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List:       openembedded-core
Subject:    [OE-core] [PATCH] initscripts/urandom: change random-seed directory
From:       sgw () linux ! intel ! com (Saul Wold)
Date:       2012-11-30 19:24:12
Message-ID: 50B907DC.7020303 () linux ! intel ! com
[Download RAW message or body]

On 11/30/2012 02:19 AM, Ming Liu wrote:
> /etc/init.d/urandom fails to start/stop because it tries to save
> random-seed into /var/lib/urandom folder which does not exist in the
> file system.
> 
Why not create it in the recipe's do_install?  Or possibly add it to 
volatiles file.

Also talk with Qi Chen about the readonly FS stuff to make sure this 
will work.

Sau!

> Fixed by using /var/lib/misc instead of /var/lib/urandom.
> 
> Signed-off-by: Ming Liu <ming.liu at windriver.com>
> ---
> meta/recipes-core/initscripts/initscripts-1.0/urandom | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/meta/recipes-core/initscripts/initscripts-1.0/urandom \
> b/meta/recipes-core/initscripts/initscripts-1.0/urandom index eb3a7c3..1cf7c5c \
>                 100755
> --- a/meta/recipes-core/initscripts/initscripts-1.0/urandom
> +++ b/meta/recipes-core/initscripts/initscripts-1.0/urandom
> @@ -14,18 +14,19 @@
> test -c /dev/urandom || exit 0
> . /etc/default/rcS
> 
> +SAVEDFILE=/var/lib/misc/random-seed
> 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
> +		if test -f $SAVEDFILE
> 		then
> -			cat /var/lib/urandom/random-seed >/dev/urandom
> +			cat $SAVEDFILE >/dev/urandom
> 		fi
> -		rm -f /var/lib/urandom/random-seed
> +		rm -f $SAVEDFILE
> 		umask 077
> -		dd if=/dev/urandom of=/var/lib/urandom/random-seed count=1 \
> +		dd if=/dev/urandom of=$SAVEDFILE count=1 \
> 			>/dev/null 2>&1 || echo "urandom start: failed."
> 		umask 022
> 		;;
> @@ -34,7 +35,7 @@ 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=$SAVEDFILE count=1 \
> 			>/dev/null 2>&1 || echo "urandom stop: failed."
> 		;;
> 	*)
> 


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