HOSTNAME="host"
mkdir -p "${mountpoint}"
+tried="/tmp/tried"
# Create /etc/mtab for debug purpose and future syncs
if [ ! -d /etc ]
touch /live.vars
fi
+network_started=
+
+start_network ()
+{
+ [ -z "$network_started" ] || return
+ [ -z "$NETBOOT" ] || return
+
+ mount -n -o bind /sys /root/sys
+ mount -n -o bind /proc /root/proc
+ mount -n -o bind /dev /root/dev
+ mkdir -p /root/var/run/network
+
+ # Close inherited fd's to prevent debconf-communicate from
+ # continuing to run post-live-initramfs.
+ chroot /root dhclient eth0 3>&- 4<&-
+
+ network_started=1
+}
+
+stop_network ()
+{
+ [ "$network_started" ] || return
+
+ chroot /root ifconfig eth0 down
+ umount /root/sys
+ umount /root/proc
+ umount /root/dev
+}
+
Arguments ()
{
PRESEEDS=""
+ LOCATIONS=""
for ARGUMENT in $(cat /proc/cmdline)
do
export DEVICE
;;
+ ethdevice=*)
+ ETHDEVICE="${ARGUMENT#ethdevice=}"
+ export ETHDEVICE
+ ;;
+
+ ethdevice-timeout=*)
+ ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
+ export ETHDEV_TIMEOUT
+ ;;
+
fetch=*)
FETCH="${ARGUMENT#fetch=}"
export FETCH
;;
preseed/file=*|file=*)
- LOCATION="${ARGUMENT#*=}"
- export LOCATION
+ LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
+ export LOCATIONS
;;
nopreseed)
;;
url=*)
- location="${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
- [ "${NETBOOT}" ] || chroot /root dhclient eth0
- chroot /root wget -P /tmp "${location}"
- [ "${NETBOOT}" ] || chroot /root ifconfig eth0 down
-
- umount /root/sys
- umount /root/proc
- umount /root/dev
+ URL_LOCATION="${ARGUMENT#url=}"
- LOCATION="/tmp/$(basename "${location}")"
+ start_network
+ chroot /root wget -P /tmp "${URL_LOCATION}"
+ LOCATIONS="/tmp/$(basename ${URL_LOCATION}) ${LOCATIONS}"
;;
*/*=*)
{
sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-|platform-mmc)"
+ if /lib/udev/path_id "${sysfs_path}" | egrep -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 ${sysfs_path} | grep -q "^/block/dm-"
+ then
+ return 0
fi
return 1
if [ "${copytodev}" = "ram" ]
then
# copying to ram:
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
+ freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
mount_options="-o size=${size}k"
free_string="memory"
fstype="tmpfs"
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
+ 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 ${copyto}
+ fi
fi
fi
udevadm trigger
udevadm settle
+ if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
+ [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
+ then
+
+ # if ethdevice was not specified on the kernel command line
+ # make sure we try to get a working network configuration
+ # for *every* present network device (except for loopback of course)
+ if [ -z "$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/"$DEVICE" > /dev/null 2>&1 && \
+ ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
! ls /sys/class/net/ra0 > /dev/null 2>&1
todev=$(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) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
+ freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
fi
tomount="/mnt/tmpsnap"
RES=$?
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
+ 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} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
+ 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}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
return 0
}
case "${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
;;
*)
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
;;
*)
# 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})
esac
# or do the scan of block devices
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ # prefer removable devices over non-removable devices, so scan them first
+ for sysblock in $(echo /sys/block/* | tr ' ' '\n' | egrep -v "/(loop|ram|dm-|fd)")
+ do
+ if [ "$(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 ${devname} > /dev/null
fi
}
+start_usplash_pulse ()
+{
+ if [ -x /sbin/usplash_write ]
+ then
+ /sbin/usplash_write "PULSELOGO"
+ fi
+}
+
mountroot ()
{
if [ -x /scripts/local-top/cryptroot ]; then
Arguments
set_usplash_timeout
+ start_usplash_pulse
maybe_break live-premount
log_begin_msg "Running /scripts/live-premount"
mount -n -o bind /dev "${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
+
+ # Make the template database read-only, so that passthrough debconf
+ # instances can write to it directly; otherwise templates are only
+ # passed through when necessary. Use temporary config databases as
+ # well; we'll copy their contents back at the end.
+ DEBCONF_TMPDIR="$(chroot /root mktemp -dt debconf.XXXXXX)"
+ cp -a /root/var/cache/debconf/config.dat "/root$DEBCONF_TMPDIR/"
+ cp -a /root/var/cache/debconf/passwords.dat "/root$DEBCONF_TMPDIR/"
+ sed "s,^Filename: /var/cache/debconf/\(config\|passwords\).dat$,Filename: $DEBCONF_TMPDIR/\1.dat,; /^Name: templatedb/a\
++Readonly: true" /root/etc/debconf.conf >"/root$DEBCONF_TMPDIR/debconf.conf"
+
+ # Save the PID so it can be killed later.
+ DEBCONF_SYSTEMRC="$DEBCONF_TMPDIR/debconf.conf" chroot /root debconf-communicate -fnoninteractive live-initramfs > /tmp/debconf-out.fifo < /tmp/debconf-in.fifo &
+
+ if [ ! -p /tmp/debconf-in.fifo ] || [ ! -p /tmp/debconf-out.fifo ]
+ then
+ log_warning_msg "failed to setup debconf-communicate channel"
+ fi
+ log_end_msg
+
+ # Order matters!
+ # These file descriptors must stay open until we're finished with
+ # debconf-communicate.
+ exec 4</tmp/debconf-out.fifo 3>/tmp/debconf-in.fifo
+
maybe_break live-bottom
log_begin_msg "Running /scripts/live-bottom\n"
umount "${rootmnt}/dev"
fi
+ # Close the fd's associated with debconf-communicate
+ exec 3>&- 4<&-
+ rm -f /tmp/debconf-in.fifo
+ rm -f /tmp/debconf-out.fifo
+
+ # Copy config database changes back to the master files.
+ chroot /root debconf-copydb tmpdb config \
+ --config=Name:tmpdb --config=Driver:File \
+ --config="Filename:$DEBCONF_TMPDIR/config.dat"
+ chroot /root debconf-copydb tmpdb passwords \
+ --config=Name:tmpdb --config=Driver:File \
+ --config="Filename:$DEBCONF_TMPDIR/passwords.dat"
+ rm -rf "$DEBCONF_TMPDIR"
+
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