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#!/bin/bash
# Copyright (c) 2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# void system_depend(void)
#
# Sets up the dependancies for the module
system_depend() {
after interface
before dhcp
variables dns_servers dns_domain dns_options dns_search dns_sortlist \
ntp_servers nis_domain nis_servers
}
system_dns_extra() {
local iface="$1" ifvar="$(bash_variable "$1")" out="$2" x sortlist
local -a options
x="dns_options_${ifvar}[@]"
options=( "${!x}" )
[[ -z ${options} ]] && options=( "${dns_options[@]}" )
for x in "${options[@]}" ; do
echo "options ${x}" >> "${out}"
done
sortlist="dns_sortlist_${ifvar}"
[[ -z ${!sortlist} ]] && sortlist="dns_sortlist"
[[ -n ${!sortlist} ]] && echo "sortlist ${!sortlist}" >> "${out}"
}
system_dns() {
local iface="$1" ifvar="$(bash_variable "$1")" x domain search
local conffile="${statedir}/${iface}/resolv.conf" tmpfile="${conffile}.$$"
local -a servers
servers="dns_servers_${ifvar}[@]"
[[ -z ${!servers} ]] && servers="dns_servers[@]"
servers="${!servers}"
domain="dns_domain_${ifvar}"
[[ -z ${!domain} ]] && domain="dns_domain"
domain="${!domain}"
search="dns_search_${ifvar}"
[[ -z ${!search} ]] && search="dns_search"
search="${!search}"
[[ -z ${servers} && -z ${domain} && -z ${search} ]] && return 0
echo "# Generated by net-scripts for interface ${iface}" > "${tmpfile}"
chmod 644 "${tmpfile}"
if [[ -n ${domain} ]] ; then
# Strip leading and trailing spaces
domain="${domain# *}"
domain="${domain%* }"
if [[ ${domain} == *" "* ]] ; then
[[ -z ${search} ]] && search="${domain}"
domain="${domain%% *}"
fi
echo "domain ${domain}" >> "${tmpfile}"
fi
for x in ${servers} ; do
echo "nameserver ${x}" >> "${tmpfile}"
done
[[ -n ${search} ]] && echo "search ${search}" >> "${tmpfile}"
system_dns_extra "${iface}" "${tmpfile}"
mv "${tmpfile}" "${conffile}"
}
system_ntp() {
local iface="$1" ifvar="$(bash_variable "$1")" x
local conffile="${statedir}/${iface}/ntp.conf" tmpfile="${conffile}.$$"
local -a servers
servers="ntp_servers_${ifvar}[@]"
[[ -z ${!servers} ]] && servers="ntp_servers[@]"
[[ -z ${!servers} ]] && return 0
echo "# Generated by net-scripts for interface ${iface}" > "${tmpfile}"
chmod 644 "${tmpfile}"
echo "restrict default noquery notrust nomodify" >> "${tmpfile}"
echo "restrict 127.0.0.1" >> "${tmpfile}"
for x in ${!servers} ; do
echo "restrict ${x} nomodify notrap noquery" >> "${tmpfile}"
echo "server ${x}" >> "${tmpfile}"
done
echo "driftfile /var/lib/ntp/ntp.drift" >> "${tmpfile}"
echo "logfile /var/log/ntp.log" >> "${tmpfile}"
mv "${tmpfile}" "${conffile}"
}
system_nis() {
local iface="$1" ifvar="$(bash_variable "$1")" domain x
local conffile="${statedir}/${iface}/yp.conf" tmpfile="${conffile}.$$"
local -a servers
servers="nis_servers_${ifvar}[@]"
[[ -z ${!servers} ]] && servers="nis_servers[@]"
domain="nis_domain_${ifvar}"
[[ -z ${!domain} ]] && domain="nis_domain"
[[ -z ${!servers} && -z ${!domain} ]] && return 0
echo "# Generated by net-scripts for interface ${iface}" > "${tmpfile}"
chmod 644 "${tmpfile}"
if [[ -n ${!domain} ]] ; then
hostname -y "${!domain}"
if [[ -n ${!servers} ]] ; then
for x in ${!servers} ; do
echo "domain ${!domain} server ${x}" >> "${tmpfile}"
done
else
echo "domain ${!domain} broadcast" >> "${tmpfile}"
fi
else
for x in ${!servers} ; do
echo "ypserver ${x}" >> "${tmpfile}"
done
fi
mv "${tmpfile}" "${conffile}"
}
# bool system_post_start(char *iface)
#
# Configures the host system for dns, ntp and nis information
# Always returns 0
system_pre_start() {
local iface="$1"
system_dns "${iface}"
system_ntp "${iface}"
system_nis "${iface}"
return 0
}
# vim:ts=4
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