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#*=}"
79 # Force dhcp even while netbooting
80 # Use for debugging in case somebody works on fixing dhclient
90 DEVICE
="${ARGUMENT#ethdevice=}"
95 ETHDEVICE
="${ARGUMENT#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
"${sysfs_path}" |
egrep -q "ID_PATH=(usb|pci-|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
472 elif echo "${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} ${copyfrom}
579 modprobe
-q af_packet
# For DHCP
584 if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
585 [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
588 # if ethdevice was not specified on the kernel command line
589 # make sure we try to get a working network configuration
590 # for *every* present network device (except for loopback of course)
591 if [ -z "$ETHDEVICE" ] ; then
592 echo "If you want to boot from a specific device use bootoption ethdevice=..."
593 for device
in /sys
/class
/net
/*; do
595 if [ "$dev" != "lo" ] ; then
596 ETHDEVICE
="$ETHDEVICE $dev"
601 # split args of ethdevice=eth0,eth1 into "eth0 eth1"
602 for device
in $
(echo $ETHDEVICE |
sed 's/,/ /g') ; do
603 devlist
="$devlist $device"
606 [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT
=15
607 echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
609 # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
610 # an endless loop; iff execution fails give it two further tries, that's
611 # why we use '$devlist $devlist $devlist' for the other for loop
612 for dev
in $devlist $devlist $devlist ; do
613 echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
614 ipconfig
-t "$ETHDEV_TIMEOUT" $dev |
tee -a /netboot.config
&
616 sleep "$ETHDEV_TIMEOUT" ; sleep 1
617 if [ -r /proc
/"$jobid"/status
] ; then
618 echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
622 # if configuration of device worked we should have an assigned
623 # IP address, iff so let's use the according as $DEVICE for later usage
624 # simple and primitive approach which seems to work fine
625 if ifconfig
$dev |
grep -q 'inet.*addr:' ; then
632 ipconfig
${DEVICE} |
tee /netboot.config
635 # source relevant ipconfig output
636 OLDHOSTNAME
=${HOSTNAME}
637 .
/tmp
/net-
${DEVICE}.conf
638 [ -z ${HOSTNAME} ] && HOSTNAME
=${OLDHOSTNAME}
641 if [ -n "${DEVICE}" ]
643 HWADDR
="$(cat /sys/class/net/${DEVICE}/address)"
646 # Check if we have a network device at all
647 if ! ls /sys
/class
/net
/"$DEVICE" > /dev
/null
2>&1 && \
648 ! ls /sys
/class
/net
/eth0
> /dev
/null
2>&1 && \
649 ! ls /sys
/class
/net
/wlan0
> /dev
/null
2>&1 && \
650 ! ls /sys
/class
/net
/ath0
> /dev
/null
2>&1 && \
651 ! ls /sys
/class
/net
/ra0
> /dev
/null
2>&1
653 panic
"No supported network device found, maybe a non-mainline driver is required."
661 if [ "${NFSROOT}" = "auto" ]
663 NFSROOT
=${ROOTSERVER}:${ROOTPATH}
668 if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] )
674 if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
676 NFSROOT
=${ROOTSERVER}:${NFSROOT}
679 log_begin_msg
"Trying netboot from ${NFSROOT}"
681 if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
701 [ "${DEBUG}" == "Yes" ] && debugopt
="-d 8"
702 #FIXME this name is supposed to be unique - some date + ifconfig hash?
703 ISCSI_INITIATORNAME
="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
704 export ISCSI_INITIATORNAME
705 if [ -n "${ISCSI_SERVER}" ] ; then
706 iscsistart
$debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
708 iscsistart
$debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
712 panic
"Failed to log into iscsi target"
714 local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
715 /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
720 while [ -z "${devices}" -a $i -lt 60 ]
723 devices
="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
724 /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
730 if check_dev
"null" "/dev/$dev"
737 panic
"Failed to locate a live device on iSCSI devices (tried: $devices)."
739 panic
"Failed to locate iSCSI host in /sys"
747 for webfile
in HTTPFS FTPFS FETCH
749 local url
="$(eval echo \"\$\{${webfile}\}\")"
750 local extension
="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
754 case "${extension}" in
755 iso|squashfs|tgz|
tar)
756 if [ "${extension}" = "iso" ]
758 mkdir
-p "${alt_mountpoint}"
759 dest
="${alt_mountpoint}"
761 local dest
="${mountpoint}/${LIVE_MEDIA_PATH}"
762 mount
-t ramfs ram
"${mountpoint}"
765 if [ "${webfile}" = "FETCH" ]
769 ip
="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
770 rfile
="$(echo $url | sed -e "s|tftp
://$ip||g
")"
771 lfile
="$(basename $url)"
772 log_begin_msg
"Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
773 tftp
-g -b 10240 -r $rfile -l ${dest}/$lfile $ip
777 log_begin_msg
"Trying wget ${url} -O ${dest}/$(basename ${url})"
778 wget
"${url}" -O "${dest}/$(basename ${url})"
782 log_begin_msg
"Trying to mount ${url} on ${dest}/$(basename ${url})"
783 if [ "${webfile}" = "FTPFS" ]
785 FUSE_MOUNT
="curlftpfs"
786 url
="$(dirname ${url})"
791 $FUSE_MOUNT "${url}" "${dest}"
792 FUSE_PID
="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
794 [ ${?} -eq 0 ] && rc
=0
795 [ "${extension}" = "tgz" ] && live_dest
="ram"
796 if [ "${extension}" = "iso" ]
798 isoloop
=$
(setup_loop
"${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
799 mount
-t iso9660
"${isoloop}" "${mountpoint}"
806 log_begin_msg
"Unrecognized archive extension for ${url}"
814 if [ -d "${alt_mountpoint}" ]
816 umount
"${alt_mountpoint}"
817 rmdir "${alt_mountpoint}"
819 umount
"${mountpoint}"
820 elif [ "${webfile}" != "FETCH" ] ; then
823 if [ -n "${FUSE_PID}" ] ; then
824 echo "${FUSE_PID}" > ${mountpoint}/root.pid
837 if [ -z "${NFSOPTS}" ]
842 log_begin_msg
"Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
844 # FIXME: This while loop is an ugly HACK round an nfs bug
846 while [ "$i" -lt 60 ]
848 nfsmount
-o nolock
-o ro
${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
860 if [ -x "/sbin
/mount.cifs
" ]
862 if [ -z "${NFSOPTS}" ]
864 CIFSOPTS="-ouser=root
,password
="
866 CIFSOPTS="${NFSOPTS}"
869 log_begin_msg "Trying mount.cifs
${NFSROOT} ${mountpoint} ${CIFSOPTS}"
872 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
886 size=$(fs_size "${fromdev}" "" "used
")
888 if [ -b "${fromdev}" ]
891 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME
" ]
893 todev=$(awk -v pat="$
(base_path
${todir})" '$2 == pat { print $1 }' /proc/mounts)
894 freespace=$(df -k | awk '/'${todev}'/{print $4}')
896 freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
899 tomount="/mnt
/tmpsnap
"
901 if [ ! -d "${tomount}" ]
903 mkdir -p "${tomount}"
906 fstype=$(get_fstype "${fromdev}")
908 if [ -n "${fstype}" ]
911 mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
912 cp -a "${tomount}"/* ${todir}
915 log_warning_msg "Unrecognized fstype
: ${fstype} on ${fromdev}:${snap_type}"
920 if echo ${fromdev} | grep -qs loop
922 losetup -d "${fromdev}"
929 log_warning_msg "Unable to
find the snapshot
${snap_type} medium
"
935 # Look for ${snap_label}.* in block devices
938 if [ "${PERSISTENT}" != "nofiles
" ]
940 # search for image files
941 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
")
944 if [ -z "${snapdata}" ]
946 snapdata=$(find_cow_device "${snap_label}")
953 # copy the contents of previously found snapshot to ${snap_mount}
954 # and remember the device and filename for resync on exit in live-boot.init
960 if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
962 log_success_msg "found snapshot
: ${snapdata}"
963 snapdev="$
(echo ${snapdata} | cut
-f1 -d ' ')"
964 snapback="$
(echo ${snapdata} | cut
-f2 -d ' ')"
965 snapfile="$
(echo ${snapdata} | cut
-f3 -d ' ')"
968 if ! try_mount "${snapdev}" "${snapback}" "ro
"
973 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
975 # squashfs, jffs2 or ext2/ext3/ext4 snapshot
976 dev=$(get_backing_device "${snapback}/${snapfile}")
978 do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
983 # Unfortunately klibc's cpio is incompatible with the
984 # rest of the world; everything else requires -u -d,
985 # while klibc doesn't implement them. Try to detect
986 # whether it's in use.
987 cpiopath="$
(which cpio)" || true
988 if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
992 cpioargs='--unconditional --make-directories'
995 if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null)
997 log_warning_msg "failure to
\"zcat
${snapback}/${snapfile} |
cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
1001 umount "${snapback}" || log_warning_msg "failure to
\"umount
${snapback}\""
1003 if [ "${RES}" != "0" ]
1005 log_warning_msg "Impossible to include the
${snapfile} Snapshot
file"
1008 elif [ -b "${snapdata}" ]
1010 # Try to find if it could be a snapshot partition
1012 log_success_msg "found snapshot
${snap_type} device on
${dev}"
1013 if echo "${dev}" | grep -qs loop
1015 # strange things happens, user confused?
1016 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
1017 snapfile=$(basename ${snaploop})
1018 snapdev=$(awk -v pat="$
( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
1023 if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1025 log_warning_msg "Impossible to include the
${snap_type} Snapshot
"
1028 if [ -n "${snapfile}" ]
1030 # it was a loop device, user confused
1035 log_warning_msg "Impossible to include the
${snap_type} Snapshot
"
1039 echo "export ${snap_type}SNAP="/cow${snap_mount#$rootmnt}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
1045 image_directory="${1}"
1047 addimage_directory="${3}"
1049 case ${UNIONTYPE} in
1051 modprobe -q -b ${UNIONTYPE}
1053 if ! cut -f2 /proc/filesystems | grep -q "^
${UNIONTYPE}\$
" && [ -x /bin/unionfs-fuse ]
1055 echo "${UNIONTYPE} not available
, falling back to unionfs-fuse.
"
1056 echo "This might be really slow.
"
1058 UNIONTYPE="unionfs-fuse
"
1063 if [ "${UNIONTYPE}" = unionfs-fuse ]
1068 # run-init can't deal with images in a subdir, but we're going to
1069 # move all of these away before it runs anyway. No, we're not,
1070 # put them in / since move-mounting them into / breaks mono and
1075 # Let's just mount the read-only file systems first
1079 if [ "${UNIONTYPE}" = "aufs
" ]
1082 noxino_opt="noxino
,"
1083 elif [ "${UNIONTYPE}" = "unionfs-fuse
" ]
1090 if [ -z "${PLAIN_ROOT}" ]
1092 # Read image names from ${MODULE}.module if it exists
1093 if [ -e "${image_directory}/filesystem.
${MODULE}.module
" ]
1095 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
1097 image_string="${image_string} ${image_directory}/${IMAGE}"
1099 elif [ -e "${image_directory}/${MODULE}.module
" ]
1101 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
1103 image_string="${image_string} ${image_directory}/${IMAGE}"
1106 # ${MODULE}.module does not exist, create a list of images
1107 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1109 for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1111 if [ -e "${IMAGE}" ]
1113 image_string="${image_string} ${IMAGE}"
1118 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1120 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1122 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1124 if [ -e "${IMAGE}" ]
1126 image_string="${image_string} ${IMAGE}"
1133 image_string="$
(echo ${image_string} |
sed -e 's/ /\n/g' |
sort )"
1136 [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1140 for image in ${image_string}
1142 imagename=$(basename "${image}")
1144 export image devname
1145 maybe_break live-realpremount
1146 log_begin_msg "Running
/scripts
/live-realpremount
"
1147 run_scripts /scripts/live-realpremount
1150 if [ -d "${image}" ]
1152 # it is a plain directory: do nothing
1153 rofsstring="${image}=${roopt}:${rofsstring}"
1154 rofslist="${image} ${rofslist}"
1155 elif [ -f "${image}" ]
1157 if losetup --help 2>&1 | grep -q -- "-r\b"
1159 backdev=$(get_backing_device "${image}" "-r")
1161 backdev=$(get_backing_device "${image}")
1163 fstype=$(get_fstype "${backdev}")
1165 if [ "${fstype}" = "unknown
" ]
1167 panic "Unknown
file system
type on
${backdev} (${image})"
1170 if [ -z "${fstype}" ]
1172 fstype="${imagename##*.}"
1173 log_warning_msg "Unknown
file system
type on
${backdev} (${image}), assuming ${fstype}.
"
1176 mkdir -p "${croot}/${imagename}"
1177 log_begin_msg "Mounting
\"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
1178 mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
1183 # we have a plain root system
1184 mkdir -p "${croot}/filesystem
"
1185 log_begin_msg "Mounting
\"${image_directory}\" on
\"${croot}/filesystem
\""
1186 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}"
1188 mount -o bind ${croot}/filesystem $mountpoint
1192 rofsstring=${rofsstring%:}
1196 # Looking for "${root_persistence}" device or file
1197 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1199 if [ -z "${QUICKUSBMODULES}" ]
1202 num_block=$(ls -l /sys/block | wc -l)
1203 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1205 modprobe -q -b ${module}
1211 # For some reason, udevsettle does not block in this scenario,
1212 # so we sleep for a little while.
1214 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1215 for timeout in 5 4 3 2 1
1219 if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1226 # search for label and files (this could be hugely optimized)
1227 cowprobe=$(find_cow_device "${root_persistence}")
1228 if [ -b "${cowprobe}" ]
1230 # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
1231 # makes sense to have both persistence for /cow and /home mounted, maybe also with
1232 # snapshots to be sure to really store some e.g key config files,
1233 # but not on the same media
1234 blacklistdev="${cowprobe}"
1235 PERSISTENCE_IS_ON="1"
1236 export PERSISTENCE_IS_ON
1238 # homecow just mount something on /home, this should be generalized some way
1239 homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
1240 if [ -b "${homecow}" ]
1242 PERSISTENCE_IS_ON="1"
1243 export PERSISTENCE_IS_ON
1245 root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
1246 # This second type should be removed when snapshot will get smarter,
1247 # hence when "/etc
/live-snapshot
*list
" will be supported also by
1248 # ext2|ext3|ext4|jffs2 snapshot types.
1249 home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
1251 if [ -b "${cowprobe}" ]
1253 cowdevice=${cowprobe}
1254 cow_fstype=$(get_fstype "${cowprobe}")
1255 cow_mountopt="rw
,noatime
"
1257 if [ "${FORCEPERSISTENTFSCK}" = "Yes
" ]
1259 fsck -y ${cowdevice}
1262 log_warning_msg "Unable to
find the persistent medium
"
1265 cow_mountopt="rw
,noatime
,mode
=755"
1267 elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1269 # check if there are any nfs options
1270 if echo ${NFS_COW}|grep -q ','
1272 nfs_cow_opts="-o nolock
,$
(echo ${NFS_COW}|cut
-d, -f2-)"
1273 nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1275 nfs_cow_opts="-o nolock
"
1281 cowdevice=$(echo ${nfs_cow}|sed "s
/client_mac_address
/${mac}/")
1284 panic "unable to determine mac address
"
1289 cow_mountopt="rw
,noatime
,mode
=755"
1292 if [ "${cow_fstype}" = "nfs
" ]
1295 "Trying nfsmount
${nfs_cow_opts} ${cowdevice} /cow
"
1296 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1297 panic "Can not mount
${cowdevice} (n
: ${cow_fstype}) on
/cow
"
1299 mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1300 panic "Can not mount
${cowdevice} (o
: ${cow_fstype}) on
/cow
"
1303 rofscount=$(echo ${rofslist} |wc -w)
1305 if [ -n "${EXPOSED_ROOT}" ]
1307 if [ ${rofscount} -ne 1 ]
1309 panic "only one RO
file system supported with exposedroot
: ${rofslist}"
1311 exposedrootfs=${rofslist%% }
1313 mount --bind ${exposedrootfs} ${rootmnt} || \
1314 panic "bind mount of
${exposedrootfs} failed
"
1316 if [ -z "${SKIP_UNION_MOUNTS}" ]
1318 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
1323 for dir in ${cow_dirs}; do
1326 case "${UNIONTYPE}" in
1328 (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}")
1329 mkdir
-p /dev
/.initramfs
/varrun
1330 pidof unionfs-fuse
>> /dev
/.initramfs
/varrun
/sendsigs.omit || true
1334 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}${dir}=ro
"
1339 case "${UNIONTYPE}" in
1341 (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}")
1342 mkdir
-p /dev
/.initramfs
/varrun
1343 pidof unionfs-fuse
>> /dev
/.initramfs
/varrun
/sendsigs.omit || true
1347 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:${rofsstring}"
1352 # Correct the permissions of /:
1353 chmod 0755 "${rootmnt}"
1355 # tmpfs file systems
1357 mkdir -p "${rootmnt}/live
"
1358 mount -t tmpfs tmpfs ${rootmnt}/live
1360 # Adding other custom mounts
1361 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1363 # directly mount /home
1364 # FIXME: add a custom mounts configurable system
1366 if [ -b "${homecow}" ]
1368 mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home
"
1369 export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1371 log_warning_msg "Unable to
find the persistent home medium
"
1374 # Look for other snapshots to copy in
1375 try_snap "${root_snapdata}" "${rootmnt}" "ROOT
"
1376 # This second type should be removed when snapshot grow smarter
1377 try_snap "${home_snapdata}" "${rootmnt}/home
" "HOME
"
1380 if [ -n "${SHOWMOUNTS}" ]
1382 for d in ${rofslist}
1384 mkdir -p "${rootmnt}/live
/${d##*/}"
1388 # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1392 case "${UNIONTYPE}" in
1394 mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1398 mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1406 # shows cow fs on /cow for use by live-snapshot
1407 mkdir -p "${rootmnt}/live
/cow
"
1408 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 ${rootmnt}/live
/cow
"
1415 skip_uuid_check="${3}"
1417 # support for fromiso=.../isofrom=....
1418 if [ -n "$FROMISO" ]
1420 ISO_DEVICE=$(dirname $FROMISO)
1421 if ! [ -b $ISO_DEVICE ]
1423 # to support unusual device names like /dev/cciss/c0d0p1
1424 # as well we have to identify the block device name, let's
1425 # do that for up to 15 levels
1427 while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
1429 ISO_DEVICE=$(dirname ${ISO_DEVICE})
1430 [ -b "$ISO_DEVICE" ] && break
1435 if [ "$ISO_DEVICE" = "/" ]
1437 echo "Warning
: device
for bootoption isofrom
= ($FROMISO) not found.
">>/live.log
1440 mount "$ISO_DEVICE" /isofrom
1441 ISO_NAME="$
(echo $FROMISO |
sed "s|$ISO_DEVICE||")"
1442 loopdevname=$(setup_loop "/isofrom
/${ISO_NAME}" "loop
" "/sys
/block
/loop
*" "" '')
1443 devname="${loopdevname}"
1447 if [ -z "${devname}" ]
1449 devname=$(sys2dev "${sysdev}")
1452 if [ -d "${devname}" ]
1454 mount -o bind "${devname}" $mountpoint || continue
1456 if is_live_path $mountpoint
1464 [ -e "$devname" ] || continue
1466 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1468 loopdevname=$(setup_loop "${devname}" "loop
" "/sys
/block
/loop
*" "${LIVE_MEDIA_OFFSET}" '')
1469 devname="${loopdevname}"
1472 fstype=$(get_fstype "${devname}")
1474 if is_supported_fs ${fstype}
1476 devuid=$(blkid -o value -s UUID "$devname")
1477 [ -n "$devuid" ] && grep -qs "\
<$devuid\
>" $tried && continue
1478 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1479 [ -n "$devuid" ] && echo "$devuid" >> $tried
1481 if is_live_path ${mountpoint} && \
1482 ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1487 umount ${mountpoint}
1491 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1493 losetup -d "${loopdevname}"
1503 # don't start autodetection before timeout has expired
1504 if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1506 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1512 # first look at the one specified in the command line
1513 case "${LIVE_MEDIA}" in
1515 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd
)")
1517 if [ "$
(cat ${sysblock}/removable
)" = "1" ]
1519 if readlink ${sysblock} | grep -q usb ||
1520 readlink ${sysblock}/device | grep -q usb # linux < 2.6.29
1522 for dev in $(subdevices "${sysblock}")
1524 if check_dev "${dev}"
1536 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd
)")
1538 if [ "$
(cat ${sysblock}/removable
)" = "1" ]
1540 for dev in $(subdevices "${sysblock}")
1542 if check_dev "${dev}"
1553 if [ ! -z "${LIVE_MEDIA}" ]
1555 if check_dev "null
" "${LIVE_MEDIA}" "skip_uuid_check
"
1563 # or do the scan of block devices
1564 # prefer removable devices over non-removable devices, so scan them first
1565 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | egrep -v "/(loop|ram|dm-|fd
)")
1567 if [ "$
(cat ${sysblock}/removable
)" = "1" ]
1569 removable_devices_to_scan="$removable_devices_to_scan $sysblock"
1571 nonremovable_devices_to_scan="$nonremovable_devices_to_scan $sysblock"
1574 devices_to_scan="$removable_devices_to_scan $nonremovable_devices_to_scan"
1576 for sysblock in $devices_to_scan
1578 devname=$(sys2dev "${sysblock}")
1579 [ -e "$devname" ] || continue
1580 fstype=$(get_fstype "${devname}")
1582 if /lib/udev/cdrom_id ${devname} > /dev/null
1584 if check_dev "null
" "${devname}"
1588 elif is_nice_device "${sysblock}"
1590 for dev in $(subdevices "${sysblock}")
1592 if check_dev "${dev}"
1597 elif [ "${fstype}" = "squashfs
" -o \
1598 "${fstype}" = "ext2
" -o \
1599 "${fstype}" = "ext3
" -o \
1600 "${fstype}" = "ext4
" -o \
1601 "${fstype}" = "jffs2
" ]
1603 # This is an ugly hack situation, the block device has
1604 # an image directly on it. It's hopefully
1605 # live-boot, so take it and run with it.
1606 ln -s "${devname}" "${devname}.${fstype}"
1607 echo "${devname}.
${fstype}"
1615 set_usplash_timeout ()
1617 if [ -x /sbin/usplash_write ]
1619 /sbin/usplash_write "TIMEOUT
120"
1620 else if [ -x /sbin/splashy_update ] ; then
1621 /sbin/splashy_update "TIMEOUT
120"
1627 media_mountpoint="${1}"
1629 log_begin_msg "Checking media integrity
"
1631 cd ${media_mountpoint}
1632 /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
1637 if [ "${RC}" -eq 0 ]
1639 log_success_msg "Everything ok
, will reboot
in 10 seconds.
"
1642 umount ${media_mountpoint}
1644 echo u > /proc/sysrq-trigger
1645 echo b > /proc/sysrq-trigger
1647 panic "Not ok
, a media defect is likely
, switch to VT8
for details.
"
1651 start_usplash_pulse ()
1653 if [ -x /sbin/usplash_write ]
1655 /sbin/usplash_write "PULSELOGO
"
1661 if [ -x /scripts/local-top/cryptroot ]; then
1662 /scripts/local-top/cryptroot
1669 tail -f live.log >&7 &
1672 # Ensure 'panic' function is overridden
1673 . /scripts/live-functions
1680 maybe_break live-premount
1681 log_begin_msg "Running
/scripts
/live-premount
"
1682 run_scripts /scripts/live-premount
1685 # Needed here too because some things (*cough* udev *cough*)
1686 # changes the timeout
1690 if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1694 livefs_root="${mountpoint}"
1696 panic "Unable to
find a live
file system on the network
"
1699 if [ -n "${ISCSI_PORTAL}" ]
1701 do_iscsi && livefs_root="${mountpoint}"
1702 elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1704 # Do a local boot from hd
1707 if [ -x /usr/bin/memdiskfind ]
1709 MEMDISK=$(/usr/bin/memdiskfind)
1713 # We found a memdisk, set up phram
1714 modprobe phram phram=memdisk,${MEMDISK}
1716 # Load mtdblock, the memdisk will be /dev/mtdblock0
1721 # Scan local devices for the image
1723 while [ "$i" -lt 60 ]
1725 livefs_root=$(find_livefs ${i})
1727 if [ -n "${livefs_root}" ]
1738 if [ -z "${livefs_root}" ]
1740 panic "Unable to
find a medium containing a live
file system
"
1743 if [ "${INTEGRITY_CHECK}" ]
1745 integrity_check "${livefs_root}"
1751 elif [ "${TODISK}" ]
1753 live_dest="${TODISK}"
1756 if [ "${live_dest}" ]
1758 log_begin_msg "Copying live media to
${live_dest}"
1759 copy_live_to "${livefs_root}" "${live_dest}"
1763 # if we do not unmount the ISO we can't run "fsck
/dev
/ice
" later on
1764 # because the mountpoint is left behind in /proc/mounts, so let's get
1765 # rid of it when running from RAM
1766 if [ -n "$FROMISO" ] && [ "${TORAM}" ]
1768 losetup -d /dev/loop0
1769 grep -q /isofrom /proc/mounts && umount /isofrom
1772 if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
1774 setup_unionfs "${livefs_root}" "${rootmnt}"
1777 mac="$
(echo ${mac} |
sed 's/-//g')"
1778 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1783 # unionfs-fuse needs /dev to be bind-mounted for the duration of
1784 # live-bottom; udev's init script will take care of things after that
1785 if [ "${UNIONTYPE}" = unionfs-fuse ]
1787 mount -n -o bind /dev "${rootmnt}/dev
"
1790 # Move to the new root filesystem so that programs there can get at it.
1791 if [ ! -d /root/live/image ]
1793 mkdir -p /root/live/image
1794 mount --move /live/image /root/live/image
1797 maybe_break live-bottom
1798 log_begin_msg "Running
/scripts
/live-bottom
\n"
1800 run_scripts /scripts/live-bottom
1803 if [ "${UNIONFS}" = unionfs-fuse ]
1805 umount "${rootmnt}/dev
"
1811 [ -w "${rootmnt}/var
/log
/" ] && cp live.log "${rootmnt}/var
/log
/" 2>/dev/null