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 LIVE_MEDIA_PATH="live"
13 root_persistence="live-rw"
14 home_persistence="home-rw"
15 root_snapshot_label="live-sn"
16 home_snapshot_label="home-sn"
19 USERFULLNAME="Live user"
22 mkdir -p "${mountpoint}"
24 # Create /etc/mtab for debug purpose and future syncs
35 [ -f /etc/live.conf ] && . /etc/live.conf
36 export USERNAME USERFULLNAME HOSTNAME
38 . /scripts/live-helpers
40 if [ ! -f /live.vars ]
49 for ARGUMENT in $(cat /proc/cmdline)
57 NOCONSOLEKEYBOARD="Yes"
64 NOLANGUAGESELECTOR="Yes"
68 NOPOWERMANAGEMENT="Yes"
69 NOPROGRAMCRASHES="Yes"
72 NOUPDATENOTIFIER="Yes"
78 export NOACCESSIBILITY NOAPPARMOR NOAPTCDROM NOAUTOLOGIN NOCONSOLEKEYBOARD NOFASTBOOT NOFSTAB NOGNOMEPANEL NOHOSTS NOJOCKEY NOKPERSONALIZER NOLANGUAGESELECTOR NOLOCALES NONETWORKING NOPOLKITCONF NOPOWERMANAGEMENT NOPROGRAMCRASHES NOSUDO NOTIMEZONE NOUPDATENOTIFIER NOUSER NOXAUTOCONFIG NOXAUTOLOGIN NOXSCREENSAVER
82 ACCESS="${ARGUMENT#access=}"
87 DEFCONSOLE="${ARGUMENT#*=}"
99 DEVICE="${ARGUMENT#ethdevice=}"
104 FETCH="${ARGUMENT#fetch=}"
109 FORCEPERSISTENTFSCK="Yes"
110 export FORCEPERSISTENTFSCK
114 HOOK="${ARGUMENT#hook=}"
119 FTPFS="${ARGUMENT#ftpfs=}"
124 HTTPFS="${ARGUMENT#httpfs=}"
129 HOSTNAME="${ARGUMENT#hostname=}"
131 export HOSTNAME LIVECONF
135 FROMISO="${ARGUMENT#*=}"
140 USERNAME="${ARGUMENT#username=}"
142 export USERNAME LIVECONF
146 USERFULLNAME="${ARGUMENT#userfullname=}"
148 export USERFULLNAME LIVECONF
157 INTEGRITY_CHECK="Yes"
158 export INTEGRITY_CHECK
162 STATICIP="${ARGUMENT#ip=}"
164 if [ -z "${STATICIP}" ]
172 keyb=*|kbd-chooser/method=*)
177 klayout=*|console-setup/layoutcode=*)
178 KLAYOUT="${ARGUMENT#*=}"
182 kvariant=*|console-setup/variantcode=*)
183 KVARIANT="${ARGUMENT#*=}"
187 kmodel=*|console-setup/modelcode=*)
188 KMODEL="${ARGUMENT#*=}"
193 KOPTIONS="${ARGUMENT#koptions=}"
202 live-media=*|bootfrom=*)
203 LIVE_MEDIA="${ARGUMENT#*=}"
207 live-media-encryption=*|encryption=*)
208 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
209 export LIVE_MEDIA_ENCRYPTION
213 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
214 export LIVE_MEDIA_OFFSET
218 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
219 export LIVE_MEDIA_PATH
222 live-media-timeout=*)
223 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
224 export LIVE_MEDIA_TIMEOUT
227 language=*|debian-installer/language=*)
228 language=${x#debian-installer/language=}
229 locale="$(lang2locale "$language")"
233 locale=*|debian-installer/locale=*)
234 LOCALE="${ARGUMENT#*=}"
239 MODULE="${ARGUMENT#module=}"
244 NETBOOT="${ARGUMENT#netboot=}"
249 NFSOPTS="${ARGUMENT#nfsopts=}"
254 NFS_COW="${ARGUMENT#nfscow=}"
259 NOACCESSIBILITY="Yes"
260 export NOACCESSIBILITY
284 NOCONSOLEKEYBOARD="Yes"
285 export NOCONSOLEKEYBOARD
309 NOKPERSONALIZER="Yes"
310 export NOKPERSONALIZER
314 NOLANGUAGESELECTOR="Yes"
315 export NOLANGUAGESELECTOR
329 NOPOWERMANAGEMENT="Yes"
330 export NOPOWERMANAGEMENT
334 NOPROGRAMCRASHES="Yes"
335 export NOPROGRAMCRASHES
354 NOUPDATENOTIFIER="Yes"
355 export NOUPDATENOTIFIER
370 export NOXSCREENSAVER
379 PERSISTENT="${ARGUMENT#persistent=}"
380 if [ -z "${PERSISTENT}" ]
388 PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
389 export PERSISTENT_PATH
392 persistent-subtext=*)
393 root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
394 home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
395 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
396 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
405 QUICKUSBMODULES="Yes"
406 export QUICKUSBMODULES
409 preseed/file=*|file=*)
410 LOCATION="${ARGUMENT#*=}"
420 location="${ARGUMENT#url=}"
422 mount -o bind /sys /root/sys
423 mount -o bind /proc /root/proc
424 mount -o bind /dev /root/dev
426 mkdir -p /root/var/run/network
427 [ "${NETBOOT}" ] || chroot /root dhclient eth0
428 chroot /root wget -P /tmp "${location}"
429 [ "${NETBOOT}" ] || chroot /root ifconfig eth0 down
435 LOCATION="/tmp/$(basename "${location}")"
439 question="${ARGUMENT%%=*}"
440 value="${ARGUMENT#*=}"
441 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
461 TIMEZONE="${ARGUMENT#timezone=}"
471 TODISK="${ARGUMENT#todisk=}"
482 MODULETORAM="${ARGUMENT#toram=}"
483 export TORAM MODULETORAM
497 SKIP_UNION_MOUNTS="Yes"
498 export SKIP_UNION_MOUNTS
502 ROOT="${ARGUMENT#root=}"
507 UNIONTYPE="${ARGUMENT#union=}"
512 UTC="${ARGUMENT#utc=}"
522 XDRIVER="${ARGUMENT#xdriver=}"
527 XVIDEOMODE="${ARGUMENT#xvideomode=}"
533 # sort of compatibility with netboot.h from linux docs
534 if [ -z "${NETBOOT}" ]
536 if [ "${ROOT}" = "/dev/nfs" ]
540 elif [ "${ROOT}" = "/dev/cifs" ]
547 if [ -z "${MODULE}" ]
553 if [ -z "${UNIONTYPE}" ]
564 if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
566 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
568 if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
580 if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
586 uuid="$(cat /conf/uuid.conf)"
588 for try_uuid_file in "${path}/.disk/live-uuid"*
590 [ -e "${try_uuid_file}" ] || continue
592 try_uuid="$(cat "${try_uuid_file}")"
594 if [ "${uuid}" = "${try_uuid}" ]
603 get_backing_device ()
606 *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
607 echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
615 panic "Unrecognized live filesystem: ${1}"
620 match_files_in_dir ()
622 # Does any files match pattern ${1} ?
625 if [ "$(echo ${pattern})" != "${pattern}" ]
633 mount_images_in_directory ()
640 if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
641 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
642 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
643 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
644 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
645 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
647 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
648 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
650 panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
656 sysfs_path="${1#/sys}"
658 if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-|platform-mmc)"
661 elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
673 copyto="${copyfrom}_swap"
675 if [ -z "${MODULETORAM}" ]
677 size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
679 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
681 if [ -f "${MODULETORAMFILE}" ]
683 size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
685 log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
690 if [ "${copytodev}" = "ram" ]
693 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
694 mount_options="-o size=${size}k"
699 # it should be a writable block device
700 if [ -b "${copytodev}" ]
704 fstype=$(get_fstype "${dev}")
705 freespace=$(fs_size "${dev}")
707 log_warning_msg "${copytodev} is not a block device."
712 if [ "${freespace}" -lt "${size}" ]
714 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
718 # begin copying (or uncompressing)
720 log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
721 mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
723 if [ "${extension}" = "tgz" ]
726 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
727 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
728 mount -r -o move "${copyto}" "${rootmnt}"
731 if [ -n "${MODULETORAMFILE}" ]
735 echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
736 rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
738 cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
743 echo " * Copying whole medium to RAM" 1>/dev/console
744 rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files
746 mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
747 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH} # "cp -a" from busybox also copies hidden files
752 mount -r -o move ${copyto} ${copyfrom}
763 modprobe -q af_packet # For DHCP
768 ipconfig ${DEVICE} | tee /netboot.config
770 # source relevant ipconfig output
771 OLDHOSTNAME=${HOSTNAME}
772 . /tmp/net-${DEVICE}.conf
773 [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
776 # Check if we have a network device at all
777 if ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
778 ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
779 ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
780 ! ls /sys/class/net/ra0 > /dev/null 2>&1
782 panic "No supported network device found, maybe a non-mainline driver is required."
785 if [ "${NFSROOT}" = "auto" ]
787 NFSROOT=${ROOTSERVER}:${ROOTPATH}
790 if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
796 if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
798 NFSROOT=${ROOTSERVER}:${NFSROOT}
801 log_begin_msg "Trying netboot from ${NFSROOT}"
803 if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
820 dest="${mountpoint}/${LIVE_MEDIA_PATH}"
821 mount -t ramfs ram "${mountpoint}"
824 for webfile in HTTPFS FTPFS FETCH
826 url="$(eval echo \"\$\{${webfile}\}\")"
827 extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
831 case "${extension}" in
833 if [ "${webfile}" = "FETCH" ]
837 ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
838 rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
839 lfile="$(basename $url)"
840 log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
841 tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
845 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
846 wget "${url}" -O "${dest}/$(basename ${url})"
850 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
851 if [ "${webfile}" = "FTPFS" ]
853 FUSE_MOUNT="curlftpfs"
854 url="$(dirname ${url})"
859 $FUSE_MOUNT "${url}" "${dest}"
861 [ ${?} -eq 0 ] && rc=0
862 [ "${extension}" = "tgz" ] && live_dest="ram"
867 log_begin_msg "Unrecognized archive extension for ${url}"
875 umount "${mountpoint}"
887 if [ -z "${NFSOPTS}" ]
892 log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
894 # FIXME: This while loop is an ugly HACK round an nfs bug
896 while [ "$i" -lt 60 ]
898 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
910 if [ -x "/sbin/mount.cifs" ]
912 if [ -z "${NFSOPTS}" ]
914 CIFSOPTS="-ouser=root,password="
916 CIFSOPTS="${NFSOPTS}"
919 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
922 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
936 size=$(fs_size "${fromdev}" "" "used")
938 if [ -b "${fromdev}" ]
941 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
943 todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
944 freespace=$(df -k | awk '/'${todev}'/{print $4}')
946 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
949 tomount="/mnt/tmpsnap"
951 if [ ! -d "${tomount}" ]
953 mkdir -p "${tomount}"
956 fstype=$(get_fstype "${fromdev}")
958 if [ -n "${fstype}" ]
961 mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
962 cp -a "${tomount}"/* ${todir}
965 log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
970 if echo ${fromdev} | grep -qs loop
972 losetup -d "${fromdev}"
979 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
985 # Look for ${snap_label}.* in block devices
988 if [ "${PERSISTENT}" != "nofiles" ]
990 # search for image files
991 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")
994 if [ -z "${snapdata}" ]
996 snapdata=$(find_cow_device "${snap_label}")
1003 # copy the contents of previously found snapshot to ${snap_mount}
1004 # and remember the device and filename for resync on exit in live-initramfs.init
1010 if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
1012 log_success_msg "found snapshot: ${snapdata}"
1013 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
1014 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
1015 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
1018 if ! try_mount "${snapdev}" "${snapback}" "ro"
1023 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
1025 # squashfs, jffs2 or ext2/ext3/ext4 snapshot
1026 dev=$(get_backing_device "${snapback}/${snapfile}")
1028 do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1033 zcat "${snapback}/${snapfile}" | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
1035 if [ "${RES}" != "0" ]
1037 log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
1042 umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
1044 if [ "${RES}" != "0" ]
1046 log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
1049 elif [ -b "${snapdata}" ]
1051 # Try to find if it could be a snapshot partition
1053 log_success_msg "found snapshot ${snap_type} device on ${dev}"
1054 if echo "${dev}" | grep -qs loop
1056 # strange things happens, user confused?
1057 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
1058 snapfile=$(basename ${snaploop})
1059 snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
1064 if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1066 log_warning_msg "Impossible to include the ${snap_type} Snapshot"
1069 if [ -n "${snapfile}" ]
1071 # it was a loop device, user confused
1076 log_warning_msg "Impossible to include the ${snap_type} Snapshot"
1080 echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
1086 image_directory="${1}"
1088 addimage_directory="${3}"
1089 modprobe -q -b ${UNIONTYPE}
1091 # run-init can't deal with images in a subdir, but we're going to
1092 # move all of these away before it runs anyway. No, we're not,
1093 # put them in / since move-mounting them into / breaks mono and
1098 # Let's just mount the read-only file systems first
1102 if [ "${UNIONTYPE}" = "aufs" ]
1109 if [ -z "${PLAIN_ROOT}" ]
1111 # Read image names from ${MODULE}.module if it exists
1112 if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
1114 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
1116 image_string="${image_string} ${image_directory}/${IMAGE}"
1118 elif [ -e "${image_directory}/${MODULE}.module" ]
1120 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
1122 image_string="${image_string} ${image_directory}/${IMAGE}"
1125 # ${MODULE}.module does not exist, create a list of images
1126 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1128 for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1130 if [ -e "${IMAGE}" ]
1132 image_string="${image_string} ${IMAGE}"
1137 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1139 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1141 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1143 if [ -e "${IMAGE}" ]
1145 image_string="${image_string} ${IMAGE}"
1152 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1155 [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1159 for image in ${image_string}
1161 imagename=$(basename "${image}")
1163 export image devname
1164 maybe_break live-realpremount
1165 log_begin_msg "Running /scripts/live-realpremount"
1166 run_scripts /scripts/live-realpremount
1169 if [ -d "${image}" ]
1171 # it is a plain directory: do nothing
1172 rofsstring="${image}=${roopt}:${rofsstring}"
1173 rofslist="${image} ${rofslist}"
1174 elif [ -f "${image}" ]
1176 if losetup --help 2>&1 | grep -q -- "-r\b"
1178 backdev=$(get_backing_device "${image}" "-r")
1180 backdev=$(get_backing_device "${image}")
1182 fstype=$(get_fstype "${backdev}")
1184 if [ "${fstype}" = "unknown" ]
1186 panic "Unknown file system type on ${backdev} (${image})"
1189 if [ -z "${fstype}" ]
1191 fstype="${imagename##*.}"
1192 log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1195 mkdir -p "${croot}/${imagename}"
1196 log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
1197 mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
1202 # we have a plain root system
1203 mkdir -p "${croot}/filesystem"
1204 log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
1205 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}"
1207 mount -o bind ${croot}/filesystem $mountpoint
1211 rofsstring=${rofsstring%:}
1215 # Looking for "${root_persistence}" device or file
1216 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1218 if [ -z "${QUICKUSBMODULES}" ]
1221 num_block=$(ls -l /sys/block | wc -l)
1222 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1224 modprobe -q -b ${module}
1230 # For some reason, udevsettle does not block in this scenario,
1231 # so we sleep for a little while.
1233 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1234 for timeout in 5 4 3 2 1
1238 if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1245 # search for label and files (this could be hugely optimized)
1246 cowprobe=$(find_cow_device "${root_persistence}")
1247 if [ -b "${cowprobe}" ]
1249 # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
1250 # makes sense to have both persistence for /cow and /home mounted, maybe also with
1251 # snapshots to be sure to really store some e.g key config files,
1252 # but not on the same media
1253 blacklistdev="${cowprobe}"
1254 PERSISTENCE_IS_ON="1"
1255 export PERSISTENCE_IS_ON
1257 # homecow just mount something on /home, this should be generalized some way
1258 homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
1259 if [ -b "${homecow}" ]
1261 PERSISTENCE_IS_ON="1"
1262 export PERSISTENCE_IS_ON
1264 root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
1265 # This second type should be removed when snapshot will get smarter,
1266 # hence when "/etc/live-snapshot*list" will be supported also by
1267 # ext2|ext3|ext4|jffs2 snapshot types.
1268 home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
1270 if [ -b "${cowprobe}" ]
1272 cowdevice=${cowprobe}
1273 cow_fstype=$(get_fstype "${cowprobe}")
1274 cow_mountopt="rw,noatime"
1276 if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
1278 fsck -y ${cowdevice}
1281 log_warning_msg "Unable to find the persistent medium"
1284 cow_mountopt="rw,noatime,mode=755"
1286 elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1288 # check if there are any nfs options
1289 if echo ${NFS_COW}|grep -q ','
1291 nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1292 nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1294 nfs_cow_opts="-o nolock"
1300 cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1303 panic "unable to determine mac address"
1308 cow_mountopt="rw,noatime,mode=755"
1311 if [ "${cow_fstype}" = "nfs" ]
1314 "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1315 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1316 panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1318 mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1319 panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1322 rofscount=$(echo ${rofslist} |wc -w)
1324 if [ -n "${EXPOSED_ROOT}" ]
1326 if [ ${rofscount} -ne 1 ]
1328 panic "only one RO file system supported with exposedroot: ${rofslist}"
1330 exposedrootfs=${rofslist%% }
1332 mount --bind ${exposedrootfs} ${rootmnt} || \
1333 panic "bind mount of ${exposedrootfs} failed"
1335 if [ -z "${SKIP_UNION_MOUNTS}" ]
1337 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
1342 for dir in ${cow_dirs}; do
1344 mount -t ${UNIONTYPE} \
1345 -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
1346 ${UNIONTYPE} "${rootmnt}${dir}" || \
1347 panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
1348 rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
1351 mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
1352 ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
1353 ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
1356 # Correct the permissions of /:
1357 chmod 0755 "${rootmnt}"
1359 # tmpfs file systems
1361 mkdir -p "${rootmnt}/live"
1362 mount -t tmpfs tmpfs ${rootmnt}/live
1364 # Adding other custom mounts
1365 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1367 # directly mount /home
1368 # FIXME: add a custom mounts configurable system
1370 if [ -b "${homecow}" ]
1372 mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1373 export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1375 log_warning_msg "Unable to find the persistent home medium"
1378 # Look for other snapshots to copy in
1379 try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
1380 # This second type should be removed when snapshot grow smarter
1381 try_snap "${home_snapdata}" "${rootmnt}/home" "HOME"
1384 if [ -n "${SHOWMOUNTS}" ]
1386 for d in ${rofslist}
1388 mkdir -p "${rootmnt}/live/${d##*/}"
1392 # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1396 mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1402 # shows cow fs on /cow for use by live-snapshot
1403 mkdir -p "${rootmnt}/live/cow"
1404 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 ${rootmnt}/live/cow"
1411 skip_uuid_check="${3}"
1413 # support for fromiso=.../isofrom=....
1414 if [ -n "$FROMISO" ]
1417 ISO_DEVICE="$(echo $FROMISO | sed 's|\(/dev/[a-z]*[0-9]*\).*|\1|')"
1418 mount "$ISO_DEVICE" /isofrom
1419 ISO_NAME="$(echo $FROMISO | sed 's|/dev/[a-z]*[0-9]*/||')"
1420 loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
1421 devname="${loopdevname}"
1424 if [ -z "${devname}" ]
1426 devname=$(sys2dev "${sysdev}")
1429 if [ -d "${devname}" ]
1431 mount -o bind "${devname}" $mountpoint || continue
1433 if is_live_path $mountpoint
1442 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1444 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1445 devname="${loopdevname}"
1448 fstype=$(get_fstype "${devname}")
1450 if is_supported_fs ${fstype}
1452 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1454 if is_live_path ${mountpoint} && \
1455 ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1460 umount ${mountpoint}
1464 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1466 losetup -d "${loopdevname}"
1476 # don't start autodetection before timeout has expired
1477 if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1479 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1485 # first look at the one specified in the command line
1486 case "${LIVE_MEDIA}" in
1488 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1490 if [ "$(cat ${sysblock}/removable)" = "1" ]
1492 if readlink ${sysblock} | grep -q usb ||
1493 readlink ${sysblock}/device | grep -q usb # linux < 2.6.29
1495 for dev in $(subdevices "${sysblock}")
1497 if check_dev "${dev}"
1509 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1511 if [ "$(cat ${sysblock}/removable)" = "1" ]
1513 for dev in $(subdevices "${sysblock}")
1515 if check_dev "${dev}"
1526 if [ ! -z "${LIVE_MEDIA}" ]
1528 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1536 # or do the scan of block devices
1537 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1539 devname=$(sys2dev "${sysblock}")
1540 fstype=$(get_fstype "${devname}")
1542 if /lib/udev/cdrom_id ${devname} > /dev/null
1544 if check_dev "null" "${devname}"
1548 elif is_nice_device "${sysblock}"
1550 for dev in $(subdevices "${sysblock}")
1552 if check_dev "${dev}"
1557 elif [ "${fstype}" = "squashfs" -o \
1558 "${fstype}" = "ext2" -o \
1559 "${fstype}" = "ext3" -o \
1560 "${fstype}" = "ext4" -o \
1561 "${fstype}" = "jffs2" ]
1563 # This is an ugly hack situation, the block device has
1564 # an image directly on it. It's hopefully
1565 # live-initramfs, so take it and run with it.
1566 ln -s "${devname}" "${devname}.${fstype}"
1567 echo "${devname}.${fstype}"
1575 set_usplash_timeout ()
1577 if [ -x /sbin/usplash_write ]
1579 /sbin/usplash_write "TIMEOUT 120"
1580 else if [ -x /sbin/splashy_update ] ; then
1581 /sbin/splashy_update "TIMEOUT 120"
1587 media_mountpoint="${1}"
1589 log_begin_msg "Checking media integrity"
1591 cd ${media_mountpoint}
1592 /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
1597 if [ "${RC}" -eq 0 ]
1599 log_success_msg "Everything ok, will reboot in 10 seconds."
1602 umount ${media_mountpoint}
1604 echo u > /proc/sysrq-trigger
1605 echo b > /proc/sysrq-trigger
1607 panic "Not ok, a media defect is likely, switch to VT8 for details."
1613 if [ -x /scripts/local-top/cryptroot ]; then
1614 /scripts/local-top/cryptroot
1621 tail -f live.log >&7 &
1624 # Ensure 'panic' function is overridden
1625 . /scripts/live-functions
1631 maybe_break live-premount
1632 log_begin_msg "Running /scripts/live-premount"
1633 run_scripts /scripts/live-premount
1636 # Needed here too because some things (*cough* udev *cough*)
1637 # changes the timeout
1641 if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1645 livefs_root="${mountpoint}"
1647 panic "Unable to find a live file system on the network"
1650 if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1652 # Do a local boot from hd
1655 # Scan local devices for the image
1657 while [ "$i" -lt 60 ]
1659 livefs_root=$(find_livefs ${i})
1661 if [ -n "${livefs_root}" ]
1672 if [ -z "${livefs_root}" ]
1674 panic "Unable to find a medium containing a live file system"
1677 if [ "${INTEGRITY_CHECK}" ]
1679 integrity_check "${livefs_root}"
1685 elif [ "${TODISK}" ]
1687 live_dest="${TODISK}"
1690 if [ "${live_dest}" ]
1692 log_begin_msg "Copying live media to ${live_dest}"
1693 copy_live_to "${livefs_root}" "${live_dest}"
1697 # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
1698 # because the mountpoint is left behind in /proc/mounts, so let's get
1699 # rid of it when running from RAM
1700 if [ -n "$FROMISO" ] && [ "${TORAM}" ]
1702 losetup -d /dev/loop0
1703 grep -q /isofrom /proc/mounts && umount /isofrom
1706 if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
1708 setup_unionfs "${livefs_root}" "${rootmnt}"
1711 mac="$(echo ${mac} | sed 's/-//g')"
1712 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1717 maybe_break live-bottom
1718 log_begin_msg "Running /scripts/live-bottom\n"
1720 run_scripts /scripts/live-bottom
1726 [ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null