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 $(cat /proc/cmdline)
53 ACCESS="${ARGUMENT#access=}"
58 DEFCONSOLE="${ARGUMENT#*=}"
70 DEVICE="${ARGUMENT#ethdevice=}"
75 FETCH="${ARGUMENT#fetch=}"
80 FORCEPERSISTENTFSCK="Yes"
81 export FORCEPERSISTENTFSCK
85 HOOK="${ARGUMENT#hook=}"
90 FTPFS="${ARGUMENT#ftpfs=}"
95 HTTPFS="${ARGUMENT#httpfs=}"
100 HOSTNAME="${ARGUMENT#hostname=}"
102 export HOSTNAME LIVECONF
106 FROMISO="${ARGUMENT#*=}"
111 USERNAME="${ARGUMENT#username=}"
113 export USERNAME LIVECONF
117 USERFULLNAME="${ARGUMENT#userfullname=}"
119 export USERFULLNAME LIVECONF
128 INTEGRITY_CHECK="Yes"
129 export INTEGRITY_CHECK
133 STATICIP="${ARGUMENT#ip=}"
135 if [ -z "${STATICIP}" ]
143 keyb=*|kbd-chooser/method=*)
148 klayout=*|console-setup/layoutcode=*)
149 KLAYOUT="${ARGUMENT#*=}"
153 kvariant=*|console-setup/variantcode=*)
154 KVARIANT="${ARGUMENT#*=}"
158 kmodel=*|console-setup/modelcode=*)
159 KMODEL="${ARGUMENT#*=}"
164 KOPTIONS="${ARGUMENT#koptions=}"
173 live-media=*|bootfrom=*)
174 LIVE_MEDIA="${ARGUMENT#*=}"
178 live-media-encryption=*|encryption=*)
179 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
180 export LIVE_MEDIA_ENCRYPTION
184 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
185 export LIVE_MEDIA_OFFSET
189 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
190 export LIVE_MEDIA_PATH
193 live-media-timeout=*)
194 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
195 export LIVE_MEDIA_TIMEOUT
198 language=*|debian-installer/language=*)
199 language=${x#debian-installer/language=}
200 locale="$(lang2locale "$language")"
204 locale=*|debian-installer/locale=*)
205 LOCALE="${ARGUMENT#*=}"
210 MODULE="${ARGUMENT#module=}"
215 NETBOOT="${ARGUMENT#netboot=}"
220 NFSOPTS="${ARGUMENT#nfsopts=}"
225 NFS_COW="${ARGUMENT#nfscow=}"
230 NOACCESSIBILITY="Yes"
231 export NOACCESSIBILITY
255 NOCONSOLEKEYBOARD="Yes"
256 export NOCONSOLEKEYBOARD
280 NOKPERSONALIZER="Yes"
281 export NOKPERSONALIZER
285 NOLANGUAGESELECTOR="Yes"
286 export NOLANGUAGESELECTOR
300 NOPOWERMANAGEMENT="Yes"
301 export NOPOWERMANAGEMENT
305 NOPROGRAMCRASHES="Yes"
306 export NOPROGRAMCRASHES
325 NOUPDATENOTIFIER="Yes"
326 export NOUPDATENOTIFIER
341 export NOXSCREENSAVER
350 PERSISTENT="${ARGUMENT#persistent=}"
351 if [ -z "${PERSISTENT}" ]
359 PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
360 export PERSISTENT_PATH
363 persistent-subtext=*)
364 root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
365 home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
366 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
367 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
375 preseed/file=*|file=*)
376 LOCATION="${ARGUMENT#*=}"
386 location="${ARGUMENT#url=}"
388 mount -o bind /sys /root/sys
389 mount -o bind /proc /root/proc
390 mount -o bind /dev /root/dev
392 mkdir -p /root/var/run/network
393 [ "${NETBOOT}" ] || chroot /root dhclient eth0
394 chroot /root wget -P /tmp "${location}"
395 [ "${NETBOOT}" ] || chroot /root ifconfig eth0 down
401 LOCATION="/tmp/$(basename "${location}")"
405 question="${ARGUMENT%%=*}"
406 value="${ARGUMENT#*=}"
407 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
427 TIMEZONE="${ARGUMENT#timezone=}"
437 TODISK="${ARGUMENT#todisk=}"
448 MODULETORAM="${ARGUMENT#toram=}"
449 export TORAM MODULETORAM
463 SKIP_UNION_MOUNTS="Yes"
464 export SKIP_UNION_MOUNTS
468 ROOT="${ARGUMENT#root=}"
473 UNIONTYPE="${ARGUMENT#union=}"
478 UTC="${ARGUMENT#utc=}"
488 XDRIVER="${ARGUMENT#xdriver=}"
493 XVIDEOMODE="${ARGUMENT#xvideomode=}"
499 # sort of compatibility with netboot.h from linux docs
500 if [ -z "${NETBOOT}" ]
502 if [ "${ROOT}" = "/dev/nfs" ]
506 elif [ "${ROOT}" = "/dev/cifs" ]
513 if [ -z "${MODULE}" ]
519 if [ -z "${UNIONTYPE}" ]
530 if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
532 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
534 if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
546 if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
552 uuid="$(cat /conf/uuid.conf)"
554 for try_uuid_file in "${path}/.disk/live-uuid"*
556 [ -e "${try_uuid_file}" ] || continue
558 try_uuid="$(cat "${try_uuid_file}")"
560 if [ "${uuid}" = "${try_uuid}" ]
569 get_backing_device ()
572 *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
573 echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
581 panic "Unrecognized live filesystem: ${1}"
586 match_files_in_dir ()
588 # Does any files match pattern ${1} ?
591 if [ "$(echo ${pattern})" != "${pattern}" ]
599 mount_images_in_directory ()
606 if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
607 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
608 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
609 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
610 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
611 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
613 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
614 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
616 panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
622 sysfs_path="${1#/sys}"
624 if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-)"
627 elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
639 copyto="${copyfrom}_swap"
641 if [ -z "${MODULETORAM}" ]
643 size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
645 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
647 if [ -f "${MODULETORAMFILE}" ]
649 size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
651 log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
656 if [ "${copytodev}" = "ram" ]
659 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
660 mount_options="-o size=${size}k"
665 # it should be a writable block device
666 if [ -b "${copytodev}" ]
670 fstype=$(get_fstype "${dev}")
671 freespace=$(fs_size "${dev}")
673 log_warning_msg "${copytodev} is not a block device."
678 if [ "${freespace}" -lt "${size}" ]
680 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
684 # begin copying (or uncompressing)
686 log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
687 mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
689 if [ "${extension}" = "tgz" ]
692 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
693 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
694 mount -r -o move "${copyto}" "${rootmnt}"
697 if [ -n "${MODULETORAMFILE}" ]
701 echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
702 rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
704 cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
709 echo " * Copying whole medium to RAM" 1>/dev/console
710 rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files
712 mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
713 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH} # "cp -a" from busybox also copies hidden files
718 mount -r -o move ${copyto} ${copyfrom}
729 modprobe -q af_packet # For DHCP
731 if [ -x /sbin/udevadm ]
742 ipconfig ${DEVICE} | tee /netboot.config
744 # source relevant ipconfig output
745 OLDHOSTNAME=${HOSTNAME}
746 . /tmp/net-${DEVICE}.conf
747 [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
750 # Check if we have a network device at all
751 if ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
752 ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
753 ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
754 ! ls /sys/class/net/ra0 > /dev/null 2>&1
756 panic "No supported network device found, maybe a non-mainline driver is required."
759 if [ "${NFSROOT}" = "auto" ]
761 NFSROOT=${ROOTSERVER}:${ROOTPATH}
764 if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
770 if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
772 NFSROOT=${ROOTSERVER}:${NFSROOT}
775 log_begin_msg "Trying netboot from ${NFSROOT}"
777 if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
794 dest="${mountpoint}/${LIVE_MEDIA_PATH}"
795 mount -t ramfs ram "${mountpoint}"
798 for webfile in HTTPFS FTPFS FETCH
800 url="$(eval echo \"\$\{${webfile}\}\")"
801 extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
805 case "${extension}" in
807 if [ "${webfile}" = "FETCH" ]
811 ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
812 rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
813 lfile="$(basename $url)"
814 log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
815 tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
819 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
820 wget "${url}" -O "${dest}/$(basename ${url})"
824 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
825 if [ "${webfile}" = "FTPFS" ]
827 FUSE_MOUNT="curlftpfs"
828 url="$(dirname ${url})"
833 $FUSE_MOUNT "${url}" "${dest}"
835 [ ${?} -eq 0 ] && rc=0
836 [ "${extension}" = "tgz" ] && live_dest="ram"
841 log_begin_msg "Unrecognized archive extension for ${url}"
849 umount "${mountpoint}"
861 if [ -z "${NFSOPTS}" ]
866 log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
868 # FIXME: This while loop is an ugly HACK round an nfs bug
870 while [ "$i" -lt 60 ]
872 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
884 if [ -x "/sbin/mount.cifs" ]
886 if [ -z "${NFSOPTS}" ]
888 CIFSOPTS="-ouser=root,password="
890 CIFSOPTS="${NFSOPTS}"
893 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
896 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
910 size=$(fs_size "${fromdev}" "" "used")
912 if [ -b "${fromdev}" ]
915 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
917 todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
918 freespace=$(df -k | awk '/'${todev}'/{print $4}')
920 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
923 tomount="/mnt/tmpsnap"
925 if [ ! -d "${tomount}" ]
927 mkdir -p "${tomount}"
930 fstype=$(get_fstype "${fromdev}")
932 if [ -n "${fstype}" ]
935 mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
936 cp -a "${tomount}"/* ${todir}
939 log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
944 if echo ${fromdev} | grep -qs loop
946 losetup -d "${fromdev}"
953 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
959 # Look for ${snap_label}.* in block devices
962 if [ "${PERSISTENT}" != "nofiles" ]
964 # search for image files
965 snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.ext4 ${snap_label}.jffs2")
968 if [ -z "${snapdata}" ]
970 snapdata=$(find_cow_device "${snap_label}")
977 # copy the contents of previously found snapshot to ${snap_mount}
978 # and remember the device and filename for resync on exit in live-initramfs.init
984 if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
986 log_success_msg "found snapshot: ${snapdata}"
987 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
988 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
989 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
992 if ! try_mount "${snapdev}" "${snapback}" "ro"
997 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
999 # squashfs, jffs2 or ext2/ext3/ext4 snapshot
1000 dev=$(get_backing_device "${snapback}/${snapfile}")
1002 do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1007 zcat "${snapback}/${snapfile}" | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
1009 if [ "${RES}" != "0" ]
1011 log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
1016 umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
1018 if [ "${RES}" != "0" ]
1020 log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
1023 elif [ -b "${snapdata}" ]
1025 # Try to find if it could be a snapshot partition
1027 log_success_msg "found snapshot ${snap_type} device on ${dev}"
1028 if echo "${dev}" | grep -qs loop
1030 # strange things happens, user confused?
1031 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
1032 snapfile=$(basename ${snaploop})
1033 snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
1038 if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1040 log_warning_msg "Impossible to include the ${snap_type} Snapshot"
1043 if [ -n "${snapfile}" ]
1045 # it was a loop device, user confused
1050 log_warning_msg "Impossible to include the ${snap_type} Snapshot"
1054 echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
1060 image_directory="${1}"
1062 addimage_directory="${3}"
1063 modprobe -q -b ${UNIONTYPE}
1065 # run-init can't deal with images in a subdir, but we're going to
1066 # move all of these away before it runs anyway. No, we're not,
1067 # put them in / since move-mounting them into / breaks mono and
1072 # Let's just mount the read-only file systems first
1075 minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
1077 if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
1079 # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
1081 elif [ "${UNIONTYPE}" = "aufs" ]
1088 if [ -z "${PLAIN_ROOT}" ]
1090 # Read image names from ${MODULE}.module if it exists
1091 if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
1093 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
1095 image_string="${image_string} ${image_directory}/${IMAGE}"
1097 elif [ -e "${image_directory}/${MODULE}.module" ]
1099 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
1101 image_string="${image_string} ${image_directory}/${IMAGE}"
1104 # ${MODULE}.module does not exist, create a list of images
1105 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1107 for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1109 if [ -e "${IMAGE}" ]
1111 image_string="${image_string} ${IMAGE}"
1116 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1118 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1120 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1122 if [ -e "${IMAGE}" ]
1124 image_string="${image_string} ${IMAGE}"
1131 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1134 [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1138 for image in ${image_string}
1140 imagename=$(basename "${image}")
1142 export image devname
1143 maybe_break live-realpremount
1144 log_begin_msg "Running /scripts/live-realpremount"
1145 run_scripts /scripts/live-realpremount
1148 if [ -d "${image}" ]
1150 # it is a plain directory: do nothing
1151 rofsstring="${image}=${roopt}:${rofsstring}"
1152 rofslist="${image} ${rofslist}"
1153 elif [ -f "${image}" ]
1155 if losetup --help 2>&1 | grep -q -- "-r\b"
1157 backdev=$(get_backing_device "${image}" "-r")
1159 backdev=$(get_backing_device "${image}")
1161 fstype=$(get_fstype "${backdev}")
1163 if [ "${fstype}" = "unknown" ]
1165 panic "Unknown file system type on ${backdev} (${image})"
1168 if [ -z "${fstype}" ]
1170 fstype="${imagename##*.}"
1171 log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1174 mkdir -p "${croot}/${imagename}"
1175 log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
1176 mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
1181 # we have a plain root system
1182 mkdir -p "${croot}/filesystem"
1183 log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
1184 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}"
1186 mount -o bind ${croot}/filesystem $mountpoint
1190 rofsstring=${rofsstring%:}
1194 # Looking for "${root_persistence}" device or file
1195 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1198 num_block=$(ls -l /sys/block | wc -l)
1199 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1201 modprobe -q -b ${module}
1204 if [ -x /sbin/udevadm ]
1215 # For some reason, udevsettle does not block in this scenario,
1216 # so we sleep for a little while.
1218 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1219 for timeout in 5 4 3 2 1
1223 if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1229 # search for label and files (this could be hugely optimized)
1230 cowprobe=$(find_cow_device "${root_persistence}")
1231 if [ -b "${cowprobe}" ]
1233 # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
1234 # makes sense to have both persistence for /cow and /home mounted, maybe also with
1235 # snapshots to be sure to really store some e.g key config files,
1236 # but not on the same media
1237 blacklistdev="${cowprobe}"
1238 PERSISTENCE_IS_ON="1"
1239 export PERSISTENCE_IS_ON
1241 # homecow just mount something on /home, this should be generalized some way
1242 homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
1243 if [ -b "${homecow}" ]
1245 PERSISTENCE_IS_ON="1"
1246 export PERSISTENCE_IS_ON
1248 root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
1249 # This second type should be removed when snapshot will get smarter,
1250 # hence when "/etc/live-snapshot*list" will be supported also by
1251 # ext2|ext3|ext4|jffs2 snapshot types.
1252 home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
1254 if [ -b "${cowprobe}" ]
1256 cowdevice=${cowprobe}
1257 cow_fstype=$(get_fstype "${cowprobe}")
1258 cow_mountopt="rw,noatime"
1260 if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
1262 fsck -y ${cowdevice}
1265 log_warning_msg "Unable to find the persistent medium"
1268 cow_mountopt="rw,noatime,mode=755"
1270 elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1272 # check if there are any nfs options
1273 if echo ${NFS_COW}|grep -q ','
1275 nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1276 nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1278 nfs_cow_opts="-o nolock"
1284 cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1287 panic "unable to determine mac address"
1292 cow_mountopt="rw,noatime,mode=755"
1295 if [ "${cow_fstype}" = "nfs" ]
1298 "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1299 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1300 panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1302 mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1303 panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1306 rofscount=$(echo ${rofslist} |wc -w)
1308 if [ -n "${EXPOSED_ROOT}" ]
1310 if [ ${rofscount} -ne 1 ]
1312 panic "only one RO file system supported with exposedroot: ${rofslist}"
1314 exposedrootfs=${rofslist%% }
1316 mount --bind ${exposedrootfs} ${rootmnt} || \
1317 panic "bind mount of ${exposedrootfs} failed"
1319 if [ -z "${SKIP_UNION_MOUNTS}" ]
1321 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
1326 for dir in ${cow_dirs}; do
1328 mount -t ${UNIONTYPE} \
1329 -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
1330 ${UNIONTYPE} "${rootmnt}${dir}" || \
1331 panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
1332 rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
1335 mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
1336 ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
1337 ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
1340 # Correct the permissions of /:
1341 chmod 0755 "${rootmnt}"
1343 # tmpfs file systems
1345 mkdir -p "${rootmnt}/live"
1346 mount -t tmpfs tmpfs ${rootmnt}/live
1348 # Adding other custom mounts
1349 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1351 # directly mount /home
1352 # FIXME: add a custom mounts configurable system
1354 if [ -b "${homecow}" ]
1356 mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1357 export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1359 log_warning_msg "Unable to find the persistent home medium"
1362 # Look for other snapshots to copy in
1363 try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
1364 # This second type should be removed when snapshot grow smarter
1365 try_snap "${home_snapdata}" "${rootmnt}/home" "HOME"
1368 if [ -n "${SHOWMOUNTS}" ]
1370 for d in ${rofslist}
1372 mkdir -p "${rootmnt}/live/${d##*/}"
1376 # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1380 mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1386 # shows cow fs on /cow for use by live-snapshot
1387 mkdir -p "${rootmnt}/live/cow"
1388 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 ${rootmnt}/live/cow"
1395 skip_uuid_check="${3}"
1397 # support for fromiso=.../isofrom=....
1398 if [ -n "$FROMISO" ]
1401 ISO_DEVICE="$(echo $FROMISO | sed 's|\(/dev/[a-z]*[0-9]*\).*|\1|')"
1402 mount "$ISO_DEVICE" /isofrom
1403 ISO_NAME="$(echo $FROMISO | sed 's|/dev/[a-z]*[0-9]*/||')"
1404 loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
1405 devname="${loopdevname}"
1408 if [ -z "${devname}" ]
1410 devname=$(sys2dev "${sysdev}")
1413 if [ -d "${devname}" ]
1415 mount -o bind "${devname}" $mountpoint || continue
1417 if is_live_path $mountpoint
1426 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1428 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1429 devname="${loopdevname}"
1432 fstype=$(get_fstype "${devname}")
1434 if is_supported_fs ${fstype}
1436 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1438 if is_live_path ${mountpoint} && \
1439 ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1444 umount ${mountpoint}
1448 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1450 losetup -d "${loopdevname}"
1460 # don't start autodetection before timeout has expired
1461 if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1463 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1469 # first look at the one specified in the command line
1470 case "${LIVE_MEDIA}" in
1472 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1474 if [ "$(cat ${sysblock}/removable)" = "1" ]
1476 if readlink ${sysblock} | grep -q usb ||
1477 readlink ${sysblock}/device | grep -q usb # linux < 2.6.29
1479 for dev in $(subdevices "${sysblock}")
1481 if check_dev "${dev}"
1492 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1494 if [ "$(cat ${sysblock}/removable)" = "1" ]
1496 for dev in $(subdevices "${sysblock}")
1498 if check_dev "${dev}"
1508 if [ ! -z "${LIVE_MEDIA}" ]
1510 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1518 # or do the scan of block devices
1519 for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
1521 devname=$(sys2dev "${sysblock}")
1522 fstype=$(get_fstype "${devname}")
1524 if /lib/udev/cdrom_id ${devname} > /dev/null
1526 if check_dev "null" "${devname}"
1530 elif is_nice_device "${sysblock}"
1532 for dev in $(subdevices "${sysblock}")
1534 if check_dev "${dev}"
1539 elif [ "${fstype}" = "squashfs" -o \
1540 "${fstype}" = "ext2" -o \
1541 "${fstype}" = "ext3" -o \
1542 "${fstype}" = "ext4" -o \
1543 "${fstype}" = "jffs2" ]
1545 # This is an ugly hack situation, the block device has
1546 # an image directly on it. It's hopefully
1547 # live-initramfs, so take it and run with it.
1548 ln -s "${devname}" "${devname}.${fstype}"
1549 echo "${devname}.${fstype}"
1557 set_usplash_timeout ()
1559 if [ -x /sbin/usplash_write ]
1561 /sbin/usplash_write "TIMEOUT 120"
1562 else if [ -x /sbin/splashy_update ] ; then
1563 /sbin/splashy_update "TIMEOUT 120"
1569 media_mountpoint="${1}"
1571 log_begin_msg "Checking media integrity"
1573 cd ${media_mountpoint}
1574 /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
1579 if [ "${RC}" -eq 0 ]
1581 log_success_msg "Everything ok, will reboot in 10 seconds."
1584 umount ${media_mountpoint}
1586 echo u > /proc/sysrq-trigger
1587 echo b > /proc/sysrq-trigger
1589 panic "Not ok, a media defect is likely, switch to VT8 for details."
1595 if [ -x /scripts/local-top/cryptroot ]; then
1596 /scripts/local-top/cryptroot
1603 tail -f live.log >&7 &
1606 # Ensure 'panic' function is overridden
1607 . /scripts/live-functions
1613 maybe_break live-premount
1614 log_begin_msg "Running /scripts/live-premount"
1615 run_scripts /scripts/live-premount
1618 # Needed here too because some things (*cough* udev *cough*)
1619 # changes the timeout
1623 if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1627 livefs_root="${mountpoint}"
1629 panic "Unable to find a live file system on the network"
1632 if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1634 # Do a local boot from hd
1637 # Scan local devices for the image
1639 while [ "$i" -lt 60 ]
1641 livefs_root=$(find_livefs ${i})
1643 if [ -n "${livefs_root}" ]
1654 if [ -z "${livefs_root}" ]
1656 panic "Unable to find a medium containing a live file system"
1659 if [ "${INTEGRITY_CHECK}" ]
1661 integrity_check "${livefs_root}"
1667 elif [ "${TODISK}" ]
1669 live_dest="${TODISK}"
1672 if [ "${live_dest}" ]
1674 log_begin_msg "Copying live media to ${live_dest}"
1675 copy_live_to "${livefs_root}" "${live_dest}"
1679 # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
1680 # because the mountpoint is left behind in /proc/mounts, so let's get
1681 # rid of it when running from RAM
1682 if [ -n "$FROMISO" ] && [ "${TORAM}" ]
1684 losetup -d /dev/loop0
1685 grep -q /isofrom /proc/mounts && umount /isofrom
1688 if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
1690 setup_unionfs "${livefs_root}" "${rootmnt}"
1693 mac="$(echo ${mac} | sed 's/-//g')"
1694 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1699 maybe_break live-bottom
1700 log_begin_msg "Running /scripts/live-bottom\n"
1702 run_scripts /scripts/live-bottom
1708 [ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null