#!/bin/sh

. /etc/init.d/colors.sh

[ -z "$1" ] && printf "$URED** ERROR: should be called from udhcpc\n$RESET" && exit 1
RESOLF_CONF="/etc/resolv.conf"
[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
[ -n "$subnet" ] && NETMASK="netmask $subnet"
# return 0 if root is mounted on a network filesystem
root_if_nfs() {
    grep -qe '^/dev/root.*\(nfs\|smbfs\|ncp\|coda\) .*' /proc/mounts
}
have_bin_ip=0
if [ -x /bin/ip ]; then
    have_bin_ip=1
fi
case "$1" in
    deconfig)
        if ! rootfs_is_nfs; then
            if [ $have_bin_ip -eq 1 ]; then
                ip a flush dev $interface
                ip l set dev $interface up
            else
                /sbin/ifconfig $interface 0.0.0.0
            fi
        fi
        ;;
    renew|bound)
        if [ $have_bin_ip -eq 1 ]; then
            ip a add dev $interface local $ip/$mask $BROADCAST
        else
            /sbin/ifconfig $interface $ip $BROADCAST $NETMASK
        fi

        if [ -n "$router" ]; then
            if ! root_if_nfs; then
                if [ $have_bin_ip -eq 1 ]; then
                    while ip r del default 2>/dev/null; do
                        :
                    done
                else
                    while route del default gw 0.0.0.0 dev $interface 2>/dev/null; do
                        :
                    done
                fi
            fi
            metric=0
            for i in $router; do
                if [ $have_bin_ip -eq 1 ]; then
                    ip r add default via $i metric $((metric++))
                else
                    route add default gw $i dev $interface metric $((metric++)) 2>/dev/null
                fi
            done
        fi
        echo -n > $RESOLF_CONF
        [ -n "$domain" ] && echo search $domain >> $RESOLF_CONF
        for i in $dns; do
            echo adding dns $i
            echo nameserver $i >> $RESOLF_CONF
        done
        ;;
esac
exit 0