sys-apps/rng-tools/files/rngd-initd-6.7


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#!/sbin/openrc-run
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

depend() {
	need localmount
	after urandom
	provide entropy
}

command="/usr/sbin/rngd"
description="Check and feed random data from hardware device to kernel entropy pool."
pidfile="/var/run/${RC_SVCNAME}.pid"
command_args=""
command_args_background="--pid-file ${pidfile} --background"
start_stop_daemon_args="--wait 1000"
retry="SIGKILL/5000"


# Parse rngd confd file for extra command line arguments
start_pre() {
    for entsrc in ${INCLUDE_ENTROPY_SOURCES}; do
	command_args="${command_args} -n ${entsrc}"
    done

    for entsrc in ${EXCLUDE_ENTROPY_SOURCES}; do
	command_args="${command_args} -x ${entsrc}"
    done

    if [ "x${HWRNG_DEVICE}" != "x" ]; then
	command_args="${command_args} --rng-device=${HWRNG_DEVICE}"
    fi

    for entsrc_opt in ${RDRAND_OPTIONS}; do
	command_args="${command_args} -O rdrand:${entsrc_opt}"
    done

    for entsrc_opt in ${DARN_OPTIONS}; do
	command_args="${command_args} -O darn:${entsrc_opt}"
    done

    for entsrc_opt in ${JITTER_OPTIONS}; do
	command_args="${command_args} -O jitter:${entsrc_opt}"
    done

    for entsrc_opt in ${PKCS11_OPTIONS}; do
	command_args="${command_args} -O pkcs11:${entsrc_opt}"
    done

    if [ "x${RANDOM_DEVICE}" != "x" ]; then
	command_args="${command_args} --random-device=${RANDOM_DEVICE}"
    fi

    if [ "x${STEP}" != "x" ]; then
	command_args="${command_args} --random-step=${STEP}"
    fi

    if [ "x${WATERMARK}" != "x" ]; then
	command_args="${command_args} --fill-watermark=${WATERMARK}"
    fi

    command_args="${command_args} ${EXTRA_ARGS}"
    return 0
}