diff options
Diffstat (limited to 'etc/rc.d/random')
| -rwxr-xr-x | etc/rc.d/random | 53 |
1 files changed, 35 insertions, 18 deletions
diff --git a/etc/rc.d/random b/etc/rc.d/random index 8499522..2420a39 100755 --- a/etc/rc.d/random +++ b/etc/rc.d/random @@ -4,7 +4,7 @@ # # PROVIDE: random -# REQUIRE: initrandom FILESYSTEMS +# REQUIRE: FILESYSTEMS # BEFORE: netif # KEYWORD: nojail shutdown @@ -17,41 +17,58 @@ stop_cmd="random_stop" extra_commands="saveseed" saveseed_cmd="${name}_stop" +save_dev_random() +{ + for f ; do + if :>>"$f" ; then + debug "saving entropy to $f" + dd if=/dev/random of="$f" bs=4096 count=1 2>/dev/null + fi + done +} + feed_dev_random() { - if [ -f "${1}" -a -r "${1}" -a -s "${1}" ]; then - cat "${1}" | dd of=/dev/random bs=8k 2>/dev/null - fi + for f ; do + if [ -f "$f" -a -r "$f" -a -s "$f" ] ; then + if dd if="$f" of=/dev/random bs=4096 2>/dev/null ; then + debug "entropy read from $f" + rm -f "$f" + fi + fi + done } random_start() { + echo -n 'Feeding entropy:' + + if [ ! -w /dev/random ] ; then + warn "/dev/random is not writeable" + return 1 + fi + # Reseed /dev/random with previously stored entropy. - case ${entropy_dir} in + case ${entropy_dir:=/var/db/entropy} in [Nn][Oo]) ;; *) - entropy_dir=${entropy_dir:-/var/db/entropy} - if [ -d "${entropy_dir}" ]; then - if [ -w /dev/random ]; then - for seedfile in ${entropy_dir}/*; do - feed_dev_random "${seedfile}" - done - fi + if [ -d "${entropy_dir}" ] ; then + feed_dev_random "${entropy_dir}"/* fi ;; esac - case ${entropy_file} in + case ${entropy_file:=/entropy} in [Nn][Oo] | '') ;; *) - if [ -w /dev/random ]; then - feed_dev_random "${entropy_file}" - feed_dev_random /var/db/entropy-file - fi + feed_dev_random "${entropy_file}" /var/db/entropy-file + save_dev_random "${entropy_file}" ;; esac + + echo '.' } random_stop() @@ -59,7 +76,7 @@ random_stop() # Write some entropy so when the machine reboots /dev/random # can be reseeded # - case ${entropy_file} in + case ${entropy_file:=/entropy} in [Nn][Oo] | '') ;; *) |
