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author | Eric Andersen <andersen@codepoet.org> | 2002-04-26 22:01:43 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2002-04-26 22:01:43 +0000 |
commit | 8262508fc4456b5230216473ea14c897268ba791 (patch) | |
tree | d172eebb211e84b023fe70fc14f201745635a7f0 /sources/target_skeleton/etc/init.d/S20urandom | |
parent | 085ba9f45190345249c56562bbccf05bc63e1476 (diff) | |
download | buildroot-novena-8262508fc4456b5230216473ea14c897268ba791.tar.gz buildroot-novena-8262508fc4456b5230216473ea14c897268ba791.zip |
With this update, everything now works as expected.
-Erik
Diffstat (limited to 'sources/target_skeleton/etc/init.d/S20urandom')
-rwxr-xr-x | sources/target_skeleton/etc/init.d/S20urandom | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sources/target_skeleton/etc/init.d/S20urandom b/sources/target_skeleton/etc/init.d/S20urandom new file mode 100755 index 000000000..433fafee4 --- /dev/null +++ b/sources/target_skeleton/etc/init.d/S20urandom @@ -0,0 +1,44 @@ +#! /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 + 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 + [ "$VERBOSE" != no ] && echo "done." + ;; + stop) + # Carry a random seed from shut-down to start-up; + # see documentation in linux/drivers/char/random.c + [ "$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 |