#!/bin/sh

# save as /etc/network/if-up.d/tdyndns

# man 5 interfaces:
# IFACE  physical name of the interface being processed
# LOGICAL logical name of the interface being processed
# ADDRFAM address family of the interface
# METHOD method of the interface (e.g., static)
# MODE   start if run from ifup, stop if run from ifdown
# PHASE  as per MODE, but with finer granularity, distinguishing the pre-up, post-up, pre-down and post-down phases.
# VERBOSITY indicates whether --verbose was used; set to 1 if so, 0 if not.
# PATH   the command search path: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

set -e

[ -n "$IFACE" ]
[ -n "$MODE" ]
[ "$MODE" = "start" ] || exit 0
[ -x /usr/local/bin/tdyndns ] || exit 0

case "$IFACE" in
	eth*|ath*|wlan*|ppp*|wwan*)
		[ "$VERBOSITY" = "1" ] && echo "Interface $IFACE started, calling tdyndns."
		/usr/local/bin/tdyndns &
		;;
	*)
		;;
esac

exit 0