/live-new-uuid bin/live-snapshot bin/live-swapfile $(DESTDIR)/sbin
+lib
sbin
usr/share/live-boot
fi
[ "${QUIET}" ] || echo -n " "core
+
+mkdir -p "${DESTDIR}/lib/live"
+cp -a /lib/live/boot.sh "${DESTDIR}/lib/live"
+
# Configuration
if [ -e /usr/share/live-boot/languagelist ]
then
#!/bin/sh
-# set -e
-
-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/image"
-alt_mountpoint="/media"
-LIVE_MEDIA_PATH="live"
-
-HOSTNAME="host"
-
-mkdir -p "${mountpoint}"
-tried="/tmp/tried"
-
-# Create /etc/mtab for debug purpose and future syncs
-if [ ! -d /etc ]
+if [ -e /lib/live/boot.sh ]
then
- mkdir /etc/
+ /lib/live/boot.sh ${@}
fi
-
-if [ ! -f /etc/mtab ]
-then
- touch /etc/mtab
-fi
-
-. /scripts/live-helpers
-
-if [ ! -f /live.vars ]
-then
- touch /live.vars
-fi
-
-is_live_path ()
-{
- DIRECTORY="${1}"
-
- if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
- then
- for FILESYSTEM in squashfs ext2 ext3 ext4 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="$(cat /conf/uuid.conf)"
-
- for try_uuid_file in "${path}/.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|*.ext4|*.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 ${1} ?
- local pattern="${1}"
-
- if [ "$(echo ${pattern})" != "${pattern}" ]
- then
- return 0
- fi
-
- return 1
-}
-
-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}/${LIVE_MEDIA_PATH}/*.ext4" ||
- match_files_in_dir "${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}" "${adddirectory}"
- else
- panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
- fi
-}
-
-is_nice_device ()
-{
- sysfs_path="${1#/sys}"
-
- if [ -e /lib/udev/path_id ]
- then
- # squeeze
- PATH_ID="/lib/udev/path_id"
- else
- # wheezy/sid (udev >= 174)
- PATH_ID="/sbin/udevadm test-builtin path_id"
- fi
-
- if ${PATH_ID} "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
- then
- return 0
- elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
- then
- return 0
- elif echo ${sysfs_path} | grep -q "^/block/dm-"
- then
- return 0
- elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
- then
- return 0
- fi
-
- return 1
-}
-
-copy_live_to ()
-{
- copyfrom="${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}"
- devname="${2}"
- skip_uuid_check="${3}"
-
- # support for fromiso=.../isofrom=....
- if [ -n "$FROMISO" ]
- then
- ISO_DEVICE=$(dirname $FROMISO)
- if ! [ -b $ISO_DEVICE ]
- then
- # to support unusual device names like /dev/cciss/c0d0p1
- # as well we have to identify the block device name, let's
- # do that for up to 15 levels
- i=15
- while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
- do
- ISO_DEVICE=$(dirname ${ISO_DEVICE})
- [ -b "$ISO_DEVICE" ] && break
- i=$(($i -1))
- done
- fi
-
- if [ "$ISO_DEVICE" = "/" ]
- then
- echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
- 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
- ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
- loopdevname=$(setup_loop "/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
- devname="${loopdevname}"
- else
- echo "Warning: unable to mount $ISO_DEVICE." >>/boot.log
- fi
- fi
- fi
-
- if [ -z "${devname}" ]
- then
- devname=$(sys2dev "${sysdev}")
- 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
-
- IFS=","
- for device in ${devname}
- do
- case "$device" in
- *mapper*)
- # Adding lvm support
- if [ -x /scripts/local-top/lvm2 ]
- then
- ROOT="$device" resume="" /scripts/local-top/lvm2
- fi
- ;;
-
- /dev/md*)
- # Adding raid support
- if [ -x /scripts/local-top/mdadm ]
- then
- cp /conf/conf.d/md /conf/conf.d/md.orig
- echo "MD_DEVS=$device " >> /conf/conf.d/md
- /scripts/local-top/mdadm
- mv /conf/conf.d/md.orig /conf/conf.d/md
- fi
- ;;
- esac
- done
- unset IFS
-
- [ -n "$device" ] && devname="$device"
-
- [ -e "$devname" ] || continue
-
- if [ -n "${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 ${fstype}
- then
- devuid=$(blkid -o value -s UUID "$devname")
- [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
- mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
- [ -n "$devuid" ] && echo "$devuid" >> $tried
-
- if [ -n "${FINDISO}" ]
- then
- 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 "")
- devname="${loopdevname}"
- mount -t iso9660 -o ro,noatime "${devname}" ${mountpoint}
- else
- umount ${mountpoint}
- fi
- fi
-
- if is_live_path ${mountpoint} && \
- ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
- then
- echo ${mountpoint}
- return 0
- else
- umount ${mountpoint} 2>/dev/null
- fi
- fi
-
- if [ -n "${LIVE_MEDIA_OFFSET}" ]
- then
- losetup -d "${loopdevname}"
- fi
-
- return 1
-}
-
-find_livefs ()
-{
- timeout="${1}"
-
- # don't start autodetection before timeout has expired
- if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
- then
- if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
- then
- return 1
- fi
- fi
-
- # first look at the one specified in the command line
- case "${LIVE_MEDIA}" in
- removable-usb)
- for sysblock in $(removable_usb_dev "sys")
- do
- for dev in $(subdevices "${sysblock}")
- do
- if check_dev "${dev}"
- then
- return 0
- fi
- done
- done
- return 1
- ;;
-
- removable)
- for sysblock in $(removable_dev "sys")
- do
- for dev in $(subdevices "${sysblock}")
- do
- if check_dev "${dev}"
- then
- return 0
- fi
- done
- done
- return 1
- ;;
-
- *)
- if [ ! -z "${LIVE_MEDIA}" ]
- then
- if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
- then
- return 0
- fi
- fi
- ;;
- esac
-
- # or do the scan of block devices
- # prefer removable devices over non-removable devices, so scan them first
- devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')"
-
- for sysblock in $devices_to_scan
- do
- devname=$(sys2dev "${sysblock}")
- [ -e "$devname" ] || continue
- 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 \
- "${fstype}" = "btrfs" -o \
- "${fstype}" = "ext2" -o \
- "${fstype}" = "ext3" -o \
- "${fstype}" = "ext4" -o \
- "${fstype}" = "jffs2" ]
- then
- # This is an ugly hack situation, the block device has
- # an image directly on it. It's hopefully
- # live-boot, so take it and run with it.
- ln -s "${devname}" "${devname}.${fstype}"
- echo "${devname}.${fstype}"
- return 0
- fi
- done
-
- return 1
-}
-
-integrity_check ()
-{
- media_mountpoint="${1}"
-
- log_begin_msg "Checking media integrity"
-
- cd ${media_mountpoint}
- /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
- RC="${?}"
-
- log_end_msg
-
- if [ "${RC}" -eq 0 ]
- then
- log_success_msg "Everything ok, will reboot in 10 seconds."
- sleep 10
- cd /
- umount ${media_mountpoint}
- sync
- echo u > /proc/sysrq-trigger
- echo b > /proc/sysrq-trigger
- else
- panic "Not ok, a media defect is likely, switch to VT8 for details."
- fi
-}
-
-mountroot ()
-{
- if [ -x /scripts/local-top/cryptroot ]; then
- /scripts/local-top/cryptroot
- fi
-
- exec 6>&1
- exec 7>&2
- exec > boot.log
- exec 2>&1
- tail -f boot.log >&7 &
- tailpid="${!}"
-
- # Ensure 'panic' function is overridden
- . /scripts/live-functions
-
- Arguments
-
- maybe_break live-premount
- log_begin_msg "Running /scripts/live-premount"
- run_scripts /scripts/live-premount
- log_end_msg
-
- # Needed here too because some things (*cough* udev *cough*)
- # changes the timeout
-
- if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
- then
- if do_netmount
- then
- livefs_root="${mountpoint}"
- else
- panic "Unable to find a live file system on the network"
- fi
- else
- if [ -n "${ISCSI_PORTAL}" ]
- then
- do_iscsi && livefs_root="${mountpoint}"
- elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
- then
- # Do a local boot from hd
- livefs_root=${ROOT}
- else
- if [ -x /usr/bin/memdiskfind ]
- then
- MEMDISK=$(/usr/bin/memdiskfind)
-
- if [ $? -eq 0 ]
- then
- # We found a memdisk, set up phram
- modprobe phram phram=memdisk,${MEMDISK}
-
- # Load mtdblock, the memdisk will be /dev/mtdblock0
- modprobe mtdblock
- fi
- fi
-
- # Scan local devices for the image
- i=0
- while [ "$i" -lt 60 ]
- do
- livefs_root=$(find_livefs ${i})
-
- if [ -n "${livefs_root}" ]
- then
- break
- fi
-
- sleep 1
- i="$(($i + 1))"
- done
- fi
- fi
-
- if [ -z "${livefs_root}" ]
- then
- panic "Unable to find a medium containing a live file system"
- fi
-
- if [ "${INTEGRITY_CHECK}" ]
- then
- integrity_check "${livefs_root}"
- fi
-
- if [ "${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}" "${live_dest}"
- log_end_msg
- fi
-
- # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
- # because the mountpoint is left behind in /proc/mounts, so let's get
- # rid of it when running from RAM
- if [ -n "$FROMISO" ] && [ "${TORAM}" ]
- then
- losetup -d /dev/loop0
-
- if is_mountpoint /live/fromiso
- then
- umount /live/fromiso
- rmdir --ignore-fail-on-non-empty /live/fromiso \
- >/dev/null 2>&1 || true
- fi
- fi
-
- if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
- then
- setup_unionfs "${livefs_root}" "${rootmnt}"
- else
- mac="$(get_mac)"
- mac="$(echo ${mac} | sed 's/-//g')"
- mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
- fi
-
-
- if [ -n "${ROOT_PID}" ] ; then
- echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
- fi
-
- log_end_msg
-
- # unionfs-fuse needs /dev to be bind-mounted for the duration of
- # live-bottom; udev's init script will take care of things after that
- if [ "${UNIONTYPE}" = unionfs-fuse ]
- then
- mount -n -o bind /dev "${rootmnt}/dev"
- fi
-
- # Move to the new root filesystem so that programs there can get at it.
- if [ ! -d /root/live/image ]
- then
- mkdir -p /root/live/image
- mount --move /live/image /root/live/image
- fi
-
- # aufs2 in kernel versions around 2.6.33 has a regression:
- # directories can't be accessed when read for the first the time,
- # causing a failure for example when accessing /var/lib/fai
- # when booting FAI, this simple workaround solves it
- ls /root/* >/dev/null 2>&1
-
- # Move findiso directory to the new root filesystem so that programs there can get at it.
- if [ -d /live/findiso ] && [ ! -d /root/live/findiso ]
- then
- mkdir -p /root/live/findiso
- mount -n --move /live/findiso /root/live/findiso
- fi
-
- # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
- # because the mountpoint is left behind in /proc/mounts, so let's get
- # rid of it when running from RAM
- if [ -n "$FINDISO" ] && [ "${TORAM}" ]
- then
- losetup -d /dev/loop0
-
- if is_mountpoint /root/live/findiso
- then
- umount /root/live/findiso
- rmdir --ignore-fail-on-non-empty /root/live/findiso \
- >/dev/null 2>&1 || true
- fi
- fi
-
- # copy snapshot configuration if exists
- if [ -f snapshot.conf ]
- then
- log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
- if [ ! -d "${rootmnt}/etc/live/boot.d" ]
- then
- mkdir -p "${rootmnt}/etc/live/boot.d"
- fi
- cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
- log_end_msg
- fi
-
- if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ]
- then
- log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf"
- cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf
- log_end_msg
- fi
-
- maybe_break live-bottom
- log_begin_msg "Running /scripts/live-bottom\n"
-
- run_scripts /scripts/live-bottom
- log_end_msg
-
- if [ "${UNIONFS}" = unionfs-fuse ]
- then
- umount "${rootmnt}/dev"
- fi
-
- exec 1>&6 6>&-
- exec 2>&7 7>&-
- kill ${tailpid}
- [ -w "${rootmnt}/var/log/" ] && mkdir -p /var/log/live && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null
-}
--- /dev/null
+#!/bin/sh
+
+# set -e
+
+export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
+
+echo "/root/lib" >> /etc/ld.so.conf
+echo "/root/usr/lib" >> /etc/ld.so.conf
+
+mountpoint="/live/image"
+alt_mountpoint="/media"
+LIVE_MEDIA_PATH="live"
+
+HOSTNAME="host"
+
+mkdir -p "${mountpoint}"
+tried="/tmp/tried"
+
+# Create /etc/mtab for debug purpose and future syncs
+if [ ! -d /etc ]
+then
+ mkdir /etc/
+fi
+
+if [ ! -f /etc/mtab ]
+then
+ touch /etc/mtab
+fi
+
+. /scripts/live-helpers
+
+if [ ! -f /live.vars ]
+then
+ touch /live.vars
+fi
+
+is_live_path ()
+{
+ DIRECTORY="${1}"
+
+ if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
+ then
+ for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
+ do
+ if [ "$(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="$(cat /conf/uuid.conf)"
+
+ for try_uuid_file in "${path}/.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|*.ext4|*.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 ${1} ?
+ local pattern="${1}"
+
+ if [ "$(echo ${pattern})" != "${pattern}" ]
+ then
+ return 0
+ fi
+
+ return 1
+}
+
+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}/${LIVE_MEDIA_PATH}/*.ext4" ||
+ match_files_in_dir "${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}" "${adddirectory}"
+ else
+ panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
+ fi
+}
+
+is_nice_device ()
+{
+ sysfs_path="${1#/sys}"
+
+ if [ -e /lib/udev/path_id ]
+ then
+ # squeeze
+ PATH_ID="/lib/udev/path_id"
+ else
+ # wheezy/sid (udev >= 174)
+ PATH_ID="/sbin/udevadm test-builtin path_id"
+ fi
+
+ if ${PATH_ID} "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
+ then
+ return 0
+ elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
+ then
+ return 0
+ elif echo ${sysfs_path} | grep -q "^/block/dm-"
+ then
+ return 0
+ elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
+ then
+ return 0
+ fi
+
+ return 1
+}
+
+copy_live_to ()
+{
+ copyfrom="${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}"
+ devname="${2}"
+ skip_uuid_check="${3}"
+
+ # support for fromiso=.../isofrom=....
+ if [ -n "$FROMISO" ]
+ then
+ ISO_DEVICE=$(dirname $FROMISO)
+ if ! [ -b $ISO_DEVICE ]
+ then
+ # to support unusual device names like /dev/cciss/c0d0p1
+ # as well we have to identify the block device name, let's
+ # do that for up to 15 levels
+ i=15
+ while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
+ do
+ ISO_DEVICE=$(dirname ${ISO_DEVICE})
+ [ -b "$ISO_DEVICE" ] && break
+ i=$(($i -1))
+ done
+ fi
+
+ if [ "$ISO_DEVICE" = "/" ]
+ then
+ echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
+ 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
+ ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
+ loopdevname=$(setup_loop "/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
+ devname="${loopdevname}"
+ else
+ echo "Warning: unable to mount $ISO_DEVICE." >>/boot.log
+ fi
+ fi
+ fi
+
+ if [ -z "${devname}" ]
+ then
+ devname=$(sys2dev "${sysdev}")
+ 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
+
+ IFS=","
+ for device in ${devname}
+ do
+ case "$device" in
+ *mapper*)
+ # Adding lvm support
+ if [ -x /scripts/local-top/lvm2 ]
+ then
+ ROOT="$device" resume="" /scripts/local-top/lvm2
+ fi
+ ;;
+
+ /dev/md*)
+ # Adding raid support
+ if [ -x /scripts/local-top/mdadm ]
+ then
+ cp /conf/conf.d/md /conf/conf.d/md.orig
+ echo "MD_DEVS=$device " >> /conf/conf.d/md
+ /scripts/local-top/mdadm
+ mv /conf/conf.d/md.orig /conf/conf.d/md
+ fi
+ ;;
+ esac
+ done
+ unset IFS
+
+ [ -n "$device" ] && devname="$device"
+
+ [ -e "$devname" ] || continue
+
+ if [ -n "${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 ${fstype}
+ then
+ devuid=$(blkid -o value -s UUID "$devname")
+ [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
+ mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
+ [ -n "$devuid" ] && echo "$devuid" >> $tried
+
+ if [ -n "${FINDISO}" ]
+ then
+ 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 "")
+ devname="${loopdevname}"
+ mount -t iso9660 -o ro,noatime "${devname}" ${mountpoint}
+ else
+ umount ${mountpoint}
+ fi
+ fi
+
+ if is_live_path ${mountpoint} && \
+ ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
+ then
+ echo ${mountpoint}
+ return 0
+ else
+ umount ${mountpoint} 2>/dev/null
+ fi
+ fi
+
+ if [ -n "${LIVE_MEDIA_OFFSET}" ]
+ then
+ losetup -d "${loopdevname}"
+ fi
+
+ return 1
+}
+
+find_livefs ()
+{
+ timeout="${1}"
+
+ # don't start autodetection before timeout has expired
+ if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
+ then
+ if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
+ then
+ return 1
+ fi
+ fi
+
+ # first look at the one specified in the command line
+ case "${LIVE_MEDIA}" in
+ removable-usb)
+ for sysblock in $(removable_usb_dev "sys")
+ do
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
+ then
+ return 0
+ fi
+ done
+ done
+ return 1
+ ;;
+
+ removable)
+ for sysblock in $(removable_dev "sys")
+ do
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
+ then
+ return 0
+ fi
+ done
+ done
+ return 1
+ ;;
+
+ *)
+ if [ ! -z "${LIVE_MEDIA}" ]
+ then
+ if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
+ then
+ return 0
+ fi
+ fi
+ ;;
+ esac
+
+ # or do the scan of block devices
+ # prefer removable devices over non-removable devices, so scan them first
+ devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')"
+
+ for sysblock in $devices_to_scan
+ do
+ devname=$(sys2dev "${sysblock}")
+ [ -e "$devname" ] || continue
+ 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 \
+ "${fstype}" = "btrfs" -o \
+ "${fstype}" = "ext2" -o \
+ "${fstype}" = "ext3" -o \
+ "${fstype}" = "ext4" -o \
+ "${fstype}" = "jffs2" ]
+ then
+ # This is an ugly hack situation, the block device has
+ # an image directly on it. It's hopefully
+ # live-boot, so take it and run with it.
+ ln -s "${devname}" "${devname}.${fstype}"
+ echo "${devname}.${fstype}"
+ return 0
+ fi
+ done
+
+ return 1
+}
+
+integrity_check ()
+{
+ media_mountpoint="${1}"
+
+ log_begin_msg "Checking media integrity"
+
+ cd ${media_mountpoint}
+ /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
+ RC="${?}"
+
+ log_end_msg
+
+ if [ "${RC}" -eq 0 ]
+ then
+ log_success_msg "Everything ok, will reboot in 10 seconds."
+ sleep 10
+ cd /
+ umount ${media_mountpoint}
+ sync
+ echo u > /proc/sysrq-trigger
+ echo b > /proc/sysrq-trigger
+ else
+ panic "Not ok, a media defect is likely, switch to VT8 for details."
+ fi
+}
+
+mountroot ()
+{
+ if [ -x /scripts/local-top/cryptroot ]; then
+ /scripts/local-top/cryptroot
+ fi
+
+ exec 6>&1
+ exec 7>&2
+ exec > boot.log
+ exec 2>&1
+ tail -f boot.log >&7 &
+ tailpid="${!}"
+
+ # Ensure 'panic' function is overridden
+ . /scripts/live-functions
+
+ Arguments
+
+ maybe_break live-premount
+ log_begin_msg "Running /scripts/live-premount"
+ run_scripts /scripts/live-premount
+ log_end_msg
+
+ # Needed here too because some things (*cough* udev *cough*)
+ # changes the timeout
+
+ if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
+ then
+ if do_netmount
+ then
+ livefs_root="${mountpoint}"
+ else
+ panic "Unable to find a live file system on the network"
+ fi
+ else
+ if [ -n "${ISCSI_PORTAL}" ]
+ then
+ do_iscsi && livefs_root="${mountpoint}"
+ elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+ then
+ # Do a local boot from hd
+ livefs_root=${ROOT}
+ else
+ if [ -x /usr/bin/memdiskfind ]
+ then
+ MEMDISK=$(/usr/bin/memdiskfind)
+
+ if [ $? -eq 0 ]
+ then
+ # We found a memdisk, set up phram
+ modprobe phram phram=memdisk,${MEMDISK}
+
+ # Load mtdblock, the memdisk will be /dev/mtdblock0
+ modprobe mtdblock
+ fi
+ fi
+
+ # Scan local devices for the image
+ i=0
+ while [ "$i" -lt 60 ]
+ do
+ livefs_root=$(find_livefs ${i})
+
+ if [ -n "${livefs_root}" ]
+ then
+ break
+ fi
+
+ sleep 1
+ i="$(($i + 1))"
+ done
+ fi
+ fi
+
+ if [ -z "${livefs_root}" ]
+ then
+ panic "Unable to find a medium containing a live file system"
+ fi
+
+ if [ "${INTEGRITY_CHECK}" ]
+ then
+ integrity_check "${livefs_root}"
+ fi
+
+ if [ "${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}" "${live_dest}"
+ log_end_msg
+ fi
+
+ # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
+ # because the mountpoint is left behind in /proc/mounts, so let's get
+ # rid of it when running from RAM
+ if [ -n "$FROMISO" ] && [ "${TORAM}" ]
+ then
+ losetup -d /dev/loop0
+
+ if is_mountpoint /live/fromiso
+ then
+ umount /live/fromiso
+ rmdir --ignore-fail-on-non-empty /live/fromiso \
+ >/dev/null 2>&1 || true
+ fi
+ fi
+
+ if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
+ then
+ setup_unionfs "${livefs_root}" "${rootmnt}"
+ else
+ mac="$(get_mac)"
+ mac="$(echo ${mac} | sed 's/-//g')"
+ mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
+ fi
+
+
+ if [ -n "${ROOT_PID}" ] ; then
+ echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
+ fi
+
+ log_end_msg
+
+ # unionfs-fuse needs /dev to be bind-mounted for the duration of
+ # live-bottom; udev's init script will take care of things after that
+ if [ "${UNIONTYPE}" = unionfs-fuse ]
+ then
+ mount -n -o bind /dev "${rootmnt}/dev"
+ fi
+
+ # Move to the new root filesystem so that programs there can get at it.
+ if [ ! -d /root/live/image ]
+ then
+ mkdir -p /root/live/image
+ mount --move /live/image /root/live/image
+ fi
+
+ # aufs2 in kernel versions around 2.6.33 has a regression:
+ # directories can't be accessed when read for the first the time,
+ # causing a failure for example when accessing /var/lib/fai
+ # when booting FAI, this simple workaround solves it
+ ls /root/* >/dev/null 2>&1
+
+ # Move findiso directory to the new root filesystem so that programs there can get at it.
+ if [ -d /live/findiso ] && [ ! -d /root/live/findiso ]
+ then
+ mkdir -p /root/live/findiso
+ mount -n --move /live/findiso /root/live/findiso
+ fi
+
+ # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
+ # because the mountpoint is left behind in /proc/mounts, so let's get
+ # rid of it when running from RAM
+ if [ -n "$FINDISO" ] && [ "${TORAM}" ]
+ then
+ losetup -d /dev/loop0
+
+ if is_mountpoint /root/live/findiso
+ then
+ umount /root/live/findiso
+ rmdir --ignore-fail-on-non-empty /root/live/findiso \
+ >/dev/null 2>&1 || true
+ fi
+ fi
+
+ # copy snapshot configuration if exists
+ if [ -f snapshot.conf ]
+ then
+ log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
+ if [ ! -d "${rootmnt}/etc/live/boot.d" ]
+ then
+ mkdir -p "${rootmnt}/etc/live/boot.d"
+ fi
+ cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
+ log_end_msg
+ fi
+
+ if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ]
+ then
+ log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf"
+ cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf
+ log_end_msg
+ fi
+
+ maybe_break live-bottom
+ log_begin_msg "Running /scripts/live-bottom\n"
+
+ run_scripts /scripts/live-bottom
+ log_end_msg
+
+ if [ "${UNIONFS}" = unionfs-fuse ]
+ then
+ umount "${rootmnt}/dev"
+ fi
+
+ exec 1>&6 6>&-
+ exec 2>&7 7>&-
+ kill ${tailpid}
+ [ -w "${rootmnt}/var/log/" ] && mkdir -p /var/log/live && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null
+}
projects / live-boot-grml.git / commitdiff