#!/bin/sh /etc/rc.common # Copyright (C) 2006-2011 OpenWrt.org START=65 STOP=65 USE_PROCD=1 PROG=/sbin/ntpd HOTPLUG_HELPER=/usr/sbin/ntpd.hotplug-helper config_file=/var/run/ntpd.conf trunc() { echo -n "" > $config_file } emit() { echo -e "$@" >> $config_file } validate_ntp_section() { uci_validate_section system timeserver "${1}" \ 'server:list(host)' 'enabled:bool:1' 'enable_server:bool:0' \ 'interface:list(string)' } start_service() { local server enabled enable_server interface intf validate_ntp_section ntp || { echo "validation failed" return 1 } [ "$enabled" = 0 ] && return [ -z "$server" -a "$enable_server" = 0 ] && return # not sure that the interfaces enumerated should be validated, # since some of them might be dynamic interfaces (like IPsec # tunnels) which aren't known by ubus. trunc emit "driftfile /var/lib/ntp/ntp.drift\n" if [ "$enable_server" != 0 ]; then emit "restrict default limited kod nomodify notrap nopeer" emit "restrict -6 default limited kod nomodify notrap nopeer" else emit "restrict -4 default noserve" emit "restrict -6 default noserve" fi emit "restrict source noquery" emit "\n# No limits for local monitoring" emit "restrict 127.0.0.1" emit "restrict -6 ::1\n" if [ -n "$interface" ]; then local loopback=$(ubus call network.interface dump | jsonfilter -e "@.interface[@.interface='loopback']['device']") local saw_lo= for intf in $interface; do emit "interface listen $intf" [ "$intf" = "$loopback" ] && saw_lo=1 done [ -z "$saw_lo" ] && emit "interface listen $loopback" emit "" fi for i in $server do emit "server $i iburst" done mkdir -p /var/lib/ntp chown -R ntp:ntp /var/lib/ntp procd_open_instance procd_set_param command $PROG -g -u ntp:ntp -p /var/run/ntpd.pid -n \ -c $config_file procd_close_instance procd_open_instance procd_set_param command $HOTPLUG_HELPER procd_close_instance }