export PATH=/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin
-mountpoint=/live_media
+echo "/root/lib" >> /etc/ld.so.conf
+echo "/root/usr/lib" >> /etc/ld.so.conf
-root_persistence="casper-rw"
-home_persistence="home-rw"
-root_snapshot_label="casper-sn"
-home_snapshot_label="home-sn"
+mountpoint=/cdrom
-USERNAME="casper"
+USERNAME=casper
USERFULLNAME="Live session user"
-HOSTNAME="live"
-BUILD_SYSTEM="Custom"
+HOST=live
+BUILD_SYSTEM=Custom
mkdir -p $mountpoint
[ -f /etc/casper.conf ] && . /etc/casper.conf
-export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
+export USERNAME USERFULLNAME HOST BUILD_SYSTEM
. /scripts/casper-helpers
touch /casper.vars
fi
-parse_cmdline ()
-{
- PRESEEDS=
- # looking for casper specifics options as kernel parameters
- for x in $(cat /proc/cmdline); do
- case $x in
- userfullname=*)
- export USERFULLNAME=${x#userfullname=}
- export CASPERCONF="changed"
- ;;
- hostname=*)
- export HOSTNAME=${x#hostname=}
- export CASPERCONF="changed"
- ;;
- username=*)
- export USERNAME=${x#username=}
- export CASPERCONF="changed"
- ;;
- netboot*)
- export NETBOOT=${x#netboot=} ;;
- access=*)
- export ACCESS=${x#access=} ;;
- xdebconf)
- export XDEBCONF="Yes" ;;
- toram)
- export TORAM="Yes" ;;
- todisk=*)
- export TODISK=${x#todisk=} ;;
- showmounts)
- export SHOWMOUNTS="Yes" ;;
- persistent)
- export PERSISTENT="Yes" ;;
- nopersistent)
- export PERSISTENT="" ;;
- ip*)
- STATICIP=${x#ip=}
- if [ "${STATICIP}" == "" ]; then
- STATICIP="frommedia"
- fi
- export STATICIP ;;
- casper-getty)
- export CASPERGETTY=1 ;;
- bootfrom=*|live-media=*)
- export LIVEMEDIA=${x#*=} ;;
- live-media-encryption=*|encryption=*)
- export LIVEMEDIA_ENCRYPTION=${x#*=} ;;
- live-media-timeout=*)
- export LIVEMEDIA_TIMEOUT=${x#live-media-timeout=} ;;
- live-media-offset=*)
- export LIVEMEDIA_OFFSET=${x#live-media-offset=} ;;
- locale=*|debian-installer/locale=*)
- export LOCALE=${x#*=} ;;
- keyb=*|kbd-chooser/method=*)
- export KBD=${x#*=} ;;
- klayout=*|console-setup/layoutcode=*)
- export KLAYOUT=${x#*=} ;;
- koptions=*)
- export KOPTIONS=${x#koptions=} ;;
- kvariant=*|console-setup/variantcode=*)
- export KVARIANT=${x#*=} ;;
- kmodel=*|console-setup/modelcode=*)
- export KMODEL=${x#*=} ;;
- module=*)
- export MODULE=${x#module=} ;;
- preseed/file=*|file=*)
- export LOCATION="${x#*=}" ;;
- */*=*)
- question="${x%%=*}"
- value="${x#*=}"
- PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
- ;;
- console=*)
- export DEFCONSOLE="${x#*=}" ;;
- esac
- done
-
- # sort of compatibility with netboot.h from linux docs
- if [ -z "${NETBOOT}" ]; then
- if [ "${ROOT}" == "/dev/nfs" ]; then
- NETBOOT="nfs"
- export NETBOOT
- elif [ "${ROOT}" == "/dev/cifs" ]; then
- NETBOOT="cifs"
- export NETBOOT
- fi
- fi
-
- if [ -z "${MODULE}" ]; then
- MODULE=order
- fi
-}
-
is_casper_path() {
path=$1
if [ -d "$path/casper" ]; then
get_backing_device() {
case "$1" in
*.squashfs|*.ext2)
- echo $(setup_loop "$1" "loop" "/sys/block/loop*" '0' "${LIVEMEDIA_ENCRYPTION}")
+ echo $(setup_loop "$1" "loop" "/sys/block/loop*")
;;
*.dir)
echo "directory"
modprobe "${MP_QUIET}" af_packet # For DHCP
+ udevtrigger
+ udevsettle
+
ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config
if [ "${NFSROOT}" = "auto" ]; then
roopt="ro"
fi
- # Read image names from ${MODULE}.lst if it exists
- if [ -e "${image_directory}/${MODULE}.lst" ]; then
- for image in $(cat "${image_directory}/${MODULE}.lst"); do
- image_string="${image_string} ${image_directory}/${image}";
- done
- else
- # If ${MODULE}.lst does not exist, create a list of images
- for image_type in "ext2" "squashfs" "dir"; do
- for image in "${image_directory}"/*."${image_type}"; do
- if [ -e "${image}" ]; then
- image_string="${image_string} ${image}";
- fi
- done
- done
- # Now sort the list
- image_string=$(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})"
+ for image_type in "ext2" "squashfs" "dir" ; do
+ for image in "${image_directory}"/*."${image_type}"; 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} ${rofslist}"
fi
- mkdir -p "${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} ${rofslist}"
- fi
+ done
done
-
rofsstring=${rofsstring%:}
mkdir -p /cow
-
cowdevice="tmpfs"
cow_fstype="tmpfs"
;;
esac
done
+ # shows cow fs on /cow for use by casper-snapshot
+ mkdir -p "${rootmnt}/cow"
+ mount -o bind /cow "${rootmnt}/cow"
fi
- # shows cow fs on /cow for use by casper-snapshot
- mkdir -p "${rootmnt}/cow"
- mount -o bind /cow "${rootmnt}/cow"
+ # move the first mount; no head in busybox-initramfs
+ for d in $(mount -t squashfs | cut -d\ -f 3); do
+ mkdir -p "${rootmnt}/rofs"
+ mount -o move "${d}" "${rootmnt}/rofs"
+ break
+ done
}
check_dev ()
fi
if [ -n "${LIVEMEDIA_OFFSET}" ]; then
- loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVEMEDIA_OFFSET}" '')
+ loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVEMEDIA_OFFSET}")
devname="${loopdevname}"
fi
exec > casper.log
exec 2>&1
- parse_cmdline
-
set_usplash_timeout
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-premount"
pulsate
if do_netmount ; then
livefs_root="${mountpoint}"
else
- panic "Unable to find a the network rootfs live file system"
+ 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
+ for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
livefs_root=$(find_livefs $i)
- if [ -n "${livefs_root}" ]; then
+ if [ "${livefs_root}" ]; then
break
fi
sleep 1
projects / live-boot-grml.git / blobdiff