[Buildroot] [PATCH 2/2] system/skeleton: don't use random-seed from a read-only fs
Baruch Siach
baruch at tkos.co.il
Wed Jul 8 05:24:12 UTC 2015
A random-seed from a read-only filesystem is useless.
Also, drop the check for /etc/random-seed existence; it must exist after a
touch.
Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
system/skeleton/etc/init.d/S20urandom | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/system/skeleton/etc/init.d/S20urandom b/system/skeleton/etc/init.d/S20urandom
index f73cea59edac..36277ba61815 100755
--- a/system/skeleton/etc/init.d/S20urandom
+++ b/system/skeleton/etc/init.d/S20urandom
@@ -11,22 +11,19 @@
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
+ 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
+ cat /etc/random-seed >/dev/urandom
rm -f /etc/random-seed
umask 077
dd if=/dev/urandom of=/etc/random-seed count=1 \
--
2.1.4
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