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#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2022 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/HEAD/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/HEAD/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.
: ${urandom_seed:=${URANDOM_SEED:-/var/lib/misc/random-seed}}
description="Initializes the random number generator."
depend()
{
after clock
need localmount
keyword -docker -jail -lxc -openvz -prefix -systemd-nspawn
}
save_seed()
{
( # sub shell to prevent umask pollution
umask 077
dd if=/dev/urandom of="$urandom_seed" count=1 2>/dev/null
)
}
start()
{
[ -c /dev/urandom ] || return
if [ -f "$urandom_seed" ]; then
ebegin "Initializing random number generator"
cat "$urandom_seed" > /dev/urandom
eend $? "Error initializing random number generator"
fi
rm -f "$urandom_seed" && save_seed
return 0
}
stop()
{
ebegin "Saving random seed"
save_seed
eend $? "Failed to save random seed"
}
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