diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2013-12-27 22:33:28 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2013-12-27 22:33:28 +0000 |
commit | ee063e7907091678f09b9bc77c05476a58699890 (patch) | |
tree | 88361e03de35c9300130de6fbfd3334405259493 | |
parent | 86a9a31e44c6e2084a430c43717c1955c4c7b2a8 (diff) |
nest random_seed() contents into a single redirection
idea from rpe
-rw-r--r-- | etc/rc | 19 |
1 files changed, 8 insertions, 11 deletions
@@ -1,4 +1,4 @@ -# $OpenBSD: rc,v 1.413 2013/12/27 22:15:40 deraadt Exp $ +# $OpenBSD: rc,v 1.414 2013/12/27 22:33:27 deraadt Exp $ # System startup script run by init on autoboot # or after single-user. @@ -101,16 +101,13 @@ wsconsctl_conf() random_seed() { - if [ -f /var/db/host.random ]; then - dd if=/var/db/host.random of=/dev/random bs=65536 count=1 \ - > /dev/null 2>&1 - chmod 600 /var/db/host.random >/dev/null 2>&1 - - # reset seed file, so that if a shutdown-less reboot occurs, - # the next seed is not a repeat - dd if=/dev/random of=/var/db/host.random bs=65536 count=1 \ - > /dev/null 2>&1 - fi + { + # push the old seed into the kernel + dd if=/var/db/host.random of=/dev/random bs=65536 count=1 + chmod 600 /var/db/host.random + # ... and create a future seed + dd if=/dev/random of=/var/db/host.random bs=65536 count=1 + } > /dev/null 2>&1 } fill_baddynamic() |