From 35e423ca41d52c0415bfd2d781482d8cf2a9b067 Mon Sep 17 00:00:00 2001 From: Etienne CHAMPETIER Date: Wed, 20 Jul 2016 12:22:44 +0000 Subject: base-files: use procd init for urandom_seed Previous implementation was blocking the init and breaking halt/reboot/sysupgrade (reported by Daniel Golle) v2: use procd logging, use set -e + trap for error handling Signed-off-by: Etienne CHAMPETIER Tested-by: Daniel Golle --- package/base-files/files/sbin/urandom_seed | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100755 package/base-files/files/sbin/urandom_seed (limited to 'package/base-files/files/sbin') diff --git a/package/base-files/files/sbin/urandom_seed b/package/base-files/files/sbin/urandom_seed new file mode 100755 index 0000000000..16d36574eb --- /dev/null +++ b/package/base-files/files/sbin/urandom_seed @@ -0,0 +1,20 @@ +#!/bin/sh +set -e + +trap '[ "$?" -eq 0 ] || echo "An error occured" >&2' EXIT + +save() { + touch "$1.tmp" + chown root:root "$1.tmp" + chmod 600 "$1.tmp" + getrandom 512 > "$1.tmp" + mv "$1.tmp" "$1" + echo "Seed saved ($1)" +} + +SEED="$(uci -q get system.@system[0].urandom_seed || true)" +[ "${SEED:0:1}" == "/" ] && save "$SEED" + +SEED=/etc/urandom.seed +[ ! -f $SEED ] && save "$SEED" +true -- cgit v1.2.3