HOSTNAME="host"
mkdir -p "${mountpoint}"
+tried="/tmp/tried"
# Create /etc/mtab for debug purpose and future syncs
if [ ! -d /etc ]
Arguments ()
{
PRESEEDS=""
+ LOCATIONS=""
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="${ARGUMENT#fetch=}"
export FETCH
export NOPERSISTENT
;;
+ quickusbmodules)
+ QUICKUSBMODULES="Yes"
+ export QUICKUSBMODULES
+ ;;
+
preseed/file=*|file=*)
- LOCATION="${ARGUMENT#*=}"
- export LOCATION
+ LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
+ export LOCATIONS
;;
nopreseed)
;;
url=*)
- location="${ARGUMENT#url=}"
+ URL_LOCATION="${ARGUMENT#url=}"
mount -o bind /sys /root/sys
mount -o bind /proc /root/proc
mount -o bind /dev /root/dev
mkdir -p /root/var/run/network
- chroot /root dhclient eth0
- chroot /root wget -P /tmp "${location}"
- chroot /root ifconfig eth0 down
+ [ "${NETBOOT}" ] || chroot /root dhclient eth0
+ chroot /root wget -P /tmp "${URL_LOCATION}"
+ [ "${NETBOOT}" ] || chroot /root ifconfig eth0 down
umount /root/sys
umount /root/proc
umount /root/dev
- LOCATION="/tmp/$(basename "${location}")"
+ LOCATIONS="/tmp/$(basename ${URL_LOCATION}) ${LOCATIONS}"
;;
*/*=*)
{
sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-)"
+ if /lib/udev/path_id "${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
+ elif echo ${sysfs_path} | grep -q "^/block/dm-"
+ then
+ return 0
fi
return 1
modprobe -q af_packet # For DHCP
- if [ -x /sbin/udevadm ]
+ udevadm trigger
+ udevadm settle
+
+ if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
+ [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
then
- # lenny
- udevadm trigger
- udevadm settle
- else
- # etch
- udevtrigger
- udevsettle
+
+ # if ethdevice was not specified on the kernel command line
+ # make sure we try to get a working network configuration
+ # for *every* present network device (except for loopback of course)
+ if [ -z "$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
+
+ # 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
ipconfig ${DEVICE} | tee /netboot.config
+ fi
# source relevant ipconfig output
OLDHOSTNAME=${HOSTNAME}
export HOSTNAME
# Check if we have a network device at all
- if ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
+ if ! ls /sys/class/net/"$DEVICE" > /dev/null 2>&1 && \
+ ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
! ls /sys/class/net/ra0 > /dev/null 2>&1
if [ "${PERSISTENT}" != "nofiles" ]
then
# search for image files
- snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.ext4 ${snap_label}.jffs2")
+ snapdata=$(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 "${snapdata}" ]
RES=$?
else
# cpio.gz snapshot
- cd "${snap_mount}"
- zcat "${snapback}/${snapfile}" | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
- RES=$?
- if [ "${RES}" != "0" ]
+
+ # Unfortunately klibc's cpio is incompatible with the
+ # rest of the world; everything else requires -u -d,
+ # while klibc doesn't implement them. Try to detect
+ # whether it's in use.
+ cpiopath="$(which cpio)" || true
+ if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
then
- log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
+ cpioargs=
+ else
+ cpioargs='--unconditional --make-directories'
+ fi
+
+ if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null)
+ then
+ log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
fi
- cd "${OLDPWD}"
fi
umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
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}
+
+ 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" ] && [ "${minor_kernel_version}" -lt 22 ]
- then
- # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
- roopt="nfsro"
- elif [ "${UNIONTYPE}" = "aufs" ]
+ if [ "${UNIONTYPE}" = "aufs" ]
then
roopt="rr"
+ noxino_opt="noxino,"
+ elif [ "${UNIONTYPE}" = "unionfs-fuse" ]
+ then
+ roopt="RO"
else
roopt="ro"
fi
# Looking for "${root_persistence}" device or file
if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
then
- # Load USB modules
- num_block=$(ls -l /sys/block | wc -l)
- for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
- do
- modprobe -q -b ${module}
- done
-
- if [ -x /sbin/udevadm ]
+ if [ -z "${QUICKUSBMODULES}" ]
then
- # lenny
+ # 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
- else
- # etch
- udevtrigger
- udevsettle
- fi
- # 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
+ # 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
+ 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}")
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:${rofsstring}"
+ ;;
+ esac
fi
# Correct the permissions of /:
;;
*)
- mount -o move "${d}" "${rootmnt}/live/${d##*/}"
+ case "${UNIONTYPE}" in
+ unionfs-fuse)
+ mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+
+ *)
+ mount -o move "${d}" "${rootmnt}/live/${d##*/}"
+ ;;
+ esac
;;
esac
done
# support for fromiso=.../isofrom=....
if [ -n "$FROMISO" ]
then
- mkdir /isofrom
- ISO_DEVICE="$(echo $FROMISO | sed 's|\(/dev/[a-z]*[0-9]*\).*|\1|')"
- mount "$ISO_DEVICE" /isofrom
- ISO_NAME="$(echo $FROMISO | sed 's|/dev/[a-z]*[0-9]*/||')"
- loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
- devname="${loopdevname}"
+ 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}" ]
umount $mountpoint
fi
fi
+ [ -e "$devname" ] || continue
if [ -n "${LIVE_MEDIA_OFFSET}" ]
then
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})
fi
fi
done
+ return 1
;;
removable)
done
fi
done
+ return 1
;;
*)
esac
# or do the scan of block devices
+ # 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 ${devname} > /dev/null
fi
}
+start_usplash_pulse ()
+{
+ if [ -x /sbin/usplash_write ]
+ then
+ /sbin/usplash_write "PULSELOGO"
+ fi
+}
+
mountroot ()
{
if [ -x /scripts/local-top/cryptroot ]; then
Arguments
set_usplash_timeout
+ start_usplash_pulse
maybe_break live-premount
log_begin_msg "Running /scripts/live-premount"
log_end_msg
+ # unionfs-fuse needs /dev to be bind-mounted for the duration of
+ # live-bottom; udev's init script will take care of things after that
+ if [ "${UNIONTYPE}" = unionfs-fuse ]
+ then
+ mount -n -o bind /dev "${rootmnt}/dev"
+ fi
+
+ # Open up two fifo's fd's for debconf-communicate to use. Speeds up
+ # the live-initramfs process considerably.
+ log_begin_msg "Creating debconf-communicate fifo mechanism"
+ mkfifo /tmp/debconf-in.fifo
+ mkfifo /tmp/debconf-out.fifo
+
+ chroot /root debconf-communicate -fnoninteractive live-initramfs > /tmp/debconf-out.fifo < /tmp/debconf-in.fifo &
+
+ # Save the PID so it can be killed later.
+ DEBCONF_COMMUNICATE_PID="$!"
+
+ if [ ! -p /tmp/debconf-in.fifo ] || [ ! -p /tmp/debconf-out.fifo ]
+ then
+ log_warning_msg "failed to setup debconf-communicate channel"
+ fi
+ log_end_msg
+
+ # Order matters!
+ # These file descriptors must stay open until we're finished with
+ # debconf-communicate.
+ exec 4</tmp/debconf-out.fifo 3>/tmp/debconf-in.fifo
+
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
+
+ # Kill the debconf-communicate instance and close fd's associated with·
+ # debconf-communicate.
+ kill $DEBCONF_COMMUNICATE_PID
+ exec 3>&- 4<&-
+ rm -f /tmp/debconf-in.fifo
+ rm -f /tmp/debconf-out.fifo
+
exec 1>&6 6>&-
exec 2>&7 7>&-
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
}
projects / live-boot-grml.git / blobdiff