summaryrefslogtreecommitdiff
path: root/recipes/initscripts/initscripts-1.0/urandom
diff options
context:
space:
mode:
authorDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
committerDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
commit709c4d66e0b107ca606941b988bad717c0b45d9b (patch)
tree37ee08b1eb308f3b2b6426d5793545c38396b838 /recipes/initscripts/initscripts-1.0/urandom
parentfa6cd5a3b993f16c27de4ff82b42684516d433ba (diff)
rename packages/ to recipes/ per earlier agreement
See links below for more details: http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326 http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816 Signed-off-by: Denys Dmytriyenko <denis@denix.org> Acked-by: Mike Westerhof <mwester@dls.net> Acked-by: Philip Balister <philip@balister.org> Acked-by: Khem Raj <raj.khem@gmail.com> Acked-by: Marcin Juszkiewicz <hrw@openembedded.org> Acked-by: Koen Kooi <koen@openembedded.org> Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'recipes/initscripts/initscripts-1.0/urandom')
-rwxr-xr-xrecipes/initscripts/initscripts-1.0/urandom41
1 files changed, 41 insertions, 0 deletions
diff --git a/recipes/initscripts/initscripts-1.0/urandom b/recipes/initscripts/initscripts-1.0/urandom
new file mode 100755
index 0000000000..45c41d758b
--- /dev/null
+++ b/recipes/initscripts/initscripts-1.0/urandom
@@ -0,0 +1,41 @@
+#! /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
+#
+
+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