The cirros image was rebuilt against the 3.13.0-83 kernel, drivers e1000e, igbvf...

[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / system / skeleton / etc / init.d / S20urandom

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/system/skeleton/etc/init.d/S20urandom b/cirros-testvm/src-cirros/buildroot-2015.05/system/skeleton/etc/init.d/S20urandom
new file mode 100755 (executable)
index 0000000..f73cea5
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/system/skeleton/etc/init.d/S20urandom
@@ -0,0 +1,54 @@
+#! /bin/sh
+#
+# urandom      This script saves the random seed between reboots.
+#              It is called from the boot, halt and reboot scripts.
+#
+# Version:     @(#)urandom  1.33  22-Jun-1998  miquels@cistron.nl
+#
+
+[ -c /dev/urandom ] || exit 0
+#. /etc/default/rcS
+
+case "$1" in
+       start|"")
+               if [ "$VERBOSE" != no ]
+               then
+                       echo -n "Initializing random number generator... "
+               fi
+               # Load and then save 512 bytes,
+               # which is the size of the entropy pool
+               if [ -f /etc/random-seed ]
+               then
+                       cat /etc/random-seed >/dev/urandom
+               fi
+               # check for read only file system
+               if ! touch /etc/random-seed 2>/dev/null
+               then
+                       echo "read-only file system detected...done"
+                       exit
+               fi
+               rm -f /etc/random-seed
+               umask 077
+               dd if=/dev/urandom of=/etc/random-seed count=1 \
+                       >/dev/null 2>&1 || echo "urandom start: failed."
+               umask 022
+               [ "$VERBOSE" != no ] && echo "done."
+               ;;
+       stop)
+               if ! touch /etc/random-seed 2>/dev/null
+                then
+                        exit
+                fi
+               # Carry a random seed from shut-down to start-up;
+               # see documentation in linux/drivers/char/random.c
+               [ "$VERBOSE" != no ] && echo -n "Saving random seed... "
+               umask 077
+               dd if=/dev/urandom of=/etc/random-seed count=1 \
+                       >/dev/null 2>&1 || echo "urandom stop: failed."
+               [ "$VERBOSE" != no ] && echo "done."
+               ;;
+       *)
+               echo "Usage: urandom {start|stop}" >&2
+               exit 1
+               ;;
+esac