packages/utils/rng-tools/files/rngd.init
Nathaniel Wesley Filardo bce6d283c1 rng-tools: uci-fy, default to doing nothing
Enabling the default configuration will pipe /dev/urandom back into
/dev/random ala the current package behavior.  Because this amounts to
disabling the in-kernel entropy estimation, default disabled.

While here, uci-paramaterize the high watermark.
While here, add a pre-command hook for real RNGs that need 'stty raw'
or other such hooks.  (e.g. the TrueRNG devices)

As offered in github openwrt/packages#3422, take over maintainership.

See github openwrt/packages#3142.

Signed-off-by: Nathaniel Wesley Filardo <nwfilardo@gmail.com>
2016-10-31 13:17:57 -04:00

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#!/bin/sh /etc/rc.common
# Copyright (C) 2011-2014 OpenWrt.org
START=98
RNGD_FILLWATER=$(uci -q get system.@rngd[0].fill_watermark)
RNGD_DEVICE=$(uci -q get system.@rngd[0].device)
RNGD_ENABLED=$(uci -q get system.@rngd[0].enabled)
RNGD_PRECMD=$(uci -q get system.@rngd[0].precmd)
: ${RNGD_FILLWATER:=4000}
echo PRECMD=\'$RNGD_PRECMD\'
start() {
[ 1 -eq "$RNGD_ENABLED" ] && {
[ -z "${RNGD_PRECMD}" ] || ${RNGD_PRECMD} ${RNGD_DEVICE}
service_start /sbin/rngd -r ${RNGD_DEVICE} -W ${RNGD_FILLWATER}
}
}
stop() {
service_stop /sbin/rngd
}