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1181 lines
31 KiB
1181 lines
31 KiB
#!/bin/ash
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. /etc/initrd.defaults
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backup() {
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echo -ne "\033[0G\033[0K"
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}
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modules_load() {
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for module in $*
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do
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echo ${module} >> /etc/modules/extra_load
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done
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modules_scan extra_load
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}
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modules_scan() {
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local MODS
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[ -d "/etc/modules/${1}" ] || touch /etc/modules/${1}
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[ -f "/etc/modules/${1}" ] && MODS=`cat /etc/modules/${1}`
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for x in ${MODS}
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do
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MLOAD=`echo ${MLIST} | sed -e "s/.*${x}.*/${x}/"`
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if [ "${MLOAD}" = "${x}" ] # Only module to no-load
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then
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echo -e "${BOLD} ::${NORMAL} Skipping ${x}..."
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elif [ "${MLOAD}" = "${MLIST}" ] # == No change == No specified no-load
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then
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[ -n "${DEBUG}" ] && echo -ne "${BOLD} ::${NORMAL} Checking for ${x}..."
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# find -name does not work since the return status is always zero
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if find /lib/modules/${KV} | grep /"${x}${KSUFF}" >/dev/null 2>&1
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then
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echo -ne "${BOLD} ::${NORMAL} Scanning for ${x}..."
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modprobe ${x} -n
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backup
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echo -ne "${NORMAL}"
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fi
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else
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echo -e "${BOLD} ::${NORMAL} Skipping ${x}..."
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fi
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done
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}
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uppercase(){
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# needs tr on busybox
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echo $1 | tr 'a-z' 'A-Z'
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}
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findmediamount() {
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# $1 = mount dir name / media name
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# $2 = recognition file
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# $3 = variable to have the device path
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# $4 = actual mount dir path (full path)
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# args remaining are possible devices
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local media=$1 recon=$2 vrbl=$3 mntdir=$4
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shift 4
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good_msg "Looking for the ${media}" ${CRYPT_SILENT}
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if [ "$#" -gt "0" ]
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then
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[ ! -d "${mntdir}" ] && mkdir -p ${mntdir} 2>/dev/null >/dev/null
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if [ -n "${ISOBOOT}" ]
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then
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mntcddir="${mntdir%${media}}iso"
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if [ ! -f ${mntcddir} ]
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then
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mkdir ${mntcddir}
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fi
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else
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mntcddir=${mntdir}
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fi
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for x in $*
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do
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# Check for a block device to mount
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if [ -b "${x}" ]
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then
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skip=0
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bsn=`basename "${x}"`
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#
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# If disk and it has at least one partition, skip.
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# We use /sys/block/${bsn}/${bsn}[0-9]* to make sure that we
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# don't skip device mapper devices. Even the craziest scenario
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# deserves a fair chance.
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#
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for part in `ls /sys/block/${bsn}/${bsn}[0-9]* 2>/dev/null`
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do
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skip=1
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break;
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done
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if [ ${skip} -eq 1 ]
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then
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continue
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fi
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good_msg "Attempting to mount media:- ${x}" ${CRYPT_SILENT}
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mount -r -t ${CDROOT_TYPE} ${x} ${mntcddir} >/dev/null 2>&1
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if [ "$?" = '0' ]
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then
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if [ -n "${ISOBOOT}" ]; then
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if [ -f ${mntcddir}/${ISOBOOT} ]; then
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mount -o loop ${mntcddir}/${ISOBOOT} ${mntdir}
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if [ "$?" = "0" ]; then
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good_msg "iso mounted on ${mntdir}"
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fi
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fi
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fi
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# Check for the media
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if [ -f "${mntdir}/${recon}" ]
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then
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#set REAL_ROOT, CRYPT_ROOT_KEYDEV or whatever ${vrbl} is
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eval ${vrbl}'='"${x}"
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good_msg "Media found on ${x}" ${CRYPT_SILENT}
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break
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else
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umount ${mntcddir}
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fi
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fi
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fi
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done
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fi
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eval local result='$'${vrbl}
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[ -n "${result}" ] || bad_msg "Media not found" ${CRYPT_SILENT}
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}
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devicelist(){
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# Locate the cdrom device with our media on it.
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# CDROM DEVICES
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local DEVICES="/dev/cdroms/* /dev/ide/cd/* /dev/sr*"
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# USB Keychain/Storage
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DEVICES="$DEVICES /dev/sd*"
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# IDE devices
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DEVICES="$DEVICES /dev/hd*"
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# USB using the USB Block Driver
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DEVICES="$DEVICES /dev/ubd* /dev/ubd/*"
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# iSeries devices
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DEVICES="$DEVICES /dev/iseries/vcd*"
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echo ${DEVICES}
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}
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bootstrapCD() {
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local DEVICES=`devicelist`
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# The device was specified on the command line, so there's no need to scan
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# a bunch of extra devices
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[ -n "${CDROOT_DEV}" ] && DEVICES="${CDROOT_DEV}"
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findmediamount "cdrom" "${SUBDIR}/livecd" "REAL_ROOT" "${CDROOT_PATH}" ${DEVICES}
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}
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bootstrapKey() {
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# $1 = ROOT/SWAP
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local KEYDEVS=`devicelist`
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eval local keyloc='"${CRYPT_'${1}'_KEY}"'
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findmediamount "key" "${keyloc}" "CRYPT_${1}_KEYDEV" "/mnt/key" ${KEYDEVS}
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}
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cache_cd_contents() {
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# Check loop file exists and cache to ramdisk if DO_cache is enabled
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if [ "${LOOPTYPE}" != "noloop" ] && [ "${LOOPTYPE}" != "sgimips" ]
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then
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check_loop
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if [ "${DO_cache}" ]
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then
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# TODO: Check the size of the image versus the size of our tmpfs
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# along with the amount of available RAM and increase tmpfs size
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# if necessary. (Not having awk sucks...)
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# z=0
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# for i in $(cat /proc/meminfo | grep -e ^MemFree -e ^Cached | \
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# cut -d: -f2 | cut -dk -f1 | sed -e "s/^\s*//") ; do
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# z=$(($z + $i)) ; done
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# echo $z
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good_msg "Copying loop file for caching..."
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# Verify that the needed directory exists
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mkdir -p "$(dirname ${NEW_ROOT}/mnt/${LOOP})"
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cp -a ${CDROOT_PATH}/${LOOP} ${NEW_ROOT}/mnt/${LOOP}
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if [ $? -ne 0 ]
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then
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bad_msg "Failed to cache the loop file! Lack of space?"
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rm -rf ${NEW_ROOT}/mnt/livecd.* 2>/dev/null
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rm -rf ${NEW_ROOT}/mnt/image.* 2>/dev/null
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rm -rf ${NEW_ROOT}/mnt/zisofs 2>/dev/null
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else
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LOOPEXT='../'
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fi
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fi
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fi
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}
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mount_sysfs() {
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mount -t sysfs sysfs /sys -o noexec,nosuid,nodev >/dev/null 2>&1
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ret=$?
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[ ${ret} -eq 0 ] || bad_msg "Failed to mount /sys!"
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}
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findnfsmount() {
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if [ "${IP}" != '' ] || busybox udhcpc -n -T 15 -q
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then
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[ -e /rootpath ] && NFSROOT=`cat /rootpath`
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if [ "${NFSROOT}" = '' ]
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then
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# Obtain NFSIP
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OPTIONS=`busybox dmesg | grep rootserver | sed -e "s/,/ /g"`
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for OPTION in $OPTIONS
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do
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if [ `echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 1` = 'rootserver' ]
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then
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NFSIP=`echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 2`
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fi
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done
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# Obtain NFSPATH
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OPTIONS=`busybox dmesg | grep rootpath | sed -e "s/,/ /g"`
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for OPTION in $OPTIONS
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do
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if [ `echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 1` = 'rootpath' ]
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then
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NFSPATH=`echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 2`
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fi
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done
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# Setup NFSROOT
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if [ "${NFSIP}" != '' ] && [ "$NFSPATH" != '' ]
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then
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NFSROOT="${NFSIP}:${NFSPATH}"
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else
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bad_msg "The DHCP Server did not send a valid root-path."
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bad_msg "Please check your DHCP setup, or provide a nfsroot=<...> parameter."
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fi
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fi
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if [ "${NFSROOT}" != '' ]
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then
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NFSOPTIONS=${NFSROOT#*,}
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NFSROOT=${NFSROOT%%,*}
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if [ "${NFSOPTIONS}" = "${NFSROOT}" ]
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then
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NFSOPTIONS=$DEFAULT_NFSOPTIONS
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else
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NFSOPTIONS="${DEFAULT_NFSOPTIONS},${NFSOPTIONS}"
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fi
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if [ "${CDROOT}" != '0' ]
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then
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good_msg "Attempting to mount NFS CD image on ${NFSROOT} with options ${NFSOPTIONS}"
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mount -t nfs -o ${NFSOPTIONS} ${NFSROOT} ${CDROOT_PATH}
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if [ "$?" = '0' ]
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then
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REAL_ROOT="/dev/nfs"
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else
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bad_msg "NFS Mounting failed. Is the path corrent ?"
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fi
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else
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good_msg "Attempting to mount NFS root on ${NFSROOT} with options ${NFSOPTIONS}"
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mount -t nfs -o ${NFSOPTIONS} ${NFSROOT} ${NEW_ROOT}
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if [ "$?" = '0' ]
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then
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REAL_ROOT="/dev/nfs"
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else
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bad_msg "NFS Mounting failed. Is the path correct ?"
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fi
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# FIXME: Need to start portmap and the other rpc daemons in
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# order to remount rw.
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fi
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fi
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fi
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}
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check_loop() {
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if [ "${LOOP}" = '' -o ! -e "${CDROOT_PATH}/${LOOP}" ]
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then
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bad_msg "Invalid loop location: ${LOOP}"
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bad_msg 'Please export LOOP with a valid location, or reboot and pass a proper loop=...'
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bad_msg 'kernel command line!'
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run_shell
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fi
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}
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run_shell() {
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/bin/ash
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}
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runmdev() {
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# Use devtmpfs if enabled in kernel,
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# else tmpfs. Always run mdev just in case
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devfs=tmpfs
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if grep -qs devtmpfs /proc/filesystems ; then
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devfs=devtmpfs
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fi
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# Options copied from /etc/init.d/udev-mount, should probably be kept in sync
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mount -t $devfs -o "exec,nosuid,mode=0755,size=10M" udev /dev \
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|| bad_msg "Failed to mount /dev as ${devfs}"
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# http://git.busybox.net/busybox/plain/docs/mdev.txt
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mkdir -m 0755 /dev/pts
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mount -t devpts -o gid=5,mode=0620 devpts /dev/pts || bad_msg "Failed to mount /dev/pts"
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mdev -s || bad_msg "Failed to receive dynamic updates from mdev"
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}
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test_success() {
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retcode=$?
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# If last command failed send error message and fall back to a shell
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if [ "$retcode" != '0' ]
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then
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error_string=$1
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error_string="${error_string:-run command}"
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bad_msg 'Failed to $1; failing back to the shell...'
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run_shell
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fi
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}
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# msg functions arguments
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# $1 string
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# $2 hide flag
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good_msg() {
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msg_string=$1
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msg_string="${msg_string:-...}"
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[ "$2" != 1 ] && echo -e "${GOOD}>>${NORMAL}${BOLD} ${msg_string} ${NORMAL}"
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}
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bad_msg() {
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msg_string=$1
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msg_string="${msg_string:-...}"
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if [ "$2" != 1 ]
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then
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splash 'verbose' > /dev/null &
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echo -e "${BAD}!!${NORMAL}${BOLD} ${msg_string} ${NORMAL}"
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fi
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}
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warn_msg() {
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msg_string=$1
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msg_string="${msg_string:-...}"
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[ "$2" != 1 ] && echo -e "${WARN}**${NORMAL}${BOLD} ${msg_string} ${NORMAL}"
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}
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crypt_filter() {
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if [ "${CRYPT_SILENT}" = '1' ]
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then
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eval $1 >/dev/null 2>/dev/null
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else
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splash 'verbose' > /dev/null &
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eval $1
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res=$?
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if [ ${res} -eq 0 ]
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then
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splash set_msg 'Disk unlocked.'
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fi
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return ${res}
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fi
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}
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prompt_user(){
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# $1 = variable whose value is the path (examples: "REAL_ROOT",
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# "LUKS_KEYDEV")
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# $2 = label
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# $3 = optional explanations for failure
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eval local oldvalue='$'${1}
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[ \( $# != 2 \) -a \( $# != 3 \) ] && \
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bad_msg "Bad invocation of function prompt_user, please file a bug \
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report with this message" && exit 1
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[ -n "${3}" ] && local explnt=" or : ${3}" || local explnt="."
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bad_msg "Could not find the ${2} in ${oldvalue}${explnt}"
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echo ' Please specify another value or: press Enter for the same, type "shell" for a shell, or "q" to skip...'
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echo -n "${2}(${oldvalue}) :: "
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read ${1}
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case `eval echo '$'${1}` in
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'q')
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eval ${1}'='${oldvalue}
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warn_msg "Skipping step, this will likely cause a boot failure."
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break
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;;
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'shell')
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eval ${1}'='${oldvalue}
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echo "To leave and try again just press <Ctrl>+D"
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run_shell
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;;
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'')
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eval ${1}'='${oldvalue}
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;;
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esac
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}
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setup_hotplug() {
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if [ "${KV_2_6_OR_GREATER}" ]
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then
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echo /sbin/mdev > /proc/sys/kernel/hotplug
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fi
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}
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setup_slowusb() {
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# This function removes unset DO_slowusb if there is no usb-storage attached.
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# If noslowusb is set, skip this function
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[ "${DO_slowusb}" ] || return
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# Unset DO_slowusb, so we can set it again if usb-storage has something attached
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unset DO_slowusb
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local usb_storage_dir="/sys/bus/usb/drivers/usb-storage"
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if [ ! -d "${usb_storage_dir}" ]
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then
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# no automated slowusb required. no usb-storage devices attached.
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return
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fi
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for x in "${usb_storage_dir}"/*
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do
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[ -d "${x}" ] && [ "${x}" != "${usb_storage_dir}/module" ] \
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&& { DO_slowusb="1" ; break ; }
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done
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}
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start_dev_mgr() {
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if [ "${KV_2_6_OR_GREATER}" ]
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then
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cd /sys
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good_msg 'Activating mdev'
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runmdev
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cd /
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fi
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}
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cmdline_hwopts() {
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# Scan CMDLINE for any "doscsi" or "noscsi"-type arguments
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local FOUND
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local TMP_HWOPTS
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for x in $HWOPTS
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do
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for y in $CMDLINE
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do
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if [ "${y}" = "do${x}" ]
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then
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MY_HWOPTS="${MY_HWOPTS} $x"
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elif [ "${y}" = "no${x}" ]
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then
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MY_HWOPTS="`echo ${MY_HWOPTS} | sed -e \"s/${x}//g\" -`"
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fi
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if [ "$(echo ${y} | cut -b -7)" = "keymap=" ]
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then
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MY_HWOPTS="${MY_HWOPTS} keymap"
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fi
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done
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done
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|
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# Shouldnt need to sort this as the following loop should figure out the
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# duplicates and strip them out
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#MY_HWOPTS=`echo ${MY_HWOPTS}| sort`
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for x in ${MY_HWOPTS}
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do
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FOUND=0
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for y in ${TMP_HWOPTS}
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do
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if [ "${y}" = "${x}" ]
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then
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continue 2
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fi
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done
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TMP_HWOPTS="${TMP_HWOPTS} ${x}"
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eval DO_`echo ${x} | sed 's/-//'`=1
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done
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MY_HWOPTS=${TMP_HWOPTS}
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|
}
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|
|
load_modules() {
|
|
# Load modules listed in MY_HWOPTS if /lib/modules exists for the running
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|
# kernel version
|
|
if [ -d "/lib/modules/${KV}" ]
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then
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good_msg 'Loading modules'
|
|
# Load appropriate kernel modules
|
|
for modules in $MY_HWOPTS
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do
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modules_scan $modules
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|
done
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else
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|
good_msg 'Skipping module load; no modules in the ramdisk!'
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|
fi
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}
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|
|
setup_keymap() {
|
|
if [ "${DO_keymap}" ]
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|
then
|
|
if [ ! -e /dev/vc/0 -a ! -e /dev/tty0 ]
|
|
then
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DEVBIND=1
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|
mount -o bind ${NEW_ROOT}/dev /dev
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|
fi
|
|
[ ! -e /dev/tty0 ] && ln -s /dev/tty1 /dev/tty0
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|
|
[ -f /lib/keymaps/keymapList ] && chooseKeymap
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|
|
[ "${DEVBIND}" = '1' ] && umount /dev
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|
|
if [ -e /etc/sysconfig/keyboard -a "${CDROOT}" = '1' ]
|
|
then
|
|
mkdir -p ${NEW_ROOT}/etc/sysconfig/
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|
cp /etc/sysconfig/keyboard ${NEW_ROOT}/etc/sysconfig/keyboard
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|
fi
|
|
fi
|
|
}
|
|
|
|
chooseKeymap() {
|
|
good_msg "Loading keymaps"
|
|
if [ -z "${keymap}" ]
|
|
then
|
|
splash 'verbose' > /dev/null &
|
|
cat /lib/keymaps/keymapList
|
|
read -t 10 -p '<< Load keymap (Enter for default): ' keymap
|
|
case ${keymap} in
|
|
1|azerty) keymap=azerty ;;
|
|
2|be) keymap=be ;;
|
|
3|bg) keymap=bg ;;
|
|
4|br-a) keymap=br-a ;;
|
|
5|br-l) keymap=br-l ;;
|
|
6|by) keymap=by ;;
|
|
7|cf) keymap=cf ;;
|
|
8|croat) keymap=croat ;;
|
|
9|cz) keymap=cz ;;
|
|
10|de) keymap=de ;;
|
|
11|dk) keymap=dk ;;
|
|
12|dvorak) keymap=dvorak ;;
|
|
13|es) keymap=es ;;
|
|
14|et) keymap=et ;;
|
|
15|fi) keymap=fi ;;
|
|
16|fr) keymap=fr ;;
|
|
17|gr) keymap=gr ;;
|
|
18|hu) keymap=hu ;;
|
|
19|il) keymap=il ;;
|
|
20|is) keymap=is ;;
|
|
21|it) keymap=it ;;
|
|
22|jp) keymap=jp ;;
|
|
23|la) keymap=la ;;
|
|
24|lt) keymap=lt ;;
|
|
25|mk) keymap=mk ;;
|
|
26|nl) keymap=nl ;;
|
|
27|no) keymap=no ;;
|
|
28|pl) keymap=pl ;;
|
|
29|pt) keymap=pt ;;
|
|
30|ro) keymap=ro ;;
|
|
31|ru) keymap=ru ;;
|
|
32|se) keymap=se ;;
|
|
33|sg) keymap=sg ;;
|
|
34|sk-y) keymap=sk-y ;;
|
|
35|sk-z) keymap=sk-z ;;
|
|
36|slovene) keymap=slovene ;;
|
|
37|trf) keymap=trf ;;
|
|
38|trq) keymap=trq ;;
|
|
39|ua) keymap=ua ;;
|
|
40|uk) keymap=uk ;;
|
|
41|us) keymap=us ;;
|
|
42|wangbe) keymap=wangbe ;;
|
|
esac
|
|
fi
|
|
if [ -e /lib/keymaps/${keymap}.map ]
|
|
then
|
|
good_msg "Loading the ''${keymap}'' keymap"
|
|
loadkmap < /lib/keymaps/${keymap}.map
|
|
# xkeymap=${keymap}
|
|
# echo ${keymap} | egrep -e "[0-9]+" >/dev/null 2>&1
|
|
# if [ $? -eq 0 ]
|
|
# then
|
|
# xkeymap=`tail -n 7 /lib/keymaps/keymapList | grep ${keymap} | sed -r "s/.*\s+${keymap}\s+([a-z-]+).*/\1/g" | egrep -v 1`
|
|
# fi
|
|
mkdir -p /etc/sysconfig
|
|
# echo "XKEYBOARD=${xkeymap}" > /etc/sysconfig/keyboard
|
|
echo "XKEYBOARD=${keymap}" > /etc/sysconfig/keyboard
|
|
splash set_msg "Set keymap to ${keymap}"
|
|
elif [ -z "${keymap}" ]
|
|
then
|
|
echo
|
|
good_msg "Keeping default keymap"
|
|
splash set_msg "Keeping default keymap"
|
|
else
|
|
bad_msg "Sorry, but keymap ''${keymap}'' is invalid!"
|
|
unset keymap
|
|
chooseKeymap
|
|
fi
|
|
}
|
|
|
|
startVolumes() {
|
|
#good_msg 'Checking if volumes need to be started...'
|
|
|
|
# Here, we check for /dev/device-mapper, and if it exists, we setup a
|
|
# a symlink, which should hopefully fix bug #142775 and bug #147015
|
|
if [ -e /dev/device-mapper ] && [ ! -e /dev/mapper/control ]
|
|
then
|
|
mkdir -p /dev/mapper
|
|
ln -sf /dev/device-mapper /dev/mapper/control
|
|
fi
|
|
|
|
if [ "${USE_MDADM}" = '1' ]
|
|
then
|
|
/sbin/mdadm --assemble --scan
|
|
fi
|
|
|
|
if [ "${USE_DMRAID_NORMAL}" = '1' ]
|
|
then
|
|
if [ -e '/sbin/dmraid' ]
|
|
then
|
|
good_msg "Activating Device-Mapper RAID(s)"
|
|
if [ '${DMRAID_OPTS}' = '' ]
|
|
then
|
|
/sbin/dmraid -ay
|
|
else
|
|
/sbin/dmraid -ay ${DMRAID_OPTS}
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [ "${USE_LVM_NORMAL}" = '1' ]
|
|
then
|
|
if [ -e '/bin/lvm' ]
|
|
then
|
|
for dev in ${RAID_DEVICES}
|
|
do
|
|
setup_md_device "${dev}"
|
|
done
|
|
|
|
# This is needed for /bin/lvm to accept the following logic
|
|
lvm_commands="#! /bin/lvm"
|
|
|
|
# If there is a cahe, update it. Unbreak at least dmcrypt
|
|
[ -d /etc/lvm/cache ] && lvm_commands="${lvm_commands} \nvgscan"
|
|
|
|
# To activate volumegroups on all devices in the cache
|
|
lvm_commands="${lvm_commands} \nvgchange -ay --sysinit"
|
|
|
|
# To create symlinks so users can use real_root=/dev/vg/root
|
|
# This needs to run after vgchange, using vgchange --mknodes is too
|
|
# early.
|
|
lvm_commands="${lvm_commands} \nvgmknodes --ignorelockingfailure"
|
|
|
|
# And finally execute it all (/proc/... needed if lvm is compiled without readline)
|
|
good_msg "Scanning for and activating Volume Groups"
|
|
printf "%b\n" "${lvm_commands}" | /bin/lvm /proc/self/fd/0
|
|
else
|
|
bad_msg "vgscan or vgchange not found: skipping LVM volume group activation!"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
startiscsi() {
|
|
|
|
if [ ! -n "${ISCSI_NOIBFT}" ]
|
|
then
|
|
good_msg "Activating iSCSI via iBFT"
|
|
iscsistart -b
|
|
fi
|
|
|
|
if [ -n "${ISCSI_INITIATORNAME}" ] && [ -n "${ISCSI_TARGET}" ] && [ -n "${ISCSI_ADDRESS}" ]
|
|
then
|
|
good_msg "Activating iSCSI via cmdline"
|
|
|
|
if [ "${ISCSI_TGPT}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -g ${ISCSI_TGPT}"
|
|
else
|
|
ADDITIONAL="${ADDITIONAL} -g 1"
|
|
fi
|
|
|
|
if [ "${ISCSI_PORT}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -p ${ISCSI_PORT}"
|
|
fi
|
|
|
|
if [ "${ISCSI_USERNAME}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -u ${ISCSI_USERNAME}"
|
|
fi
|
|
|
|
if [ "${ISCSI_PASSWORD}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -w ${ISCSI_PASSWORD}"
|
|
fi
|
|
|
|
if [ "${ISCSI_USERNAME_IN}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -U ${ISCSI_USERNAME_IN}"
|
|
fi
|
|
|
|
if [ "${ISCSI_PASSWORD_IN}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -W ${ISCSI_PASSWORD_IN}"
|
|
fi
|
|
|
|
if [ "${ISCSI_DEBUG}" ]
|
|
then
|
|
ADDITIONAL="${ADDITIONAL} -d ${ISCSI_DEBUG}"
|
|
fi
|
|
|
|
iscsistart -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -a "${ISCSI_ADDRESS}" ${ADDITIONAL}
|
|
|
|
# let iscsid settle - otherwise mounting the iSCSI-disk will fail (very rarely, though)
|
|
sleep 1
|
|
fi
|
|
}
|
|
|
|
|
|
# Open a LUKS device
|
|
# It is either the root or a swap, other devices are supported in the scripts provided with sys-fs/cryptsetup-luks
|
|
# $1 - root/swap
|
|
openLUKS() {
|
|
# please use 'tr' and this line, or remove it
|
|
# eval local TYPE=`uppercase $1`
|
|
|
|
case $1 in
|
|
root)
|
|
local TYPE=ROOT
|
|
;;
|
|
swap)
|
|
local TYPE=SWAP
|
|
;;
|
|
esac
|
|
|
|
eval local LUKS_DEVICE='"${CRYPT_'${TYPE}'}"' LUKS_NAME="$1" LUKS_KEY='"${CRYPT_'${TYPE}'_KEY}"' LUKS_KEYDEV='"${CRYPT_'${TYPE}'_KEYDEV}"' LUKS_TRIM='"${CRYPT_'${TYPE}'_TRIM}"'
|
|
local DEV_ERROR=0 KEY_ERROR=0 KEYDEV_ERROR=0
|
|
local mntkey="/mnt/key/" cryptsetup_options=''
|
|
|
|
[ ! -e /sbin/cryptsetup ] && bad_msg "The ramdisk does not support LUKS" && exit 1
|
|
while [ 1 ]
|
|
do
|
|
local gpg_cmd=""
|
|
# if crypt_silent=1 and some error occurs, enter shell quietly
|
|
if [ \( ${CRYPT_SILENT} -eq 1 \) -a \( \( \( ${DEV_ERROR} -eq 1 \) -o \( ${KEY_ERROR} -eq 1 \) \) -o \( ${KEYDEV_ERROR} -eq 1 \) \) ]
|
|
then
|
|
run_shell
|
|
elif [ ${DEV_ERROR} -eq 1 ]
|
|
then
|
|
prompt_user "LUKS_DEVICE" "${LUKS_NAME}"
|
|
DEV_ERROR=0
|
|
elif [ ${KEY_ERROR} -eq 1 ]
|
|
then
|
|
prompt_user "LUKS_KEY" "${LUKS_NAME} key"
|
|
KEY_ERROR=0
|
|
elif [ ${KEYDEV_ERROR} -eq 1 ]
|
|
then
|
|
prompt_user "LUKS_KEYDEV" "${LUKS_NAME} key device"
|
|
KEYDEV_ERROR=0
|
|
else
|
|
case "${LUKS_DEVICE}" in
|
|
UUID\=*|LABEL\=*)
|
|
local REAL_LUKS=""
|
|
local retval=1
|
|
|
|
if [ "${retval}" -ne 0 ]; then
|
|
REAL_LUKS=`findfs "${LUKS_DEVICE}" 2>/dev/null`
|
|
retval=$?
|
|
fi
|
|
|
|
if [ "$retval" -ne 0 ]; then
|
|
REAL_LUKS=`busybox findfs "${LUKS_DEVICE}" 2>/dev/null`
|
|
retval=$?
|
|
fi
|
|
|
|
if [ "${retval}" -ne 0 ]; then
|
|
REAL_LUKS=`blkid -l -t "${LUKS_DEVICE}" | cut -d ":" -f 1 2>/dev/null`
|
|
retval=$?
|
|
fi
|
|
|
|
if [ "${retval}" -eq 0 ] && [ -n "${REAL_LUKS}" ]; then
|
|
good_msg "Detected device ${REAL_LUKS}"
|
|
LUKS_DEVICE="${REAL_LUKS}"
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
setup_md_device ${LUKS_DEVICE}
|
|
cryptsetup isLuks ${LUKS_DEVICE}
|
|
if [ $? -ne 0 ]
|
|
then
|
|
bad_msg "The LUKS device ${LUKS_DEVICE} does not contain a LUKS header" ${CRYPT_SILENT}
|
|
DEV_ERROR=1
|
|
continue
|
|
else
|
|
# Handle keys
|
|
if [ "x${LUKS_TRIM}" = "xyes" ]
|
|
then
|
|
good_msg "Enabling TRIM support for ${LUKS_NAME}." ${CRYPT_SILENT}
|
|
cryptsetup_options="${cryptsetup_options} --allow-discards"
|
|
fi
|
|
|
|
if [ -n "${LUKS_KEY}" ]
|
|
then
|
|
if [ ! -e "${mntkey}${LUKS_KEY}" ]
|
|
then
|
|
if [ -b "${LUKS_KEYDEV}" ]
|
|
then good_msg "Using key device ${LUKS_KEYDEV}." ${CRYPT_SILENT}
|
|
else
|
|
good_msg "Please insert removable device ${LUKS_KEYDEV} for ${LUKS_NAME}" ${CRYPT_SILENT}
|
|
# abort after 10 secs
|
|
local count=10
|
|
while [ ${count} -gt 0 ]
|
|
do
|
|
count=$((count-1))
|
|
sleep 1
|
|
if [ -b "${LUKS_KEYDEV}" ]
|
|
then
|
|
good_msg "Removable device ${LUKS_KEYDEV} detected." ${CRYPT_SILENT}
|
|
break
|
|
fi
|
|
done
|
|
if [ ! -b "${LUKS_KEYDEV}" ]
|
|
then
|
|
eval CRYPT_${TYPE}_KEY=${LUKS_KEY}
|
|
bootstrapKey ${TYPE}
|
|
eval LUKS_KEYDEV='"${CRYPT_'${TYPE}'_KEYDEV}"'
|
|
if [ ! -b "${LUKS_KEYDEV}" ]; then
|
|
KEYDEV_ERROR=1
|
|
bad_msg "Removable device ${LUKS_KEYDEV} not found." ${CRYPT_SILENT}
|
|
continue
|
|
fi
|
|
# continue otherwise will mount keydev which is mounted by bootstrap
|
|
continue
|
|
fi
|
|
fi
|
|
# At this point a device was recognized, now let's see if the key is there
|
|
[ ! -d "$mntkey" ] && mkdir -p ${mntkey} 2>/dev/null >/dev/null
|
|
|
|
mount -n -o ro ${LUKS_KEYDEV} ${mntkey} >/dev/null 2>/dev/null
|
|
if [ "$?" != '0' ]
|
|
then
|
|
KEYDEV_ERROR=1
|
|
bad_msg "Mounting of device ${LUKS_KEYDEV} failed." ${CRYPT_SILENT}
|
|
continue
|
|
else
|
|
good_msg "Removable device ${LUKS_KEYDEV} mounted." ${CRYPT_SILENT}
|
|
sleep 2
|
|
# keyfile exists?
|
|
if [ ! -e "${mntkey}${LUKS_KEY}" ]; then
|
|
umount -n ${mntkey} 2>/dev/null >/dev/null
|
|
KEY_ERROR=1
|
|
KEYDEV_ERROR=1
|
|
bad_msg "Key {LUKS_KEY} on device ${LUKS_KEYDEV} not found." ${CRYPT_SILENT}
|
|
continue
|
|
fi
|
|
fi
|
|
fi
|
|
# At this point a candidate key exists (either mounted before or not)
|
|
good_msg "${LUKS_KEY} on device ${LUKS_KEYDEV} found" ${CRYPT_SILENT}
|
|
if [ "$(echo ${LUKS_KEY} | grep -o '.gpg$')" = ".gpg" ] && [ -e /sbin/gpg ] ; then
|
|
[ -e /dev/tty ] && mv /dev/tty /dev/tty.org
|
|
mknod /dev/tty c 5 1
|
|
cryptsetup_options="-d -"
|
|
gpg_cmd="/sbin/gpg --logger-file /dev/null --quiet --decrypt ${mntkey}${LUKS_KEY} |"
|
|
else
|
|
cryptsetup_options="-d ${mntkey}${LUKS_KEY}"
|
|
fi
|
|
fi
|
|
# At this point, keyfile or not, we're ready!
|
|
crypt_filter "${gpg_cmd}cryptsetup ${cryptsetup_options} luksOpen ${LUKS_DEVICE} ${LUKS_NAME}"
|
|
if [ $? -eq 0 ]
|
|
then
|
|
good_msg "LUKS device ${LUKS_DEVICE} opened" ${CRYPT_SILENT}
|
|
break
|
|
else
|
|
bad_msg "Failed to open LUKS device ${LUKS_DEVICE}" ${CRYPT_SILENT}
|
|
DEV_ERROR=1
|
|
KEY_ERROR=1
|
|
KEYDEV_ERROR=1
|
|
fi
|
|
fi
|
|
fi
|
|
done
|
|
umount ${mntkey} 2>/dev/null >/dev/null
|
|
rmdir -p ${mntkey} 2>/dev/null >/dev/null
|
|
}
|
|
|
|
startLUKS() {
|
|
|
|
# if key is set but key device isn't, find it
|
|
|
|
[ -n "${CRYPT_ROOT_KEY}" ] && [ -z "${CRYPT_ROOT_KEYDEV}" ] \
|
|
&& sleep 6 && bootstrapKey "ROOT"
|
|
|
|
if [ -n "${CRYPT_ROOT}" ]; then
|
|
openLUKS "root"
|
|
if [ -n "${REAL_ROOT}" ]
|
|
then
|
|
# Rescan volumes
|
|
startVolumes
|
|
else
|
|
REAL_ROOT="/dev/mapper/root"
|
|
fi
|
|
fi
|
|
|
|
# same for swap, but no need to sleep if root was unencrypted
|
|
[ -n "${CRYPT_SWAP_KEY}" ] && [ -z "${CRYPT_SWAP_KEYDEV}" ] \
|
|
&& { [ -z "${CRYPT_ROOT}" ] && sleep 6; bootstrapKey "SWAP"; }
|
|
|
|
if [ -n "${CRYPT_SWAP}" ]; then
|
|
openLUKS "swap"
|
|
if [ -z "${REAL_RESUME}" ]
|
|
then
|
|
# Resume from swap as default
|
|
REAL_RESUME="/dev/mapper/swap"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
sdelay() {
|
|
# Sleep a specific number of seconds if SDELAY is set
|
|
if [ "${SDELAY}" ]
|
|
then
|
|
good_msg "Waiting ${SDELAY} seconds..."
|
|
sleep ${SDELAY}
|
|
elif [ "${CDROOT}" = '1' ]
|
|
then
|
|
# many CD/DVD drives require extra sleep, especially when
|
|
# connected via USB. Many people reported that 1 second sleep
|
|
# is not enough on their notebooks, that's why sleep 3, when booting
|
|
# off a livecd is a better default.
|
|
sleep 3
|
|
else
|
|
good_msg 'Hint: Use parameter scandelay[=seconds] if you need waiting here'
|
|
fi
|
|
}
|
|
|
|
quiet_kmsg() {
|
|
# if QUIET is set make the kernel less chatty
|
|
[ -n "$QUIET" ] && echo '0' > /proc/sys/kernel/printk
|
|
}
|
|
|
|
verbose_kmsg() {
|
|
# if QUIET is set make the kernel less chatty
|
|
[ -n "$QUIET" ] && echo '6' > /proc/sys/kernel/printk
|
|
}
|
|
|
|
|
|
cdupdate() {
|
|
if [ "${CDROOT}" = '1' ]
|
|
then
|
|
if [ -x /${CDROOT_PATH}/cdupdate.sh ]
|
|
then
|
|
good_msg "Running cdupdate.sh"
|
|
${CDROOT_PATH}/cdupdate.sh
|
|
if [ "$?" != '0' ]
|
|
then
|
|
bad_msg "Executing cdupdate.sh failed!"
|
|
run_shell
|
|
fi
|
|
else
|
|
good_msg 'No cdupdate.sh script found, skipping...'
|
|
fi
|
|
fi
|
|
}
|
|
|
|
setup_btrfsctl() {
|
|
# start BTRFS volume detection, if available
|
|
[ -x /sbin/btrfsctl ] && /sbin/btrfsctl -a
|
|
}
|
|
|
|
setup_md_device() {
|
|
local device
|
|
|
|
[ -z "$1" ] && device="${REAL_ROOT}" || device="$1"
|
|
[ -z "${device}" ] && return # LiveCD
|
|
|
|
if [ `echo ${device}|sed -e 's#\(luks:\)\?\(/dev/md\)[[:digit:]]\+#\2#'` = "/dev/md" ]
|
|
then
|
|
good_msg 'Detected real_root as a md device. Setting up the device node...'
|
|
MD_NUMBER=`echo ${device}|sed -e 's#\(luks:\)\?/dev/md\([[:digit:]]\+\)#\2#'`
|
|
if [ ! -e /dev/md${MD_NUMBER} ]
|
|
then
|
|
mknod /dev/md${MD_NUMBER} b 9 ${MD_NUMBER} >/dev/null 2>&1
|
|
[ $? -ne 0 ] && bad_msg "Creation of /dev/md${MD_NUMBER} failed..."
|
|
fi
|
|
mdstart ${MDPART} /dev/md${MD_NUMBER}
|
|
fi
|
|
}
|
|
|
|
rundebugshell() {
|
|
if [ -n "$DEBUG" ]
|
|
then
|
|
good_msg 'Starting debug shell as requested by "debug" option.'
|
|
good_msg 'Type "exit" to continue with normal bootup.'
|
|
[ -x /bin/sh ] && /bin/sh || /bin/ash
|
|
fi
|
|
}
|
|
|
|
do_resume() {
|
|
if [ -d /proc/suspend2 -o -d /sys/power/suspend2 -o -d /sys/power/tuxonice ]; then
|
|
tuxonice_resume
|
|
else
|
|
swsusp_resume
|
|
fi
|
|
}
|
|
|
|
swsusp_resume() {
|
|
# determine swap resume partition
|
|
local device=$(ls -lL "${REAL_RESUME}" | sed 's/\ */ /g' | cut -d \ -f 5-6 | sed 's/,\ */:/')
|
|
[ -f /sys/power/resume ] && echo "${device}" > /sys/power/resume
|
|
}
|
|
|
|
tuxonice_resume() {
|
|
local splash_theme
|
|
if grep "splash=" /proc/cmdline > /dev/null 2>&1; then
|
|
splash_theme=$(cat /proc/cmdline | sed 's/.*splash=/splash=/' | sed 's/ .*//' | sed 's/.*theme://' | sed 's/,.*//')
|
|
fi
|
|
|
|
local tuxonice_userui_program="/sys/power/tuxonice/user_interface/program"
|
|
local tuxonice_do_resume="/sys/power/tuxonice/do_resume"
|
|
local tuxonice_resumedev="/sys/power/tuxonice/resume"
|
|
local tuxonice_replace_swsusp="/sys/power/tuxonice/replace_swsusp"
|
|
|
|
#
|
|
# Backward compatibility
|
|
#
|
|
if [ -e /sys/power/suspend2 ]; then
|
|
tuxonice_userui_program="/sys/power/suspend2/user_interface/program"
|
|
tuxonice_do_resume="/sys/power/suspend2/do_resume"
|
|
tuxonice_resumedev="/sys/power/suspend2/resume"
|
|
tuxonice_replace_swsusp="/sys/power/suspend2/replace_swsusp"
|
|
elif [ -e /proc/suspend2 ]; then
|
|
tuxonice_userui_program="/proc/suspend2/userui_program"
|
|
tuxonice_do_resume="/proc/suspend2/do_resume"
|
|
tuxonice_resumedev="/proc/suspend2/resume"
|
|
tuxonice_replace_swsusp="/proc/suspend2/replace_swsusp"
|
|
fi
|
|
|
|
# if 'use_swsusp' is given, use swsusp instead
|
|
if grep "use_swsusp" /proc/cmdline > /dev/null 2>&1; then
|
|
echo 0 > ${tuxonice_replace_swsusp}
|
|
swsusp_resume
|
|
return
|
|
fi
|
|
|
|
modules_scan tuxonice
|
|
|
|
# we both configure tuxonice and activate resuming,
|
|
# however the kernel will resume only if an image is found
|
|
|
|
if ! grep suspend_noui /proc/cmdline > /dev/null 2>&1; then
|
|
which suspend2ui_text > /dev/null 2>&1 && which suspend2ui_text > "${tuxonice_userui_program}"
|
|
which tuxoniceui_text > /dev/null 2>&1 && which tuxoniceui_text > "${tuxonice_userui_program}"
|
|
|
|
if [ -n "${splash_theme}" ]; then
|
|
ln -s /etc/splash/${splash_theme} /etc/splash/suspend2
|
|
ln -s /etc/splash/${splash_theme} /etc/splash/tuxonice
|
|
|
|
which suspend2ui_fbsplash > /dev/null 2>&1 && which suspend2ui_fbsplash > "${tuxonice_userui_program}"
|
|
which tuxoniceui_fbsplash > /dev/null 2>&1 && which tuxoniceui_fbsplash > "${tuxonice_userui_program}"
|
|
fi
|
|
|
|
fi
|
|
echo "${REAL_RESUME}" > "${tuxonice_resumedev}"
|
|
echo > "${tuxonice_do_resume}"
|
|
}
|
|
|
|
find_loop() {
|
|
for loop in ${LOOPS}
|
|
do
|
|
if [ -e "${CDROOT_PATH}""${loop}" ]
|
|
then
|
|
LOOP="${loop}"
|
|
fi
|
|
done
|
|
}
|
|
|
|
find_looptype() {
|
|
LOOPTYPE="${LOOP##*.}"
|
|
[ "${LOOPTYPE}" == "loop" ] && LOOPTYPE="normal"
|
|
[ "${LOOP}" == "/zisofs" ] && LOOPTYPE="${LOOP#/}"
|
|
[ -z "${LOOPTYPE}" ] && LOOPTYPE="noloop"
|
|
}
|
|
|
|
getdvhoff() {
|
|
echo $(( $(hexdump -n 4 -s $((316 + 12 * $2)) -e '"%i"' $1) * 512))
|
|
}
|
|
|
|
setup_squashfs_aufs() {
|
|
(
|
|
# Setup aufs directories and vars
|
|
local overlay=/mnt/overlay
|
|
local static=/mnt/livecd
|
|
|
|
for i in "${overlay}" "${static}"; do
|
|
[ ! -d "${i}" ] && mkdir -p "${i}"
|
|
done
|
|
good_msg "Loading aufs"
|
|
modprobe aufs > /dev/null 2>&1
|
|
|
|
mount -t squashfs -o loop,ro "${CDROOT_PATH}/${LOOPEXT}${LOOP}" "${static}"
|
|
mount -t tmpfs none "${overlay}"
|
|
mount -t aufs -o br:${overlay}:${static} aufs "${NEW_ROOT}"
|
|
|
|
[ ! -d "${NEW_ROOT}${overlay}" ] && mkdir -p "${NEW_ROOT}${overlay}"
|
|
[ ! -d "${NEW_ROOT}${static}" ] && mkdir -p "${NEW_ROOT}${static}"
|
|
echo "aufs / aufs defaults 0 0" > "${NEW_ROOT}"/etc/fstab
|
|
for i in "${overlay}" "${static}"; do mount --move "${i}" "${NEW_ROOT}${i}"; done
|
|
|
|
# have handy /mnt/cdrom (CDROOT_PATH) as well
|
|
local new_cdroot="${NEW_ROOT}${CDROOT_PATH}"
|
|
[ ! -d "${new_cdroot}" ] && mkdir -p "${new_cdroot}"
|
|
mount --bind "${CDROOT_PATH}" "${new_cdroot}"
|
|
)
|
|
}
|
|
|
|
setup_unionfs() {
|
|
local rw_dir=$1
|
|
local ro_dir=$2
|
|
if [ "${USE_UNIONFS_NORMAL}" = '1' ]
|
|
then
|
|
# Directory used for rw changes in union mount filesystem
|
|
UNION=/union
|
|
# MEMORY=/memory
|
|
# if [ -z "$UID" ]
|
|
# then
|
|
# CHANGES=$MEMORY/unionfs_changes/default
|
|
# else
|
|
# CHANGES=$MEMORY/unionfs_changes/$UID
|
|
# fi
|
|
|
|
# mkdir -p ${MEMORY}
|
|
mkdir -p ${UNION}
|
|
good_msg "Loading fuse module"
|
|
modprobe fuse > /dev/null 2>&1
|
|
# if [ -n "${UNIONFS}" ]
|
|
# then
|
|
# CHANGESDEV=${UNIONFS}
|
|
# good_msg "mounting $CHANGESDEV to $MEMORY for unionfs support"
|
|
# mount -t auto $CHANGESDEV $MEMORY
|
|
# # mount tmpfs only in the case when changes= boot parameter was
|
|
# # empty or we were not able to mount the storage device
|
|
# ret=$?
|
|
# if [ ${ret} -ne 0 ]
|
|
# then
|
|
# bad_msg "mount of $CHANGESDEV failed falling back to ramdisk based unionfs"
|
|
# mount -t tmpfs tmpfs $MEMORY
|
|
# fi
|
|
# if [ "${CDROOT}" -eq '1' -a ! -f ${MEMORY}/livecd.unionfs ]
|
|
# then
|
|
# umount $MEMORY
|
|
# bad_msg "failed to find livecd.unionfs file on $CHANGESDEV"
|
|
# bad_msg "create a livecd.unionfs file on this device if you wish to use it for unionfs"
|
|
# bad_msg "falling back to ramdisk based unionfs for safety"
|
|
# mount -t tmpfs tmpfs $MEMORY
|
|
# fi
|
|
# else
|
|
# good_msg "Mounting ramdisk to $MEMORY for unionfs support..."
|
|
# mount -t tmpfs tmpfs $MEMORY
|
|
# fi
|
|
|
|
mkdir /tmp
|
|
mkdir -p ${UNION}
|
|
# mkdir -p $CHANGES
|
|
# mount -t unionfs -o dirs=$CHANGES=rw unionfs ${UNION}
|
|
good_msg "Creating union mount"
|
|
unionfs -o allow_other,cow,noinitgroups,suid,dev,default_permissions,use_ino ${rw_dir}=RW:${ro_dir}=RO ${UNION} 2>/dev/null
|
|
ret=$?
|
|
if [ ${ret} -ne 0 ]
|
|
then
|
|
bad_msg "Can't setup union mount!"
|
|
USE_UNIONFS_NORMAL=0
|
|
fi
|
|
[ ! -d "${NEW_ROOT}${CDROOT_PATH}" ] && mkdir -p "${NEW_ROOT}${CDROOT_PATH}"
|
|
mount --bind "${CDROOT_PATH}" "${NEW_ROOT}${CDROOT_PATH}"
|
|
else
|
|
USE_UNIONFS_NORMAL=0
|
|
fi
|
|
}
|