diff options
Diffstat (limited to 'rc.d/rcS.d/220-random.sh')
| -rwxr-xr-x | rc.d/rcS.d/220-random.sh | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/rc.d/rcS.d/220-random.sh b/rc.d/rcS.d/220-random.sh new file mode 100755 index 00000000..fa1102ad --- /dev/null +++ b/rc.d/rcS.d/220-random.sh @@ -0,0 +1,28 @@ +#!/bin/sh +[[ $(type -t strstr) = "function" ]] || . /etc/init.d/functions +[[ $cmdline ]] || cmdline=$(cat /proc/cmdline) + +READONLY=no +if [ -f /etc/sysconfig/readonly-root ]; then + . /etc/sysconfig/readonly-root +fi +if strstr "$cmdline" readonlyroot ; then + READONLY=yes + [ -z "$RW_MOUNT" ] && RW_MOUNT=/var/lib/stateless/writable + [ -z "$STATE_MOUNT" ] && STATE_MOUNT=/var/lib/stateless/state +fi +if strstr "$cmdline" noreadonlyroot ; then + READONLY=no +fi + +# Initialize pseudo-random number generator +if [ -f "/var/lib/random-seed" ]; then + cat /var/lib/random-seed > /dev/urandom +else + [ "$READONLY" != "yes" ] && touch /var/lib/random-seed +fi +if [ "$READONLY" != "yes" ]; then + chmod 600 /var/lib/random-seed + dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=512 2>/dev/null +fi +: |