#! /bin/sh

readonly CGIBIN="${CGIBINDIR:=%webserver_cgibindir}/${CGIBIN_NAME?}"
readonly CGIBINAPP="${CGIBINAPPDIR?}/${CGIBIN_NAME?}"

. %_sysconfdir/control.d/functions

new_summary "$CGIBIN use"

new_help none "$CGIBIN does not exist"
new_help file_root_noexec "$CGIBIN is not an executable file with the owner root"
new_help file_root_exec "$CGIBIN is an executable file with the owner root"
new_help file_webmaster_noexec "$CGIBIN is not an executable file with the owner \"%webserver_webmaster\" group"
new_help file_webmaster_exec "$CGIBIN is an executable file with the owner \"%webserver_webmaster\" group"
new_help symlink_root_noexec "$CGIBIN symlink there, the owner root, not on an executable file $CGIBINAPP"
new_help symlink_root_exec "$CGIBIN symlink there, the owner root, to the executable file $CGIBINAPP"
new_help symlink_webmaster_noexec "$CGIBIN symlink there, the owner \"%webserver_webmaster\" group, not on an executable file $CGIBINAPP"
new_help symlink_webmaster_exec "$CGIBIN symlink there, the owner \"%webserver_webmaster\" group, to the executable file $CGIBINAPP"

new_fmode file_root_noexec 644 root root
new_fmode file_root_exec 755 root root
new_fmode file_webmaster_noexec 664 root %webserver_webmaster
new_fmode file_webmaster_exec 775 root %webserver_webmaster
new_fmode symlink_root_noexec 777 root root
new_fmode symlink_root_exec 777 root root
new_fmode symlink_webmaster_noexec 777 root %webserver_webmaster
new_fmode symlink_webmaster_exec 777 root %webserver_webmaster

if is_builtin_mode "$*"; then
	case "$*" in
	status|'')
		if [ -L "$CGIBIN" ]; then
			PATH_CGIBIN="`readlink -e "$CGIBIN"`" || exit 1
			PATH_CGIBINAPP="`readlink -e "$CGIBINAPP"`" || exit 1
			if [ "$PATH_CGIBIN" = "$PATH_CGIBINAPP" ]; then
				STATUS_CGIBIN="`control_fmode "$CGIBIN" status`" || exit 1
				STATUS_SYMLINK="`echo "$STATUS_CGIBIN" \
						| sed -nr '/^symlink_(root|webmaster)_(no|)exec$/s/^(symlink_(root|webmaster)_).*$/\1/p'`"
				if [ "$STATUS_SYMLINK" != "" ]; then
					STATUS_CGIBINAPP="`control_fmode "$CGIBINAPP" status`" || exit 1
					STATUS_FILE="`echo "$STATUS_CGIBINAPP" \
							| sed -nr '/^file_(root|webmaster)_(no|)exec$/s/^.+_((no|)exec)$/\1/p'`"
					if [ "$STATUS_FILE" != "" ]; then
						echo "$STATUS_SYMLINK$STATUS_FILE"
						exit 0
					fi
				fi
			fi
			echo "unknown"
			exit 0
		elif [ -f "$CGIBIN" ]; then
			control_fmode "$CGIBIN" status || exit 1
		else
			echo "none"
			exit 0
		fi
		;;
	*)
		control_fmode "$CGIBIN" "$*"
		;;
	esac
else
	case "$*" in
	none)
		rm -f "$CGIBIN"
		;;
	file_*)
		if [ -L "$CGIBIN" ]; then
			rm -f "$CGIBIN"
			cp -a "$CGIBINAPP" "$CGIBIN"
		fi

		control_fmode "$CGIBIN" "$*" || exit 1
		;;
	symlink_*)
		PATH_CGIBINAPP="`readlink -e "$CGIBINAPP"`" || exit 1
		( [ -L "$CGIBIN" ] \
			&& PATH_CGIBIN="`readlink -e "$CGIBIN"`" \
			&& [ "$PATH_CGIBIN" == "$PATH_PCGIBINAPP" ] \
		) || ln -sf "$CGIBINAPP" "$CGIBIN"

		STATUS_EXEC="`echo "$1" \
				| sed -nr '/^([^_]+_){2}(no|)exec$/s/^.+_((no|)exec)$/\1/p'`"
		if [ "$STATUS_EXEC" != "" ]; then
			control_fmode "$CGIBINAPP" file_root_$STATUS_EXEC
		else
			exit 1
		fi

		case "$1" in
		*_root_*)
			GROUP="root"
			;;
		*_webmaster_*)
			GROUP="%webserver_webmaster"
			;;
		*)
			exit 1
		esac
		chown -h "root:$GROUP" "$CGIBIN"
		;;
	*)
		control_fmode "$CGIBIN" "$*"
		;;
	esac
fi