#!/bin/sh
#

PATID=109235
NUNDO_REV=04

INFO="$PKG_INSTALL_ROOT/var/sadm/pkg/SUNWncar/pkginfo"
pids=`egrep '^PATCHLIST' $INFO | nawk -F= '{print $2}'`

undo_ncakmod() {
fname=ncakmod
cat >/tmp/$fname.$$ <<\EOF
#!/sbin/sh 
#
# Copyright (c) 1999 by Sun Microsystems, Inc.
# All rights reserved.
#
#ident	"@(#)ncakmod	1.2	99/11/01 SMI"

# Default config values used by script
nca=/kernel/drv/nca
ncakmodconf=/etc/nca/ncakmod.conf
ncaifconf=/etc/nca/nca.if
tempdir=/tmp
default_miss_door=/var/run/nca_httpd_1.door

# Function used to parse the interface names from /etc/hostname.* entries
readifconf()
{
	while read i; do
		case "$i" in
		'#'* | '')	# Ignore comments, empty lines
				continue ;;
		'*')		configinterfaces="`echo /etc/hostname.*[0-9] \
				   2>/dev/null`"
				checkforvirt=false
				break ;;
		esac
		configinterfaces="$configinterfaces $i"
	done
}

case "$1" in
'start')

	if [ ! -f $ncakmodconf ]; then
		# If configuration file is missing, just exit
		exit 0
	fi

	. $ncakmodconf

	# Default is "disabled" so we want to exit
	[ "x$status" != "xenabled" ] && exit 0

	if [ -f "$ncaifconf" ]; then
		readifconf < $ncaifconf
		configinterfaces="`echo $configinterfaces | \
			/bin/sed 's/.etc.hostname.//g'`"
		for i in $configinterfaces; do
			findinterface="`echo $i | /bin/grep '[0-9][0-9]*'`"
			if [ $? -ne 0 ]; then
				# Need to expand interface (ie. iprb)
				interface="`echo /etc/hostname.$i*[0-9] \
					2>/dev/null | /bin/sed \
					's/.etc.hostname.//g'`"
				interfaces="$interfaces $interface"
			else
				interfaces="$interfaces $i"
			fi
		done

		# If we don't have any interfaces configured, exit
		[ -z "$interfaces" ] && exit 0
		
		interfaces="`echo $interfaces | /bin/tr ' ' '\012' | \
		    /bin/grep -v :`"
		if [ -z "`/usr/sbin/modinfo | /bin/awk \
			'{print $6}' | /bin/grep nca | /bin/sort -u" ]; then
				# Load NCA if it's not loaded (default case)
				/usr/sbin/modload $nca
		else
			echo "NCA has already been started."
			exit 1
		fi

		# Insert NCA into the stream of all the interfaces configured.
		for i in $interfaces; do
			pos=`/usr/sbin/ifconfig $i modlist | \
			    /bin/grep ' ip$' | \
			    /bin/cut -d' ' -f1`
			# Always insert NCA just below IP.
			pos=`/bin/expr $pos + 1`
			/usr/sbin/ifconfig $i modinsert nca@$pos
		done

		if [ "$httpd_door_path" != "$default_miss_door" ]; then
			# Set the default HTTPD door in NCA via ndd
			/usr/sbin/ndd -set /dev/nca httpd_door_path \
			    $httpd_door_path
		fi
	fi
	;;

'stop')
	# Need to reboot the system to stop
	echo "System reset is required to stop NCA functionality"
	;;

*)

	echo "Usage: $0 { start | stop }"
	exit 1
	;;
esac
exit 0
EOF

cp /tmp/$fname.$$ $PKG_INSTALL_ROOT/etc/init.d/$fname
rm /tmp/$fname.$$

return 0

}

for i in `echo $pids`; do
	echo $i | egrep -s $PATID || continue
	rev=`expr //$i : '.*-\(.*\)'`
	#No undo edits for rev-04 or higher
	[ $rev -ge $NUNDO_REV ] && exit
done

undo_ncakmod && exit

exit 0
