path: root/core/rootfs/rootfs-stage31/data/inc/parse_kcl

#!/bin/ash

getip () {
	echo "${IPINFO}" | awk -F ':' "{print \$$1}"
}
parse_ip () {
	local IPINFO=$1
	CLIENTIP="$(getip 1)"
	SERVERIP="$(getip 2)"
	GATEWAY="$(getip 3)"
	SUBNET_MASK="$(getip 4)"
	BROADCAST_ADDRESS="$(ipcalc -s -b "$CLIENTIP" "$SUBNET_MASK" | sed s/.*=//)"
	[ -z "$BROADCAST_ADDRESS" ] && BROADCAST_ADDRESS="255.255.255.255"
	# we might have an idea of the dns server via preboot
	DNS_SERVER="$(getip 5)"
}

# read kernel command line
DEBUG=0
SPLASH=0
read KCL < "/proc/cmdline"
for opts in ${KCL}; do
	case "${opts}" in
		debug=*)
			DEBUG=${opts#debug=}
			DEBUG_SHELL=set
			;;
		ip=*)
			# process IP info
			parse_ip ${opts#ip=} ;;
		nfs=*) # TODO: Still working? Still needed? Also see related code in setup_stage32
			NFS=${opts#nfs=}
			NFSPATH=${NFS#*:}
			NFSSERVER=${NFS%:/*}
			;;
		BOOTIF=*)
			MAC="$( echo "$opts" | cut -b 11- | tr '-' ':' | tr '[A-Z]' '[a-z]' )" ;; # make mac lowercase for udev (see setup_network)
		slxsrv=*)
			SLX_KCL_SERVERS=$( echo "${opts#slxsrv=}" | tr ',' " " ) ;;
		slxbase=*)
			SLX_BASE_PATH=${opts#slxbase=} ;;
		splash)
			SPLASH=1 ;;
		nvidia)
			GFX=nvidia ;;
		amdgpu)
			GFX=amdgpu ;;
		radeon)
			GFX=radeon ;;
		dhcpuuid)
			USE_DHCP_UUID=yes
			echo "SLX_NET_DHCP_UUID='yes'" >> "/run/config"
			;;
	esac
done

# If slxsrv was not given on command line, just use the PXE server's address
[ -z "$SLX_KCL_SERVERS" ] && [ -n "$SERVERIP" ] && SLX_KCL_SERVERS="$SERVERIP"
# Now save to config file
echo "SLX_KCL_SERVERS='$SLX_KCL_SERVERS'" >> "${FUTURE_ROOT}/opt/openslx/config"
echo "SLX_BASE_PATH='$SLX_BASE_PATH'" >> "${FUTURE_ROOT}/opt/openslx/config"

true