5 if [ -e /scripts/functions ]
7 # initramfs-tools specific (FIXME)
11 for _SCRIPT in /lib/live/boot/*
13 if [ -e "${_SCRIPT}" ]
19 export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
21 echo "/root/lib" >> /etc/ld.so.conf
22 echo "/root/usr/lib" >> /etc/ld.so.conf
24 mountpoint="/live/image"
25 alt_mountpoint="/media"
26 LIVE_MEDIA_PATH="live"
30 mkdir -p "${mountpoint}"
33 # Create /etc/mtab for debug purpose and future syncs
44 if [ ! -x "/bin/fstype" ]
46 # klibc not in path -> not in initramfs
47 export PATH="${PATH}:/usr/lib/klibc/bin"
50 # handle upgrade path from old udev (using udevinfo) to
51 # recent versions of udev (using udevadm info)
52 if [ -x /sbin/udevadm ]
54 udevinfo='/sbin/udevadm info'
59 old_root_overlay_label="live-rw"
60 old_home_overlay_label="home-rw"
61 custom_overlay_label="custom-ov"
62 root_snapshot_label="live-sn"
63 old_root_snapshot_label="live-sn"
64 home_snapshot_label="home-sn"
65 persistence_list="live-persistence.conf"
67 if [ ! -f /live.vars ]
76 if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
78 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
80 if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
92 if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
98 uuid="$(cat /conf/uuid.conf)"
100 for try_uuid_file in "${path}/.disk/live-uuid"*
102 [ -e "${try_uuid_file}" ] || continue
104 try_uuid="$(cat "${try_uuid_file}")"
106 if [ "${uuid}" = "${try_uuid}" ]
115 get_backing_device ()
118 *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
119 echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
127 panic "Unrecognized live filesystem: ${1}"
132 match_files_in_dir ()
134 # Does any files match pattern ${1} ?
137 if [ "$(echo ${pattern})" != "${pattern}" ]
145 mount_images_in_directory ()
152 if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
153 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
154 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
155 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
156 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
157 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
159 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
160 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
162 panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
168 sysfs_path="${1#/sys}"
170 if [ -e /lib/udev/path_id ]
173 PATH_ID="/lib/udev/path_id"
175 # wheezy/sid (udev >= 174)
176 PATH_ID="/sbin/udevadm test-builtin path_id"
179 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)"
182 elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
185 elif echo ${sysfs_path} | grep -q "^/block/dm-"
188 elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
200 skip_uuid_check="${3}"
202 # support for fromiso=.../isofrom=....
205 ISO_DEVICE=$(dirname $FROMISO)
206 if ! [ -b $ISO_DEVICE ]
208 # to support unusual device names like /dev/cciss/c0d0p1
209 # as well we have to identify the block device name, let's
210 # do that for up to 15 levels
212 while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
214 ISO_DEVICE=$(dirname ${ISO_DEVICE})
215 [ -b "$ISO_DEVICE" ] && break
220 if [ "$ISO_DEVICE" = "/" ]
222 echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
224 fs_type=$(get_fstype "${ISO_DEVICE}")
225 if is_supported_fs ${fs_type}
228 mount -t $fs_type "$ISO_DEVICE" /live/fromiso
229 ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
230 loopdevname=$(setup_loop "/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
231 devname="${loopdevname}"
233 echo "Warning: unable to mount $ISO_DEVICE." >>/boot.log
238 if [ -z "${devname}" ]
240 devname=$(sys2dev "${sysdev}")
243 if [ -d "${devname}" ]
245 mount -o bind "${devname}" $mountpoint || continue
247 if is_live_path $mountpoint
257 for device in ${devname}
262 if [ -x /scripts/local-top/lvm2 ]
264 ROOT="$device" resume="" /scripts/local-top/lvm2
269 # Adding raid support
270 if [ -x /scripts/local-top/mdadm ]
272 cp /conf/conf.d/md /conf/conf.d/md.orig
273 echo "MD_DEVS=$device " >> /conf/conf.d/md
274 /scripts/local-top/mdadm
275 mv /conf/conf.d/md.orig /conf/conf.d/md
282 [ -n "$device" ] && devname="$device"
284 [ -e "$devname" ] || continue
286 if [ -n "${LIVE_MEDIA_OFFSET}" ]
288 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
289 devname="${loopdevname}"
292 fstype=$(get_fstype "${devname}")
294 if is_supported_fs ${fstype}
296 devuid=$(blkid -o value -s UUID "$devname")
297 [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
298 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
299 [ -n "$devuid" ] && echo "$devuid" >> $tried
301 if [ -n "${FINDISO}" ]
303 if [ -f ${mountpoint}/${FINDISO} ]
306 mkdir -p /live/findiso
307 mount -t ${fstype} -o ro,noatime "${devname}" /live/findiso
308 loopdevname=$(setup_loop "/live/findiso/${FINDISO}" "loop" "/sys/block/loop*" 0 "")
309 devname="${loopdevname}"
310 mount -t iso9660 -o ro,noatime "${devname}" ${mountpoint}
316 if is_live_path ${mountpoint} && \
317 ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
322 umount ${mountpoint} 2>/dev/null
326 if [ -n "${LIVE_MEDIA_OFFSET}" ]
328 losetup -d "${loopdevname}"
338 # don't start autodetection before timeout has expired
339 if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
341 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
347 # first look at the one specified in the command line
348 case "${LIVE_MEDIA}" in
350 for sysblock in $(removable_usb_dev "sys")
352 for dev in $(subdevices "${sysblock}")
354 if check_dev "${dev}"
364 for sysblock in $(removable_dev "sys")
366 for dev in $(subdevices "${sysblock}")
368 if check_dev "${dev}"
378 if [ ! -z "${LIVE_MEDIA}" ]
380 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
388 # or do the scan of block devices
389 # prefer removable devices over non-removable devices, so scan them first
390 devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')"
392 for sysblock in $devices_to_scan
394 devname=$(sys2dev "${sysblock}")
395 [ -e "$devname" ] || continue
396 fstype=$(get_fstype "${devname}")
398 if /lib/udev/cdrom_id ${devname} > /dev/null
400 if check_dev "null" "${devname}"
404 elif is_nice_device "${sysblock}"
406 for dev in $(subdevices "${sysblock}")
408 if check_dev "${dev}"
413 elif [ "${fstype}" = "squashfs" -o \
414 "${fstype}" = "btrfs" -o \
415 "${fstype}" = "ext2" -o \
416 "${fstype}" = "ext3" -o \
417 "${fstype}" = "ext4" -o \
418 "${fstype}" = "jffs2" ]
420 # This is an ugly hack situation, the block device has
421 # an image directly on it. It's hopefully
422 # live-boot, so take it and run with it.
423 ln -s "${devname}" "${devname}.${fstype}"
424 echo "${devname}.${fstype}"
434 if [ -x /scripts/local-top/cryptroot ]; then
435 /scripts/local-top/cryptroot
442 tail -f boot.log >&7 &
447 _CMDLINE="$(cat /proc/cmdline)"
450 case "${LIVE_DEBUG}" in
456 case "${LIVE_READ_ONLY}" in
464 # Needed here too because some things (*cough* udev *cough*)
465 # changes the timeout
467 if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
471 livefs_root="${mountpoint}"
473 panic "Unable to find a live file system on the network"
476 if [ -n "${ISCSI_PORTAL}" ]
478 do_iscsi && livefs_root="${mountpoint}"
479 elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
481 # Do a local boot from hd
484 if [ -x /usr/bin/memdiskfind ]
486 MEMDISK=$(/usr/bin/memdiskfind)
490 # We found a memdisk, set up phram
491 modprobe phram phram=memdisk,${MEMDISK}
493 # Load mtdblock, the memdisk will be /dev/mtdblock0
498 # Scan local devices for the image
500 while [ "$i" -lt 60 ]
502 livefs_root=$(find_livefs ${i})
504 if [ -n "${livefs_root}" ]
515 if [ -z "${livefs_root}" ]
517 panic "Unable to find a medium containing a live file system"
520 case "${LIVE_VERIFY_CHECKSUMS}" in
522 Verify_checksums "${livefs_root}"
531 live_dest="${TODISK}"
534 if [ "${live_dest}" ]
536 log_begin_msg "Copying live media to ${live_dest}"
537 copy_live_to "${livefs_root}" "${live_dest}"
541 # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
542 # because the mountpoint is left behind in /proc/mounts, so let's get
543 # rid of it when running from RAM
544 if [ -n "$FROMISO" ] && [ "${TORAM}" ]
546 losetup -d /dev/loop0
548 if is_mountpoint /live/fromiso
551 rmdir --ignore-fail-on-non-empty /live/fromiso \
552 >/dev/null 2>&1 || true
556 if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
558 setup_unionfs "${livefs_root}" "${rootmnt}"
561 mac="$(echo ${mac} | sed 's/-//g')"
562 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
566 if [ -n "${ROOT_PID}" ] ; then
567 echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
572 # unionfs-fuse needs /dev to be bind-mounted for the duration of
573 # live-bottom; udev's init script will take care of things after that
574 if [ "${UNIONTYPE}" = unionfs-fuse ]
576 mount -n -o bind /dev "${rootmnt}/dev"
579 # Move to the new root filesystem so that programs there can get at it.
580 if [ ! -d /root/live/image ]
582 mkdir -p /root/live/image
583 mount --move /live/image /root/live/image
586 # aufs2 in kernel versions around 2.6.33 has a regression:
587 # directories can't be accessed when read for the first the time,
588 # causing a failure for example when accessing /var/lib/fai
589 # when booting FAI, this simple workaround solves it
590 ls /root/* >/dev/null 2>&1
592 # Move findiso directory to the new root filesystem so that programs there can get at it.
593 if [ -d /live/findiso ] && [ ! -d /root/live/findiso ]
595 mkdir -p /root/live/findiso
596 mount -n --move /live/findiso /root/live/findiso
599 # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
600 # because the mountpoint is left behind in /proc/mounts, so let's get
601 # rid of it when running from RAM
602 if [ -n "$FINDISO" ] && [ "${TORAM}" ]
604 losetup -d /dev/loop0
606 if is_mountpoint /root/live/findiso
608 umount /root/live/findiso
609 rmdir --ignore-fail-on-non-empty /root/live/findiso \
610 >/dev/null 2>&1 || true
614 # copy snapshot configuration if exists
615 if [ -f snapshot.conf ]
617 log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
618 if [ ! -d "${rootmnt}/etc/live/boot.d" ]
620 mkdir -p "${rootmnt}/etc/live/boot.d"
622 cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
626 if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ]
628 log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf"
629 cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf
633 if ! [ -d "/root/usr/share/live-boot" ]
635 panic "A wrong rootfs was mounted."
642 case "${LIVE_SWAPON}" in
648 if [ "${UNIONFS}" = unionfs-fuse ]
650 umount "${rootmnt}/dev"
656 [ -w "${rootmnt}/var/log/" ] && mkdir -p /var/log/live && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null