# set -e
-export PATH=/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin
+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
+mountpoint="/live/image"
+alt_mountpoint="/media"
+LIVE_MEDIA_PATH="live"
root_persistence="live-rw"
home_persistence="home-rw"
root_snapshot_label="live-sn"
home_snapshot_label="home-sn"
-USERNAME=user
+USERNAME="user"
USERFULLNAME="Live user"
-HOSTNAME=host
-BUILD_SYSTEM=Custom
+HOSTNAME="host"
-mkdir -p $mountpoint
+mkdir -p "${mountpoint}"
+tried="/tmp/tried"
-[ -f /etc/live.conf ] && . /etc/live.conf
-export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
+# 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
+if [ ! -f /live.vars ]
+then
+ touch /live.vars
fi
-parse_cmdline ()
+Arguments ()
{
- PRESEEDS=
-
- # looking for live-initramfs specifics options as kernel parameters
+ PRESEEDS=""
+ LOCATIONS=""
- for x in $(cat /proc/cmdline)
+ for ARGUMENT in $(cat /proc/cmdline)
do
- case $x in
+ case "${ARGUMENT}" in
+ skipconfig)
+ NOACCESSIBILITY="Yes"
+ NOFASTBOOT="Yes"
+ NOFSTAB="Yes"
+ NONETWORKING="Yes"
+
+ export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
+ ;;
+
access=*)
- ACCESS=${x#access=}
+ ACCESS="${ARGUMENT#access=}"
export ACCESS
;;
console=*)
- DEFCONSOLE="${x#*=}"
- export DEFCONFSOLE
+ DEFCONSOLE="${ARGUMENT#*=}"
+ export DEFCONSOLE
+ ;;
+
+ BOOTIF=*)
+ BOOTIF="${x#BOOTIF=}"
;;
debug)
set -x
;;
- hostname=*)
- HOSTNAME=${x#hostname=}
- LIVECONF="changed"
- export HOSTNAME LIVECONF
+ dhcp)
+ # Force dhcp even while netbooting
+ # Use for debugging in case somebody works on fixing dhclient
+ DHCP="Force";
+ export DHCP
;;
- username=*)
- USERNAME=${x#username=}
- LIVECONF="changed"
- export USERNAME LIVECONF
+ nodhcp)
+ unset DHCP
;;
- userfullname=*)
- USERFULLNAME=${x#userfullname=}
- LIVECONF="changed"
- export USERFULLNAME LIVECONF
+ ethdevice=*)
+ DEVICE="${ARGUMENT#ethdevice=}"
+ ETHDEVICE="${DEVICE}"
+ export DEVICE ETHDEVICE
;;
- ip*)
- STATICIP=${x#ip=}
+ ethdevice-timeout=*)
+ ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
+ export ETHDEV_TIMEOUT
+ ;;
- if [ -z "${STATICIP}" ]
- then
- STATICIP="frommedia"
- fi
+ fetch=*)
+ FETCH="${ARGUMENT#fetch=}"
+ export FETCH
+ ;;
- export STATICIP
+ forcepersistentfsck)
+ FORCEPERSISTENTFSCK="Yes"
+ export FORCEPERSISTENTFSCK
+ ;;
+
+ ftpfs=*)
+ FTPFS="${ARGUMENT#ftpfs=}"
+ export FTPFS
+ ;;
+
+ httpfs=*)
+ HTTPFS="${ARGUMENT#httpfs=}"
+ export HTTPFS
;;
- keyb=*|kbd-chooser/method=*)
- KBD=${x#*=}
- export KBD
+ iscsi=*)
+ ISCSI="${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="${ISCSI#*;}"
+ export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
;;
- klayout=*|console-setup/layoutcode=*)
- KLAYOUT=${x#*=}
- export KLAYOUT
+ isofrom=*|fromiso=*)
+ FROMISO="${ARGUMENT#*=}"
+ export FROMISO
;;
- kvariant=*|console-setup/variantcode=*)
- KVARIANT=${x#*=}
- export KVARIANT
+ ignore_uuid)
+ IGNORE_UUID="Yes"
+ export IGNORE_UUID
;;
- kmodel=*|console-setup/modelcode=*)
- KMODEL=${x#*=}
- export KMODEL
+ integrity-check)
+ INTEGRITY_CHECK="Yes"
+ export INTEGRITY_CHECK
;;
- koptions=*)
- KOPTIONS=${x#koptions=}
- export KOPTIONS
+ ip=*)
+ STATICIP="${ARGUMENT#ip=}"
+
+ if [ -z "${STATICIP}" ]
+ then
+ STATICIP="frommedia"
+ fi
+
+ export STATICIP
;;
live-getty)
- LIVE_GETTY=1
+ LIVE_GETTY="1"
export LIVE_GETTY
;;
live-media=*|bootfrom=*)
- LIVE_MEDIA=${x#*=}
+ LIVE_MEDIA="${ARGUMENT#*=}"
export LIVE_MEDIA
;;
live-media-encryption=*|encryption=*)
- LIVE_MEDIA_ENCRYPTION=${x#*=}
+ LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
export LIVE_MEDIA_ENCRYPTION
;;
live-media-offset=*)
- LIVE_MEDIA_OFFSET=${x#live-media-offset=}
+ LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
export LIVE_MEDIA_OFFSET
;;
- live-media-timeout=*)
- LIVE_MEDIA_TIMEOUT=${x#live-media-timeout=}
- export LIVE_MEDIA_TIMEOUT
+ live-media-path=*)
+ LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
+ export LIVE_MEDIA_PATH
;;
- locale=*|debian-installer/locale=*)
- LOCALE=${x#*=}
- export LOCALE
+ live-media-timeout=*)
+ LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
+ export LIVE_MEDIA_TIMEOUT
;;
module=*)
- MODULE=${x#module=}
+ MODULE="${ARGUMENT#module=}"
export MODULE
;;
- netboot*)
- NETBOOT=${x#netboot=}
+ netboot=*)
+ NETBOOT="${ARGUMENT#netboot=}"
export NETBOOT
;;
nfsopts=*)
- NFSOPTS=${x#nfsopts=}
+ NFSOPTS="${ARGUMENT#nfsopts=}"
export NFSOPTS
;;
- noautologin)
- NOAUTOLOGIN="Yes"
- export NOAUTOLOGIN
+ nfscow=*)
+ NFS_COW="${ARGUMENT#nfscow=}"
+ export NFS_COW
;;
- noxautologin)
- NOXAUTOLOGIN="Yes"
- export NOXAUTOLOGIN
+ noaccessibility)
+ NOACCESSIBILITY="Yes"
+ export NOACCESSIBILITY
;;
nofastboot)
export NOFASTBOOT
;;
- nopersistent)
- PERSISTENT=""
- export PERSISTENT
+ nofstab)
+ NOFSTAB="Yes"
+ export NOFSTAB
+ ;;
+
+ nonetworking)
+ NONETWORKING="Yes"
+ export NONETWORKING
;;
- nosudo)
- NOSUDO="Yes"
- export NOSUDO
+ ramdisk-size=*)
+ ramdisk_size="${ARGUMENT#ramdisk-size=}"
;;
- noswap)
- NOSWAP="Yes"
- export NOSWAP
+ swapon)
+ SWAPON="Yes"
+ export SWAPON
;;
persistent)
export PERSISTENT
;;
+ persistent-encryption=*)
+ PERSISTENT_ENCRYPTION="${ARGUMENT#*=}"
+ export PERSISTENT_ENCRYPTION
+ ;;
+
+ persistent-media=*)
+ PERSISTENT_MEDIA="${ARGUMENT#*=}"
+ export PERSISTENT_MEDIA
+ ;;
+ persistent-method=*)
+ PERSISTENT_METHOD="${ARGUMENT#*=}"
+ export PERSISTENT_METHOD
+ ;;
+
+ persistent-path=*)
+ PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
+ export PERSISTENT_PATH
+ ;;
+ persistent-read-only)
+ PERSISTENT_READONLY="Yes"
+ export PERSISTENT_READONLY
+ ;;
+
+ persistent-storage=*)
+ PERSISTENT_STORAGE="${ARGUMENT#persistent-storage=}"
+ export PERSISTENT_STORAGE
+ ;;
+
+ persistent-subtext=*)
+ root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
+ home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
+ root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
+ home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
+ ;;
+
+ nopersistent)
+ NOPERSISTENT="Yes"
+ export NOPERSISTENT
+ ;;
+
+ noprompt)
+ NOPROMPT="Yes"
+ export NOPROMPT
+ ;;
+
+ noprompt=*)
+ NOPROMPT="${ARGUMENT#noprompt=}"
+ export NOPROMPT
+ ;;
+
+ quickusbmodules)
+ QUICKUSBMODULES="Yes"
+ export QUICKUSBMODULES
+ ;;
+
preseed/file=*|file=*)
- LOCATION="${x#*=}"
- export LOCATION
+ LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
+ export LOCATIONS
+ ;;
+
+ nopreseed)
+ NOPRESEED="Yes"
+ export NOPRESEED
;;
*/*=*)
- question="${x%%=*}"
- value="${x#*=}"
+ question="${ARGUMENT%%=*}"
+ value="${ARGUMENT#*=}"
PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
-
export PRESEEDS
;;
export SHOWMOUNTS
;;
- timezone=*)
- TIMEZONE="${x#timezone=}"
- export TIMEZONE
+ silent)
+ SILENT="Yes"
+ export SILENT
;;
todisk=*)
- TODISK=${x#todisk=}
+ TODISK="${ARGUMENT#todisk=}"
export TODISK
;;
export TORAM
;;
- union=*)
- UNIONTYPE="${x#union=}"
- export UNIONTYPE
+ toram=*)
+ TORAM="Yes"
+ MODULETORAM="${ARGUMENT#toram=}"
+ export TORAM MODULETORAM
;;
- xdebconf)
- XDEBCONF="Yes"
- export XDEBCONF
+ exposedroot)
+ EXPOSED_ROOT="Yes"
+ export EXPOSED_ROOT
;;
- xvideomode=*)
- XVIDEOMODE="${x#xvideomode=}"
- export XVIDEOMODE
+ 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
if [ -z "${UNIONTYPE}" ]
then
- UNIONTYPE="unionfs"
+ UNIONTYPE="aufs"
export UNIONTYPE
fi
+
+ if [ -z "${PERSISTENT_ENCRYPTION}" ]
+ then
+ PERSISTENT_ENCRYPTION="none"
+ export PERSISTENT_ENCRYPTION
+ elif echo ${PERSISTENT_ENCRYPTION} | grep -qe "\<luks\>"
+ then
+ if ! modprobe dm-crypt
+ then
+ log_warning_msg "Unable to load module dm-crypt"
+ PERSISTENT_ENCRYPTION=$(echo ${PERSISTENT_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
+ export PERSISTENT_ENCRYPTION
+ fi
+
+ if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
+ then
+ log_warning_msg "cryptsetup in unavailable"
+ PERSISTENT_ENCRYPTION=$(echo ${PERSISTENT_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
+ export PERSISTENT_ENCRYPTION
+ fi
+ fi
+
+ if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_METHOD}" ]
+ then
+ PERSISTENT_METHOD="snapshot,overlay"
+ export PERSISTENT_METHOD
+ fi
+
+ if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_STORAGE}" ]
+ then
+ PERSISTENT_STORAGE="filesystem,file"
+ export PERSISTENT_STORAGE
+ fi
}
-is_live_path()
+is_live_path ()
{
DIRECTORY="${1}"
- if [ -d "${DIRECTORY}"/live ]
+ if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
then
- for FILESYSTEM in squashfs ext2 ext3 xfs dir
+ for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
do
- if [ "`echo ${DIRECTORY}/live/*.${FILESYSTEM}`" != "${DIRECTORY}/live/*.${FILESYSTEM}" ]
+ if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
then
return 0
fi
return 1
}
-get_backing_device() {
- case "$1" in
- *.squashfs|*.ext2|*.ext3)
- echo $(setup_loop "$1" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
- ;;
- *.dir)
- echo "directory"
- ;;
- *)
- panic "Unrecognized live filesystem: $1"
- ;;
- esac
-}
+matches_uuid ()
+{
+ if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
+ then
+ return 0
+ fi
-match_files_in_dir() {
- # Does any files match pattern $1 ?
+ path="${1}"
+ uuid="$(cat /conf/uuid.conf)"
- local pattern="$1"
- if [ "$(echo $pattern)" != "$pattern" ]; then
- return 0
- fi
- return 1
-}
+ for try_uuid_file in "${path}/.disk/live-uuid"*
+ do
+ [ -e "${try_uuid_file}" ] || continue
-mount_images_in_directory() {
- directory="$1"
- rootmnt="$2"
- if match_files_in_dir "$directory/live/*.squashfs" ||
- match_files_in_dir "$directory/live/*.ext2" ||
- match_files_in_dir "$directory/live/*.ext3" ||
- match_files_in_dir "$directory/live/*.dir"; then
- setup_unionfs "$directory/live" "$rootmnt"
- else
- :
- fi
-}
+ try_uuid="$(cat "${try_uuid_file}")"
-is_nice_device() {
- sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"; then
- return 0
- fi
- return 1
-}
+ if [ "${uuid}" = "${try_uuid}" ]
+ then
+ return 0
+ fi
+ done
-is_supported_fs () {
- # FIXME: do something better like the scan of supported filesystems
- fstype="${1}"
- case ${fstype} in
- vfat|iso9660|udf|ext2|ext3|ntfs)
- return 0
- ;;
- esac
- return 1
+ return 1
}
-copy_live_to() {
- copyfrom="${1}"
- copytodev="${2}"
- copyto="${copyfrom}_swap"
-
- size=$(fs_size "" ${copyfrom} "used")
-
- if [ "${copytodev}" = "ram" ]; then
- # copying to ram:
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
- mount_options="-o size=${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
- [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
- return 1
- fi
- fi
- if [ "${freespace}" -lt "${size}" ] ; then
- [ "$quiet" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k > ${size}k) to copy live media in ${copytodev}."
- return 1
- fi
-
- # begin copying..
- mkdir "${copyto}"
- echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
- mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
- cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
- umount ${copyfrom}
- mount -r --move ${copyto} ${copyfrom}
- rmdir ${copyto}
- return 0
+get_backing_device ()
+{
+ case "${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
}
-do_netmount() {
- rc=1
+match_files_in_dir ()
+{
+ # Does any files match pattern ${1} ?
+ local pattern="${1}"
- modprobe "${MP_QUIET}" af_packet # For DHCP
+ if [ "$(echo ${pattern})" != "${pattern}" ]
+ then
+ return 0
+ fi
- udevtrigger
- udevsettle
+ return 1
+}
- ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config
+mount_images_in_directory ()
+{
+ directory="${1}"
+ rootmnt="${2}"
+ mac="${3}"
- if [ "${NFSROOT}" = "auto" ]; then
- NFSROOT=${ROOTSERVER}:${ROOTPATH}
- fi
- [ "$quiet" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+ if match_files_in_dir "${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
+}
- if [ "${NETBOOT}" != "nfs" ] && do_cifsmount ; then
- rc=0
- elif do_nfsmount ; then
- NETBOOT="nfs"
- export NETBOOT
- rc=0
- fi
+is_nice_device ()
+{
+ sysfs_path="${1#/sys}"
- [ "$quiet" != "y" ] && log_end_msg
- return ${rc}
-}
+ if [ -e /lib/udev/path_id ]
+ then
+ # squeeze
+ PATH_ID="/lib/udev/path_id"
+ else
+ # wheezy/sid (udev >= 174)
+ PATH_ID="/sbin/udevadm test-builtin path_id"
+ fi
-do_nfsmount() {
- rc=1
- modprobe "${MP_QUIET}" nfs
- if [ -z "${NFSOPTS}" ]; then
- NFSOPTS=""
- fi
-
- [ "$quiet" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
- # FIXME: This for loop is an ugly HACK round an nfs bug
- for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
- nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
- sleep 1
- done
- return ${rc}
-}
+ if "${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 ${sysfs_path} | grep -q "^/block/mtdblock"
+ then
+ return 0
+ fi
-do_cifsmount() {
- rc=1
- if [ -x "/sbin/mount.cifs" ]; then
- if [ -z "${NFSOPTS}" ]; then
- CIFSOPTS="-ouser=root,password="
- else
- CIFSOPTS="${NFSOPTS}"
- fi
-
- [ "$quiet" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
- modprobe "${MP_QUIET}" cifs
-
- if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}" ; then
- rc=0
- fi
- fi
- return ${rc}
+ return 1
}
-do_snap_copy ()
+copy_live_to ()
{
- fromdev="${1}"
- todir="${2}"
- snap_type="${3}"
-
- size=$(fs_size "${fromdev}" "" "used")
-
- if [ -b "${fromdev}" ]; then
- # look for free mem
- if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]; then
- todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
- freespace=$(df -k | grep -s ${todev} | awk '{print $4}')
- else
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
- fi
-
- tomount="/mnt/tmpsnap"
- if [ ! -d "${tomount}" ] ; then
- mkdir -p "${tomount}"
- fi
-
- fstype=$(get_fstype "${fromdev}")
- if [ -n "${fstype}" ]; then
- # Copying stuff...
- 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
- return 1
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
- fi
+ copyfrom="${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
}
-try_snap ()
+do_netsetup ()
{
- # Look for $snap_label.* in block devices and copy the contents to $snap_mount
- # and remember the device and filename for resync on exit in live-initramfs.init
-
- snap_label="${1}"
- snap_mount="${2}"
- snap_type="${3}"
-
- snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3")
- if [ ! -z "${snapdata}" ]; then
- snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
- snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
- snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
- if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\)'; then
- # squashfs or ext2/ext3 snapshot
- dev=$(get_backing_device "${snapback}/${snapfile}")
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"; then
- log_warning_msg "Impossible to include the ${snapfile} Snapshot"
- return 1
- fi
- else
- # cpio.gz snapshot
- if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio -i -u -d 2>/dev/null) ; then
- log_warning_msg "Impossible to include the ${snapfile} Snapshot"
- return 1
- fi
- fi
- umount "${snapback}"
- else
- dev=$(find_cow_device "${snap_label}")
- if [ -b ${dev} ]; then
- if echo "${dev}" | grep -qs loop; then
- # strange things happens, user confused?
- snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
- snapfile=$(basename ${snaploop})
- snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
- else
- snapdev="${dev}"
- fi
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" ; then
- log_warning_msg "Impossible to include the ${snap_label} Snapshot"
- return 1
- else
- if [ -n "${snapfile}" ]; then
- # it was a loop device, user confused
- umount ${snapdev}
- fi
- fi
- else
- log_warning_msg "Impossible to include the ${snap_label} Snapshot"
- return 1
- fi
- fi
- echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
- return 0
-}
+ modprobe -q af_packet # For DHCP
-setup_unionfs() {
- image_directory="$1"
- rootmnt="$2"
+ udevadm trigger
+ udevadm settle
- modprobe "${MP_QUIET}" -b ${UNIONTYPE}
+ [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
+ echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
- # run-init can't deal with images in a subdir, but we're going to
- # move all of these away before it runs anyway. No, we're not,
- # put them in / since move-mounting them into / breaks mono and
- # some other apps.
+ if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
+ [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
+ then
- croot="/"
- # Let's just mount the read-only file systems first
- rofsstring=""
- rofslist=""
- if [ "${NETBOOT}" = "nfs" ] ; then
- roopt="nfsro" # go aroung a bug in nfs-unionfs locking
- else
- roopt="ro"
- fi
+ # support for Syslinux IPAPPEND parameter
+ # it sets the BOOTIF variable on the kernel parameter
- # Read image names from ${MODULE}.module if it exists
- if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
+ if [ -n "${BOOTIF}" ]
then
- for IMAGE in `cat ${image_directory}/filesystem.${MODULE}.module`
+ # 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 $temp_mac
do
- image_string="${image_string} ${image_directory}/${image}"
+ if [ -z "$bootif_mac" ]
+ then
+ bootif_mac="$x"
+ else
+ bootif_mac="$bootif_mac:$x"
+ fi
done
- elif [ -e "${image_directory}/${MODULE}.module" ]
- then
- for IMAGE in `cat ${image_directory}/${MODULE}.module`
+ 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
- image_string="${image_string} ${image_directory}/${image}"
+ 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 $device"
+ done
+
+ # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
+ # an endless loop; iff execution fails give it two further tries, that's
+ # why we use '$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, iff so let's use the according 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
- # ${MODULE}.module does not exist, create a list of images
- for FILESYSTEM in squashfs ext2 ext3 xfs dir
- do
- for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
+ 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} ${IPV4DNS1}
do
- if [ -e "${IMAGE}" ]
+ if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
then
- image_string="${image_string} ${IMAGE}"
+ echo "nameserver $i" >> /etc/resolv.conf
fi
done
- done
+ fi
- # Now sort the list
- image_string="`echo ${image_string} | sed -e 's/ /\n/g' | sort `"
- fi
-
- mkdir -p "${croot}"
- for image in ${image_string}; do
- imagename=$(basename "${image}")
- if [ -d "${image}" ]; then
- # it is a plain directory: do nothing
- rofsstring="${image}=${roopt}:${rofsstring}"
- rofslist="${image} ${rofslist}"
- elif [ -f "${image}" ]; then
- backdev=$(get_backing_device "$image")
- fstype=$(get_fstype "${backdev}")
- if [ "${fstype}" = "unknown" ]; then
- panic "Unknown file system type on ${backdev} (${image})"
- fi
- mkdir -p "${croot}/${imagename}"
- mount -t "${fstype}" -o ro "${backdev}" "${croot}/${imagename}" || panic "Can not mount $backdev ($image) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
- fi
- done
- rofsstring=${rofsstring%:}
-
- mkdir -p /cow
- cowdevice="tmpfs"
- cow_fstype="tmpfs"
-
- # Looking for "${root_persistence}" device or file
- if [ -n "${PERSISTENT}" ]; then
- cowprobe=$(find_cow_device "${root_persistence}")
- if [ -b "${cowprobe}" ]; then
- cowdevice=${cowprobe}
- cow_fstype=$(get_fstype "${cowprobe}")
- else
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent medium"
- fi
- fi
-
- mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not mount $cowdevice on /cow"
-
- mount -t ${UNIONTYPE} -o dirs=/cow=rw:$rofsstring ${UNIONTYPE} "$rootmnt" || panic "${UNIONTYPE} mount failed"
-
- # Adding other custom mounts
- if [ -n "${PERSISTENT}" ]; then
- # directly mount /home
- # FIXME: add a custom mounts configurable system
- homecow=$(find_cow_device "${home_persistence}" )
- if [ -b "${homecow}" ]; then
- mount -t $(get_fstype "${homecow}") -o rw "${homecow}" "${rootmnt}/home"
- export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
- else
- [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
- fi
- # Look for other snapshots to copy in
- try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
- try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
- fi
-
- if [ -n "${SHOWMOUNTS}" ]; then
- for d in ${rofslist}; do
- mkdir -p "${rootmnt}/live/${d##*/}"
- case d in
- *.dir) # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
- ;;
- *) mount --move "${d}" "${rootmnt}/live/${d##*/}"
- ;;
- esac
- done
- fi
-
- # shows cow fs on /cow for use by live-snapshot
- mkdir -p "${rootmnt}/live/cow"
- mount -o bind /cow "${rootmnt}/live/cow"
+ # Check if we have a network device at all
+ if ! ls /sys/class/net/"$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
}
-check_dev ()
+do_netmount()
{
- sysdev="${1}"
- devname="${2}"
- if [ -z "${devname}" ]; then
- devname=$(sys2dev "${sysdev}")
- fi
-
- if [ -n "${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
- mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
- if is_live_path $mountpoint; then
- echo $mountpoint
- return 0
- else
- umount $mountpoint
- fi
- fi
-
- if [ -n "${LIVE_MEDIA_OFFSET}" ]; then
- losetup -d "${loopdevname}"
- fi
- return 1
-}
+ do_netsetup
+
+ if [ "${NFSROOT}" = "auto" ]
+ then
+ NFSROOT=${ROOTSERVER}:${ROOTPATH}
+ fi
-find_livefs() {
- timeout="${1}"
- # first look at the one specified in the command line
- if [ ! -z "${LIVE_MEDIA}" ]; then
- if check_dev "null" "${LIVE_MEDIA}"; then
- return 0
- fi
- fi
- # don't start autodetection before timeout has expired
- if [ -n "${LIVE_MEDIA_TIMEOUT}" ]; then
- if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]; then
- return 1
- fi
- fi
- # or do the scan of block devices
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram); do
- devname=$(sys2dev "${sysblock}")
- fstype=$(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 \
- "${fstype}" = "ext2" -o \
- "${fstype}" = "ext3" ]; then
- # This is an ugly hack situation, the block device has
- # an image directly on it. It's hopefully
- # live-initramfs, so take it and run with it.
- ln -s "${devname}" "${devname}.${fstype}"
- echo "${devname}.${fstype}"
- return 0
- fi
- done
- return 1
+ rc=1
+
+ if ( [ -n "${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 ${rc}
}
-pulsate() {
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "PULSATE"
- fi
+do_iscsi()
+{
+ do_netsetup
+ #modprobe ib_iser
+ modprobe iscsi_tcp
+ local debugopt=""
+ [ "${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: $devices)."
+ else
+ panic "Failed to locate iSCSI host in /sys"
+ fi
}
-set_usplash_timeout() {
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "TIMEOUT 120"
- fi
+do_httpmount ()
+{
+ rc=1
+
+ for webfile in HTTPFS FTPFS FETCH
+ do
+ local url="$(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 ${rc}
}
-mountroot() {
- exec 6>&1
- exec 7>&2
- exec > live.log
- exec 2>&1
-
- parse_cmdline
-
- set_usplash_timeout
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-premount"
- pulsate
- run_scripts /scripts/live-premount
- [ "$quiet" != "y" ] && log_end_msg
-
- # Needed here too because some things (*cough* udev *cough*)
- # changes the timeout
-
- set_usplash_timeout
-
- if [ ! -z "${NETBOOT}" ]; then
- if do_netmount ; then
- livefs_root="${mountpoint}"
- else
- panic "Unable to find a live file system on the network"
- fi
- else
- # Scan local devices for the image
- for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do
- livefs_root=$(find_livefs $i)
- if [ -n "${livefs_root}" ]; then
- break
- fi
- sleep 1
- done
- fi
-
- if [ -z "${livefs_root}" ]; then
- panic "Unable to find a medium containing a live file system"
- fi
-
- if [ "${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}" "${live_dest}"
- log_end_msg
- fi
-
- mount_images_in_directory "${livefs_root}" "${rootmnt}"
-
- log_end_msg
-
- maybe_break live-bottom
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
-
- pulsate
- run_scripts /scripts/live-bottom
- [ "$quiet" != "y" ] && log_end_msg
-
- exec 1>&6 6>&-
- exec 2>&7 7>&-
- cp live.log "${rootmnt}/var/log/"
+do_nfsmount ()
+{
+ rc=1
+
+ modprobe -q nfs
+
+ if [ -z "${NFSOPTS}" ]
+ then
+ 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="${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 ${PERSISTENT_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)
+ 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 [ "${UNIONTYPE}" = "aufs" ]
+ then
+ roopt="rr+wh"
+ noxino_opt="noxino,"
+ elif [ "${UNIONTYPE}" = "unionfs-fuse" ]
+ then
+ roopt="RO"
+ else
+ roopt="ro"
+ fi
+
+ 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 $mountpoint
+ log_end_msg
+ fi
+
+ mkdir -p /cow
+
+ # Looking for "${root_persistence}" device or file
+ if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ 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 ${num_block} ]
+ then
+ break
+ fi
+ done
+ fi
+
+ case "${PERSISTENT_MEDIA}" in
+ removable)
+ whitelistdev="$(removable_dev)"
+ ;;
+ removable-usb)
+ whitelistdev="$(removable_usb_dev)"
+ ;;
+ *)
+ whitelistdev=""
+ ;;
+ esac
+
+ if echo ${PERSISTENT_METHOD} | grep -qe "\<overlay\>"
+ then
+ overlays="${root_persistence} ${home_persistence}"
+ fi
+
+ if echo ${PERSISTENT_METHOD} | grep -qe "\<snapshot\>"
+ then
+ snapshots="${root_snapshot_label} ${home_snapshot_label}"
+ fi
+
+
+ for media in $(find_persistent_media "${overlays}" "${snapshots}" "${blacklistdev}" "${whitelistdev}")
+ do
+ media="$(echo ${media} | tr ":" " ")"
+ case ${media} in
+ ${root_persistence}=*)
+ cowprobe="${media#*=}"
+ ;;
+ ${home_persistence}=*)
+ homecow="${media#*=}"
+ ;;
+ ${root_snapshot_label}=*)
+ root_snapdata="${media#*=}"
+ ;;
+ ${home_snapshot_label}=*)
+ # This second type should be removed when snapshot will get smarter,
+ # hence when "/etc/live-snapshot*list" will be supported also by
+ # ext2|ext3|ext4|jffs2 snapshot types.
+ home_snapdata="${media#*=}"
+ ;;
+ *)
+ ;;
+ esac
+ done
+
+ if [ -b "${cowprobe}" ] || [ -b "${homecow}" ]
+ then
+ PERSISTENCE_IS_ON="1"
+ export PERSISTENCE_IS_ON
+ fi
+
+ if [ -b "${cowprobe}" ]
+ then
+ cowdevice=${cowprobe}
+ cow_fstype=$(get_fstype "${cowprobe}")
+ if [ -z "${PERSISTENT_READONLY}" ]
+ then
+ cow_mountopt="rw,noatime"
+ else
+ cow_mountopt="ro,noatime"
+ fi
+
+ if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
+ then
+ fsck -y ${cowdevice}
+ fi
+ fi
+ elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
+ 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 "${PERSISTENT_READONLY}" ]
+ then
+ nfs_cow_opts="${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 "${PERSISTENT_READONLY}" ]
+ then
+ persistent_root="/$(basename ${cowdevice})-backing"
+ mkdir -p ${persistent_root}
+ else
+ persistent_root="/cow"
+ fi
+
+ if [ "${cow_fstype}" = "nfs" ]
+ then
+ log_begin_msg \
+ "Trying nfsmount ${nfs_cow_opts} ${cowdevice} ${persistent_root}"
+ nfsmount ${nfs_cow_opts} ${cowdevice} ${persistent_root} || \
+ panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on ${persistent_root}"
+ else
+ mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} ${persistent_root} || \
+ panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on ${persistent_root}"
+ fi
+ fi
+
+ rofscount=$(echo ${rofslist} |wc -w)
+
+ if [ ${rofscount} -ne 1 ]
+ then
+ panic "only one RO file system supported with exposedroot: ${rofslist}"
+ fi
+ rofs=${rofslist%% }
+
+ if [ -n "${EXPOSED_ROOT}" ]
+ then
+ 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
+
+ unionmountopts=""
+ unionmountpoint=""
+
+ for dir in ${cow_dirs}; do
+ mkdir -p /cow${dir}
+
+ unionmountpoint="${rootmnt}${dir}"
+ unionrw="/cow${dir}"
+ unionro="${rofs}${dir}"
+ # We don't handle spaces and other junk gracefully here, hopefully not needed.
+ case "${UNIONTYPE}" in
+ unionfs-fuse)
+ unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid"
+ unionmountopts="${unionmountopts} ${unionrw}=RW:${unionro}=RO"
+ ( 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 )
+ ;;
+
+ unionmount)
+ unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
+ mount_full $unionmountopts "${unionmountpoint}"
+ ;;
+
+
+ *)
+ if [ -n "${PERSISTENT_READONLY}" ]
+ then
+ mount -t tmpfs -o rw,noatime,mode=755 tmpfs "${unionrw}"
+ unionmountopts="-o noatime,${noxino_opt}dirs=${unionrw}=rw:${persistent_root}=${roopt}:${unionro}=${roopt}"
+ else
+ unionmountopts="-o noatime,${noxino_opt}dirs=${unionrw}=rw:${unionro}=${roopt}"
+ fi
+ mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
+ ;;
+ esac || \
+ panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}"
+ done
+
+ # Correct the permissions of /:
+ chmod 0755 "${rootmnt}"
+
+ # tmpfs file systems
+ touch /etc/fstab
+ mkdir -p "${rootmnt}/live"
+ mount -t tmpfs tmpfs ${rootmnt}/live
+
+ # Adding other custom mounts
+ if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ then
+ # directly mount /home
+ # FIXME: add a custom mounts configurable system
+
+ if [ -b "${homecow}" ]
+ then
+ if [ -z "${PERSISTENT_READONLY}" ]
+ then
+ mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
+ else
+ homerw="/cow/home"
+ homero="/$(basename ${homecow})-backing"
+ homemountpoint="${rootmnt}/home"
+ mkdir -p ${homerw} ${homero} ${homemountpoint}
+ mount -t $(get_fstype "${homecow}") -o ro "${homecow}" "${homero}"
+ mount -t "${UNIONTYPE}" -o "noatime,${noxino_opt}dirs=${homerw}=rw:${homero}=${roopt}" "${UNIONTYPE}" "${homemountpoint}"
+ fi
+ export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
+ else
+ log_warning_msg "Unable to find the persistent home medium"
+ fi
+
+ # Look for other snapshots to copy in
+ try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
+ # This second type should be removed when snapshot grow smarter
+ try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
+ fi
+
+ if [ -n "${SHOWMOUNTS}" ]
+ then
+ for d in ${rofslist}
+ do
+ mkdir -p "${rootmnt}/live/${d##*/}"
+
+ case d in
+ *.dir)
+ # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+
+ *)
+ case "${UNIONTYPE}" in
+ unionfs-fuse)
+ mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+
+ *)
+ mount -o move "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+ esac
+ ;;
+ esac
+ done
+ fi
+
+ # shows cow fs on /cow for use by live-snapshot
+ mkdir -p "${rootmnt}/live/cow"
+ 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 ${rootmnt}/live/cow"
+}
+
+check_dev ()
+{
+ sysdev="${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 [ "$ISO_DEVICE" = "/" ]
+ then
+ echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live-boot.log
+ else
+ fs_type=$(get_fstype "${ISO_DEVICE}")
+ if is_supported_fs ${fs_type}
+ then
+ mkdir /isofrom
+ mount -t $fs_type "$ISO_DEVICE" /isofrom
+ ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
+ loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
+ devname="${loopdevname}"
+ else
+ echo "Warning: unable to mount $ISO_DEVICE." >>/live-boot.log
+ fi
+ fi
+ fi
+
+ if [ -z "${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 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 ${media_mountpoint}
+ sync
+ echo u > /proc/sysrq-trigger
+ echo b > /proc/sysrq-trigger
+ else
+ panic "Not ok, a media defect is likely, switch to VT8 for details."
+ fi
+}
+
+mountroot ()
+{
+ if [ -x /scripts/local-top/cryptroot ]; then
+ /scripts/local-top/cryptroot
+ fi
+
+ exec 6>&1
+ exec 7>&2
+ exec > live-boot.log
+ exec 2>&1
+ tail -f live-boot.log >&7 &
+ tailpid="${!}"
+
+ # 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" ] && [ "${TORAM}" ]
+ then
+ losetup -d /dev/loop0
+ grep -q /isofrom /proc/mounts && umount /isofrom
+ fi
+
+ if [ -n "${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
+
+ # 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/" ] && cp live-boot.log "${rootmnt}/var/log/" 2>/dev/null
}
projects / live-boot-grml.git / blobdiff