diff options
Diffstat (limited to 'scripts/functions')
| -rw-r--r-- | scripts/functions | 205 |
1 files changed, 160 insertions, 45 deletions
diff --git a/scripts/functions b/scripts/functions index f715e68..419203a 100644 --- a/scripts/functions +++ b/scripts/functions @@ -42,6 +42,11 @@ panic() if [ -x /sbin/usplash_write ]; then /sbin/usplash_write "QUIT" fi + + if command -v chvt >/dev/null 2>&1; then + chvt 1 + fi + # Disallow console access if [ -n "${panic}" ]; then sleep ${panic} @@ -49,8 +54,8 @@ panic() fi modprobe i8042 modprobe atkbd - echo $@ - PS1='(initramfs) ' /bin/sh -i </dev/console >/dev/console 2>&1 + echo "$@" + REASON="$@" PS1='(initramfs) ' /bin/sh -i </dev/console >/dev/console 2>&1 } maybe_break() @@ -74,7 +79,7 @@ set_initlist() # only allow variable name chars case ${si_x#${initdir}/} in - *[![:alnum:]_]*) + *[![:alnum:]\._-]*) [ "${verbose}" = "y" ] \ && echo "$si_x ignored: not alphanumeric or '_' file" continue @@ -95,7 +100,14 @@ set_initlist() continue fi - initlist="${initlist} ${si_x#${initdir}/}" + # skip bad syntax + if ! sh -n ${si_x} ; then + [ "${verbose}" = "y" ] \ + && echo "$si_x ignored: bad syntax" + continue + fi + + initlist="${initlist:-} ${si_x#${initdir}/}" done } @@ -106,18 +118,17 @@ reduce_satisfied() for rs_y in ${deplist}; do # only allow variable name chars case ${rs_y} in - *[![:alnum:]_]*) + *[![:alnum:]\._-]*) continue ;; esac # skip non executable scripts - if [ ! -x ${initdir}/${rs_y} ]; then - continue - fi + [ ! -x ${initdir}/${rs_y} ] && continue # skip directories - if [ -d ${initdir}/${rs_y} ]; then - continue - fi + [ -d ${initdir}/${rs_y} ] && continue + # skip bad syntax + sh -n ${initdir}/${rs_y} || continue + tmpdeplist="${tmpdeplist} ${rs_y}" done deplist=${tmpdeplist} @@ -186,28 +197,57 @@ reduce_prereqs() done } +get_prereq_pairs() +{ + set_initlist + for gp_x in ${initlist:-}; do + echo ${gp_x} ${gp_x} + prereqs=$(${initdir}/${gp_x} prereqs) + for prereq in ${prereqs}; do + echo ${prereq} ${gp_x} + done + done +} + call_scripts() { + set -e for cs_x in ${runlist}; do + [ -f ${initdir}/${cs_x} ] || continue # mkinitramfs verbose output if [ "${verbose}" = "y" ]; then echo "Calling hook ${cs_x}" fi - ${initdir}/${cs_x} - # allow boot scripts to modify exported boot paramaters + ${initdir}/${cs_x} && ec=$? || ec=$? + # allow hooks to abort build: + if [ "$ec" -ne 0 ]; then + echo "E: ${initdir}/${cs_x} failed with return $ec." + # only errexit on mkinitramfs + [ -n "${version}" ] && exit $ec + fi + # allow boot scripts to modify exported boot parameters if [ -e /conf/param.conf ]; then . /conf/param.conf fi done + set +e } run_scripts() { initdir=${1} [ ! -d ${initdir} ] && return - get_prereqs - reduce_prereqs - call_scripts + + if [ -f ${initdir}/ORDER ]; then + . ${initdir}/ORDER + elif command -v tsort >/dev/null 2>&1; then + runlist=$(get_prereq_pairs | tsort) + call_scripts ${2:-} + else + get_prereqs + reduce_prereqs + call_scripts + fi } # Load custom modules first @@ -256,47 +296,122 @@ parse_numeric() { ROOT=/dev/root } +# Parameter: device node to check +# Echos fstype to stdout +# Return value: indicates if an fs could be recognized +get_fstype () +{ + local FS FSTYPE FSSIZE RET + FS="${1}" + + # blkid has a more complete list of file systems, + # but fstype is more robust + eval $(fstype "${FS}" 2> /dev/null) + if [ "$FSTYPE" = "unknown" ] && command -v blkid >/dev/null 2>&1 ; then + FSTYPE=$(blkid -o value -s TYPE "${FS}") + elif [ "$FSTYPE" = "unknown" ] && [ -x /lib/udev/vol_id ]; then + FSTYPE=$(/lib/udev/vol_id -t "${FS}" 2> /dev/null) + fi + RET=$? + + if [ -z "${FSTYPE}" ]; then + FSTYPE="unknown" + fi + + echo "${FSTYPE}" + return ${RET} +} + configure_networking() { + if [ -n "${BOOTIF}" ]; then + # pxelinux sets BOOTIF to a value based on the mac address of the + # network card used to PXE boot, so use this value for DEVICE rather + # than a hard-coded device name from initramfs.conf. this facilitates + # network booting when machines may have multiple network cards. + # pxelinux sets BOOTIF to 01-$mac_address + + # strip off the leading "01-", which isn't part of the mac + # address + temp_mac=${BOOTIF#*-} + + # convert to typical mac address format by replacing "-" with ":" + bootif_mac="" + IFS='-' + for x in $temp_mac ; do + if [ -z "$bootif_mac" ]; then + bootif_mac="$x" + else + bootif_mac="$bootif_mac:$x" + fi + done + unset IFS + + # look for devices with matching mac address, and set DEVICE to + # appropriate value if match is found. + for device in /sys/class/net/* ; do + if [ -f "$device/address" ]; then + current_mac=$(cat "$device/address") + if [ "$bootif_mac" = "$current_mac" ]; then + DEVICE=${device##*/} + break + fi + fi + done + fi + # networking already configured thus bail out [ -n "${DEVICE}" ] && [ -e /tmp/net-"${DEVICE}".conf ] && return 0 # support ip options see linux sources # Documentation/filesystems/nfsroot.txt - case ${IPOPTS} in - none|off) - # Do nothing - ;; - ""|on|any) - # Bring up device - ipconfig -t 180 ${DEVICE} - ;; - dhcp|bootp|rarp|both) - ipconfig -t 180 -c ${IPOPTS} -d ${DEVICE} - ;; - *) - ipconfig -t 180 -d $IPOPTS - - # grab device entry from ip option - NEW_DEVICE=${IPOPTS#*:*:*:*:*:*} - if [ "${NEW_DEVICE}" != "${IPOPTS}" ]; then - NEW_DEVICE=${NEW_DEVICE%:*} - else - # wrong parse, possibly only a partial string - NEW_DEVICE= - fi - if [ -n "${NEW_DEVICE}" ]; then - DEVICE="${NEW_DEVICE}" - fi - ;; - esac + # Documentation/frv/booting.txt + + for ROUNDTTT in 2 3 4 6 9 16 25 36 64 100; do + + # The NIC is to be configured if this file does not exist. + # Ip-Config tries to create this file and when it succeds + # creating the file, ipconfig is not run again. + for x in /tmp/net-"${DEVICE}".conf /tmp/net-*.conf ; do + [ -e "$x" ] && break 2 + done + + case ${IP} in + none|off) + # Do nothing + ;; + ""|on|any) + # Bring up device + ipconfig -t ${ROUNDTTT} "${DEVICE}" + ;; + dhcp|bootp|rarp|both) + ipconfig -t ${ROUNDTTT} -c ${IP} -d "${DEVICE}" + ;; + *) + ipconfig -t ${ROUNDTTT} -d $IP + + # grab device entry from ip option + NEW_DEVICE=${IP#*:*:*:*:*:*} + if [ "${NEW_DEVICE}" != "${IP}" ]; then + NEW_DEVICE=${NEW_DEVICE%:*} + else + # wrong parse, possibly only a partial string + NEW_DEVICE= + fi + if [ -n "${NEW_DEVICE}" ]; then + DEVICE="${NEW_DEVICE}" + fi + ;; + esac + done # source ipconfig output if [ -n "${DEVICE}" ]; then # source specific bootdevice . /tmp/net-${DEVICE}.conf else - # source any interface as not exaclty specified + # source any interface... + # ipconfig should have quit after first response . /tmp/net-*.conf fi } @@ -304,6 +419,6 @@ configure_networking() # Wait for queued kernel/udev events wait_for_udev() { - [ -x "$(command -v udevadm)" ] || return 0 + command -v udevadm >/dev/null 2>&1 || return 0 udevadm settle ${1:+--timeout=$1} } |