diff options
Diffstat (limited to 'scripts/casper')
| -rwxr-xr-x[-rw-r--r--] | scripts/casper | 185 |
1 files changed, 40 insertions, 145 deletions
diff --git a/scripts/casper b/scripts/casper index 545942e..a4c78b3 100644..100755 --- a/scripts/casper +++ b/scripts/casper @@ -4,22 +4,20 @@ 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 @@ -27,98 +25,6 @@ if [ ! -f /casper.vars ]; then 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 @@ -134,7 +40,7 @@ is_casper_path() { get_backing_device() { case "$1" in *.squashfs|*.ext2) - echo $(setup_loop "$1" "loop" "/sys/block/loop*" '0' "${LIVEMEDIA_ENCRYPTION}") + echo $(setup_loop "$1" "loop" "/sys/block/loop*") ;; *.dir) echo "directory" @@ -233,6 +139,9 @@ do_netmount() { modprobe "${MP_QUIET}" af_packet # For DHCP + udevtrigger + udevsettle + ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config if [ "${NFSROOT}" = "auto" ]; then @@ -411,46 +320,28 @@ setup_unionfs() { 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" @@ -495,11 +386,17 @@ setup_unionfs() { ;; 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 () @@ -511,7 +408,7 @@ 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 @@ -592,8 +489,6 @@ mountroot() { exec > casper.log exec 2>&1 - parse_cmdline - set_usplash_timeout [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-premount" pulsate @@ -609,13 +504,13 @@ mountroot() { if do_netmount ; then livefs_root="${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 |