diff options
Diffstat (limited to 'etc/rc')
-rw-r--r-- | etc/rc | 34 |
1 files changed, 33 insertions, 1 deletions
@@ -1,4 +1,4 @@ -# $OpenBSD: rc,v 1.317 2008/06/15 04:49:34 sturm Exp $ +# $OpenBSD: rc,v 1.318 2008/07/09 20:23:47 djm Exp $ # System startup script run by init on autoboot # or after single-user. @@ -116,6 +116,34 @@ random_seed() fi } +fill_baddynamic() +{ + local _service="$1" + local _sysctl="net.inet.${_service}.baddynamic" + local _name _port _srv _junk _ban + local _i=0 + grep "/${_service}" /etc/services | { + IFS=" /" + while read _name _port _srv _junk; do + [ "x${_srv}" = "x${_service}" ] || continue; + if [ "x${_ban}" = "x" ]; then + _ban="+${_port}" + else + _ban="${_ban},+${_port}" + fi + # Flush before argv gets too long + if [ $((++_i)) -gt 128 ]; then + sysctl ${_sysctl}=${_ban} >/dev/null + _ban="" + _i=0 + fi + done; + if [ "x${_ban}" != "x" ]; then + sysctl ${_sysctl}=${_ban} >/dev/null + fi + } +} + # End subroutines stty status '^T' @@ -253,6 +281,10 @@ if [ X"${pf}" != X"NO" ]; then pfctl -e fi +# Fill net.inet.(tcp|udp).baddynamic lists from /etc/services +fill_baddynamic udp +fill_baddynamic tcp + sysctl_conf # set hostname, turn on network |