diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/live | 1700 | ||||
| -rwxr-xr-x | scripts/live-bottom/08persistence_excludes | 77 | ||||
| -rwxr-xr-x | scripts/live-bottom/10validateroot | 29 | ||||
| -rwxr-xr-x | scripts/live-bottom/12fstab | 89 | ||||
| -rwxr-xr-x | scripts/live-bottom/23networking | 157 | ||||
| -rw-r--r-- | scripts/live-functions | 111 | ||||
| -rw-r--r-- | scripts/live-helpers | 1609 | ||||
| -rwxr-xr-x | scripts/live-premount/modules | 32 | ||||
| -rwxr-xr-x | scripts/live-premount/readonly | 35 | ||||
| -rwxr-xr-x | scripts/live-premount/select_eth_device | 102 |
10 files changed, 0 insertions, 3941 deletions
diff --git a/scripts/live b/scripts/live deleted file mode 100755 index 83114a2..0000000 --- a/scripts/live +++ /dev/null @@ -1,1700 +0,0 @@ -#!/bin/sh - -# set -e - -export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin" - -echo "/root/lib" >> /etc/ld.so.conf -echo "/root/usr/lib" >> /etc/ld.so.conf - -mountpoint="/live/image" -alt_mountpoint="/media" -LIVE_MEDIA_PATH="live" - -HOSTNAME="host" - -mkdir -p "${mountpoint}" -tried="/tmp/tried" - -# Create /etc/mtab for debug purpose and future syncs -if [ ! -d /etc ] -then - mkdir /etc/ -fi - -if [ ! -f /etc/mtab ] -then - touch /etc/mtab -fi - -. /scripts/live-helpers - -if [ ! -f /live.vars ] -then - touch /live.vars -fi - -is_live_path () -{ - DIRECTORY="${1}" - - if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ] - then - for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2 - do - if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ] - then - return 0 - fi - done - fi - - return 1 -} - -matches_uuid () -{ - if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ] - then - return 0 - fi - - path="${1}" - uuid="$(cat /conf/uuid.conf)" - - for try_uuid_file in "${path}/.disk/live-uuid"* - do - [ -e "${try_uuid_file}" ] || continue - - try_uuid="$(cat "${try_uuid_file}")" - - if [ "${uuid}" = "${try_uuid}" ] - then - return 0 - fi - done - - return 1 -} - -get_backing_device () -{ - case "${1}" in - *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2) - echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}") - ;; - - *.dir) - echo "directory" - ;; - - *) - panic "Unrecognized live filesystem: ${1}" - ;; - esac -} - -match_files_in_dir () -{ - # Does any files match pattern ${1} ? - local pattern="${1}" - - if [ "$(echo ${pattern})" != "${pattern}" ] - then - return 0 - fi - - return 1 -} - -mount_images_in_directory () -{ - directory="${1}" - rootmnt="${2}" - mac="${3}" - - - if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir" - then - [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}" - setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}" - else - panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}." - fi -} - -is_nice_device () -{ - sysfs_path="${1#/sys}" - - if [ -e /lib/udev/path_id ] - then - # squeeze - PATH_ID="/lib/udev/path_id" - else - # wheezy/sid (udev >= 174) - PATH_ID="/sbin/udevadm test-builtin path_id" - fi - - 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)" - then - return 0 - elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$' - then - return 0 - elif echo ${sysfs_path} | grep -q "^/block/dm-" - then - return 0 - elif echo ${sysfs_path} | grep -q "^/block/mtdblock" - then - return 0 - fi - - return 1 -} - -copy_live_to () -{ - copyfrom="${1}" - copytodev="${2}" - copyto="${copyfrom}_swap" - - if [ -z "${MODULETORAM}" ] - then - size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used") - else - MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}" - - if [ -f "${MODULETORAMFILE}" ] - then - size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 ) - else - log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read." - return 1 - fi - fi - - if [ "${copytodev}" = "ram" ] - then - # copying to ram: - freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo) - mount_options="-o size=${size}k" - free_string="memory" - fstype="tmpfs" - dev="/dev/shm" - else - # it should be a writable block device - if [ -b "${copytodev}" ] - then - dev="${copytodev}" - free_string="space" - fstype=$(get_fstype "${dev}") - freespace=$(fs_size "${dev}") - else - log_warning_msg "${copytodev} is not a block device." - return 1 - fi - fi - - if [ "${freespace}" -lt "${size}" ] - then - log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}." - return 1 - fi - - # Custom ramdisk size - if [ -z "${mount_options}" ] && [ -n "${ramdisk_size}" ] - then - # FIXME: should check for wrong values - mount_options="-o size=${ramdisk_size}" - fi - - # begin copying (or uncompressing) - mkdir "${copyto}" - log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}" - mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}" - - if [ "${extension}" = "tgz" ] - then - cd "${copyto}" - tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})" - rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})" - mount -r -o move "${copyto}" "${rootmnt}" - cd "${OLDPWD}" - else - if [ -n "${MODULETORAMFILE}" ] - then - if [ -x /bin/rsync ] - then - echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console - rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module - else - cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module - fi - else - if [ -x /bin/rsync ] - then - echo " * Copying whole medium to RAM" 1>/dev/console - rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files - else - mkdir -p ${copyto}/${LIVE_MEDIA_PATH} - cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH} - if [ -e ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ] - then - cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ${copyto} - fi - fi - fi - - umount ${copyfrom} - mount -r -o move ${copyto} ${copyfrom} - fi - - rmdir ${copyto} - return 0 -} - -do_netsetup () -{ - modprobe -q af_packet # For DHCP - - udevadm trigger - udevadm settle - - [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15 - echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration." - - if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \ - [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ] - then - - - # support for Syslinux IPAPPEND parameter - # it sets the BOOTIF variable on the kernel parameter - - if [ -n "${BOOTIF}" ] - then - # pxelinux sets BOOTIF to a value based on the mac address of the - # network card used to PXE boot, so use this value for DEVICE rather - # than a hard-coded device name from initramfs.conf. this facilitates - # network booting when machines may have multiple network cards. - # pxelinux sets BOOTIF to 01-$mac_address - - # strip off the leading "01-", which isn't part of the mac - # address - temp_mac=${BOOTIF#*-} - - # convert to typical mac address format by replacing "-" with ":" - bootif_mac="" - IFS='-' - for x in $temp_mac - do - if [ -z "$bootif_mac" ] - then - bootif_mac="$x" - else - bootif_mac="$bootif_mac:$x" - fi - done - unset IFS - - # look for devices with matching mac address, and set DEVICE to - # appropriate value if match is found. - - for device in /sys/class/net/* - do - if [ -f "$device/address" ] - then - current_mac=$(cat "$device/address") - - if [ "$bootif_mac" = "$current_mac" ] - then - DEVICE=${device##*/} - break - fi - fi - done - fi - - # if ethdevice was not specified on the kernel command line - # make sure we try to get a working network configuration - # for *every* present network device (except for loopback of course) - if [ -z "$ETHDEVICE" ] ; then - echo "If you want to boot from a specific device use bootoption ethdevice=..." - for device in /sys/class/net/*; do - dev=${device##*/} ; - if [ "$dev" != "lo" ] ; then - ETHDEVICE="$ETHDEVICE $dev" - fi - done - fi - - # split args of ethdevice=eth0,eth1 into "eth0 eth1" - for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do - devlist="$devlist $device" - done - - # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into - # an endless loop; if execution fails give it two further tries, that's - # why we use '$devlist $devlist $devlist' for the other for loop - for dev in $devlist $devlist $devlist ; do - echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev" - ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config & - jobid=$! - sleep "$ETHDEV_TIMEOUT" ; sleep 1 - if [ -r /proc/"$jobid"/status ] ; then - echo "Killing job $jobid for device $dev as ipconfig ran into recursion..." - kill -9 $jobid - fi - - # if configuration of device worked we should have an assigned - # IP address, if so let's use the device as $DEVICE for later usage. - # simple and primitive approach which seems to work fine - if ifconfig $dev | grep -q 'inet.*addr:' ; then - export DEVICE="$dev" - break - fi - done - - else - for interface in ${DEVICE}; do - ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config - [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf - if [ "$IPV4ADDR" != "0.0.0.0" ] - then - break - fi - done - fi - - for interface in ${DEVICE}; do - # source relevant ipconfig output - OLDHOSTNAME=${HOSTNAME} - [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf - [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME} - export HOSTNAME - - if [ -n "${interface}" ] - then - HWADDR="$(cat /sys/class/net/${interface}/address)" - fi - - if [ ! -e "/etc/resolv.conf" ] - then - echo "Creating /etc/resolv.conf" - - if [ -n "${DNSDOMAIN}" ] - then - echo "domain ${DNSDOMAIN}" > /etc/resolv.conf - echo "search ${DNSDOMAIN}" >> /etc/resolv.conf - fi - - for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1} - do - if [ -n "$i" ] && [ "$i" != 0.0.0.0 ] - then - echo "nameserver $i" >> /etc/resolv.conf - fi - done - fi - - # Check if we have a network device at all - if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \ - ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \ - ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \ - ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \ - ! ls /sys/class/net/ra0 > /dev/null 2>&1 - then - panic "No supported network device found, maybe a non-mainline driver is required." - fi - done -} - -do_netmount() -{ - do_netsetup - - if [ "${NFSROOT}" = "auto" ] - then - NFSROOT=${ROOTSERVER}:${ROOTPATH} - fi - - rc=1 - - if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) - then - do_httpmount - return $? - fi - - if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ] - then - NFSROOT=${ROOTSERVER}:${NFSROOT} - fi - - log_begin_msg "Trying netboot from ${NFSROOT}" - - if [ "${NETBOOT}" != "nfs" ] && do_cifsmount - then - rc=0 - elif do_nfsmount - then - NETBOOT="nfs" - export NETBOOT - rc=0 - fi - - log_end_msg - return ${rc} -} - -do_iscsi() -{ - do_netsetup - #modprobe ib_iser - modprobe iscsi_tcp - local debugopt="" - [ "${DEBUG}" = "Yes" ] && debugopt="-d 8" - #FIXME this name is supposed to be unique - some date + ifconfig hash? - ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)" - export ISCSI_INITIATORNAME - if [ -n "${ISCSI_SERVER}" ] ; then - iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}" - else - iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260 - fi - if [ $? != 0 ] - then - panic "Failed to log into iscsi target" - fi - local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \ - /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')" - if [ -n "${host}" ] - then - local devices="" - local i=0 - while [ -z "${devices}" -a $i -lt 60 ] - do - sleep 1 - devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \ - /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')" - i=$(expr $i + 1) - echo -ne $i\\r - done - for dev in $devices - do - if check_dev "null" "/dev/$dev" - then - NETBOOT="iscsi" - export NETBOOT - return 0; - fi - done - panic "Failed to locate a live device on iSCSI devices (tried: $devices)." - else - panic "Failed to locate iSCSI host in /sys" - fi -} - -do_httpmount () -{ - rc=1 - - for webfile in HTTPFS FTPFS FETCH - do - local url="$(eval echo \"\$\{${webfile}\}\")" - local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')" - - if [ -n "$url" ] - then - case "${extension}" in - iso|squashfs|tgz|tar) - if [ "${extension}" = "iso" ] - then - mkdir -p "${alt_mountpoint}" - dest="${alt_mountpoint}" - else - local dest="${mountpoint}/${LIVE_MEDIA_PATH}" - mount -t ramfs ram "${mountpoint}" - mkdir -p "${dest}" - fi - if [ "${webfile}" = "FETCH" ] - then - case "$url" in - tftp*) - ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')" - rfile="$(echo $url | sed -e "s|tftp://$ip||g")" - lfile="$(basename $url)" - log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip" - tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip - ;; - - *) - log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})" - wget "${url}" -O "${dest}/$(basename ${url})" - ;; - esac - else - log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})" - if [ "${webfile}" = "FTPFS" ] - then - FUSE_MOUNT="curlftpfs" - url="$(dirname ${url})" - else - FUSE_MOUNT="httpfs" - fi - modprobe fuse - $FUSE_MOUNT "${url}" "${dest}" - ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )" - fi - [ ${?} -eq 0 ] && rc=0 - [ "${extension}" = "tgz" ] && live_dest="ram" - if [ "${extension}" = "iso" ] - then - isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '') - mount -t iso9660 "${isoloop}" "${mountpoint}" - rc=${?} - fi - break - ;; - - *) - log_begin_msg "Unrecognized archive extension for ${url}" - ;; - esac - fi - done - - if [ ${rc} != 0 ] - then - if [ -d "${alt_mountpoint}" ] - then - umount "${alt_mountpoint}" - rmdir "${alt_mountpoint}" - fi - umount "${mountpoint}" - elif [ "${webfile}" != "FETCH" ] ; then - NETBOOT="${webfile}" - export NETBOOT - fi - - return ${rc} -} - -do_nfsmount () -{ - rc=1 - - modprobe -q nfs - - if [ -n "${NFSOPTS}" ] - then - NFSOPTS="-o ${NFSOPTS}" - fi - - log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}" - - # FIXME: This while loop is an ugly HACK round an nfs bug - i=0 - while [ "$i" -lt 60 ] - do - nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break - sleep 1 - i="$(($i + 1))" - done - - return ${rc} -} - -do_cifsmount () -{ - rc=1 - - if [ -x "/sbin/mount.cifs" ] - then - if [ -z "${NFSOPTS}" ] - then - CIFSOPTS="-ouser=root,password=" - else - CIFSOPTS="-o ${NFSOPTS}" - fi - - log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}" - modprobe -q cifs - - if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}" - then - rc=0 - fi - fi - - return ${rc} -} - -do_snap_copy () -{ - fromdev="${1}" - todir="${2}" - snap_type="${3}" - size=$(fs_size "${fromdev}" "" "used") - - if [ -b "${fromdev}" ] - then - log_success_msg "Copying snapshot ${fromdev} to ${todir}..." - - # look for free mem - if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ] - then - todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts) - freespace=$(df -k | awk '/'${todev}'/{print $4}') - else - freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo) - fi - - tomount="/mnt/tmpsnap" - - if [ ! -d "${tomount}" ] - then - mkdir -p "${tomount}" - fi - - fstype=$(get_fstype "${fromdev}") - - if [ -n "${fstype}" ] - then - # Copying stuff... - mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}" - cp -a "${tomount}"/* ${todir} - umount "${tomount}" - else - log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}" - fi - - rmdir "${tomount}" - - if echo ${fromdev} | grep -qs loop - then - losetup -d "${fromdev}" - fi - - return 0 - else - log_warning_msg "Unable to find the snapshot ${snap_type} medium" - return 1 - fi -} - -try_snap () -{ - # copy the contents of previously found snapshot to ${snap_mount} - # and remember the device and filename for resync on exit in live-boot.init - - snapdata="${1}" - snap_mount="${2}" - snap_type="${3}" - snap_relpath="${4}" - - if [ -z "${snap_relpath}" ] - then - # root snapshot, default usage - snap_relpath="/" - else - # relative snapshot (actually used just for "/home" snapshots) - snap_mount="${2}${snap_relpath}" - fi - - if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ] - then - log_success_msg "found snapshot: ${snapdata}" - snapdev="$(echo ${snapdata} | cut -f1 -d ' ')" - snapback="$(echo ${snapdata} | cut -f2 -d ' ')" - snapfile="$(echo ${snapdata} | cut -f3 -d ' ')" - - if ! try_mount "${snapdev}" "${snapback}" "ro" - then - break - fi - - RES="0" - - if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)' - then - # squashfs, jffs2 or ext2/ext3/ext4 snapshot - dev=$(get_backing_device "${snapback}/${snapfile}") - - do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" - RES="$?" - else - # cpio.gz snapshot - - # Unfortunately klibc's cpio is incompatible with the - # rest of the world; everything else requires -u -d, - # while klibc doesn't implement them. Try to detect - # whether it's in use. - cpiopath="$(which cpio)" || true - if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath" - then - cpioargs= - else - cpioargs='--unconditional --make-directories' - fi - - if [ -s "${snapback}/${snapfile}" ] - then - BEFOREDIR="$(pwd)" - cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null - RES="$?" - cd "${BEFOREDIR}" - else - log_warning_msg "${snapback}/${snapfile} is empty, adding it for sync on reboot." - RES="0" - fi - - if [ "${RES}" != "0" ] - then - log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\"" - fi - fi - - umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\"" - - if [ "${RES}" != "0" ] - then - log_warning_msg "Impossible to include the ${snapfile} Snapshot file" - fi - - elif [ -b "${snapdata}" ] - then - # Try to find if it could be a snapshot partition - dev="${snapdata}" - log_success_msg "found snapshot ${snap_type} device on ${dev}" - if echo "${dev}" | grep -qs loop - then - # strange things happens, user confused? - snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' ) - snapfile=$(basename ${snaploop}) - snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts) - else - snapdev="${dev}" - fi - - if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" - then - log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)" - return 1 - else - if [ -n "${snapfile}" ] - then - # it was a loop device, user confused - umount ${snapdev} - fi - fi - else - log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)" - return 1 - fi - - if [ -z ${PERSISTENCE_READONLY} ] - then - echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt - fi - return 0 -} - -setup_unionfs () -{ - image_directory="${1}" - rootmnt="${2}" - addimage_directory="${3}" - - case ${UNIONTYPE} in - aufs|unionfs|overlayfs) - modprobe -q -b ${UNIONTYPE} - - if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ] - then - echo "${UNIONTYPE} not available, falling back to unionfs-fuse." - echo "This might be really slow." - - UNIONTYPE="unionfs-fuse" - fi - ;; - esac - - if [ "${UNIONTYPE}" = unionfs-fuse ] - then - modprobe fuse - fi - - # run-init can't deal with images in a subdir, but we're going to - # move all of these away before it runs anyway. No, we're not, - # put them in / since move-mounting them into / breaks mono and - # some other apps. - - croot="/" - - # Let's just mount the read-only file systems first - rofslist="" - - if [ -z "${PLAIN_ROOT}" ] - then - # Read image names from ${MODULE}.module if it exists - if [ -e "${image_directory}/filesystem.${MODULE}.module" ] - then - for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module) - do - image_string="${image_string} ${image_directory}/${IMAGE}" - done - elif [ -e "${image_directory}/${MODULE}.module" ] - then - for IMAGE in $(cat ${image_directory}/${MODULE}.module) - do - image_string="${image_string} ${image_directory}/${IMAGE}" - done - else - # ${MODULE}.module does not exist, create a list of images - for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir - do - for IMAGE in "${image_directory}"/*."${FILESYSTEM}" - do - if [ -e "${IMAGE}" ] - then - image_string="${image_string} ${IMAGE}" - fi - done - done - - if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ] - then - for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir - do - for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}" - do - if [ -e "${IMAGE}" ] - then - image_string="${image_string} ${IMAGE}" - fi - done - done - fi - - # Now sort the list - image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )" - fi - - [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})" - - mkdir -p "${croot}" - - for image in ${image_string} - do - imagename=$(basename "${image}") - - export image devname - maybe_break live-realpremount - log_begin_msg "Running /scripts/live-realpremount" - run_scripts /scripts/live-realpremount - log_end_msg - - if [ -d "${image}" ] - then - # it is a plain directory: do nothing - rofslist="${image} ${rofslist}" - elif [ -f "${image}" ] - then - if losetup --help 2>&1 | grep -q -- "-r\b" - then - backdev=$(get_backing_device "${image}" "-r") - else - backdev=$(get_backing_device "${image}") - fi - fstype=$(get_fstype "${backdev}") - - if [ "${fstype}" = "unknown" ] - then - panic "Unknown file system type on ${backdev} (${image})" - fi - - if [ -z "${fstype}" ] - then - fstype="${imagename##*.}" - log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}." - fi - - if [ "${UNIONTYPE}" != "unionmount" ] - then - mpoint="${croot}/${imagename}" - rofslist="${mpoint} ${rofslist}" - else - mpoint="${rootmnt}" - rofslist="${rootmnt} ${rofslist}" - fi - mkdir -p "${mpoint}" - log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\"" - mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}" - log_end_msg - fi - done - else - # we have a plain root system - mkdir -p "${croot}/filesystem" - log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\"" - mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || \ - panic "Can not mount ${image_directory} on ${croot}/filesystem" && \ - rofslist="${croot}/filesystem ${rofslist}" - # probably broken: - mount -o bind ${croot}/filesystem $mountpoint - log_end_msg - fi - - # tmpfs file systems - touch /etc/fstab - mkdir -p /live - mount -t tmpfs tmpfs /live - mkdir -p /live/overlay - - # Looking for persistence devices or files - if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] - then - - if [ -z "${QUICKUSBMODULES}" ] - then - # Load USB modules - num_block=$(ls -l /sys/block | wc -l) - for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage - do - modprobe -q -b ${module} - done - - udevadm trigger - udevadm settle - - # For some reason, udevsettle does not block in this scenario, - # so we sleep for a little while. - # - # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591 - for timeout in 5 4 3 2 1 - do - sleep 1 - - if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ] - then - break - fi - done - fi - - case "${PERSISTENCE_MEDIA}" in - removable) - whitelistdev="$(removable_dev)" - ;; - removable-usb) - whitelistdev="$(removable_usb_dev)" - ;; - *) - whitelistdev="" - ;; - esac - - if is_in_comma_sep_list overlay ${PERSISTENCE_METHOD} - then - overlays="${old_root_overlay_label} ${old_home_overlay_label} ${custom_overlay_label}" - fi - - if is_in_comma_sep_list snapshot ${PERSISTENCE_METHOD} - then - snapshots="${root_snapshot_label} ${home_snapshot_label}" - fi - - local root_snapdata="" - local home_snapdata="" - local overlay_devices="" - for media in $(find_persistence_media "${overlays}" "${snapshots}" "${whitelistdev}") - do - media="$(echo ${media} | tr ":" " ")" - case ${media} in - ${root_snapshot_label}=*|${old_root_snapshot_label}=*) - if [ -z "${root_snapdata}" ] - then - root_snapdata="${media#*=}" - fi - ;; - ${home_snapshot_label}=*) - # This second type should be removed when snapshot will get smarter, - # hence when "/etc/live-snapshot*list" will be supported also by - # ext2|ext3|ext4|jffs2 snapshot types. - if [ -z "${home_snapdata}" ] - then - home_snapdata="${media#*=}" - fi - ;; - ${old_root_overlay_label}=*) - device="${media#*=}" - fix_backwards_compatibility ${device} / union - overlay_devices="${overlay_devices} ${device}" - ;; - ${old_home_overlay_label}=*) - device="${media#*=}" - fix_backwards_compatibility ${device} /home bind - overlay_devices="${overlay_devices} ${device}" - ;; - ${custom_overlay_label}=*) - device="${media#*=}" - overlay_devices="${overlay_devices} ${device}" - ;; - esac - done - elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENCE}" ] - then - # check if there are any nfs options - if echo ${NFS_COW}|grep -q ',' - then - nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)" - nfs_cow=$(echo ${NFS_COW}|cut -d, -f1) - else - nfs_cow_opts="-o nolock" - nfs_cow=${NFS_COW} - fi - - if [ -n "${PERSISTENCE_READONLY}" ] - then - nfs_cow_opts="${nfs_cow_opts},nocto,ro" - fi - - mac="$(get_mac)" - if [ -n "${mac}" ] - then - cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/") - cow_fstype="nfs" - else - panic "unable to determine mac address" - fi - fi - - if [ -z "${cowdevice}" ] - then - cowdevice="tmpfs" - cow_fstype="tmpfs" - cow_mountopt="rw,noatime,mode=755" - fi - - if [ "${UNIONTYPE}" != "unionmount" ] - then - if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ] - then - mount -t tmpfs -o rw,noatime,mode=755 tmpfs "/live/overlay" - root_backing="/live/persistence/$(basename ${cowdevice})-root" - mkdir -p ${root_backing} - else - root_backing="/live/overlay" - fi - - if [ "${cow_fstype}" = "nfs" ] - then - log_begin_msg \ - "Trying nfsmount ${nfs_cow_opts} ${cowdevice} ${root_backing}" - nfsmount ${nfs_cow_opts} ${cowdevice} ${root_backing} || \ - panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on ${root_backing}" - else - mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} ${root_backing} || \ - panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on ${root_backing}" - fi - fi - - rofscount=$(echo ${rofslist} |wc -w) - - rofs=${rofslist%% } - - if [ -n "${EXPOSED_ROOT}" ] - then - if [ ${rofscount} -ne 1 ] - then - panic "only one RO file system supported with exposedroot: ${rofslist}" - fi - - mount --bind ${rofs} ${rootmnt} || \ - panic "bind mount of ${rofs} failed" - - if [ -z "${SKIP_UNION_MOUNTS}" ] - then - cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live' - else - cow_dirs='' - fi - else - cow_dirs="/" - fi - - if [ "${cow_fstype}" != "tmpfs" ] && [ "${cow_dirs}" != "/" ] && [ "${UNIONTYPE}" = "unionmount" ] - then - true # FIXME: Maybe it does, I don't really know. - #panic "unionmount does not support subunions (${cow_dirs})." - fi - - for dir in ${cow_dirs}; do - unionmountpoint="${rootmnt}${dir}" - mkdir -p ${unionmountpoint} - if [ "${UNIONTYPE}" = "unionmount" ] - then - # FIXME: handle PERSISTENCE_READONLY - unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}" - mount_full $unionmountopts "${unionmountpoint}" - else - cow_dir="/live/overlay${dir}" - rofs_dir="${rofs}${dir}" - mkdir -p ${cow_dir} - if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ] - then - do_union ${unionmountpoint} ${cow_dir} ${root_backing} ${rofs_dir} - else - do_union ${unionmountpoint} ${cow_dir} ${rofs_dir} - fi - fi || panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}" - done - - # Correct the permissions of /: - chmod 0755 "${rootmnt}" - - live_rofs_list="" - # SHOWMOUNTS is necessary for custom mounts with the union option - # Since we may want to do custom mounts in user-space it's best to always enable SHOWMOUNTS - if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] 1) - then - # XXX: is the for loop really necessary? rofslist can only contain one item (see above XXX about EXPOSEDROOT) and this is also assumed elsewhere above (see use of $rofs above). - for d in ${rofslist} - do - live_rofs="/live/rofs/${d##*/}" - live_rofs_list="${live_rofs_list} ${live_rofs}" - mkdir -p "${live_rofs}" - case d in - *.dir) - # do nothing # mount -o bind "${d}" "${live_rofs}" - ;; - *) - case "${UNIONTYPE}" in - unionfs-fuse) - mount -o bind "${d}" "${live_rofs}" - ;; - *) - mount -o move "${d}" "${live_rofs}" - ;; - esac - ;; - esac - done - fi - - # Adding custom persistence - if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] - then - local custom_mounts="/tmp/custom_mounts.list" - rm -rf ${custom_mounts} 2> /dev/null - - # Gather information about custom mounts from devies detected as overlays - get_custom_mounts ${custom_mounts} ${overlay_devices} - - [ -n "${DEBUG}" ] && cp ${custom_mounts} "/live/persistence" - - # Now we do the actual mounting (and symlinking) - local used_overlays="" - used_overlays=$(activate_custom_mounts ${custom_mounts}) - rm ${custom_mounts} - - # Close unused overlays (e.g. due to missing $persistence_list) - for overlay in ${overlay_devices} - do - if echo ${used_overlays} | grep -qve "^\(.* \)\?${device}\( .*\)\?$" - then - close_persistence_media ${overlay} - fi - done - - # Look for other snapshots to copy in - [ -n "${root_snapdata}" ] && try_snap "${root_snapdata}" "${rootmnt}" "ROOT" - # This second type should be removed when snapshot grow smarter - [ -n "${home_snapdata}" ] && try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home" - fi - - mkdir -p "${rootmnt}/live" - mount -o move /live "${rootmnt}/live" >/dev/null 2>&1 || mount -o bind /live "${rootmnt}/live" || log_warning_msg "Unable to move or bind /live to ${rootmnt}/live" - - # shows cow fs on /overlay for use by live-snapshot - mkdir -p "${rootmnt}/live/overlay" - mount -o move /live/overlay "${rootmnt}/live/overlay" >/dev/null 2>&1 || mount -o bind /overlay "${rootmnt}/live/overlay" || log_warning_msg "Unable to move or bind /overlay to ${rootmnt}/live/overlay" - -} - -check_dev () -{ - sysdev="${1}" - devname="${2}" - skip_uuid_check="${3}" - - # support for fromiso=.../isofrom=.... - if [ -n "$FROMISO" ] - then - ISO_DEVICE=$(dirname $FROMISO) - if ! [ -b $ISO_DEVICE ] - then - # to support unusual device names like /dev/cciss/c0d0p1 - # as well we have to identify the block device name, let's - # do that for up to 15 levels - i=15 - while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ] - do - ISO_DEVICE=$(dirname ${ISO_DEVICE}) - [ -b "$ISO_DEVICE" ] && break - i=$(($i -1)) - done - fi - - if [ "$ISO_DEVICE" = "/" ] - then - echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log - else - fs_type=$(get_fstype "${ISO_DEVICE}") - if is_supported_fs ${fs_type} - then - mkdir /live/fromiso - mount -t $fs_type "$ISO_DEVICE" /live/fromiso - ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")" - loopdevname=$(setup_loop "/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '') - devname="${loopdevname}" - else - echo "Warning: unable to mount $ISO_DEVICE." >>/boot.log - fi - fi - fi - - if [ -z "${devname}" ] - then - devname=$(sys2dev "${sysdev}") - fi - - if [ -d "${devname}" ] - then - mount -o bind "${devname}" $mountpoint || continue - - if is_live_path $mountpoint - then - echo $mountpoint - return 0 - else - umount $mountpoint - fi - fi - - IFS="," - for device in ${devname} - do - case "$device" in - *mapper*) - # Adding lvm support - if [ -x /scripts/local-top/lvm2 ] - then - ROOT="$device" resume="" /scripts/local-top/lvm2 - fi - ;; - - /dev/md*) - # Adding raid support - if [ -x /scripts/local-top/mdadm ] - then - cp /conf/conf.d/md /conf/conf.d/md.orig - echo "MD_DEVS=$device " >> /conf/conf.d/md - /scripts/local-top/mdadm - mv /conf/conf.d/md.orig /conf/conf.d/md - fi - ;; - esac - done - unset IFS - - [ -n "$device" ] && devname="$device" - - [ -e "$devname" ] || continue - - if [ -n "${LIVE_MEDIA_OFFSET}" ] - then - loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '') - devname="${loopdevname}" - fi - - fstype=$(get_fstype "${devname}") - - if is_supported_fs ${fstype} - then - devuid=$(blkid -o value -s UUID "$devname") - [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue - mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue - [ -n "$devuid" ] && echo "$devuid" >> $tried - - if [ -n "${FINDISO}" ] - then - if [ -f ${mountpoint}/${FINDISO} ] - then - umount ${mountpoint} - mkdir -p /live/findiso - mount -t ${fstype} -o ro,noatime "${devname}" /live/findiso - loopdevname=$(setup_loop "/live/findiso/${FINDISO}" "loop" "/sys/block/loop*" 0 "") - devname="${loopdevname}" - mount -t iso9660 -o ro,noatime "${devname}" ${mountpoint} - else - umount ${mountpoint} - fi - fi - - if is_live_path ${mountpoint} && \ - ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint}) - then - echo ${mountpoint} - return 0 - else - umount ${mountpoint} 2>/dev/null - fi - fi - - if [ -n "${LIVE_MEDIA_OFFSET}" ] - then - losetup -d "${loopdevname}" - fi - - return 1 -} - -find_livefs () -{ - timeout="${1}" - - # don't start autodetection before timeout has expired - if [ -n "${LIVE_MEDIA_TIMEOUT}" ] - then - if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ] - then - return 1 - fi - fi - - # first look at the one specified in the command line - case "${LIVE_MEDIA}" in - removable-usb) - for sysblock in $(removable_usb_dev "sys") - do - for dev in $(subdevices "${sysblock}") - do - if check_dev "${dev}" - then - return 0 - fi - done - done - return 1 - ;; - - removable) - for sysblock in $(removable_dev "sys") - do - for dev in $(subdevices "${sysblock}") - do - if check_dev "${dev}" - then - return 0 - fi - done - done - return 1 - ;; - - *) - if [ ! -z "${LIVE_MEDIA}" ] - then - if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check" - then - return 0 - fi - fi - ;; - esac - - # or do the scan of block devices - # prefer removable devices over non-removable devices, so scan them first - devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')" - - for sysblock in $devices_to_scan - do - devname=$(sys2dev "${sysblock}") - [ -e "$devname" ] || continue - fstype=$(get_fstype "${devname}") - - if /lib/udev/cdrom_id ${devname} > /dev/null - then - if check_dev "null" "${devname}" - then - return 0 - fi - elif is_nice_device "${sysblock}" - then - for dev in $(subdevices "${sysblock}") - do - if check_dev "${dev}" - then - return 0 - fi - done - elif [ "${fstype}" = "squashfs" -o \ - "${fstype}" = "btrfs" -o \ - "${fstype}" = "ext2" -o \ - "${fstype}" = "ext3" -o \ - "${fstype}" = "ext4" -o \ - "${fstype}" = "jffs2" ] - then - # This is an ugly hack situation, the block device has - # an image directly on it. It's hopefully - # live-boot, so take it and run with it. - ln -s "${devname}" "${devname}.${fstype}" - echo "${devname}.${fstype}" - return 0 - fi - done - - return 1 -} - -integrity_check () -{ - media_mountpoint="${1}" - - log_begin_msg "Checking media integrity" - - cd ${media_mountpoint} - /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8 - RC="${?}" - - log_end_msg - - if [ "${RC}" -eq 0 ] - then - log_success_msg "Everything ok, will reboot in 10 seconds." - sleep 10 - cd / - umount ${media_mountpoint} - sync - echo u > /proc/sysrq-trigger - echo b > /proc/sysrq-trigger - else - panic "Not ok, a media defect is likely, switch to VT8 for details." - fi -} - -mountroot () -{ - if [ -x /scripts/local-top/cryptroot ]; then - /scripts/local-top/cryptroot - fi - - exec 6>&1 - exec 7>&2 - exec > boot.log - exec 2>&1 - tail -f boot.log >&7 & - tailpid="${!}" - - # Ensure 'panic' function is overridden - . /scripts/live-functions - - Arguments - - maybe_break live-premount - log_begin_msg "Running /scripts/live-premount" - run_scripts /scripts/live-premount - log_end_msg - - # Needed here too because some things (*cough* udev *cough*) - # changes the timeout - - if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ] - then - if do_netmount - then - livefs_root="${mountpoint}" - else - panic "Unable to find a live file system on the network" - fi - else - if [ -n "${ISCSI_PORTAL}" ] - then - do_iscsi && livefs_root="${mountpoint}" - elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ] - then - # Do a local boot from hd - livefs_root=${ROOT} - else - if [ -x /usr/bin/memdiskfind ] - then - MEMDISK=$(/usr/bin/memdiskfind) - - if [ $? -eq 0 ] - then - # We found a memdisk, set up phram - modprobe phram phram=memdisk,${MEMDISK} - - # Load mtdblock, the memdisk will be /dev/mtdblock0 - modprobe mtdblock - fi - fi - - # Scan local devices for the image - i=0 - while [ "$i" -lt 60 ] - do - livefs_root=$(find_livefs ${i}) - - if [ -n "${livefs_root}" ] - then - break - fi - - sleep 1 - i="$(($i + 1))" - done - fi - fi - - if [ -z "${livefs_root}" ] - then - panic "Unable to find a medium containing a live file system" - fi - - if [ "${INTEGRITY_CHECK}" ] - then - integrity_check "${livefs_root}" - fi - - if [ "${TORAM}" ] - then - live_dest="ram" - elif [ "${TODISK}" ] - then - live_dest="${TODISK}" - fi - - if [ "${live_dest}" ] - then - log_begin_msg "Copying live media to ${live_dest}" - copy_live_to "${livefs_root}" "${live_dest}" - log_end_msg - fi - - # if we do not unmount the ISO we can't run "fsck /dev/ice" later on - # because the mountpoint is left behind in /proc/mounts, so let's get - # rid of it when running from RAM - if [ -n "$FROMISO" ] && [ "${TORAM}" ] - then - losetup -d /dev/loop0 - - if is_mountpoint /live/fromiso - then - umount /live/fromiso - rmdir --ignore-fail-on-non-empty /live/fromiso \ - >/dev/null 2>&1 || true - fi - fi - - if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ] - then - setup_unionfs "${livefs_root}" "${rootmnt}" - else - mac="$(get_mac)" - mac="$(echo ${mac} | sed 's/-//g')" - mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}" - fi - - - if [ -n "${ROOT_PID}" ] ; then - echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid - fi - - log_end_msg - - # unionfs-fuse needs /dev to be bind-mounted for the duration of - # live-bottom; udev's init script will take care of things after that - if [ "${UNIONTYPE}" = unionfs-fuse ] - then - mount -n -o bind /dev "${rootmnt}/dev" - fi - - # Move to the new root filesystem so that programs there can get at it. - if [ ! -d /root/live/image ] - then - mkdir -p /root/live/image - mount --move /live/image /root/live/image - fi - - # aufs2 in kernel versions around 2.6.33 has a regression: - # directories can't be accessed when read for the first the time, - # causing a failure for example when accessing /var/lib/fai - # when booting FAI, this simple workaround solves it - ls /root/* >/dev/null 2>&1 - - # Move findiso directory to the new root filesystem so that programs there can get at it. - if [ -d /live/findiso ] && [ ! -d /root/live/findiso ] - then - mkdir -p /root/live/findiso - mount -n --move /live/findiso /root/live/findiso - fi - - # if we do not unmount the ISO we can't run "fsck /dev/ice" later on - # because the mountpoint is left behind in /proc/mounts, so let's get - # rid of it when running from RAM - if [ -n "$FINDISO" ] && [ "${TORAM}" ] - then - losetup -d /dev/loop0 - - if is_mountpoint /root/live/findiso - then - umount /root/live/findiso - rmdir --ignore-fail-on-non-empty /root/live/findiso \ - >/dev/null 2>&1 || true - fi - fi - - # copy snapshot configuration if exists - if [ -f snapshot.conf ] - then - log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d" - if [ ! -d "${rootmnt}/etc/live/boot.d" ] - then - mkdir -p "${rootmnt}/etc/live/boot.d" - fi - cp snapshot.conf "${rootmnt}/etc/live/boot.d/" - log_end_msg - fi - - if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ] - then - log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf" - cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf - log_end_msg - fi - - maybe_break live-bottom - log_begin_msg "Running /scripts/live-bottom\n" - - run_scripts /scripts/live-bottom - log_end_msg - - if [ "${UNIONFS}" = unionfs-fuse ] - then - umount "${rootmnt}/dev" - fi - - exec 1>&6 6>&- - exec 2>&7 7>&- - kill ${tailpid} - [ -w "${rootmnt}/var/log/" ] && mkdir -p /var/log/live && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null -} diff --git a/scripts/live-bottom/08persistence_excludes b/scripts/live-bottom/08persistence_excludes deleted file mode 100755 index 633f6ac..0000000 --- a/scripts/live-bottom/08persistence_excludes +++ /dev/null @@ -1,77 +0,0 @@ -#!/bin/sh - -# Persistence enhancer script -# This script saves precious time on slow persistence devices/image files -# and writes on flash based device. -# a tmpfs on $PERSTMP is mounted and directories listed in -# /etc/live-persistence.binds will be copied there and then bind mounted back. - -#set -e - -# initramfs-tools header - -PREREQ="" - -prereqs() -{ - echo "${PREREQ}" -} - -case "${1}" in - prereqs) - prereqs - exit 0 - ;; -esac - -# live-boot header - -if [ -z "${PERSISTENCE}" ] || [ -n "${NOPERSISTENCE}" ] || [ -z "${PERSISTENCE_IS_ON}" ] || [ ! -f /root/etc/live-persistence.binds ] -then - exit 0 -fi - -. /scripts/live-functions - -# live-boot script - -dirs="$(sed -e '/^ *$/d' -e '/^#.*$/d' /root/etc/live-persistence.binds | tr '\n' '\0')" -if [ -z "${dirs}" ] -then - exit 0 -fi - -log_begin_msg "Moving persistence bind mounts" - -PERSTMP="/root/live/persistence-binds" -CPIO="/bin/cpio" - -if [ ! -d "${PERSTMP}" ] -then - mkdir -p "${PERSTMP}" -fi - -mount -t tmpfs tmpfs "${PERSTMP}" - -for dir in $(echo "${dirs}" | tr '\0' '\n') -do - if [ ! -e "/root/${dir}" ] && [ ! -L "/root/${dir}" ] - then - # directory do not exists, create it - mkdir -p "/root/${dir}" - elif [ ! -d "/root/${dir}" ] - then - # it is not a directory, skip it - break - fi - - # Copy previous content if any - cd "/root/${dir}" - find . -print0 | ${CPIO} -pumd0 "${PERSTMP}/${dir}" - cd "${OLDPWD}" - - # Bind mount it to origin - mount -o bind "${PERSTMP}/${dir}" "/root/${dir}" -done - -log_end_msg diff --git a/scripts/live-bottom/10validateroot b/scripts/live-bottom/10validateroot deleted file mode 100755 index d4d1620..0000000 --- a/scripts/live-bottom/10validateroot +++ /dev/null @@ -1,29 +0,0 @@ -#!/bin/sh - -# Error out in case a "wrong" file system was chosen. - -#set -e - -# initramfs-tools header - -PREREQ="" - -prereqs() -{ - echo "${PREREQ}" -} - -case "${1}" in - prereqs) - prereqs - exit 0 - ;; -esac - -. /scripts/live-functions -. /scripts/live-helpers - -if ! [ -d "/root/usr/share/live-boot" ] -then - panic "A wrong rootfs was mounted." -fi diff --git a/scripts/live-bottom/12fstab b/scripts/live-bottom/12fstab deleted file mode 100755 index 7f43937..0000000 --- a/scripts/live-bottom/12fstab +++ /dev/null @@ -1,89 +0,0 @@ -#!/bin/sh - -#set -e - -# initramfs-tools header - -PREREQ="" -FSTAB=/root/etc/fstab - -prereqs() -{ - echo "${PREREQ}" -} - -case "${1}" in - prereqs) - prereqs - exit 0 - ;; -esac - -# live-boot header - -. /scripts/live-functions - -if [ -n "${NOFSTAB}" ] -then - exit 0 -fi - -log_begin_msg "Configuring fstab" - -# live-boot script - -if ! grep -qs "^${UNIONTYPE}" "${FSTAB}" -then - echo "${UNIONTYPE} / ${UNIONTYPE} rw 0 0" >> "${FSTAB}" -fi - -if ! grep -qs "^tmpfs /tmp" "${FSTAB}" -then - echo "tmpfs /tmp tmpfs nosuid,nodev 0 0" >> "${FSTAB}" -fi - -if [ -n "${SWAPON}" ] -then - devices="" - - for device in /dev/[hs]d[a-z][0-9]* - do - if ! [ -b "${device}" ] - then - continue - fi - - /sbin/blkid -o udev -p ${device%%[0-9]*} | grep -q "^ID_FS_USAGE=raid" && continue - - magic=$(/bin/dd if="${device}" bs=4086 skip=1 count=1 2>/dev/null | /bin/dd bs=10 count=1 2>/dev/null) || continue - - if [ "${magic}" = "SWAPSPACE2" -o "${magic}" = "SWAP-SPACE" ] - then - #log "Found ${device}" - devices="${devices} ${device}" - fi - done - - # Remove all auto swap entries - if grep -qs "swap swap" "${FSTAB}" - then - grep -v "swap swap" "${FSTAB}" > "${FSTAB}".tmp - mv "${FSTAB}".tmp "${FSTAB}" - fi - - # Add new swap entries - for device in ${devices} - do - echo "${device} swap swap defaults 0 0" >> "${FSTAB}" - done -fi - -# disabled for now -#rm -f /root/etc/rcS.d/S*checkroot.sh - -if [ "${NOFASTBOOT}" != "Yes" ] -then - touch root/fastboot -fi - -log_end_msg diff --git a/scripts/live-bottom/23networking b/scripts/live-bottom/23networking deleted file mode 100755 index 86d4562..0000000 --- a/scripts/live-bottom/23networking +++ /dev/null @@ -1,157 +0,0 @@ -#!/bin/sh - -#set -e - -# initramfs-tools header - -PREREQ="" - -prereqs() -{ - echo "${PREREQ}" -} - -case "${1}" in - prereqs) - prereqs - exit 0 - ;; -esac - -# live-boot header - -if [ -n "${NONETWORKING}" ] -then - exit 0 -fi - -. /scripts/live-functions - -log_begin_msg "Preconfiguring networking" - -# live-boot script - -IFFILE="/root/etc/network/interfaces" - -if [ "${STATICIP}" = "frommedia" -a -e "${IFFILE}" ] -then - # will use existent /etc/network/interfaces - log_end_msg - exit 0 -fi - -cat > "${IFFILE}" << EOF -auto lo -iface lo inet loopback - -EOF - -udevadm trigger -udevadm settle - -if [ -z "${NETBOOT}" -a -n "${STATICIP}" -a "${STATICIP}" != "frommedia" ] -then - parsed=$(echo "${STATICIP}" | sed -e 's/,/ /g') - - for ifline in ${parsed} - do - ifname="$(echo ${ifline} | cut -f1 -d ':')" - ifaddress="$(echo ${ifline} | cut -f2 -d ':')" - ifnetmask="$(echo ${ifline} | cut -f3 -d ':')" - ifgateway="$(echo ${ifline} | cut -f4 -d ':')" - -cat >> "${IFFILE}" << EOF -allow-hotplug ${ifname} -iface ${ifname} inet static - address ${ifaddress} - netmask ${ifnetmask} -EOF - -if [ -n "${ifgateway}" ] -then - -cat >> "${IFFILE}" << EOF - gateway ${ifgateway} - -EOF - -fi - - done -else - if [ -z "${NETBOOT}" ] || [ -n "${DHCP}" ] - then - # default, dhcp assigned - method="dhcp" - else - # make sure that the preconfigured interface would not get reassigned by dhcp - # on startup by ifup script - otherwise our root fs might be disconnected! - method="manual" - fi - - # iterate the physical interfaces and add them to the interfaces list and also add when ethdevice= called on cmdline - if [ "${method}" != dhcp ] || ([ ! -x /root/usr/sbin/NetworkManager ] && [ ! -x /root/usr/sbin/wicd ]) || [ ! -z "${ETHDEVICE}" ] - then - for interface in /sys/class/net/eth* /sys/class/net/ath* /sys/class/net/wlan* - do - [ -e ${interface} ] || continue - i="$(basename ${interface})" - -cat >> "${IFFILE}" << EOF -allow-hotplug ${i} -iface ${i} inet ${method} - -EOF - - done - fi - - if [ ! -f /root/etc/resolv.conf ] || [ -z "$(cat /root/etc/resolv.conf)" ] - then - if [ -f /netboot.config ] - then - # create a resolv.conf if it is not present or empty - cp /netboot.config /root/var/log/netboot.config - - rc_search=$(cat netboot.config | awk '/domain/{print $3}') - rc_server0=$(cat netboot.config | awk '/dns0/{print $5}') - rc_server1=$(cat netboot.config | awk '/dns0/{print $8}') - rc_server0="nameserver ${rc_server0}" - - if [ "${rc_server1}" = "0.0.0.0" ] - then - rc_server1="" - else - rc_server1="nameserver ${rc_server1}" - fi - -cat > /root/etc/resolv.conf << EOF -# /etc/resolv.conf -# Autogenerated by live-boot -search ${rc_search} -domain ${rc_search} -${rc_server0} -${rc_server1} -EOF - - cat /root/etc/resolv.conf >> /root/var/log/netboot.config - fi - fi -fi - -#if [ ! -x /root/usr/sbin/NetworkManager ] -#then -# for i in eth0 eth1 eth2 ath0 wlan0 -# do -# grep -q "iface ${i}" ${IFFILE} && continue -# -#cat >> "${IFFILE}" << EOF -#allow-hotplug ${i} -#iface ${i} inet dhcp -# -#EOF -# -# done -#fi - -log_end_msg diff --git a/scripts/live-functions b/scripts/live-functions deleted file mode 100644 index f3668f1..0000000 --- a/scripts/live-functions +++ /dev/null @@ -1,111 +0,0 @@ - -. /scripts/functions -. /live.vars - -log_wait_msg () -{ - # Print a message and wait for enter - if [ -x /bin/plymouth ] && plymouth --ping - then - plymouth message --text="$@" - plymouth watch-keystroke | read nunya - fi - - _log_msg "Waiting: ${@} ... \n" -} - -really_export () -{ - STRING="${1}" - VALUE="$(eval echo -n \${$STRING})" - - if [ -f /live.vars ] && grep -sq "export ${STRING}" /live.vars - then - sed -i -e 's/\('${STRING}'=\).*$/\1'${VALUE}'/' /live.vars - else - echo "export ${STRING}=\"${VALUE}\"" >> /live.vars - fi - - eval export "${STRING}"="${VALUE}" -} - -lang2locale() { - langpart="${1%%_*}" - if [ "$1" != "C" ]; then - # Match the language code with 3rd field in languagelist - line=$(grep -v "^#" /usr/share/live-boot/languagelist | cut -f1,3,6 -d\; | grep -v ';C$' | grep "^$langpart;") - if [ -n "$line" ]; then - if [ "$(echo "$line" | grep -c '')" -gt 1 ]; then - # More than one match; try matching the - # country as well. - countrypart="${1#*_}" - if [ "$countrypart" = "$1" ]; then - countryline="$(echo "$line" | head -n1)" - echo "${countryline##*;}" - return - fi - countrypart="${countrypart%%[@.]*}" - countryline="$(echo "$line" | grep ";$countrypart;" | head -n1 || true)" - if [ "$countryline" ]; then - echo "${countryline##*;}" - return - fi - fi - echo "${line##*;}" - fi - else - echo "C" - fi -} - -# Override maybe_break from scripts/functions -maybe_break() -{ - if [ "${break}" = "$1" ]; then - # Call original panic - . /scripts/functions - panic "Spawning shell within the initramfs" - fi -} - -# Override panic from scripts/functions -panic() { - - DEB_1="\033[1;31m .''\`. \033[0m" - DEB_2="\033[1;31m: :' : \033[0m" - DEB_3="\033[1;31m\`. \`'\` \033[0m" - DEB_4="\033[1;31m \`- \033[0m" - - LIVELOG="\033[1;37m/boot.log\033[0m" - DEBUG="\033[1;37mdebug\033[0m" - - # Reset redirections to avoid buffering - exec 1>&6 6>&- - exec 2>&7 7>&- - kill ${tailpid} - - printf "\n\n" - printf " ${DEB_1}\n" - printf " ${DEB_2} \033[1;37mBOOT FAILED!\033[0m\n" - printf " ${DEB_3}\n" - printf " ${DEB_4} This Debian Live image failed to boot.\n\n" - - printf " Please file a bug against the 'live-boot' package or email the Debian\n" - printf " Live mailing list at <debian-live@lists.debian.org>, making sure to note the\n" - printf " exact version, name and distribution of the image you were attempting to boot.\n\n" - - printf " The file ${LIVELOG} contains some debugging information but booting with the\n" - printf " ${DEBUG} command-line parameter will greatly increase its verbosity which is\n" - printf " extremely useful when diagnosing issues.\n\n" - - if [ -n "${panic}" ]; then - printf " live-boot will now restart your system. " - else - printf " live-boot will now start a shell. " - fi - printf "The error message was:\n\n " - - # Call original panic - . /scripts/functions - panic "$@" -} diff --git a/scripts/live-helpers b/scripts/live-helpers deleted file mode 100644 index 2fcf441..0000000 --- a/scripts/live-helpers +++ /dev/null @@ -1,1609 +0,0 @@ -# live-boot helper functions, used by live-boot on boot and by live-snapshot - -if [ ! -x "/bin/fstype" ] -then - # klibc not in path -> not in initramfs - export PATH="${PATH}:/usr/lib/klibc/bin" -fi - -# handle upgrade path from old udev (using udevinfo) to -# recent versions of udev (using udevadm info) -if [ -x /sbin/udevadm ] -then - udevinfo='/sbin/udevadm info' -else - udevinfo='udevinfo' -fi - -old_root_overlay_label="live-rw" -old_home_overlay_label="home-rw" -custom_overlay_label="custom-ov" -root_snapshot_label="live-sn" -old_root_snapshot_label="live-sn" -home_snapshot_label="home-sn" -persistence_list="live-persistence.conf" - -Arguments () -{ - PRESEEDS="" - LOCATIONS="" - - for ARGUMENT in $(cat /proc/cmdline) - do - case "${ARGUMENT}" in - skipconfig) - NOACCESSIBILITY="Yes" - NOFASTBOOT="Yes" - NOFSTAB="Yes" - NONETWORKING="Yes" - - export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING - ;; - - access=*) - ACCESS="${ARGUMENT#access=}" - export ACCESS - ;; - - console=*) - DEFCONSOLE="${ARGUMENT#*=}" - export DEFCONSOLE - ;; - - BOOTIF=*) - BOOTIF="${x#BOOTIF=}" - ;; - - debug) - DEBUG="Yes" - export DEBUG - - set -x - ;; - - dhcp) - # Force dhcp even while netbooting - # Use for debugging in case somebody works on fixing dhclient - DHCP="Force"; - export DHCP - ;; - - nodhcp) - unset DHCP - ;; - - ethdevice=*) - DEVICE="${ARGUMENT#ethdevice=}" - ETHDEVICE="${DEVICE}" - export DEVICE ETHDEVICE - ;; - - ethdevice-timeout=*) - ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}" - export ETHDEV_TIMEOUT - ;; - - fetch=*) - FETCH="${ARGUMENT#fetch=}" - export FETCH - ;; - - findiso=*) - FINDISO="${ARGUMENT#findiso=}" - export FINDISO - ;; - - forcepersistencefsck) - FORCEPERSISTENCEFSCK="Yes" - export FORCEPERSISTENCEFSCK - ;; - - ftpfs=*) - FTPFS="${ARGUMENT#ftpfs=}" - export FTPFS - ;; - - httpfs=*) - HTTPFS="${ARGUMENT#httpfs=}" - export HTTPFS - ;; - - iscsi=*) - ISCSI="${ARGUMENT#iscsi=}" - #ip:port - separated by ; - ISCSI_PORTAL="${ISCSI%;*}" - if echo "${ISCSI_PORTAL}" | grep -q , ; then - ISCSI_SERVER="${ISCSI_PORTAL%,*}" - ISCSI_PORT="${ISCSI_PORTAL#*,}" - fi - #target name - ISCSI_TARGET="${ISCSI#*;}" - export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT - ;; - - isofrom=*|fromiso=*) - FROMISO="${ARGUMENT#*=}" - export FROMISO - ;; - - ignore_uuid) - IGNORE_UUID="Yes" - export IGNORE_UUID - ;; - - integrity-check) - INTEGRITY_CHECK="Yes" - export INTEGRITY_CHECK - ;; - - ip=*) - STATICIP="${ARGUMENT#ip=}" - - if [ -z "${STATICIP}" ] - then - STATICIP="frommedia" - fi - - export STATICIP - ;; - - live-getty) - LIVE_GETTY="1" - export LIVE_GETTY - ;; - - live-media=*|bootfrom=*) - LIVE_MEDIA="${ARGUMENT#*=}" - export LIVE_MEDIA - ;; - - live-media-encryption=*|encryption=*) - LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}" - export LIVE_MEDIA_ENCRYPTION - ;; - - live-media-offset=*) - LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}" - export LIVE_MEDIA_OFFSET - ;; - - live-media-path=*) - LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}" - export LIVE_MEDIA_PATH - ;; - - live-media-timeout=*) - LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}" - export LIVE_MEDIA_TIMEOUT - ;; - - module=*) - MODULE="${ARGUMENT#module=}" - export MODULE - ;; - - netboot=*) - NETBOOT="${ARGUMENT#netboot=}" - export NETBOOT - ;; - - nfsopts=*) - NFSOPTS="${ARGUMENT#nfsopts=}" - export NFSOPTS - ;; - - nfsoverlay=*) - NFS_COW="${ARGUMENT#nfsoverlay=}" - export NFS_COW - ;; - - noaccessibility) - NOACCESSIBILITY="Yes" - export NOACCESSIBILITY - ;; - - nofastboot) - NOFASTBOOT="Yes" - export NOFASTBOOT - ;; - - nofstab) - NOFSTAB="Yes" - export NOFSTAB - ;; - - nonetworking) - NONETWORKING="Yes" - export NONETWORKING - ;; - - ramdisk-size=*) - ramdisk_size="${ARGUMENT#ramdisk-size=}" - ;; - - swapon) - SWAPON="Yes" - export SWAPON - ;; - - persistence) - PERSISTENCE="Yes" - export PERSISTENCE - ;; - - persistence-encryption=*) - PERSISTENCE_ENCRYPTION="${ARGUMENT#*=}" - export PERSISTENCE_ENCRYPTION - ;; - - persistence-media=*) - PERSISTENCE_MEDIA="${ARGUMENT#*=}" - export PERSISTENCE_MEDIA - ;; - persistence-method=*) - PERSISTENCE_METHOD="${ARGUMENT#*=}" - export PERSISTENCE_METHOD - ;; - - persistence-path=*) - PERSISTENCE_PATH="${ARGUMENT#persistence-path=}" - export PERSISTENCE_PATH - ;; - persistence-read-only) - PERSISTENCE_READONLY="Yes" - export PERSISTENCE_READONLY - ;; - - persistence-storage=*) - PERSISTENCE_STORAGE="${ARGUMENT#persistence-storage=}" - export PERSISTENCE_STORAGE - ;; - - persistence-subtext=*) - old_root_overlay_label="${old_root_overlay_label}-${ARGUMENT#persistence-subtext=}" - old_home_overlay_label="${old_home_overlay_label}-${ARGUMENT#persistence-subtext=}" - custom_overlay_label="${custom_overlay_label}-${ARGUMENT#persistence-subtext=}" - root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}" - old_root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}" - home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistence-subtext=}" - ;; - - nopersistence) - NOPERSISTENCE="Yes" - export NOPERSISTENCE - ;; - - noprompt) - NOPROMPT="Yes" - export NOPROMPT - ;; - - noprompt=*) - NOPROMPT="${ARGUMENT#noprompt=}" - export NOPROMPT - ;; - - quickusbmodules) - QUICKUSBMODULES="Yes" - export QUICKUSBMODULES - ;; - - preseed/file=*|file=*) - LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}" - export LOCATIONS - ;; - - nopreseed) - NOPRESEED="Yes" - export NOPRESEED - ;; - - */*=*) - question="${ARGUMENT%%=*}" - value="${ARGUMENT#*=}" - PRESEEDS="${PRESEEDS}\"${question}=${value}\" " - export PRESEEDS - ;; - - showmounts) - SHOWMOUNTS="Yes" - export SHOWMOUNTS - ;; - - silent) - SILENT="Yes" - export SILENT - ;; - - todisk=*) - TODISK="${ARGUMENT#todisk=}" - export TODISK - ;; - - toram) - TORAM="Yes" - export TORAM - ;; - - toram=*) - TORAM="Yes" - MODULETORAM="${ARGUMENT#toram=}" - export TORAM MODULETORAM - ;; - - exposedroot) - EXPOSED_ROOT="Yes" - export EXPOSED_ROOT - ;; - - plainroot) - PLAIN_ROOT="Yes" - export PLAIN_ROOT - ;; - - skipunion) - SKIP_UNION_MOUNTS="Yes" - export SKIP_UNION_MOUNTS - ;; - - root=*) - ROOT="${ARGUMENT#root=}" - export ROOT - ;; - - union=*) - UNIONTYPE="${ARGUMENT#union=}" - export UNIONTYPE - ;; - esac - done - - # sort of compatibility with netboot.h from linux docs - if [ -z "${NETBOOT}" ] - then - if [ "${ROOT}" = "/dev/nfs" ] - then - NETBOOT="nfs" - export NETBOOT - elif [ "${ROOT}" = "/dev/cifs" ] - then - NETBOOT="cifs" - export NETBOOT - fi - fi - - if [ -z "${MODULE}" ] - then - MODULE="filesystem" - export MODULE - fi - - if [ -z "${UNIONTYPE}" ] - then - UNIONTYPE="aufs" - export UNIONTYPE - fi - - if [ -z "${PERSISTENCE_ENCRYPTION}" ] - then - PERSISTENCE_ENCRYPTION="none" - export PERSISTENCE_ENCRYPTION - elif is_in_comma_sep_list luks ${PERSISTENCE_ENCRYPTION} - then - if ! modprobe dm-crypt - then - log_warning_msg "Unable to load module dm-crypt" - PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g') - export PERSISTENCE_ENCRYPTION - fi - - if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ] - then - log_warning_msg "cryptsetup in unavailable" - PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g') - export PERSISTENCE_ENCRYPTION - fi - fi - - if [ -z "${PERSISTENCE_METHOD}" ] - then - PERSISTENCE_METHOD="snapshot,overlay" - export PERSISTENCE_METHOD - fi - - if [ -z "${PERSISTENCE_STORAGE}" ] - then - PERSISTENCE_STORAGE="filesystem,file" - export PERSISTENCE_STORAGE - fi -} - -is_in_list_separator_helper () { - local sep=${1} - shift - local element=${1} - shift - local list=${*} - echo ${list} | grep -qe "^\(.*${sep}\)\?${element}\(${sep}.*\)\?$" -} - -is_in_space_sep_list () { - local element=${1} - shift - is_in_list_separator_helper "[[:space:]]" "${element}" "${*}" -} - -is_in_comma_sep_list () { - local element=${1} - shift - is_in_list_separator_helper "," "${element}" "${*}" -} - -sys2dev () -{ - sysdev=${1#/sys} - echo "/dev/$($udevinfo -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})" -} - -subdevices () -{ - sysblock=${1} - r="" - - for dev in "${sysblock}"/* "${sysblock}" - do - if [ -e "${dev}/dev" ] - then - r="${r} ${dev}" - fi - done - - echo ${r} -} - -storage_devices() -{ - black_listed_devices="${1}" - white_listed_devices="${2}" - - for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "loop|ram|fd") - do - fulldevname=$(sys2dev "${sysblock}") - - if is_in_space_sep_list ${fulldevname} ${black_listed_devices} || \ - [ -n "${white_listed_devices}" ] && \ - ! is_in_space_sep_list ${fulldevname} ${white_listed_devices} - then - # skip this device entirely - continue - fi - - for dev in $(subdevices "${sysblock}") - do - devname=$(sys2dev "${dev}") - - if is_in_space_sep_list ${devname} ${black_listed_devices} - then - # skip this subdevice - continue - else - echo "${devname}" - fi - done - done -} - -is_supported_fs () -{ - fstype="${1}" - - # Validate input first - if [ -z "${fstype}" ] - then - return 1 - fi - - # Try to look if it is already supported by the kernel - if grep -q ${fstype} /proc/filesystems - then - return 0 - else - # Then try to add support for it the gentle way using the initramfs capabilities - modprobe ${fstype} - if grep -q ${fstype} /proc/filesystems - then - return 0 - # Then try the hard way if /root is already reachable - else - kmodule="/root/lib/modules/`uname -r`/${fstype}/${fstype}.ko" - if [ -e "${kmodule}" ] - then - insmod "${kmodule}" - if grep -q ${fstype} /proc/filesystems - then - return 0 - fi - fi - fi - fi - - return 1 -} - -get_fstype () -{ - /sbin/blkid -s TYPE -o value $1 2>/dev/null -} - -where_is_mounted () -{ - device=${1} - # return first found - grep -m1 "^${device} " /proc/mounts | cut -f2 -d ' ' -} - -trim_path () { - # remove all unnecessary /:s in the path, including last one (except - # if path is just "/") - echo ${1} | sed 's|//\+|/|g' | sed 's|^\(.*[^/]\)/$|\1|' -} - -what_is_mounted_on () -{ - local dir="$(trim_path ${1})" - grep -m1 "^[^ ]\+ ${dir} " /proc/mounts | cut -d' ' -f1 -} - -chown_ref () -{ - local reference="${1}" - shift - local targets=${@} - local owner=$(stat -c %u:%g "${reference}") - chown -h ${owner} ${targets} -} - -chmod_ref () -{ - local reference="${1}" - shift - local targets=${@} - local rights=$(stat -c %a "${reference}") - chmod ${rights} ${targets} -} - -lastline () -{ - while read lines - do - line=${lines} - done - - echo "${line}" -} - -base_path () -{ - testpath="${1}" - mounts="$(awk '{print $2}' /proc/mounts)" - testpath="$(busybox realpath ${testpath})" - - while true - do - if echo "${mounts}" | grep -qs "^${testpath}" - then - set -- $(echo "${mounts}" | grep "^${testpath}" | lastline) - echo ${1} - break - else - testpath=$(dirname $testpath) - fi - done -} - -fs_size () -{ - # Returns used/free fs kbytes + 5% more - # You could pass a block device as ${1} or the mount point as ${2} - - dev="${1}" - mountp="${2}" - used="${3}" - - if [ -z "${mountp}" ] - then - mountp="$(where_is_mounted ${dev})" - - if [ -z "${mountp}" ] - then - mountp="/mnt/tmp_fs_size" - - mkdir -p "${mountp}" - mount -t $(get_fstype "${dev}") -o ro "${dev}" "${mountp}" || log_warning_msg "cannot mount -t $(get_fstype ${dev}) -o ro ${dev} ${mountp}" - - doumount=1 - fi - fi - - if [ "${used}" = "used" ] - then - size=$(du -ks ${mountp} | cut -f1) - size=$(expr ${size} + ${size} / 20 ) # FIXME: 5% more to be sure - else - # free space - size="$(df -k | grep -s ${mountp} | awk '{print $4}')" - fi - - if [ -n "${doumount}" ] - then - umount "${mountp}" || log_warning_msg "cannot umount ${mountp}" - rmdir "${mountp}" - fi - - echo "${size}" -} - -load_keymap () -{ - # Load custom keymap - if [ -x /bin/loadkeys -a -r /etc/boottime.kmap.gz ] - then - loadkeys /etc/boottime.kmap.gz - fi -} - -setup_loop () -{ - local fspath=${1} - local module=${2} - local pattern=${3} - local offset=${4} - local encryption=${5} - local readonly=${6} - - # the output of setup_loop is evaluated in other functions, - # modprobe leaks kernel options like "libata.dma=0" - # as "options libata dma=0" on stdout, causing serious - # problems therefor, so instead always avoid output to stdout - modprobe -q -b "${module}" 1>/dev/null - - udevadm settle - - for loopdev in ${pattern} - do - if [ "$(cat ${loopdev}/size)" -eq 0 ] - then - dev=$(sys2dev "${loopdev}") - options='' - - if [ -n "${readonly}" ] - then - if losetup --help 2>&1 | grep -q -- "-r\b" - then - options="${options} -r" - fi - fi - - if [ -n "${offset}" ] && [ 0 -lt "${offset}" ] - then - options="${options} -o ${offset}" - fi - - if [ -z "${encryption}" ] - then - losetup ${options} "${dev}" "${fspath}" - else - # Loop AES encryption - while true - do - load_keymap - - echo -n "Enter passphrase for root filesystem: " >&6 - read -s passphrase - echo "${passphrase}" > /tmp/passphrase - unset passphrase - exec 9</tmp/passphrase - /sbin/losetup ${options} -e "${encryption}" -p 9 "${dev}" "${fspath}" - error=${?} - exec 9<&- - rm -f /tmp/passphrase - - if [ 0 -eq ${error} ] - then - unset error - break - fi - - echo - echo -n "There was an error decrypting the root filesystem ... Retry? [Y/n] " >&6 - read answer - - if [ "$(echo "${answer}" | cut -b1 | tr A-Z a-z)" = "n" ] - then - unset answer - break - fi - done - fi - - echo "${dev}" - return 0 - fi - done - - panic "No loop devices available" -} - -try_mount () -{ - dev="${1}" - mountp="${2}" - opts="${3}" - fstype="${4}" - - old_mountp="$(where_is_mounted ${dev})" - - if [ -n "${old_mountp}" ] - then - if [ "${opts}" != "ro" ] - then - mount -o remount,"${opts}" "${dev}" "${old_mountp}" || panic "Remounting ${dev} ${opts} on ${old_mountp} failed" - fi - - mount -o bind "${old_mountp}" "${mountp}" || panic "Cannot bind-mount ${old_mountp} on ${mountp}" - else - if [ -z "${fstype}" ] - then - fstype=$(get_fstype "${dev}") - fi - mount -t "${fstype}" -o "${opts}" "${dev}" "${mountp}" || \ - ( echo "SKIPPING: Cannot mount ${dev} on ${mountp}, fstype=${fstype}, options=${opts}" > boot.log && return 0 ) - fi -} - -mount_persistence_media () -{ - local device=${1} - local probe=${2} - - local backing="/live/persistence/$(basename ${device})" - - mkdir -p "${backing}" - local old_backing="$(where_is_mounted ${device})" - if [ -z "${old_backing}" ] - then - local fstype="$(get_fstype ${device})" - local mount_opts="rw,noatime" - if [ -n "${PERSISTENCE_READONLY}" ] - then - mount_opts="ro,noatime" - fi - if mount -t "${fstype}" -o "${mount_opts}" "${device}" "${backing}" >/dev/null - then - echo ${backing} - return 0 - else - [ -z "${probe}" ] && log_warning_msg "Failed to mount persistence media ${device}" - rmdir "${backing}" - return 1 - fi - elif [ "${backing}" != "${old_backing}" ] - then - if mount --move ${old_backing} ${backing} >/dev/null - then - echo ${backing} - return 0 - else - [ -z "${probe}" ] && log_warning_msg "Failed to move persistence media ${device}" - rmdir "${backing}" - return 1 - fi - fi - return 0 -} - -close_persistence_media () { - local device=${1} - local backing="$(where_is_mounted ${device})" - - if [ -d "${backing}" ] - then - umount "${backing}" >/dev/null 2>&1 - rmdir "${backing}" >/dev/null 2>&1 - fi - - if is_active_luks_mapping ${device} - then - /sbin/cryptsetup luksClose ${device} - fi -} - -open_luks_device () -{ - dev="${1}" - name="$(basename ${dev})" - opts="--key-file=-" - if [ -n "${PERSISTENCE_READONLY}" ] - then - opts="${opts} --readonly" - fi - - if /sbin/cryptsetup status "${name}" >/dev/null 2>&1 - then - re="^[[:space:]]*device:[[:space:]]*\([^[:space:]]*\)$" - opened_dev=$(cryptsetup status ${name} 2>/dev/null | grep "${re}" | sed "s|${re}|\1|") - if [ "${opened_dev}" = "${dev}" ] - then - luks_device="/dev/mapper/${name}" - echo ${luks_device} - return 0 - else - log_warning_msg "Cannot open luks device ${dev} since ${opened_dev} already is opened with its name" - return 1 - fi - fi - - load_keymap - - while true - do - /lib/cryptsetup/askpass "Enter passphrase for ${dev}: " | \ - /sbin/cryptsetup -T 1 luksOpen ${dev} ${name} ${opts} - - if [ 0 -eq ${?} ] - then - luks_device="/dev/mapper/${name}" - echo ${luks_device} - return 0 - fi - - echo >&6 - echo -n "There was an error decrypting ${dev} ... Retry? [Y/n] " >&6 - read answer - - if [ "$(echo "${answer}" | cut -b1 | tr A-Z a-z)" = "n" ] - then - return 2 - fi - done -} - -get_gpt_name () -{ - local dev="${1}" - /sbin/blkid -s PART_ENTRY_NAME -p -o value ${dev} 2>/dev/null -} - -is_gpt_device () -{ - local dev="${1}" - [ "$(/sbin/blkid -s PART_ENTRY_SCHEME -p -o value ${dev} 2>/dev/null)" = "gpt" ] -} - -probe_for_gpt_name () -{ - local overlays="${1}" - local snapshots="${2}" - local dev="${3}" - - local gpt_dev="${dev}" - if is_active_luks_mapping ${dev} - then - # if $dev is an opened luks device, we need to check - # GPT stuff on the backing device - gpt_dev=$(get_luks_backing_device "${dev}") - fi - - if ! is_gpt_device ${gpt_dev} - then - return - fi - - local gpt_name=$(get_gpt_name ${gpt_dev}) - for label in ${overlays} ${snapshots} - do - if [ "${gpt_name}" = "${label}" ] - then - echo "${label}=${dev}" - fi - done -} - -probe_for_fs_label () -{ - local overlays="${1}" - local snapshots="${2}" - local dev="${3}" - - for label in ${overlays} ${snapshots} - do - if [ "$(/sbin/blkid -s LABEL -o value $dev 2>/dev/null)" = "${label}" ] - then - echo "${label}=${dev}" - fi - done -} - -probe_for_file_name () -{ - local overlays="${1}" - local snapshots="${2}" - local dev="${3}" - - local ret="" - local backing="$(mount_persistence_media ${dev} probe)" - if [ -z "${backing}" ] - then - return - fi - - for label in ${overlays} - do - path=${backing}/${PERSISTENCE_PATH}${label} - if [ -f "${path}" ] - then - local loopdev=$(setup_loop "${path}" "loop" "/sys/block/loop*") - ret="${ret} ${label}=${loopdev}" - fi - done - for label in ${snapshots} - do - for ext in squashfs cpio.gz ext2 ext3 ext4 jffs2 - do - path="${PERSISTENCE_PATH}${label}.${ext}" - if [ -f "${backing}/${path}" ] - then - ret="${ret} ${label}=${dev}:${backing}:${path}" - fi - done - done - - if [ -n "${ret}" ] - then - echo ${ret} - else - umount ${backing} > /dev/null 2>&1 || true - fi -} - -find_persistence_media () -{ - # Scans devices for overlays and snapshots, and returns a whitespace - # separated list of how to use them. Only overlays with a partition - # label or file name in ${overlays} are returned, and ditto for - # snapshots with labels in ${snapshots}. - # - # When scanning a LUKS device, the user will be asked to enter the - # passphrase; on failure to enter it, or if no persistence partitions - # or files were found, the LUKS device is closed. - # - # For a snapshot file the return value is ${label}=${snapdata}", where - # ${snapdata} is the parameter used for try_snap(). - # - # For all other cases (overlay/snapshot partition and overlay file) the - # return value is "${label}=${device}", where ${device} a device that - # can mount the content. In the case of an overlay file, the device - # containing the file will remain mounted as a side-effect. - # - # No devices in ${black_listed_devices} will be scanned, and if - # ${white_list_devices} is non-empty, only devices in it will be - # scanned. - - local overlays="${1}" - local snapshots="${2}" - local white_listed_devices="${3}" - local ret="" - - local black_listed_devices="$(what_is_mounted_on /live/image)" - - for dev in $(storage_devices "${black_listed_devices}" "${white_listed_devices}") - do - local result="" - - local luks_device="" - # Check if it's a luks device; we'll have to open the device - # in order to probe any filesystem it contains, like we do - # below. activate_custom_mounts() also depends on that any luks - # device already has been opened. - if is_in_comma_sep_list luks ${PERSISTENCE_ENCRYPTION} && \ - is_luks_partition ${dev} - then - if luks_device=$(open_luks_device "${dev}") - then - dev="${luks_device}" - else - # skip $dev since we failed/chose not to open it - continue - fi - elif ! is_in_comma_sep_list none ${PERSISTENCE_ENCRYPTION} - then - # skip $dev since we don't allow unencrypted storage - continue - fi - - # Probe for matching GPT partition names or filesystem labels - if is_in_comma_sep_list filesystem ${PERSISTENCE_STORAGE} - then - result=$(probe_for_gpt_name "${overlays}" "${snapshots}" ${dev}) - if [ -n "${result}" ] - then - ret="${ret} ${result}" - continue - fi - - result=$(probe_for_fs_label "${overlays}" "${snapshots}" ${dev}) - if [ -n "${result}" ] - then - ret="${ret} ${result}" - continue - fi - fi - - # Probe for files with matching name on mounted partition - if is_in_comma_sep_list file ${PERSISTENCE_STORAGE} - then - result=$(probe_for_file_name "${overlays}" "${snapshots}" ${dev}) - if [ -n "${result}" ] - then - ret="${ret} ${result}" - continue - fi - fi - - # Close luks device if it isn't used - if [ -z "${result}" ] && [ -n "${luks_device}" ] && \ - is_active_luks_mapping "${luks_device}" - then - /sbin/cryptsetup luksClose "${luks_device}" - fi - done - - if [ -n "${ret}" ] - then - echo ${ret} - fi -} - -get_mac () -{ - mac="" - - for adaptor in /sys/class/net/* - do - status="$(cat ${adaptor}/iflink)" - - if [ "${status}" -eq 2 ] - then - mac="$(cat ${adaptor}/address)" - mac="$(echo ${mac} | sed 's/:/-/g' | tr '[a-z]' '[A-Z]')" - fi - done - - echo ${mac} -} - -is_luks_partition () -{ - device="${1}" - /sbin/cryptsetup isLuks "${device}" 1>/dev/null 2>&1 -} - -is_active_luks_mapping () -{ - device="${1}" - /sbin/cryptsetup status "${device}" 1>/dev/null 2>&1 -} - -get_luks_backing_device () { - device=${1} - cryptsetup status ${device} 2> /dev/null | \ - awk '{if ($1 == "device:") print $2}' -} - -removable_dev () -{ - output_format="${1}" - want_usb="${2}" - ret= - - for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)") - do - dev_ok= - if [ "$(cat ${sysblock}/removable)" = "1" ] - then - if [ -z "${want_usb}" ] - then - dev_ok="yes" - else - if readlink ${sysblock} | grep -q usb - then - dev_ok="yes" - fi - fi - fi - - if [ "${dev_ok}" = "yes" ] - then - case "${output_format}" in - sys) - ret="${ret} ${sysblock}" - ;; - *) - devname=$(sys2dev "${sysblock}") - ret="${ret} ${devname}" - ;; - esac - fi - done - - echo "${ret}" -} - -removable_usb_dev () -{ - output_format="${1}" - - removable_dev "${output_format}" "want_usb" -} - -non_removable_dev () -{ - output_format="${1}" - ret= - - for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)") - do - if [ "$(cat ${sysblock}/removable)" = "0" ] - then - case "${output_format}" in - sys) - ret="${ret} ${sysblock}" - ;; - *) - devname=$(sys2dev "${sysblock}") - ret="${ret} ${devname}" - ;; - esac - fi - done - - echo "${ret}" -} - -link_files () -{ - # create source's directory structure in dest, and recursively - # create symlinks in dest to to all files in source. if mask - # is non-empty, remove mask from all source paths when - # creating links (will be necessary if we change root, which - # live-boot normally does (into $rootmnt)). - - # remove multiple /:s and ensure ending on / - local src_dir="$(trim_path ${1})/" - local dest_dir="$(trim_path ${2})/" - local src_mask="${3}" - - # This check can only trigger on the inital, non-recursive call since - # we create the destination before recursive calls - if [ ! -d "${dest_dir}" ] - then - log_warning_msg "Must link_files into a directory" - return - fi - - find "${src_dir}" -mindepth 1 -maxdepth 1 | while read src; do - local dest="${dest_dir}$(basename "${src}")" - if [ -d "${src}" ] - then - if [ -z "$(ls -A "${src}")" ] - then - continue - fi - if [ ! -d "${dest}" ] - then - mkdir -p "${dest}" - chown_ref "${src}" "${dest}" - chmod_ref "${src}" "${dest}" - fi - link_files "${src}" "${dest}" "${src_mask}" - else - local final_src=${src} - if [ -n "${src_mask}" ] - then - final_src="$(echo ${final_src} | sed "s|^${src_mask}||")" - fi - rm -rf "${dest}" 2> /dev/null - ln -s "${final_src}" "${dest}" - chown_ref "${src}" "${dest}" - fi - done -} - -do_union () -{ - local unionmountpoint="${1}" # directory where the union is mounted - local unionrw="${2}" # branch where the union changes are stored - local unionro1="${3}" # first underlying read-only branch (optional) - local unionro2="${4}" # second underlying read-only branch (optional) - - if [ "${UNIONTYPE}" = "aufs" ] - then - rw_opt="rw" - ro_opt="rr+wh" - noxino_opt="noxino" - elif [ "${UNIONTYPE}" = "unionfs-fuse" ] - then - rw_opt="RW" - ro_opt="RO" - else - rw_opt="rw" - ro_opt="ro" - fi - - case "${UNIONTYPE}" in - unionfs-fuse) - unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid" - unionmountopts="${unionmountopts} ${unionrw}=${rw_opt}" - if [ -n "${unionro1}" ] - then - unionmountopts="${unionmountopts}:${unionro1}=${ro_opt}" - fi - if [ -n "${unionro2}" ] - then - unionmountopts="${unionmountopts}:${unionro2}=${ro_opt}" - fi - ( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384 - unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \ - ( mkdir -p /run/sendsigs.omit.d - pidof unionfs-fuse >> /run/sendsigs.omit.d/unionfs-fuse || true ) - ;; - - overlayfs) - # XXX: can unionro2 be used? (overlayfs only handles two dirs, but perhaps they can be chained?) - # XXX: and can unionro1 be optional? i.e. can overlayfs skip lowerdir? - unionmountopts="-o noatime,lowerdir=${unionro1},upperdir=${unionrw}" - mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" - ;; - - *) - unionmountopts="-o noatime,${noxino_opt},dirs=${unionrw}=${rw_opt}" - if [ -n "${unionro1}" ] - then - unionmountopts="${unionmountopts}:${unionro1}=${ro_opt}" - fi - if [ -n "${unionro2}" ] - then - unionmountopts="${unionmountopts}:${unionro2}=${ro_opt}" - fi - mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" - ;; - esac -} - -get_custom_mounts () -{ - # Side-effect: leaves $devices with live-persistence.conf mounted in /live/persistence - # Side-effect: prints info to file $custom_mounts - - local custom_mounts=${1} - shift - local devices=${@} - - local bindings="/tmp/bindings.list" - local links="/tmp/links.list" - rm -rf ${bindings} ${links} 2> /dev/null - - for device in ${devices} - do - if [ ! -b "${device}" ] - then - continue - fi - - local device_name="$(basename ${device})" - local backing=$(mount_persistence_media ${device}) - if [ -z "${backing}" ] - then - continue - fi - - local include_list="${backing}/${persistence_list}" - if [ ! -r "${include_list}" ] - then - continue - fi - - if [ -n "${DEBUG}" ] && [ -e "${include_list}" ] - then - cp ${include_list} /live/persistence/${persistence_list}.${device_name} - fi - - while read dir options # < ${include_list} - do - if echo ${dir} | grep -qe "^[[:space:]]*\(#.*\)\?$" - then - # skipping empty or commented lines - continue - fi - - if trim_path ${dir} | grep -q -e "^[^/]" -e "^/live\(/.*\)\?$" -e "^/\(.*/\)\?\.\.\?\(/.*\)\?$" - then - log_warning_msg "Skipping unsafe custom mount ${dir}: must be an absolute path containing neither the \".\" nor \"..\" special dirs, and cannot be \"/live\" or any sub-directory therein." - continue - fi - - local opt_source="" - local opt_link="" - for opt in $(echo ${options} | tr ',' ' '); - do - case "${opt}" in - source=*) - opt_source=${opt#source=} - ;; - link) - opt_link="yes" - ;; - union|bind) - ;; - *) - log_warning_msg "Skipping custom mount with unkown option: ${opt}" - continue 2 - ;; - esac - done - - local source="${dir}" - if [ -n "${opt_source}" ] - then - if echo ${opt_source} | grep -q -e "^/" -e "^\(.*/\)\?\.\.\?\(/.*\)\?$" && [ "${source}" != "." ] - then - log_warning_msg "Skipping unsafe custom mount with option source=${opt_source}: must be either \".\" (the media root) or a relative path w.r.t. the media root that contains neither comas, nor the special \".\" and \"..\" path components" - continue - else - source="${opt_source}" - fi - fi - - local full_source="$(trim_path ${backing}/${source})" - local full_dest="$(trim_path ${rootmnt}/${dir})" - if [ -n "${opt_link}" ] - then - echo "${device} ${full_source} ${full_dest} ${options}" >> ${links} - else - echo "${device} ${full_source} ${full_dest} ${options}" >> ${bindings} - fi - done < ${include_list} - done - - # We sort the list according to destination so we're sure that - # we won't hide a previous mount. We also ignore duplicate - # destinations in a more or less arbitrary way. - [ -e "${bindings}" ] && sort -k3 -sbu ${bindings} >> ${custom_mounts} && rm ${bindings} - - # After all mounts are considered we add symlinks so they - # won't be hidden by some mount. - [ -e "${links}" ] && cat ${links} >> ${custom_mounts} && rm ${links} - - # We need to make sure that no two custom mounts have the same sources - # or are nested; if that is the case, too much weird stuff can happen. - local prev_source="impossible source" # first iteration must not match - local prev_dest="" - # This sort will ensure that a source /a comes right before a source - # /a/b so we only need to look at the previous source - sort -k2 -b ${custom_mounts} | - while read device source dest options - do - if echo ${source} | grep -qe "^${prev_source}\(/.*\)\?$" - then - panic "Two persistence mounts have the same or nested sources: ${source} on ${dest}, and ${prev_source} on ${prev_dest}" - fi - prev_source=${source} - prev_dest=${dest} - done -} - -activate_custom_mounts () -{ - local custom_mounts="${1}" # the ouput from get_custom_mounts() - local used_devices="" - - while read device source dest options # < ${custom_mounts} - do - local opt_bind="yes" - local opt_link="" - local opt_union="" - for opt in $(echo ${options} | tr ',' ' '); - do - case "${opt}" in - bind) - opt_bind="yes" - unset opt_link opt_union - ;; - link) - opt_link="yes" - unset opt_bind opt_union - ;; - union) - opt_union="yes" - unset opt_bind opt_link - ;; - esac - done - - if [ -n "$(what_is_mounted_on "${dest}")" ] - then - if [ "${dest}" = "${rootmnt}" ] - then - umount "${dest}" - else - log_warning_msg "Skipping custom mount ${dest}: $(what_is_mounted_on "${dest}") is already mounted there" - continue - fi - fi - - if [ ! -d "${dest}" ] - then - # create the destination and delete existing files in - # its path that are in the way - path="/" - for dir in $(echo ${dest} | sed -e 's|/\+| |g') - do - path=$(trim_path ${path}/${dir}) - if [ -f ${path} ] - then - rm -f ${path} - fi - if [ ! -e ${path} ] - then - mkdir -p ${path} - if echo ${path} | grep -qe "^${rootmnt}/*home/[^/]\+" - then - # if ${dest} is in /home try fixing proper ownership by assuming that the intended user is the first, which is usually the case - # FIXME: this should really be handled by live-config since we don't know for sure which uid a certain user has until then - chown 1000:1000 ${path} - fi - fi - done - fi - - # if ${source} doesn't exist on our persistence media - # we bootstrap it with $dest from the live filesystem. - # this both makes sense and is critical if we're - # dealing with /etc or other system dir. - if [ ! -d "${source}" ] - then - if [ -n "${PERSISTENCE_READONLY}" ] - then - continue - elif [ -n "${opt_union}" ] || [ -n "${opt_link}" ] - then - # unions and don't need to be bootstrapped - # link dirs can't be bootstrapped in a sensible way - mkdir -p "${source}" - chown_ref "${dest}" "${source}" - chmod_ref "${dest}" "${source}" - elif [ -n "${opt_bind}" ] - then - # ensure that $dest is not copied *into* $source - mkdir -p "$(dirname ${source})" - cp -a "${dest}" "${source}" - fi - fi - - # XXX: If CONFIG_AUFS_ROBR is added to the Debian kernel we can - # ignore the loop below and set rofs_dest_backing=$dest - local rofs_dest_backing="" - if [ -n "${opt_link}"] - then - for d in /live/rofs/* - do - if [ -n "${rootmnt}" ] - then - rofs_dest_backing="${d}/$(echo ${dest} | sed -e "s|${rootmnt}||")" - else - rofs_dest_backing="${d}/${dest}" - fi - if [ -d "${rofs_dest_backing}" ] - then - break - else - rofs_dest_backing="" - fi - done - fi - - if [ -n "${opt_link}" ] && [ -z "${PERSISTENCE_READONLY}" ] - then - link_files ${source} ${dest} ${rootmnt} - elif [ -n "${opt_link}" ] && [ -n "${PERSISTENCE_READONLY}" ] - then - mkdir -p /live/persistence - local links_source=$(mktemp -d /live/persistence/links-source-XXXXXX) - chown_ref ${source} ${links_source} - chmod_ref ${source} ${links_source} - # We put the cow dir in the below strange place to - # make it absolutely certain that the link source - # has its own directory and isn't nested with some - # other custom mount (if so that mount's files would - # be linked, causing breakage. - local cow_dir="/live/overlay/live/persistence/$(basename ${links_source})" - mkdir -p ${cow_dir} - chown_ref "${source}" "${cow_dir}" - chmod_ref "${source}" "${cow_dir}" - do_union ${links_source} ${cow_dir} ${source} ${rofs_dest_backing} - link_files ${links_source} ${dest} ${rootmnt} - elif [ -n "${opt_union}" ] && [ -z "${PERSISTENCE_READONLY}" ] - then - do_union ${dest} ${source} ${rofs_dest_backing} - elif [ -n "${opt_bind}" ] && [ -z "${PERSISTENCE_READONLY}" ] - then - mount --bind "${source}" "${dest}" - elif [ -n "${opt_bind}" -o -n "${opt_union}" ] && [ -n "${PERSISTENCE_READONLY}" ] - then - # bind-mount and union mount are handled the same - # in read-only mode, but note that rofs_dest_backing - # is non-empty (and necessary) only for unions - if [ -n "${rootmnt}" ] - then - local cow_dir="$(echo ${dest} | sed -e "s|^${rootmnt}|/live/overlay/|")" - else - # This is happens if persistence is activated - # post boot - local cow_dir="/live/overlay/${dest}" - fi - if [ -e "${cow_dir}" ] && [ -z "${opt_link}" ] - then - # If an earlier custom mount has files here - # it will "block" the current mount's files - # which is undesirable - rm -rf "${cow_dir}" - fi - mkdir -p ${cow_dir} - chown_ref "${source}" "${cow_dir}" - chmod_ref "${source}" "${cow_dir}" - do_union ${dest} ${cow_dir} ${source} ${rofs_dest_backing} - fi - - PERSISTENCE_IS_ON="1" - export PERSISTENCE_IS_ON - - if echo ${used_devices} | grep -qve "^\(.* \)\?${device}\( .*\)\?$" - then - used_devices="${used_devices} ${device}" - fi - done < ${custom_mounts} - - echo ${used_devices} -} - -fix_backwards_compatibility () -{ - local device=${1} - local dir=${2} - local opt=${3} - - if [ -n "${PERSISTENCE_READONLY}" ] - then - return - fi - - local backing="$(mount_persistence_media ${device})" - if [ -z "${backing}" ] - then - return - fi - - local include_list="${backing}/${persistence_list}" - if [ ! -r "${include_list}" ] - then - echo "# persistence backwards compatibility: -${dir} ${opt},source=." > "${include_list}" - fi -} - -is_mountpoint () -{ - directory="$1" - - [ $(stat -fc%d:%D "${directory}") != $(stat -fc%d:%D "${directory}/..") ] -} diff --git a/scripts/live-premount/modules b/scripts/live-premount/modules deleted file mode 100755 index 1af7a9e..0000000 --- a/scripts/live-premount/modules +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/sh - -#set -e - -# initramfs-tools header - -PREREQ="udev" - -prereqs() -{ - echo "${PREREQ}" -} - -case "${1}" in - prereqs) - prereqs - exit 0 - ;; -esac - -# live-boot script - -# The following modprobe entry is a workaround to live-boot not -# finding the root filesytem. -# -# See also: -# * http://lists.alioth.debian.org/pipermail/debian-live-devel/2007-May/001459.html -# * http://lists.alioth.debian.org/pipermail/debian-live-devel/2007-June/001517.html -# * http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=363047 - -modprobe -q ide-generic -modprobe -q esp diff --git a/scripts/live-premount/readonly b/scripts/live-premount/readonly deleted file mode 100755 index 71483bd..0000000 --- a/scripts/live-premount/readonly +++ /dev/null @@ -1,35 +0,0 @@ -#!/bin/sh - -#set -e - -# initramfs-tools header - -PREREQ="udev" - -prereqs() -{ - echo "${PREREQ}" -} - -case "${1}" in - prereqs) - prereqs - exit 0 - ;; -esac - -# live-boot script - -# make sure all harddisk devices are read-only -# this is important for forensic investigations -if grep -qe forensic -qe readonly /proc/cmdline -then - for device in /dev/hd* /dev/sd* /dev/vd* - do - if [ -b "$device" ] - then - printf " * Setting device %-9s to read-only mode: " $device >/dev/console - blockdev --setro $device && printf "done [ execute \"blockdev --setrw %-9s\" to unlock]\n" $device >/dev/console || printf "failed\n" >/dev/console - fi - done -fi diff --git a/scripts/live-premount/select_eth_device b/scripts/live-premount/select_eth_device deleted file mode 100755 index fe86313..0000000 --- a/scripts/live-premount/select_eth_device +++ /dev/null @@ -1,102 +0,0 @@ -#!/bin/sh - -# Original script by Andreas Teuchert <ant+dl@hsg-kl.de> -# Modified by Frédéric Boiteux <fboiteux@calistel.com> - -PREREQ="blacklist udev" - -prereqs() -{ - echo "$PREREQ" -} - -case $1 in -# get pre-requisites -prereqs) - prereqs - exit 0 - ;; -esac - -# Boot type in initramfs's config -bootconf=$(egrep '^BOOT=' /conf/initramfs.conf | tail -1) - -# can be superseded by command line (used by Debian-Live's netboot for example) -for ARGUMENT in $(cat /proc/cmdline); do - case "${ARGUMENT}" in - netboot=*) - NETBOOT="${ARGUMENT#netboot=}" - ;; - esac -done - -if [ "$bootconf" != "BOOT=nfs" ] && - [ "$NETBOOT" = "" ] && - [ "$FETCH" = "" ] && - [ "$FTPFS" = "" ] && - [ "$HTTPFS" = "" ] -then - # Not a net boot : nothing to do - exit 0 -fi - -# we want to do some basic IP -modprobe -q af_packet - -# Available Ethernet interfaces ? -l_interfaces="" -echo "Waiting for ethernet card(s) up... If this fails, maybe the ethernet card is not supported by the kernel `uname -r`?" -while [ -z "$l_interfaces" ]; do - l_interfaces="$(cd /sys/class/net/ && ls -d eth* 2>/dev/null)" -done - -if [ $(echo $l_interfaces | wc -w) -lt 2 ]; then - # only one interface : no choice - echo "DEVICE=$l_interfaces" >> /conf/param.conf - exit 0 -fi - -# If user force to use specific device, write it -for ARGUMENT in $(cat /proc/cmdline); do - case "${ARGUMENT}" in - live-netdev=*) - NETDEV="${ARGUMENT#live-netdev=}" - echo "DEVICE=$NETDEV" >> /conf/param.conf - echo "Found live-netdev parameter in /proc/cmdline. Force to use network device $NETDEV." - exit 0 - ;; - esac -done - -found_eth_dev="" -while true; do - echo -n "Looking for a connected Ethernet interface ..." - - for interface in $l_interfaces; do - # ATTR{carrier} is not set if this is not done - echo -n " $interface ?" - ipconfig -c none -d $interface -t 1 >/dev/null 2>&1 - done - - echo '' - - for step in 1 2 3 4 5; do - for interface in $l_interfaces; do - carrier=$(cat /sys/class/net/$interface/carrier \ - 2>/dev/null) - # link detected - if [ "$carrier" = 1 ]; then - echo "Connected $interface found" - # inform initrd's init script : - found_eth_dev="$found_eth_dev $interface" - fi - done - if [ -n "$found_eth_dev" ]; then - echo "DEVICE='$found_eth_dev'" >> /conf/param.conf - exit 0 - else - # wait a bit - sleep 1 - fi - done -done |