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116 lines
3.3 KiB
116 lines
3.3 KiB
8 years ago
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#!/bin/sh
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getcmdline() {
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while read -r _line || [ -n "$_line" ]; do
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printf "%s" "$_line"
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done </proc/cmdline;
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}
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_dogetarg() {
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local _o _val _doecho
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unset _val
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unset _o
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unset _doecho
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CMDLINE=$(getcmdline)
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for _o in $CMDLINE; do
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if [ "${_o%%=*}" = "${1%%=*}" ]; then
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if [ -n "${1#*=}" -a "${1#*=*}" != "${1}" ]; then
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# if $1 has a "=<value>", we want the exact match
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if [ "$_o" = "$1" ]; then
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_val="1";
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unset _doecho
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fi
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continue
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fi
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if [ "${_o#*=}" = "$_o" ]; then
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# if cmdline argument has no "=<value>", we assume "=1"
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_val="1";
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unset _doecho
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continue
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fi
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_val="${_o#*=}"
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_doecho=1
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fi
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done
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if [ -n "$_val" ]; then
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[ "x$_doecho" != "x" ] && echo "$_val";
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return 0;
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fi
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return 1;
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}
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getarg() {
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local _deprecated _newoption
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while [ $# -gt 0 ]; do
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case $1 in
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-d) _deprecated=1; shift;;
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-y) if _dogetarg $2 >/dev/null; then
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if [ "$_deprecated" = "1" ]; then
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[ -n "$_newoption" ] && warn "Kernel command line option '$2' is deprecated, use '$_newoption' instead." || warn "Option '$2' is deprecated."
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fi
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echo 1
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return 0
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fi
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_deprecated=0
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shift 2;;
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-n) if _dogetarg $2 >/dev/null; then
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echo 0;
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if [ "$_deprecated" = "1" ]; then
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[ -n "$_newoption" ] && warn "Kernel command line option '$2' is deprecated, use '$_newoption=0' instead." || warn "Option '$2' is deprecated."
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fi
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return 1
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fi
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_deprecated=0
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shift 2;;
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*) if [ -z "$_newoption" ]; then
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_newoption="$1"
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fi
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if _dogetarg $1; then
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if [ "$_deprecated" = "1" ]; then
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[ -n "$_newoption" ] && warn "Kernel command line option '$1' is deprecated, use '$_newoption' instead." || warn "Option '$1' is deprecated."
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fi
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return 0;
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fi
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_deprecated=0
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shift;;
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esac
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done
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return 1
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}
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getargbool() {
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local _b
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unset _b
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local _default
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_default="$1"; shift
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_b=$(getarg "$@")
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[ $? -ne 0 -a -z "$_b" ] && _b="$_default"
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if [ -n "$_b" ]; then
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[ $_b = "0" ] && return 1
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[ $_b = "no" ] && return 1
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[ $_b = "off" ] && return 1
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fi
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return 0
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}
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin
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exec >/dev/console 2>&1
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strstr() { [ "${1##*"$2"*}" != "$1" ]; }
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CMDLINE=$(while read line || [ -n "$line" ]; do echo $line;done < /proc/cmdline)
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export TERM=linux
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export PS1='initramfs-test:\w\$ '
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stty sane
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echo "made it to the rootfs! Powering down."
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while read dev fs fstype opts rest || [ -n "$dev" ]; do
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[ "$fstype" != "ext3" ] && continue
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echo "iscsi-OK $dev $fstype $opts" > /dev/sda
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break
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done < /proc/mounts
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#sh -i
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if getargbool 0 rd.shell; then
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strstr "$(setsid --help)" "control" && CTTY="-c"
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setsid $CTTY sh -i
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fi
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poweroff -f
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