Merge branch 'master' of ssh://git.ipfire.org/pub/git/ipfire-2.x

[people/mfischer/ipfire-2.x.git] / src / initscripts / system / random

#!/bin/sh
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

. /etc/sysconfig/rc
. $rc_functions

if [ -e /proc/sys/kernel/random/poolsize ]; then
	poolsize=$(</proc/sys/kernel/random/poolsize);
	poolsize=$(expr $poolsize / 8 );
else
	poolsize=512;
fi

case "$1" in
	start)

		#CRNG init need 128bit so wait until there is more)
		avail=$(</proc/sys/kernel/random/entropy_avail)
		while [ $avail -lt 130 ]; do
			avail=$(</proc/sys/kernel/random/entropy_avail)
			boot_mesg -n "\rWait for entropy: $avail/130   "
			# Generate some disc access to gather entropy
			echo  avail > /var/tmp/random-tmpfile
			sync
			rm -f /var/tmp/random-tmpfile
		done;
		;;

	*)
		echo "Usage: $0 {start}"
		exit 1
		;;
esac