#!/bin/sh

ethmode=$(echo 'ar7cfg.ethmode' | ar7cfgctl -s)
case $ethmode in
    ethmode_bridge)
	    devname=lan
	    break
	    ;;
    ethmode_router)
	    devname=eth0
	    break
	    ;;
    *)
	    devname=eth0
esac

if [ ! -e "/tmp/flash/openntpd/ntpd.conf" ]; then
cat > /tmp/flash/openntpd/ntpd.conf << EOF
# Addresses to listen on (ntpd does not listen by default)
# Use '0.0.0.0' to listen on every local interface
listen on $(ifconfig $devname | head -n 2 | tail -n 1 | cut -d: -f2 | cut -d" " -f 1)

# use a random selection of 8 public stratum 2 servers
# see http://twiki.ntp.org/bin/view/Servers/NTPPoolServers
servers pool.ntp.org

# sync to a single server
#server ntp.example.org

# sync with all NTP servers on time, violates OpenNTPD philosophy
# format: [H]H:MM[:SS] [...]
#sync at 0:01 2:01 3:01 4:01

# add randomized offset (max. 90s) to each "sync at"
#sync at randomize

# sync using custom (randomized) interval T, violates OpenNTPD philosophy
# format: T[s|m|h] (default suffix is s)
#sync every 5m

# retry on error (NTP server communication) using next time delay T
# sequence is maintained per NTP server
# format: T[s|m|h] [...] [r|rN]
#         T  -> time delay (default suffix is s) or special value *
#         *  -> at next regular sync
#         r  -> repeat sequence from beginning
#         rN -> repeat last N entries from sequence
# default repeat is r1, on success sequence is repeated from the beginning
#error retry 30 30 30 1m 1m 2m 5m 1h 30 * 30 r2
EOF
fi