From c527fd1f14c27855a37f2e8ac5346ce8d940ced2 Mon Sep 17 00:00:00 2001
From: Tudor Florea <tudor.florea@enea.com>
Date: Thu, 16 Oct 2014 03:05:19 +0200
Subject: initial commit for Enea Linux 4.0-140929

Migrated from the internal git server on the daisy-enea-point-release branch

Signed-off-by: Tudor Florea <tudor.florea@enea.com>
---
 .../initscripts/initscripts-1.0/urandom            | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100755 meta/recipes-core/initscripts/initscripts-1.0/urandom

(limited to 'meta/recipes-core/initscripts/initscripts-1.0/urandom')

diff --git a/meta/recipes-core/initscripts/initscripts-1.0/urandom b/meta/recipes-core/initscripts/initscripts-1.0/urandom
new file mode 100755
index 0000000000..eb3a7c3359
--- /dev/null
+++ b/meta/recipes-core/initscripts/initscripts-1.0/urandom
@@ -0,0 +1,46 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:          urandom
+# Required-Start:    $local_fs mountvirtfs
+# Required-Stop:     $local_fs
+# Default-Start:     S
+# Default-Stop:      0 6
+# Short-Description: Save and restore the random seed
+# Description:       Save the random seed on shutdown and restore it on boot,
+#                    to ensure that the seed isn't predicable on startup
+#                    (because the boot process is predictable)
+### END INIT INFO
+
+test -c /dev/urandom || exit 0
+. /etc/default/rcS
+
+case "$1" in
+	start|"")
+		test "$VERBOSE" != no && echo "Initializing random number generator..."
+		# Load and then save 512 bytes,
+		# which is the size of the entropy pool
+		if test -f /var/lib/urandom/random-seed
+		then
+			cat /var/lib/urandom/random-seed >/dev/urandom
+		fi
+		rm -f /var/lib/urandom/random-seed
+		umask 077
+		dd if=/dev/urandom of=/var/lib/urandom/random-seed count=1 \
+			>/dev/null 2>&1 || echo "urandom start: failed."
+		umask 022
+		;;
+	stop)
+		# Carry a random seed from shut-down to start-up;
+		# see documentation in linux/drivers/char/random.c
+		test "$VERBOSE" != no && echo "Saving random seed..."
+		umask 077
+		dd if=/dev/urandom of=/var/lib/urandom/random-seed count=1 \
+			>/dev/null 2>&1 || echo "urandom stop: failed."
+		;;
+	*)
+		echo "Usage: urandom {start|stop}" >&2
+		exit 1
+		;;
+esac
+
+exit 0
-- 
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