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
[ -f /etc/live.conf ] && . /etc/live.conf
export USERNAME USERFULLNAME HOSTNAME
for ARGUMENT in $(cat /proc/cmdline)
do
case "${ARGUMENT}" in
+ skipconfig)
+ NOACCESSIBILITY="Yes"
+ NOAPPARMOR="Yes"
+ NOAPTCDROM="Yes"
+ NOAUTOLOGIN="Yes"
+ NOCONSOLEKEYBOARD="Yes"
+ NOFASTBOOT="Yes"
+ NOFSTAB="Yes"
+ NOGNOMEPANEL="Yes"
+ NOHOSTS="Yes"
+ NOJOCKEY="Yes"
+ NOKPERSONALIZER="Yes"
+ NOLANGUAGESELECTOR="Yes"
+ NOLOCALES="Yes"
+ NONETWORKING="Yes"
+ NOPOLKITCONF="Yes"
+ NOPOWERMANAGEMENT="Yes"
+ NOPROGRAMCRASHES="Yes"
+ NOSUDO="Yes"
+ NOTIMEZONE="Yes"
+ NOUPDATENOTIFIER="Yes"
+ NOUSER="Yes"
+ NOXAUTOCONFIG="Yes"
+ NOXAUTOLOGIN="Yes"
+ NOXSCREENSAVER="Yes"
+
+ export NOACCESSIBILITY NOAPPARMOR NOAPTCDROM NOAUTOLOGIN NOCONSOLEKEYBOARD NOFASTBOOT NOFSTAB NOGNOMEPANEL NOHOSTS NOJOCKEY NOKPERSONALIZER NOLANGUAGESELECTOR NOLOCALES NONETWORKING NOPOLKITCONF NOPOWERMANAGEMENT NOPROGRAMCRASHES NOSUDO NOTIMEZONE NOUPDATENOTIFIER NOUSER NOXAUTOCONFIG NOXAUTOLOGIN NOXSCREENSAVER
+ ;;
+
access=*)
ACCESS="${ARGUMENT#access=}"
export ACCESS
set -x
;;
+ ethdevice=*)
+ DEVICE="${ARGUMENT#ethdevice=}"
+ export DEVICE
+ ;;
+
+ ethdevice=*)
+ ETHDEVICE="${ARGUMENT#ethdevice=}"
+ export ETHDEVICE
+ ;;
+
+ ethdevice-timeout=*)
+ ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
+ export ETHDEV_TIMEOUT
+ ;;
+
fetch=*)
FETCH="${ARGUMENT#fetch=}"
export FETCH
;;
+ forcepersistentfsck)
+ FORCEPERSISTENTFSCK="Yes"
+ export FORCEPERSISTENTFSCK
+ ;;
+
+ hook=*)
+ HOOK="${ARGUMENT#hook=}"
+ export HOOK
+ ;;
+
+ ftpfs=*)
+ FTPFS="${ARGUMENT#ftpfs=}"
+ export FTPFS
+ ;;
+
+ httpfs=*)
+ HTTPFS="${ARGUMENT#httpfs=}"
+ export HTTPFS
+ ;;
+
hostname=*)
HOSTNAME="${ARGUMENT#hostname=}"
LIVECONF="changed"
export HOSTNAME LIVECONF
;;
+ isofrom=*|fromiso=*)
+ FROMISO="${ARGUMENT#*=}"
+ export FROMISO
+ ;;
+
username=*)
USERNAME="${ARGUMENT#username=}"
LIVECONF="changed"
export IGNORE_UUID
;;
+ integrity-check)
+ INTEGRITY_CHECK="Yes"
+ export INTEGRITY_CHECK
+ ;;
+
ip=*)
STATICIP="${ARGUMENT#ip=}"
export LIVE_MEDIA_TIMEOUT
;;
+ language=*|debian-installer/language=*)
+ language=${x#debian-installer/language=}
+ locale="$(lang2locale "$language")"
+ set_locale="true"
+ ;;
+
locale=*|debian-installer/locale=*)
LOCALE="${ARGUMENT#*=}"
export LOCALE
export NOKPERSONALIZER
;;
- nokwallet)
- NOKWALLET="Yes"
- export NOKWALLET
- ;;
-
nolanguageselector)
NOLANGUAGESELECTOR="Yes"
export NOLANGUAGESELECTOR
export NOPROGRAMCRASHES
;;
- norestrictedmanager)
- NORESTRICTEDMANAGER="Yes"
- export NORESTRICTEDMANAGER
+ nojockey)
+ NOJOCKEY="Yes"
+ export NOJOCKEY
;;
nosudo)
export NOSUDO
;;
- noswap)
- NOSWAP="Yes"
- export NOSWAP
+ swapon)
+ SWAPON="Yes"
+ export SWAPON
;;
noupdatenotifier)
export PERSISTENT
;;
+ persistent=*)
+ PERSISTENT="${ARGUMENT#persistent=}"
+ if [ -z "${PERSISTENT}" ]
+ then
+ PERSISTENT="Yes"
+ fi
+ export PERSISTENT
+ ;;
+
+ persistent-path=*)
+ PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
+ export PERSISTENT_PATH
+ ;;
+
+ persistent-subtext=*)
+ root_persistence="${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}-${ARGUMENT#persistent-subtext=}"
+ ;;
+
nopersistent)
NOPERSISTENT="Yes"
export NOPERSISTENT
;;
+ quickusbmodules)
+ QUICKUSBMODULES="Yes"
+ export QUICKUSBMODULES
+ ;;
+
preseed/file=*|file=*)
LOCATION="${ARGUMENT#*=}"
export LOCATION
url=*)
location="${ARGUMENT#url=}"
- mount -n -o bind /sys /root/sys
- mount -n -o bind /proc /root/proc
- mount -n -o bind /dev /root/dev
+ mount -o bind /sys /root/sys
+ mount -o bind /proc /root/proc
+ mount -o bind /dev /root/dev
mkdir -p /root/var/run/network
- chroot /root ifup -a
+ [ "${NETBOOT}" ] || chroot /root dhclient eth0
chroot /root wget -P /tmp "${location}"
- chroot /root ifdown -a
+ [ "${NETBOOT}" ] || chroot /root ifconfig eth0 down
umount /root/sys
umount /root/proc
export SHOWMOUNTS
;;
+ silent)
+ SILENT="Yes"
+ export SILENT
+ ;;
+
textonly)
TEXTONLY="Yes"
export TEXTONLY
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
export XDEBCONF
;;
+ xdriver=*)
+ XDRIVER="${ARGUMENT#xdriver=}"
+ export XDRIVER
+ ;;
+
xvideomode=*)
XVIDEOMODE="${ARGUMENT#xvideomode=}"
export XVIDEOMODE
if [ -z "${UNIONTYPE}" ]
then
- UNIONTYPE="unionfs"
+ UNIONTYPE="aufs"
export UNIONTYPE
fi
}
if [ -d "${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_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
then
path="${1}"
uuid="$(cat /conf/uuid.conf)"
- for try_uuid_file in "${mountpoint}/.disk/casper-uuid"*
+ for try_uuid_file in "${path}/.disk/live-uuid"*
do
[ -e "${try_uuid_file}" ] || continue
get_backing_device ()
{
case "${1}" in
- *.squashfs|*.ext2|*.ext3)
- echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
+ *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
+ echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
;;
*.dir)
{
directory="${1}"
rootmnt="${2}"
- mac="$3"
+ mac="${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}"
+ [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
else
- :
+ panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
fi
}
{
sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
+ if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
+ then
+ return 0
+ elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
then
return 0
fi
return 1
}
-is_supported_fs ()
-{
- # FIXME: do something better like the scan of supported filesystems
- fstype="${1}"
-
- case ${fstype} in
- vfat|iso9660|udf|ext2|ext3|ntfs)
- return 0
- ;;
- esac
-
- return 1
-}
-
copy_live_to ()
{
copyfrom="${1}"
if [ -z "${MODULETORAM}" ]
then
- size=$(fs_size "" ${copyfrom} "used")
+ size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
else
MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
if [ "${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 $2}' - ) )
+ freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
mount_options="-o size=${size}k"
free_string="memory"
fstype="tmpfs"
fstype=$(get_fstype "${dev}")
freespace=$(fs_size "${dev}")
else
- [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
+ 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 free, ${size}k needed) to copy live media in ${copytodev}."
+ log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
return 1
fi
# begin copying (or uncompressing)
mkdir "${copyto}"
- echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
+ log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
if [ "${extension}" = "tgz" ]
cd "${copyto}"
tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
- mount -r --move "${copyto}" "${rootmnt}"
+ mount -r -o move "${copyto}" "${rootmnt}"
cd "${OLDPWD}"
else
if [ -n "${MODULETORAMFILE}" ]
then
- cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
+ 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
- cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
+ 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} # "cp -a" from busybox also copies hidden files
+ fi
fi
- livefs_root
umount ${copyfrom}
- mount -r --move ${copyto} ${copyfrom}
+ mount -r -o move ${copyto} ${copyfrom}
fi
rmdir ${copyto}
modprobe -q af_packet # For DHCP
- udevtrigger
- udevsettle
+ udevadm trigger
+ udevadm settle
+
+ # if ethdevice was not specified on the kernel command line
+ # make sure we try to get a working network configuration
+ # for *every* present network device (except for loopback of course)
+ if [ -z "$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 $device"
+ done
+
+ [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
+ echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
+
+ # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
+ # an endless loop; iff execution fails give it two further tries, that's
+ # why we use '$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
- ipconfig ${DEVICE} | tee /netboot.config
+ # 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
# source relevant ipconfig output
OLDHOSTNAME=${HOSTNAME}
[ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
export HOSTNAME
+ # Check if we have a network device at all
+ if ! ls /sys/class/net/"$DEVICE" > /dev/null 2>&1 && \
+ ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
+ ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
+ ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
+ ! ls /sys/class/net/ra0 > /dev/null 2>&1
+ then
+ panic "No supported network device found, maybe a non-mainline driver is required."
+ fi
+
if [ "${NFSROOT}" = "auto" ]
then
NFSROOT=${ROOTSERVER}:${ROOTPATH}
fi
- if [ -n "${FETCH}" ] && do_httpmount
+ if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
then
rc=0
return ${rc}
NFSROOT=${ROOTSERVER}:${NFSROOT}
fi
- [ "${quiet}" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+ log_begin_msg "Trying netboot from ${NFSROOT}"
if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
then
rc=0
fi
- [ "${quiet}" != "y" ] && log_end_msg
+ log_end_msg
return ${rc}
}
do_httpmount ()
{
rc=1
- extension=$(echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/')
-
- case "${extension}" in
- squashfs|tgz|tar)
- [ "${quiet}" != "y" ] && log_begin_msg "Trying wget ${FETCH} -O ${mountpoint}/$(basename ${FETCH})"
- mkdir -p "${mountpoint}/${LIVE_MEDIA_PATH}"
- wget "${FETCH}" -O "${mountpoint}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
- [ ${?} -eq 0 ] && rc=0
- [ "${extension}" = "tgz" ] && live_dest="ram"
- ;;
+ dest="${mountpoint}/${LIVE_MEDIA_PATH}"
+ mount -t ramfs ram "${mountpoint}"
+ mkdir -p "${dest}"
- *)
- [ "${quiet}" != "y" ] && log_begin_msg "Unrecognized archive extension for ${FETCH}"
- esac
+ for webfile in HTTPFS FTPFS FETCH
+ do
+ url="$(eval echo \"\$\{${webfile}\}\")"
+ extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
+
+ if [ -n "$url" ]
+ then
+ case "${extension}" in
+ squashfs|tgz|tar)
+ 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}"
+ fi
+ [ ${?} -eq 0 ] && rc=0
+ [ "${extension}" = "tgz" ] && live_dest="ram"
+ break
+ ;;
+
+ *)
+ log_begin_msg "Unrecognized archive extension for ${url}"
+ ;;
+ esac
+ fi
+ done
+
+ if [ ${rc} != 0 ]
+ then
+ umount "${mountpoint}"
+ fi
return ${rc}
}
NFSOPTS=""
fi
- [ "${quiet}" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
+ log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
- # FIXME: This for loop is an ugly HACK round an nfs bug
- for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
+ # FIXME: This while loop is an ugly HACK round an nfs bug
+ i=0
+ while [ "$i" -lt 60 ]
do
nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
sleep 1
+ i="$(($i + 1))"
done
return ${rc}
CIFSOPTS="${NFSOPTS}"
fi
- [ "${quiet}" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
+ log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
modprobe -q cifs
if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
# 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 $4}')
+ todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
+ freespace=$(df -k | awk '/'${todev}'/{print $4}')
else
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
+ freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
fi
tomount="/mnt/tmpsnap"
if [ -n "${fstype}" ]
then
# Copying stuff...
- mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
+ mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
cp -a "${tomount}"/* ${todir}
umount "${tomount}"
else
else
return 1
- [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+ log_warning_msg "Unable to find the snapshot ${snap_type} medium"
fi
}
+find_snap ()
+{
+ # Look for ${snap_label}.* in block devices
+ snap_label="${1}"
+
+ if [ "${PERSISTENT}" != "nofiles" ]
+ then
+ # search for image files
+ snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2")
+ fi
+
+ if [ -z "${snapdata}" ]
+ then
+ snapdata=$(find_cow_device "${snap_label}")
+ fi
+ echo "${snapdata}"
+}
+
try_snap ()
{
- # Look for ${snap_label}.* in block devices and copy the contents to ${snap_mount}
+ # copy the contents of previously found snapshot to ${snap_mount}
# and remember the device and filename for resync on exit in live-initramfs.init
- snap_label="${1}"
+ snapdata="${1}"
snap_mount="${2}"
snap_type="${3}"
- snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3")
- if [ ! -z "${snapdata}" ]
+ 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 ${snapdata} | cut -f3 -d ' ')"
- if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\)'
+ RES=""
+ if ! try_mount "${snapdev}" "${snapback}" "ro"
then
- # squashfs or ext2/ext3 snapshot
+ break
+ fi
+
+ if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
+ then
+ # squashfs, jffs2 or ext2/ext3/ext4 snapshot
dev=$(get_backing_device "${snapback}/${snapfile}")
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
- then
- log_warning_msg "Impossible to include the ${snapfile} Snapshot"
- return 1
- fi
+ do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+ RES=$?
else
# cpio.gz snapshot
- if ! (cd "${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
+ # 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 "$cpiopath"
then
- # strange things happens, user confused?
- snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
- snapfile=$(basename ${snaploop})
- snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
+ cpioargs=
else
- snapdev="${dev}"
+ cpioargs='--unconditional --make-directories'
fi
- if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+ if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null)
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
+ log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
fi
+ fi
+
+ umount "${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
- log_warning_msg "Impossible to include the ${snap_label} Snapshot"
+ snapdev="${dev}"
+ fi
+
+ if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+ then
+ log_warning_msg "Impossible to include the ${snap_type} Snapshot"
return 1
+ else
+ if [ -n "${snapfile}" ]
+ then
+ # it was a loop device, user confused
+ umount ${snapdev}
+ fi
fi
+ else
+ log_warning_msg "Impossible to include the ${snap_type} Snapshot"
+ return 1
fi
- echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
+ echo "export ${snap_type}SNAP="/cow${snap_mount#$rootmnt}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
return 0
}
{
image_directory="${1}"
rootmnt="${2}"
- addimage_directory="$3"
- modprobe -q -b ${UNIONTYPE}
+ addimage_directory="${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,
# Let's just mount the read-only file systems first
rofsstring=""
rofslist=""
- minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
- if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
+ if [ "${UNIONTYPE}" = "aufs" ]
+ then
+ roopt="rr"
+ noxino_opt="noxino,"
+ elif [ "${UNIONTYPE}" = "unionfs-fuse" ]
then
- # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
- roopt="nfsro"
+ roopt="RO"
else
roopt="ro"
fi
- # 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" ]
+ if [ -z "${PLAIN_ROOT}" ]
then
- for IMAGE in $(cat ${image_directory}/${MODULE}.module)
- do
- image_string="${image_string} ${image_directory}/${IMAGE}"
- done
- else
- # ${MODULE}.module does not exist, create a list of images
- for FILESYSTEM in squashfs ext2 ext3 xfs dir
- do
- for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
+ # 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
- if [ -e "${IMAGE}" ]
- then
- image_string="${image_string} ${IMAGE}"
- fi
+ image_string="${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} ${IMAGE}"
+ fi
+ done
done
- done
- if [ -n "${addimage_directory}" -a -d "${addimage_directory}" ]; then
- for FILESYSTEM in squashfs ext2 ext3 xfs dir
- do
- for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
- do
- if [ -e "${IMAGE}" ]
- then
- image_string="${image_string} ${IMAGE}"
- fi
- done
- done
- fi
-
- # Now sort the list
- image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
- fi
+ if [ -n "${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}"
+ mkdir -p "${croot}"
- for image in ${image_string}
- do
- imagename=$(basename "${image}")
+ 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}")
+ export image devname
+ maybe_break live-realpremount
+ log_begin_msg "Running /scripts/live-realpremount"
+ run_scripts /scripts/live-realpremount
+ log_end_msg
- if [ "${fstype}" = "unknown" ]
+ if [ -d "${image}" ]
then
- panic "Unknown file system type on ${backdev} (${image})"
- fi
+ # it is a plain directory: do nothing
+ rofsstring="${image}=${roopt}:${rofsstring}"
+ rofslist="${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}")
- mkdir -p "${croot}/${imagename}"
- echo "debug: Can not mount backdev ${backdev} (image = ${image}) on croot/imagename ${croot}/${imagename}"
- mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
- fi
- done
+ if [ "${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 ${fstype}."
+ fi
+
+ mkdir -p "${croot}/${imagename}"
+ log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
+ mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+ log_end_msg
+ fi
+ done
+ else
+ # we have a plain root system
+ mkdir -p "${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 ${croot}/filesystem" && rofsstring="${croot}/filesystem=${roopt}:${rofsstring}" && rofslist="${croot}/filesystem ${rofslist}"
+ # probably broken:
+ mount -o bind ${croot}/filesystem $mountpoint
+ log_end_msg
+ fi
rofsstring=${rofsstring%:}
mkdir -p /cow
# Looking for "${root_persistence}" device or file
- if [ -n "${PERSISTENT}" ]
+ 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 ${num_block} ]
+ then
+ break
+ fi
+ done
+ fi
+
+ # search for label and files (this could be hugely optimized)
cowprobe=$(find_cow_device "${root_persistence}")
+ if [ -b "${cowprobe}" ]
+ then
+ # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
+ # makes sense to have both persistence for /cow and /home mounted, maybe also with
+ # snapshots to be sure to really store some e.g key config files,
+ # but not on the same media
+ blacklistdev="${cowprobe}"
+ PERSISTENCE_IS_ON="1"
+ export PERSISTENCE_IS_ON
+ fi
+ # homecow just mount something on /home, this should be generalized some way
+ homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
+ if [ -b "${homecow}" ]
+ then
+ PERSISTENCE_IS_ON="1"
+ export PERSISTENCE_IS_ON
+ fi
+ root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
+ # 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=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
if [ -b "${cowprobe}" ]
then
cowdevice=${cowprobe}
cow_fstype=$(get_fstype "${cowprobe}")
+ cow_mountopt="rw,noatime"
+
+ if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
+ then
+ fsck -y ${cowdevice}
+ fi
else
- [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent medium"
+ log_warning_msg "Unable to find the persistent medium"
+ cowdevice="tmpfs"
+ cow_fstype="tmpfs"
+ cow_mountopt="rw,noatime,mode=755"
fi
- elif [ -n "${NFS_COW}" ]
+ elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
then
# check if there are any nfs options
if echo ${NFS_COW}|grep -q ','
nfs_cow_opts="-o nolock"
nfs_cow=${NFS_COW}
fi
- mac=$(get_mac)
+ mac="$(get_mac)"
if [ -n "${mac}" ]
then
cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
else
cowdevice="tmpfs"
cow_fstype="tmpfs"
+ cow_mountopt="rw,noatime,mode=755"
fi
if [ "${cow_fstype}" = "nfs" ]
then
- [ "${quiet}" != "y" ] && log_begin_msg \
+ log_begin_msg \
"Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
- panic "Can not mount ${cowdevice} on /cow"
+ panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
else
- mount ${cowdevice} -t ${cow_fstype} -o rw,noatime /cow || \
- panic "Can not mount ${cowdevice} on /cow"
+ mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
+ panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
fi
rofscount=$(echo ${rofslist} |wc -w)
mount --bind ${exposedrootfs} ${rootmnt} || \
panic "bind mount of ${exposedrootfs} failed"
- cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
- /home /var/lib/live'
+ if [ -z "${SKIP_UNION_MOUNTS}" ]
+ then
+ cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
+ else
+ cow_dirs=''
+ fi
for dir in ${cow_dirs}; do
mkdir -p /cow${dir}
- mount -t ${UNIONTYPE} \
- -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
- ${UNIONTYPE} "${rootmnt}${dir}" || \
- panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
- rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
+
+ case "${UNIONTYPE}" in
+ unionfs-fuse)
+ (ulimit -n 16384; unionfs-fuse -o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid /cow=RW:${exposedrootfs}${dir} "${rootmnt}${dir}" || panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option cow,noinitgroups,default_permissions,allow_other,use_ino,suid=/cow=RW:${exposedrootfs}${dir}")
+ mkdir -p /dev/.initramfs/varrun
+ pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true
+ ;;
+
+ *)
+ mount -t ${UNIONTYPE} -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro ${UNIONTYPE} "${rootmnt}${dir}" || panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
+ ;;
+ esac
done
else
- mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
- ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
- ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
+ case "${UNIONTYPE}" in
+ unionfs-fuse)
+ (ulimit -n 16384; unionfs-fuse -o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid /cow=RW:${rofsstring} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option cow,noinitgroups,default_permissions,allow_other,use_ino,suid=/cow:RW:${rofsstring}")
+ mkdir -p /dev/.initramfs/varrun
+ pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true
+ ;;
+
+ *)
+ mount -t ${UNIONTYPE} -o noatime,${noxino_opt}dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option noatime,${noxino_opt}dirs=/cow=rw:${rofsstring}"
+ ;;
+ esac
fi
+ # Correct the permissions of /:
+ chmod 0755 "${rootmnt}"
+
# tmpfs file systems
+ touch /etc/fstab
mkdir -p "${rootmnt}/live"
mount -t tmpfs tmpfs ${rootmnt}/live
# Adding other custom mounts
- if [ -n "${PERSISTENT}" ]
+ if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
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,noatime "${homecow}" "${rootmnt}/home"
export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
else
- [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
+ log_warning_msg "Unable to find the persistent home medium"
fi
# Look for other snapshots to copy in
- try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
- try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
+ try_snap "${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}" ]
;;
*)
- mount --move "${d}" "${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
# shows cow fs on /cow for use by live-snapshot
mkdir -p "${rootmnt}/live/cow"
- mount -o move /cow "${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 ${rootmnt}/live/cow"
}
check_dev ()
devname="${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.log
+ else
+ mkdir /isofrom
+ mount "$ISO_DEVICE" /isofrom
+ ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
+ loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
+ devname="${loopdevname}"
+ fi
+ fi
+
if [ -z "${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 $mountpoint
+ fi
+ fi
+ [ -e "$devname" ] || continue
+
if [ -n "${LIVE_MEDIA_OFFSET}" ]
then
loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
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 ${mountpoint})
{
timeout="${1}"
- # first look at the one specified in the command line
- if [ ! -z "${LIVE_MEDIA}" ]
- then
- if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
- then
- return 0
- fi
- fi
-
# don't start autodetection before timeout has expired
if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
then
fi
fi
+ # first look at the one specified in the command line
+ case "${LIVE_MEDIA}" in
+ removable-usb)
+ for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ do
+ if [ "$(cat ${sysblock}/removable)" = "1" ]
+ then
+ if readlink ${sysblock} | grep -q usb ||
+ readlink ${sysblock}/device | grep -q usb # linux < 2.6.29
+ then
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
+ then
+ return 0
+ fi
+ done
+ fi
+ fi
+ done
+ return 1
+ ;;
+
+ removable)
+ for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ do
+ if [ "$(cat ${sysblock}/removable)" = "1" ]
+ then
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
+ then
+ return 0
+ fi
+ done
+ fi
+ done
+ return 1
+ ;;
+
+ *)
+ if [ ! -z "${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
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram)
+ # prefer removable devices over non-removable devices, so scan them first
+ for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ do
+ if [ "$(cat ${sysblock}/removable)" = "1" ]
+ then
+ removable_devices_to_scan="$removable_devices_to_scan $sysblock"
+ else
+ nonremovable_devices_to_scan="$nonremovable_devices_to_scan $sysblock"
+ fi
+ done
+ devices_to_scan="$removable_devices_to_scan $nonremovable_devices_to_scan"
+
+ for sysblock in $devices_to_scan
do
devname=$(sys2dev "${sysblock}")
+ [ -e "$devname" ] || continue
fstype=$(get_fstype "${devname}")
if /lib/udev/cdrom_id ${devname} > /dev/null
done
elif [ "${fstype}" = "squashfs" -o \
"${fstype}" = "ext2" -o \
- "${fstype}" = "ext3" ]
+ "${fstype}" = "ext3" -o \
+ "${fstype}" = "ext4" -o \
+ "${fstype}" = "jffs2" ]
then
# This is an ugly hack situation, the block device has
# an image directly on it. It's hopefully
return 1
}
-pulsate ()
+set_usplash_timeout ()
{
if [ -x /sbin/usplash_write ]
then
- /sbin/usplash_write "PULSATE"
- fi
+ /sbin/usplash_write "TIMEOUT 120"
+ else if [ -x /sbin/splashy_update ] ; then
+ /sbin/splashy_update "TIMEOUT 120"
+ fi ; fi
}
-set_usplash_timeout ()
+integrity_check ()
{
- if [ -x /sbin/usplash_write ]
+ media_mountpoint="${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
- /sbin/usplash_write "TIMEOUT 120"
+ log_success_msg "Everything ok, will reboot in 10 seconds."
+ sleep 10
+ cd /
+ umount ${media_mountpoint}
+ sync
+ echo u > /proc/sysrq-trigger
+ echo b > /proc/sysrq-trigger
+ else
+ panic "Not ok, a media defect is likely, switch to VT8 for details."
fi
}
mountroot ()
{
+ if [ -x /scripts/local-top/cryptroot ]; then
+ /scripts/local-top/cryptroot
+ fi
+
exec 6>&1
exec 7>&2
exec > live.log
exec 2>&1
+ tail -f live.log >&7 &
+ tailpid="${!}"
+
+ # Ensure 'panic' function is overridden
+ . /scripts/live-functions
Arguments
set_usplash_timeout
- [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-premount"
- pulsate
+
+ maybe_break live-premount
+ log_begin_msg "Running /scripts/live-premount"
run_scripts /scripts/live-premount
- [ "${quiet}" != "y" ] && log_end_msg
+ log_end_msg
# Needed here too because some things (*cough* udev *cough*)
# changes the timeout
set_usplash_timeout
- if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ]
+ if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
then
if do_netmount
then
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 ${i})
+ if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+ then
+ # Do a local boot from hd
+ livefs_root=${ROOT}
+ else
+ # 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
+ if [ -n "${livefs_root}" ]
+ then
+ break
+ fi
- sleep 1
- done
+ sleep 1
+ i="$(($i + 1))"
+ done
+ fi
fi
if [ -z "${livefs_root}" ]
panic "Unable to find a medium containing a live file system"
fi
+ if [ "${INTEGRITY_CHECK}" ]
+ then
+ integrity_check "${livefs_root}"
+ fi
+
if [ "${TORAM}" ]
then
live_dest="ram"
log_end_msg
fi
- if [ -n "${MODULETORAMFILE}" ]
+ # 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 ${mac}|sed "s/-//g")
+ mac="$(get_mac)"
+ mac="$(echo ${mac} | sed 's/-//g')"
mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
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
+
maybe_break live-bottom
- [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
+ log_begin_msg "Running /scripts/live-bottom\n"
- pulsate
run_scripts /scripts/live-bottom
- [ "${quiet}" != "y" ] && log_end_msg
+ log_end_msg
+
+ if [ "${UNIONFS}" = unionfs-fuse ]
+ then
+ umount "${rootmnt}/dev"
+ fi
exec 1>&6 6>&-
exec 2>&7 7>&-
- cp live.log "${rootmnt}/var/log/"
+ kill ${tailpid}
+ [ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null
+ if [ -f /etc/live.conf ]
+ then
+ cp /etc/live.conf "${rootmnt}/etc/"
+ fi
}