#!/bin/sh /etc/rc.common
# Copyright (C) 2007 OpenWrt.org
#
# version 20090401 jhalfmoon

START=47
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/tcpserver
NAME=tcpserver
DESC="Zone transfer name server"

APP=/usr/bin/axfrdns
ROOT=/tmp/tinydns

if [ ! -e /etc/tinydns/data ] ; then
    echo Error: Dependency tinydns not found.
    exit 111
fi

start() {
    echo "Starting $DESC: $NAME"
    config_load djbdns
    mkdir -p $ROOT
    ln -sf /etc/tinydns/data $ROOT/data
    cd $ROOT
    tinydns-data
    chown -R $UID:$GID $ROOT
    tcprules $ROOT/tcp.cdb $ROOT/tcp.cdb.tmp < /etc/axfrdns/tcp
    config_foreach get_userids global
    config_foreach start_daemon axfrdns
}

get_userids() {
    local cfg="$1"
    config_get UID "$cfg" runasuser
    config_get GID "$cfg" runasgroup
    UID=`id -u $UID`
    GID=`id -g $GID`
}

start_daemon() {
    local cfg="$1"
    config_get logging  "$cfg" logging
    config_get iface    "$cfg" interface
    config_get AXFR     "$cfg" allowedzones
# Unset AXFR if it is empty
    [ -z $AXFR ] && export -n AXFR
# Translate listening interfaces to ip addresses
    include /lib/network
    scan_interfaces
    config_get IP "$iface" ipaddr
    export ROOT
    if [ "$DEBUG" == 1 ] ; then
        $DAEMON -vDRHl0 -c40 -b10 -x $ROOT/tcp.cdb -- $IP 53 $APP
    elif [ "$logging" == '1' ] ; then
        $DAEMON -vDRHl0 -c40 -b10 -x $ROOT/tcp.cdb -- $IP 53 $APP 2>&1 | logger -p local1.info -t $NAME &    
    else
        $DAEMON -DRHl0 -c40 -b10 -x $ROOT/tcp.cdb -- $IP 53 $APP > /dev/null 2>&1 &
    fi
}

stop() {
    echo -n "Stopping $DESC: $NAME"
    kill `pidof $NAME|sed "s/$$//g"` > /dev/null 2>&1
    echo " ."
}

restart() {
    echo "Restarting $DESC: $NAME... "
    stop
    sleep 2
    start
}