5 export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
7 echo "/root/lib" >> /etc/ld.so.conf
8 echo "/root/usr/lib" >> /etc/ld.so.conf
10 mountpoint="/live/image"
11 alt_mountpoint="/media"
12 LIVE_MEDIA_PATH="live"
14 root_persistence="live-rw"
15 home_persistence="home-rw"
16 root_snapshot_label="live-sn"
17 home_snapshot_label="home-sn"
20 USERFULLNAME="Live user"
23 mkdir -p "${mountpoint}"
26 # Create /etc/mtab for debug purpose and future syncs
37 . /scripts/live-helpers
39 if [ ! -f /live.vars ]
49 for ARGUMENT in $(cat /proc/cmdline)
58 export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
62 ACCESS="${ARGUMENT#access=}"
67 DEFCONSOLE="${ARGUMENT#*=}"
83 # Force dhcp even while netbooting
84 # Use for debugging in case somebody works on fixing dhclient
94 DEVICE="${ARGUMENT#ethdevice=}"
96 export DEVICE ETHDEVICE
100 ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
101 export ETHDEV_TIMEOUT
105 FETCH="${ARGUMENT#fetch=}"
110 FORCEPERSISTENTFSCK="Yes"
111 export FORCEPERSISTENTFSCK
115 FTPFS="${ARGUMENT#ftpfs=}"
120 HTTPFS="${ARGUMENT#httpfs=}"
125 ISCSI="${ARGUMENT#iscsi=}"
126 #ip:port - separated by ;
127 ISCSI_PORTAL="${ISCSI%;*}"
128 if echo "${ISCSI_PORTAL}" | grep -q , ; then
129 ISCSI_SERVER="${ISCSI_PORTAL%,*}"
130 ISCSI_PORT="${ISCSI_PORTAL#*,}"
133 ISCSI_TARGET="${ISCSI#*;}"
134 export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
138 FROMISO="${ARGUMENT#*=}"
148 INTEGRITY_CHECK="Yes"
149 export INTEGRITY_CHECK
153 STATICIP="${ARGUMENT#ip=}"
155 if [ -z "${STATICIP}" ]
168 live-media=*|bootfrom=*)
169 LIVE_MEDIA="${ARGUMENT#*=}"
173 live-media-encryption=*|encryption=*)
174 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
175 export LIVE_MEDIA_ENCRYPTION
179 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
180 export LIVE_MEDIA_OFFSET
184 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
185 export LIVE_MEDIA_PATH
188 live-media-timeout=*)
189 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
190 export LIVE_MEDIA_TIMEOUT
194 MODULE="${ARGUMENT#module=}"
199 NETBOOT="${ARGUMENT#netboot=}"
204 NFSOPTS="${ARGUMENT#nfsopts=}"
209 NFS_COW="${ARGUMENT#nfscow=}"
214 NOACCESSIBILITY="Yes"
215 export NOACCESSIBILITY
244 PERSISTENT="${ARGUMENT#persistent=}"
245 if [ -z "${PERSISTENT}" ]
253 PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
254 export PERSISTENT_PATH
257 persistent-subtext=*)
258 root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
259 home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
260 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
261 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
270 QUICKUSBMODULES="Yes"
271 export QUICKUSBMODULES
274 preseed/file=*|file=*)
275 LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
285 question="${ARGUMENT%%=*}"
286 value="${ARGUMENT#*=}"
287 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
302 TODISK="${ARGUMENT#todisk=}"
313 MODULETORAM="${ARGUMENT#toram=}"
314 export TORAM MODULETORAM
328 SKIP_UNION_MOUNTS="Yes"
329 export SKIP_UNION_MOUNTS
333 ROOT="${ARGUMENT#root=}"
338 UNIONTYPE="${ARGUMENT#union=}"
344 # sort of compatibility with netboot.h from linux docs
345 if [ -z "${NETBOOT}" ]
347 if [ "${ROOT}" = "/dev/nfs" ]
351 elif [ "${ROOT}" = "/dev/cifs" ]
358 if [ -z "${MODULE}" ]
364 if [ -z "${UNIONTYPE}" ]
375 if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
377 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
379 if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
391 if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
397 uuid="$(cat /conf/uuid.conf)"
399 for try_uuid_file in "${path}/.disk/live-uuid"*
401 [ -e "${try_uuid_file}" ] || continue
403 try_uuid="$(cat "${try_uuid_file}")"
405 if [ "${uuid}" = "${try_uuid}" ]
414 get_backing_device ()
417 *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
418 echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
426 panic "Unrecognized live filesystem: ${1}"
431 match_files_in_dir ()
433 # Does any files match pattern ${1} ?
436 if [ "$(echo ${pattern})" != "${pattern}" ]
444 mount_images_in_directory ()
451 if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
452 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
453 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
454 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
455 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
456 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
458 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
459 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
461 panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
467 sysfs_path="${1#/sys}"
469 if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
472 elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
475 elif echo ${sysfs_path} | grep -q "^/block/dm-"
487 copyto="${copyfrom}_swap"
489 if [ -z "${MODULETORAM}" ]
491 size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
493 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
495 if [ -f "${MODULETORAMFILE}" ]
497 size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
499 log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
504 if [ "${copytodev}" = "ram" ]
507 freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
508 mount_options="-o size=${size}k"
513 # it should be a writable block device
514 if [ -b "${copytodev}" ]
518 fstype=$(get_fstype "${dev}")
519 freespace=$(fs_size "${dev}")
521 log_warning_msg "${copytodev} is not a block device."
526 if [ "${freespace}" -lt "${size}" ]
528 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
532 # begin copying (or uncompressing)
534 log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
535 mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
537 if [ "${extension}" = "tgz" ]
540 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
541 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
542 mount -r -o move "${copyto}" "${rootmnt}"
545 if [ -n "${MODULETORAMFILE}" ]
549 echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
550 rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
552 cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
557 echo " * Copying whole medium to RAM" 1>/dev/console
558 rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files
560 mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
561 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH}
562 if [ -e ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ]
564 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ${copyto}
570 mount -r -o move ${copyto} ${copyfrom}
579 modprobe -q af_packet # For DHCP
584 [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
585 echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
587 if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
588 [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
592 # support for Syslinux IPAPPEND parameter
593 # it sets the BOOTIF variable on the kernel parameter
595 if [ -n "${BOOTIF}" ]
597 # pxelinux sets BOOTIF to a value based on the mac address of the
598 # network card used to PXE boot, so use this value for DEVICE rather
599 # than a hard-coded device name from initramfs.conf. this facilitates
600 # network booting when machines may have multiple network cards.
601 # pxelinux sets BOOTIF to 01-$mac_address
603 # strip off the leading "01-", which isn't part of the mac
605 temp_mac=${BOOTIF#*-}
607 # convert to typical mac address format by replacing "-" with ":"
612 if [ -z "$bootif_mac" ]
616 bootif_mac="$bootif_mac:$x"
621 # look for devices with matching mac address, and set DEVICE to
622 # appropriate value if match is found.
624 for device in /sys/class/net/*
626 if [ -f "$device/address" ]
628 current_mac=$(cat "$device/address")
630 if [ "$bootif_mac" = "$current_mac" ]
639 # if ethdevice was not specified on the kernel command line
640 # make sure we try to get a working network configuration
641 # for *every* present network device (except for loopback of course)
642 if [ -z "$ETHDEVICE" ] ; then
643 echo "If you want to boot from a specific device use bootoption ethdevice=..."
644 for device in /sys/class/net/*; do
646 if [ "$dev" != "lo" ] ; then
647 ETHDEVICE="$ETHDEVICE $dev"
652 # split args of ethdevice=eth0,eth1 into "eth0 eth1"
653 for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
654 devlist="$devlist $device"
657 # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
658 # an endless loop; iff execution fails give it two further tries, that's
659 # why we use '$devlist $devlist $devlist' for the other for loop
660 for dev in $devlist $devlist $devlist ; do
661 echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
662 ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
664 sleep "$ETHDEV_TIMEOUT" ; sleep 1
665 if [ -r /proc/"$jobid"/status ] ; then
666 echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
670 # if configuration of device worked we should have an assigned
671 # IP address, iff so let's use the according as $DEVICE for later usage
672 # simple and primitive approach which seems to work fine
673 if ifconfig $dev | grep -q 'inet.*addr:' ; then
680 for interface in ${DEVICE}; do
681 ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
682 [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
683 if [ "$IPV4ADDR" != "0.0.0.0" ]
690 for interface in ${DEVICE}; do
691 # source relevant ipconfig output
692 OLDHOSTNAME=${HOSTNAME}
693 [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
694 [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
697 if [ -n "${interface}" ]
699 HWADDR="$(cat /sys/class/net/${interface}/address)"
702 if [ ! -e "/etc/resolv.conf" ]
704 echo "Creating /etc/resolv.conf"
706 if [ -n "${DNSDOMAIN}" ]
708 echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
709 echo "search ${DNSDOMAIN}" > /etc/resolv.conf
712 for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
714 echo "nameserver $i" >> /etc/resolv.conf
718 # Check if we have a network device at all
719 if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \
720 ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
721 ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
722 ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
723 ! ls /sys/class/net/ra0 > /dev/null 2>&1
725 panic "No supported network device found, maybe a non-mainline driver is required."
734 if [ "${NFSROOT}" = "auto" ]
736 NFSROOT=${ROOTSERVER}:${ROOTPATH}
741 if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] )
747 if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
749 NFSROOT=${ROOTSERVER}:${NFSROOT}
752 log_begin_msg "Trying netboot from ${NFSROOT}"
754 if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
774 [ "${DEBUG}" == "Yes" ] && debugopt="-d 8"
775 #FIXME this name is supposed to be unique - some date + ifconfig hash?
776 ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
777 export ISCSI_INITIATORNAME
778 if [ -n "${ISCSI_SERVER}" ] ; then
779 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
781 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
785 panic "Failed to log into iscsi target"
787 local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
788 /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
793 while [ -z "${devices}" -a $i -lt 60 ]
796 devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
797 /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
803 if check_dev "null" "/dev/$dev"
810 panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
812 panic "Failed to locate iSCSI host in /sys"
820 for webfile in HTTPFS FTPFS FETCH
822 local url="$(eval echo \"\$\{${webfile}\}\")"
823 local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
827 case "${extension}" in
828 iso|squashfs|tgz|tar)
829 if [ "${extension}" = "iso" ]
831 mkdir -p "${alt_mountpoint}"
832 dest="${alt_mountpoint}"
834 local dest="${mountpoint}/${LIVE_MEDIA_PATH}"
835 mount -t ramfs ram "${mountpoint}"
838 if [ "${webfile}" = "FETCH" ]
842 ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
843 rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
844 lfile="$(basename $url)"
845 log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
846 tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
850 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
851 wget "${url}" -O "${dest}/$(basename ${url})"
855 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
856 if [ "${webfile}" = "FTPFS" ]
858 FUSE_MOUNT="curlftpfs"
859 url="$(dirname ${url})"
864 $FUSE_MOUNT "${url}" "${dest}"
865 ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
867 [ ${?} -eq 0 ] && rc=0
868 [ "${extension}" = "tgz" ] && live_dest="ram"
869 if [ "${extension}" = "iso" ]
871 isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
872 mount -t iso9660 "${isoloop}" "${mountpoint}"
879 log_begin_msg "Unrecognized archive extension for ${url}"
887 if [ -d "${alt_mountpoint}" ]
889 umount "${alt_mountpoint}"
890 rmdir "${alt_mountpoint}"
892 umount "${mountpoint}"
893 elif [ "${webfile}" != "FETCH" ] ; then
907 if [ -z "${NFSOPTS}" ]
912 log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
914 # FIXME: This while loop is an ugly HACK round an nfs bug
916 while [ "$i" -lt 60 ]
918 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
930 if [ -x "/sbin/mount.cifs" ]
932 if [ -z "${NFSOPTS}" ]
934 CIFSOPTS="-ouser=root,password="
936 CIFSOPTS="${NFSOPTS}"
939 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
942 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
956 size=$(fs_size "${fromdev}" "" "used")
958 if [ -b "${fromdev}" ]
960 log_success_msg "Copying snapshot ${fromdev} to ${todir}..."
963 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
965 todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
966 freespace=$(df -k | awk '/'${todev}'/{print $4}')
968 freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
971 tomount="/mnt/tmpsnap"
973 if [ ! -d "${tomount}" ]
975 mkdir -p "${tomount}"
978 fstype=$(get_fstype "${fromdev}")
980 if [ -n "${fstype}" ]
983 mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
984 cp -a "${tomount}"/* ${todir}
987 log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
992 if echo ${fromdev} | grep -qs loop
994 losetup -d "${fromdev}"
999 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
1006 # Look for ${snap_label}.* in block devices
1008 black_listed_devices="${2}"
1010 if [ "${PERSISTENT}" != "nofiles" ]
1012 # search for image files
1013 snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2" "${black_listed_devices}")
1016 if [ -z "${snapdata}" ]
1018 snapdata=$(find_cow_device "${snap_label}" "${black_listed_devices}")
1025 # copy the contents of previously found snapshot to ${snap_mount}
1026 # and remember the device and filename for resync on exit in live-boot.init
1033 if [ -z "${snap_relpath}" ]
1035 # root snapshot, default usage
1038 # relative snapshot (actually used just for "/home" snapshots)
1039 snap_mount="${2}${snap_relpath}"
1042 if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
1044 log_success_msg "found snapshot: ${snapdata}"
1045 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
1046 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
1047 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
1049 if ! try_mount "${snapdev}" "${snapback}" "ro"
1056 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
1058 # squashfs, jffs2 or ext2/ext3/ext4 snapshot
1059 dev=$(get_backing_device "${snapback}/${snapfile}")
1061 do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1066 # Unfortunately klibc's cpio is incompatible with the
1067 # rest of the world; everything else requires -u -d,
1068 # while klibc doesn't implement them. Try to detect
1069 # whether it's in use.
1070 cpiopath="$(which cpio)" || true
1071 if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
1075 cpioargs='--unconditional --make-directories'
1078 if [ -s "${snapback}/${snapfile}" ]
1081 cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null
1085 log_warning_msg "${snapback}/${snapfile} is empty, adding it for sync on reboot."
1089 if [ "${RES}" != "0" ]
1091 log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
1095 umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
1097 if [ "${RES}" != "0" ]
1099 log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
1102 elif [ -b "${snapdata}" ]
1104 # Try to find if it could be a snapshot partition
1106 log_success_msg "found snapshot ${snap_type} device on ${dev}"
1107 if echo "${dev}" | grep -qs loop
1109 # strange things happens, user confused?
1110 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
1111 snapfile=$(basename ${snaploop})
1112 snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
1117 if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1119 log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)"
1122 if [ -n "${snapfile}" ]
1124 # it was a loop device, user confused
1129 log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)"
1133 echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
1139 image_directory="${1}"
1141 addimage_directory="${3}"
1143 case ${UNIONTYPE} in
1145 modprobe -q -b ${UNIONTYPE}
1147 if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ]
1149 echo "${UNIONTYPE} not available, falling back to unionfs-fuse."
1150 echo "This might be really slow."
1152 UNIONTYPE="unionfs-fuse"
1157 if [ "${UNIONTYPE}" = unionfs-fuse ]
1162 # run-init can't deal with images in a subdir, but we're going to
1163 # move all of these away before it runs anyway. No, we're not,
1164 # put them in / since move-mounting them into / breaks mono and
1169 # Let's just mount the read-only file systems first
1173 if [ "${UNIONTYPE}" = "aufs" ]
1176 noxino_opt="noxino,"
1177 elif [ "${UNIONTYPE}" = "unionfs-fuse" ]
1184 if [ -z "${PLAIN_ROOT}" ]
1186 # Read image names from ${MODULE}.module if it exists
1187 if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
1189 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
1191 image_string="${image_string} ${image_directory}/${IMAGE}"
1193 elif [ -e "${image_directory}/${MODULE}.module" ]
1195 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
1197 image_string="${image_string} ${image_directory}/${IMAGE}"
1200 # ${MODULE}.module does not exist, create a list of images
1201 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1203 for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1205 if [ -e "${IMAGE}" ]
1207 image_string="${image_string} ${IMAGE}"
1212 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1214 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1216 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1218 if [ -e "${IMAGE}" ]
1220 image_string="${image_string} ${IMAGE}"
1227 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1230 [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1234 for image in ${image_string}
1236 imagename=$(basename "${image}")
1238 export image devname
1239 maybe_break live-realpremount
1240 log_begin_msg "Running /scripts/live-realpremount"
1241 run_scripts /scripts/live-realpremount
1244 if [ -d "${image}" ]
1246 # it is a plain directory: do nothing
1247 rofsstring="${image}=${roopt}:${rofsstring}"
1248 rofslist="${image} ${rofslist}"
1249 elif [ -f "${image}" ]
1251 if losetup --help 2>&1 | grep -q -- "-r\b"
1253 backdev=$(get_backing_device "${image}" "-r")
1255 backdev=$(get_backing_device "${image}")
1257 fstype=$(get_fstype "${backdev}")
1259 if [ "${fstype}" = "unknown" ]
1261 panic "Unknown file system type on ${backdev} (${image})"
1264 if [ -z "${fstype}" ]
1266 fstype="${imagename##*.}"
1267 log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1270 if [ "${UNIONTYPE}" != "unionmount" ]
1272 mpoint="${croot}/${imagename}"
1273 rofsstring="${mpoint}=${roopt}:${rofsstring}" && rofslist="${mpoint} ${rofslist}"
1277 mkdir -p "${mpoint}"
1278 log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\""
1279 mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}"
1284 # we have a plain root system
1285 mkdir -p "${croot}/filesystem"
1286 log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
1287 mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || panic "Can not mount ${image_directory} on ${croot}/filesystem" && rofsstring="${croot}/filesystem=${roopt}:${rofsstring}" && rofslist="${croot}/filesystem ${rofslist}"
1289 mount -o bind ${croot}/filesystem $mountpoint
1293 rofsstring=${rofsstring%:}
1297 # Looking for "${root_persistence}" device or file
1298 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1300 if [ -z "${QUICKUSBMODULES}" ]
1303 num_block=$(ls -l /sys/block | wc -l)
1304 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1306 modprobe -q -b ${module}
1312 # For some reason, udevsettle does not block in this scenario,
1313 # so we sleep for a little while.
1315 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1316 for timeout in 5 4 3 2 1
1320 if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1327 # search for label and files (this could be hugely optimized)
1328 cowprobe=$(find_cow_device "${root_persistence}")
1329 if [ -b "${cowprobe}" ]
1331 # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
1332 # makes sense to have both persistence for /cow and /home mounted, maybe also with
1333 # snapshots to be sure to really store some e.g key config files,
1334 # but not on the same media
1335 blacklistdev="${cowprobe}"
1336 PERSISTENCE_IS_ON="1"
1337 export PERSISTENCE_IS_ON
1339 # homecow just mount something on /home, this should be generalized some way
1340 homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
1341 if [ -b "${homecow}" ]
1343 PERSISTENCE_IS_ON="1"
1344 export PERSISTENCE_IS_ON
1346 root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
1347 # This second type should be removed when snapshot will get smarter,
1348 # hence when "/etc/live-snapshot*list" will be supported also by
1349 # ext2|ext3|ext4|jffs2 snapshot types.
1350 home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
1352 if [ -b "${cowprobe}" ]
1354 cowdevice=${cowprobe}
1355 cow_fstype=$(get_fstype "${cowprobe}")
1356 cow_mountopt="rw,noatime"
1358 if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
1360 fsck -y ${cowdevice}
1363 log_warning_msg "Unable to find the persistent medium"
1366 cow_mountopt="rw,noatime,mode=755"
1368 elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1370 # check if there are any nfs options
1371 if echo ${NFS_COW}|grep -q ','
1373 nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1374 nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1376 nfs_cow_opts="-o nolock"
1382 cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1385 panic "unable to determine mac address"
1390 cow_mountopt="rw,noatime,mode=755"
1393 if [ "${UNIONTYPE}" != "unionmount" ]
1396 if [ "${cow_fstype}" = "nfs" ]
1399 "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1400 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1401 panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1403 mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1404 panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1408 rofscount=$(echo ${rofslist} |wc -w)
1410 if [ -n "${EXPOSED_ROOT}" ]
1412 if [ ${rofscount} -ne 1 ]
1414 panic "only one RO file system supported with exposedroot: ${rofslist}"
1416 exposedrootfs=${rofslist%% }
1418 mount --bind ${exposedrootfs} ${rootmnt} || \
1419 panic "bind mount of ${exposedrootfs} failed"
1421 if [ -z "${SKIP_UNION_MOUNTS}" ]
1423 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
1428 for dir in ${cow_dirs}; do
1431 case "${UNIONTYPE}" in
1433 (ulimit -n 16384; unionfs-fuse -o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid /cow=RW:${exposedrootfs}${dir} "${rootmnt}${dir}" || panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option cow,noinitgroups,default_permissions,allow_other,use_ino,suid=/cow=RW:${exposedrootfs}${dir}")
1434 mkdir -p /dev/.initramfs/varrun
1435 pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true
1439 mount -t ${UNIONTYPE} -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro ${UNIONTYPE} "${rootmnt}${dir}" || panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
1444 case "${UNIONTYPE}" in
1446 (ulimit -n 16384; unionfs-fuse -o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid /cow=RW:${rofsstring} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option cow,noinitgroups,default_permissions,allow_other,use_ino,suid=/cow:RW:${rofsstring}")
1447 mkdir -p /dev/.initramfs/varrun
1448 pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true
1452 mount_full -t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice} "${rootmnt}" || panic "${UNIONTYPE} ${cowdevice} on ${rootmnt} failed with option noatime,union,${cow_mountopt}"
1456 mount -t ${UNIONTYPE} -o noatime,${noxino_opt}dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option noatime,${noxino_opt}dirs=/cow=rw:${rofsstring}"
1461 # Correct the permissions of /:
1462 chmod 0755 "${rootmnt}"
1464 # tmpfs file systems
1466 mkdir -p "${rootmnt}/live"
1467 mount -t tmpfs tmpfs ${rootmnt}/live
1469 # Adding other custom mounts
1470 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1472 # directly mount /home
1473 # FIXME: add a custom mounts configurable system
1475 if [ -b "${homecow}" ]
1477 mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1478 export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1480 log_warning_msg "Unable to find the persistent home medium"
1483 # Look for other snapshots to copy in
1484 try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
1485 # This second type should be removed when snapshot grow smarter
1486 try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
1489 if [ -n "${SHOWMOUNTS}" ]
1491 for d in ${rofslist}
1493 mkdir -p "${rootmnt}/live/${d##*/}"
1497 # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1501 case "${UNIONTYPE}" in
1503 mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1507 mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1515 # shows cow fs on /cow for use by live-snapshot
1516 mkdir -p "${rootmnt}/live/cow"
1517 mount -o move /cow "${rootmnt}/live/cow" >/dev/null 2>&1 || mount -o bind /cow "${rootmnt}/live/cow" || log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
1524 skip_uuid_check="${3}"
1526 # support for fromiso=.../isofrom=....
1527 if [ -n "$FROMISO" ]
1529 ISO_DEVICE=$(dirname $FROMISO)
1530 if ! [ -b $ISO_DEVICE ]
1532 # to support unusual device names like /dev/cciss/c0d0p1
1533 # as well we have to identify the block device name, let's
1534 # do that for up to 15 levels
1536 while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
1538 ISO_DEVICE=$(dirname ${ISO_DEVICE})
1539 [ -b "$ISO_DEVICE" ] && break
1544 if [ "$ISO_DEVICE" = "/" ]
1546 echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live.log
1549 mount "$ISO_DEVICE" /isofrom
1550 ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
1551 loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
1552 devname="${loopdevname}"
1556 if [ -z "${devname}" ]
1558 devname=$(sys2dev "${sysdev}")
1561 if [ -d "${devname}" ]
1563 mount -o bind "${devname}" $mountpoint || continue
1565 if is_live_path $mountpoint
1573 [ -e "$devname" ] || continue
1575 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1577 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1578 devname="${loopdevname}"
1581 fstype=$(get_fstype "${devname}")
1583 if is_supported_fs ${fstype}
1585 devuid=$(blkid -o value -s UUID "$devname")
1586 [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
1587 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1588 [ -n "$devuid" ] && echo "$devuid" >> $tried
1590 if is_live_path ${mountpoint} && \
1591 ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1596 umount ${mountpoint}
1600 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1602 losetup -d "${loopdevname}"
1612 # don't start autodetection before timeout has expired
1613 if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1615 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1621 # first look at the one specified in the command line
1622 case "${LIVE_MEDIA}" in
1624 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1626 if [ "$(cat ${sysblock}/removable)" = "1" ]
1628 if readlink ${sysblock} | grep -q usb ||
1629 readlink ${sysblock}/device | grep -q usb # linux < 2.6.29
1631 for dev in $(subdevices "${sysblock}")
1633 if check_dev "${dev}"
1645 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1647 if [ "$(cat ${sysblock}/removable)" = "1" ]
1649 for dev in $(subdevices "${sysblock}")
1651 if check_dev "${dev}"
1662 if [ ! -z "${LIVE_MEDIA}" ]
1664 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1672 # or do the scan of block devices
1673 # prefer removable devices over non-removable devices, so scan them first
1674 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | egrep -v "/(loop|ram|dm-|fd)")
1676 if [ "$(cat ${sysblock}/removable)" = "1" ]
1678 removable_devices_to_scan="$removable_devices_to_scan $sysblock"
1680 nonremovable_devices_to_scan="$nonremovable_devices_to_scan $sysblock"
1683 devices_to_scan="$removable_devices_to_scan $nonremovable_devices_to_scan"
1685 for sysblock in $devices_to_scan
1687 devname=$(sys2dev "${sysblock}")
1688 [ -e "$devname" ] || continue
1689 fstype=$(get_fstype "${devname}")
1691 if /lib/udev/cdrom_id ${devname} > /dev/null
1693 if check_dev "null" "${devname}"
1697 elif is_nice_device "${sysblock}"
1699 for dev in $(subdevices "${sysblock}")
1701 if check_dev "${dev}"
1706 elif [ "${fstype}" = "squashfs" -o \
1707 "${fstype}" = "btrfs" -o \
1708 "${fstype}" = "ext2" -o \
1709 "${fstype}" = "ext3" -o \
1710 "${fstype}" = "ext4" -o \
1711 "${fstype}" = "jffs2" ]
1713 # This is an ugly hack situation, the block device has
1714 # an image directly on it. It's hopefully
1715 # live-boot, so take it and run with it.
1716 ln -s "${devname}" "${devname}.${fstype}"
1717 echo "${devname}.${fstype}"
1727 media_mountpoint="${1}"
1729 log_begin_msg "Checking media integrity"
1731 cd ${media_mountpoint}
1732 /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
1737 if [ "${RC}" -eq 0 ]
1739 log_success_msg "Everything ok, will reboot in 10 seconds."
1742 umount ${media_mountpoint}
1744 echo u > /proc/sysrq-trigger
1745 echo b > /proc/sysrq-trigger
1747 panic "Not ok, a media defect is likely, switch to VT8 for details."
1753 if [ -x /scripts/local-top/cryptroot ]; then
1754 /scripts/local-top/cryptroot
1761 tail -f live.log >&7 &
1764 # Ensure 'panic' function is overridden
1765 . /scripts/live-functions
1769 maybe_break live-premount
1770 log_begin_msg "Running /scripts/live-premount"
1771 run_scripts /scripts/live-premount
1774 # Needed here too because some things (*cough* udev *cough*)
1775 # changes the timeout
1777 if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1781 livefs_root="${mountpoint}"
1783 panic "Unable to find a live file system on the network"
1786 if [ -n "${ISCSI_PORTAL}" ]
1788 do_iscsi && livefs_root="${mountpoint}"
1789 elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1791 # Do a local boot from hd
1794 if [ -x /usr/bin/memdiskfind ]
1796 MEMDISK=$(/usr/bin/memdiskfind)
1800 # We found a memdisk, set up phram
1801 modprobe phram phram=memdisk,${MEMDISK}
1803 # Load mtdblock, the memdisk will be /dev/mtdblock0
1808 # Scan local devices for the image
1810 while [ "$i" -lt 60 ]
1812 livefs_root=$(find_livefs ${i})
1814 if [ -n "${livefs_root}" ]
1825 if [ -z "${livefs_root}" ]
1827 panic "Unable to find a medium containing a live file system"
1830 if [ "${INTEGRITY_CHECK}" ]
1832 integrity_check "${livefs_root}"
1838 elif [ "${TODISK}" ]
1840 live_dest="${TODISK}"
1843 if [ "${live_dest}" ]
1845 log_begin_msg "Copying live media to ${live_dest}"
1846 copy_live_to "${livefs_root}" "${live_dest}"
1850 # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
1851 # because the mountpoint is left behind in /proc/mounts, so let's get
1852 # rid of it when running from RAM
1853 if [ -n "$FROMISO" ] && [ "${TORAM}" ]
1855 losetup -d /dev/loop0
1856 grep -q /isofrom /proc/mounts && umount /isofrom
1859 if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
1861 setup_unionfs "${livefs_root}" "${rootmnt}"
1864 mac="$(echo ${mac} | sed 's/-//g')"
1865 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1869 if [ -n "${ROOT_PID}" ] ; then
1870 echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
1875 # unionfs-fuse needs /dev to be bind-mounted for the duration of
1876 # live-bottom; udev's init script will take care of things after that
1877 if [ "${UNIONTYPE}" = unionfs-fuse ]
1879 mount -n -o bind /dev "${rootmnt}/dev"
1882 # Move to the new root filesystem so that programs there can get at it.
1883 if [ ! -d /root/live/image ]
1885 mkdir -p /root/live/image
1886 mount --move /live/image /root/live/image
1889 # aufs2 in kernel versions around 2.6.33 has a regression:
1890 # directories can't be accessed when read for the first the time,
1891 # causing a failure for example when accessing /var/lib/fai
1892 # when booting FAI, this simple workaround solves it
1893 ls /root/* >/dev/null 2>&1
1895 # copy snapshot configuration if exists
1896 if [ -f snapshot.conf ]
1898 log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
1899 if [ ! -d "${rootmnt}/etc/live/boot.d" ]
1901 mkdir -p "${rootmnt}/etc/live/boot.d"
1903 cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
1907 maybe_break live-bottom
1908 log_begin_msg "Running /scripts/live-bottom\n"
1910 run_scripts /scripts/live-bottom
1913 if [ "${UNIONFS}" = unionfs-fuse ]
1915 umount "${rootmnt}/dev"
1921 [ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null