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initscripts: parametrize random seed file location 

Currently, the random seed file location is hardcoded to
/var/lib/urandom/random-seed.  Refactor it to a parameter
(RANDOM_SEED_FILE) so the file location is defined in only one place.

(From OE-Core rev: 558ba23cfdd60bf64b9214460a2772be70079796)

Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Tollerton 2014-07-17 16:56:54 -05:00 committed by Richard Purdie
parent 00017b4dd8
commit 769b0f3018
1 changed files with 8 additions and 5 deletions
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13
meta/recipes-core/initscripts/initscripts-1.0/urandom
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@ -12,6 +12,9 @@
### END INIT INFO
test -c /dev/urandom || exit 0
RANDOM_SEED_FILE=/var/lib/urandom/random-seed
. /etc/default/rcS
case "$1" in
@ -19,13 +22,13 @@ case "$1" in
test "$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
if test -f "$RANDOM_SEED_FILE"
then
cat /var/lib/urandom/random-seed >/dev/urandom
cat "$RANDOM_SEED_FILE" >/dev/urandom
fi
rm -f /var/lib/urandom/random-seed
rm -f "$RANDOM_SEED_FILE"
umask 077
dd if=/dev/urandom of=/var/lib/urandom/random-seed count=1 \
dd if=/dev/urandom of=$RANDOM_SEED_FILE count=1 \
>/dev/null 2>&1 || echo "urandom start: failed."
umask 022
;;
@ -34,7 +37,7 @@ case "$1" in
# see documentation in linux/drivers/char/random.c
test "$VERBOSE" != no && echo "Saving random seed..."
umask 077
dd if=/dev/urandom of=/var/lib/urandom/random-seed count=1 \
dd if=/dev/urandom of=$RANDOM_SEED_FILE count=1 \
>/dev/null 2>&1 || echo "urandom stop: failed."
;;
*)