openrc/net/system.sh

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# Copyright 2005-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
_config_vars="$_config_vars dns_servers dns_domain dns_search"
_config_vars="$_config_vars dns_sortlist dns_options"
_config_vars="$_config_vars ntp_servers nis_servers nis_domain"
system_depend() {
after interface
before dhcp
}
_system_dns() {
local servers= domain= search= sortlist= options= x=
eval servers=\$dns_servers_${IFVAR}
[ -z "${servers}" ] && servers=${dns_servers}
eval domain=\$dns_domain_${IFVAR}
[ -z "${domain}" ] && domain=${dns_domain}
eval search=\$dns_search_${IFVAR}
[ -z "${search}" ] && search=${dns_search}
eval sortlist=\$dns_sortlist_${IFVAR}
[ -z "${sortlist}" ] && sortlist=${dns_sortlist}
eval options=\$dns_options_${IFVAR}
[ -z "${options}" ] && options=${dns_options}
[ -z "${servers}" -a -z "${domain}" -a -z "${search}" \
-a -z "${sortlist}" -a -z "${options}" ] && return 0
local buffer="# Generated by net-scripts for interface ${IFACE}\n"
[ -n "${domain}" ] && buffer="${buffer}domain ${domain}\n"
[ -n "${search}" ] && buffer="${buffer}search ${search}\n"
for x in ${servers} ; do
buffer="${buffer}nameserver ${x}\n"
done
[ -n "${sortlist}" ] && buffer="${buffer}sortlist ${sortlist}\n"
[ -n "${options}" ] && buffer="${buffer}options ${options}\n"
# Support resolvconf if we have it.
if [ -x /sbin/resolvconf ] ; then
printf "${buffer}" | resolvconf -a "${IFACE}"
else
printf "${buffer}" > /etc/resolv.conf
chmod 644 /etc/resolv.conf
fi
}
_system_ntp() {
local servers= buffer= x=
eval servers=\$ntp_servers_${IFVAR}
[ -z ${servers} ] && servers=${ntp_servers}
[ -z ${servers} ] && return 0
buffer="# Generated by net-scripts for interface ${IFACE}\n"
buffer="${buffer}restrict default noquery notrust nomodify\n"
buffer="${buffer}restrict 127.0.0.1\n"
for x in ${servers} ; do
buffer="${buffer}restrict ${x} nomodify notrap noquery\n"
buffer="${buffer}server ${x}\n"
done
buffer="${buffer}driftfile /var/lib/ntp/ntp.drift\n"
buffer="${buffer}logfile /var/log/ntp.log\n"
printf "${buffer}" > /etc/ntp.conf
chmod 644 /etc/ntp.conf
}
_system_nis() {
local servers= domain= x= buffer=
eval servers=\$nis_servers_${IFVAR}
[ -z "${servers}" ] && servers=${nis_servers}
eval domain=\$nis_domain_${IFVAR}
[ -z "${domain}" ] && domain=${nis_domain}
[ -z "${servers}" -a -z "${domain}" ] && return 0
buffer="# Generated by net-scripts for interface ${iface}\n"
if [ -n "${domain}" ] ; then
hostname -y "${domain}"
if [ -n "${servers}" ] ; then
for x in ${servers} ; do
buffer="${buffer}domain ${domain} server ${x}\n"
done
else
buffer="${buffer}domain ${domain} broadcast\n"
fi
else
for x in ${servers} ; do
buffer="${buffer}ypserver ${x}\n"
done
fi
printf "${buffer}" > /etc/yp.conf
chmod 644 /etc/yp.conf
}
system_pre_start() {
_system_dns
_system_ntp
_system_nis
return 0
}
# vim: set ts=4 :