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|
#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: netoptions
# REQUIRE: FILESYSTEMS
# BEFORE: netif
# KEYWORD: nojail
. /etc/rc.subr
. /etc/network.subr
name="netoptions"
start_cmd="netoptions_start"
stop_cmd=:
_netoptions_initdone=
netoptions_init()
{
if [ -z "${_netoptions_initdone}" ]; then
echo -n 'Additional TCP/IP options:'
_netoptions_initdone=yes
fi
}
netoptions_start()
{
local _af
for _af in inet inet6; do
afexists ${_af} && eval netoptions_${_af}
done
[ -n "${_netoptions_initdone}" ] && echo '.'
}
netoptions_inet()
{
case ${log_in_vain} in
[12])
netoptions_init
echo -n " log_in_vain=${log_in_vain}"
${SYSCTL} net.inet.tcp.log_in_vain=${log_in_vain} >/dev/null
${SYSCTL} net.inet.udp.log_in_vain=${log_in_vain} >/dev/null
;;
*)
${SYSCTL} net.inet.tcp.log_in_vain=0 >/dev/null
${SYSCTL} net.inet.udp.log_in_vain=0 >/dev/null
;;
esac
if checkyesno tcp_extensions; then
${SYSCTL} net.inet.tcp.rfc1323=1 >/dev/null
else
netoptions_init
echo -n " rfc1323 extensions=${tcp_extensions}"
${SYSCTL} net.inet.tcp.rfc1323=0 >/dev/null
fi
if checkyesno tcp_keepalive; then
${SYSCTL} net.inet.tcp.always_keepalive=1 >/dev/null
else
netoptions_init
echo -n " TCP keepalive=${tcp_keepalive}"
${SYSCTL} net.inet.tcp.always_keepalive=0 >/dev/null
fi
if checkyesno tcp_drop_synfin; then
netoptions_init
echo -n " drop SYN+FIN packets=${tcp_drop_synfin}"
${SYSCTL} net.inet.tcp.drop_synfin=1 >/dev/null
else
${SYSCTL} net.inet.tcp.drop_synfin=0 >/dev/null
fi
case ${ip_portrange_first} in
[0-9]*)
netoptions_init
echo -n " ip_portrange_first=$ip_portrange_first"
${SYSCTL} net.inet.ip.portrange.first=$ip_portrange_first >/dev/null
;;
esac
case ${ip_portrange_last} in
[0-9]*)
netoptions_init
echo -n " ip_portrange_last=$ip_portrange_last"
${SYSCTL} net.inet.ip.portrange.last=$ip_portrange_last >/dev/null
;;
esac
}
netoptions_inet6()
{
if checkyesno ipv6_ipv4mapping; then
netoptions_init
echo -n " ipv4-mapped-ipv6=${ipv6_ipv4mapping}"
${SYSCTL} net.inet6.ip6.v6only=0 >/dev/null
else
${SYSCTL} net.inet6.ip6.v6only=1 >/dev/null
fi
if checkyesno ipv6_privacy; then
netoptions_init
echo -n " IPv6 Privacy Addresses"
${SYSCTL} net.inet6.ip6.use_tempaddr=1 >/dev/null
${SYSCTL} net.inet6.ip6.prefer_tempaddr=1 >/dev/null
fi
case $ipv6_cpe_wanif in
""|[Nn][Oo]|[Nn][Oo][Nn][Ee]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
${SYSCTL} net.inet6.ip6.no_radr=0 >/dev/null
${SYSCTL} net.inet6.ip6.rfc6204w3=0 >/dev/null
;;
*)
netoptions_init
echo -n " IPv6 CPE WANIF=${ipv6_cpe_wanif}"
${SYSCTL} net.inet6.ip6.no_radr=1 >/dev/null
${SYSCTL} net.inet6.ip6.rfc6204w3=1 >/dev/null
;;
esac
}
load_rc_config $name
run_rc_command $1
|
