#!/bin/sh
#
# $NetBSD: entropy,v 1.1 2021/01/10 23:24:25 riastradh Exp $
#

# PROVIDE: entropy
# REQUIRE: random_seed rndctl
# BEFORE: ike ipsec network

$_rc_subr_loaded . /etc/rc.subr

name="entropy"
start_cmd="entropy_start"
stop_cmd=":"

entropy_start()
{
	case ${entropy-} in
	'')	;;
	check)	echo -n "Checking for entropy..."
		# dd will print an error message `Resource temporarily
		# unavailable' to stderr, which is a little annoying,
		# but getting rid of it is also a little annoying.
		if dd if=/dev/random iflag=nonblock of=/dev/null bs=1 count=1 \
		    msgfmt=quiet; then
			echo "done"
		else
			echo "not enough entropy available, aborting boot."
			stop_boot
		fi
		;;
	wait)	echo -n "Waiting for entropy..."
		dd if=/dev/random of=/dev/null bs=1 count=1 msgfmt=quiet
		echo "done"
		;;
	esac
}

load_rc_config "$name"
run_rc_command "$1"