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#!/bin/bash
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# Copyright (c) 2005 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# void system_depend(void)
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#
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# Sets up the dependancies for the module
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system_depend() {
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after interface essidnet
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before dhcp
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}
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# bool system_check_installed(void)
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#
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# Always returns 0 as we are writing to files
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system_check_installed() {
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return 0
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}
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# char* system_provides(void)
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#
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# Returns a string to change module definition for starting up
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system_provides() {
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echo "system"
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}
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# bool system_check_depends(void)
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#
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# Checks to see if we have the needed functions
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system_check_depends() {
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return 0
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}
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# char* ifconfig_get_vars(char *interface)
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#
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# Returns a string spaced with possible user set configuration variables
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system_get_vars() {
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echo "dns_servers_$1 dns_domain_$1 dns_search_path_$1 ntp_servers_$1 nis_domain_$1 nis_servers_$1"
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}
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system_dns() {
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local iface="$1" ifvar=$( bash_variable "$1" ) x
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local conffile="${statedir}/${iface}/resolv.conf" tmpfile="${conffile}.$$"
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# Nameserver setup for the essid if required
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local -a servers
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eval servers=( \"\$\{dns_servers_${ifvar}\[@\]\}\" )
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[[ -z ${servers} ]] && return 0
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echo "# Generated by net-scripts for interface ${iface}" > "${tmpfile}"
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chmod 644 "${tmpfile}"
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eval x=\"\$\{dns_domain_${ifvar}\}\"
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[[ -n ${x} ]] && echo "domain ${x}" >> "${tmpfile}"
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for x in ${servers[@]}; do
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echo "nameserver ${x}" >> "${tmpfile}"
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done
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eval x=\"\$\{dns_search_path_${ifvar}\}\"
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[[ -n ${x} ]] && echo "search ${x}" >> "${tmpfile}"
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mv "${tmpfile}" "${conffile}"
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}
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system_ntp() {
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local iface="$1" ifvar=$( bash_variable "$1" ) x
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local conffile="${statedir}/${iface}/ntp.conf" tmpfile="${conffile}.$$"
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local -a servers
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eval servers=( \"\$\{ntp_servers_${ifvar}\[\@\]\}\" )
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[[ -z ${servers} ]] && return 0
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echo "# Generated by net-scripts for interface ${iface}" > "${tmpfile}"
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chmod 644 "${tmpfile}"
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echo "restrict default noquery notrust nomodify" >> "${tmpfile}"
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echo "restrict 127.0.0.1" >> "${tmpfile}"
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for x in ${servers[@]}; do
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echo "restrict ${x} nomodify notrap noquery" >> "${tmpfile}"
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echo "server ${x}" >> "${tmpfile}"
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done
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echo "driftfile /var/lib/ntp/ntp.drift" >> "${tmpfile}"
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echo "logfile /var/log/ntp.log" >> "${tmpfile}"
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mv "${tmpfile}" "${conffile}"
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}
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system_nis() {
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local iface="$1" ifvar=$( bash_variable "$1" ) domain x
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local conffile="${statedir}/${iface}/yp.conf" tmpfile="${conffile}.$$"
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local -a servers
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eval servers=( \"\$\{nis_servers_${ifvar}\[\@\]\}\" )
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eval domain=\"\$\{nis_domain_${ifvar}\}\"
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[[ -z ${servers} && -z ${domain} ]] && return 0
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echo "# Generated by net-scripts for interface ${iface}" > "${tmpfile}"
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chmod 644 "${tmpfile}"
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if [[ -n ${domain} ]]; then
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/bin/hostname -y "${domain}"
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if [[ -n ${servers} ]]; then
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for x in ${servers}; do
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echo "domain ${domain} server ${x}" >> "${tmpfile}"
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done
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else
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echo "domain ${domain} broadcast" >> "${tmpfile}"
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fi
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else
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for x in ${servers}; do
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echo "ypserver ${x}" >> "${tmpfile}"
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done
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fi
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[[ -f ${conffile} && ! -f "${conffile}.sv" ]] \
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&& mv "${conffile}" "${conffile}.sv"
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mv "${tmpfile}" "${conffile}"
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}
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# bool system_post_start(char *iface)
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#
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# Configures the host system for dns, ntp and nis information
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# Always returns 0
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system_post_start() {
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local iface="$1"
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system_dns "${iface}"
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system_ntp "${iface}"
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system_nis "${iface}"
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return 0
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}
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