#!/bin/sh
#----------------------------------------------------------------------------
# /etc/ppp/ip-down800.dhcp                                       __FLI4LVER__
#
# called whenever an IPv4 PPP connection over default circuit has been shut
# down and dnsmasq is installed
#
# Creation:     2007-11-29  lanspezi
# Last Update:  $Id$
#----------------------------------------------------------------------------
# restore etc/resolv.dnsmasq from etc/resolv.dnsmasq.bak
#----------------------------------------------------------------------------

. /etc/rc.d/resolvconf-common
. /etc/rc.d/helper-dns_dnsmasq.sh

resolv_file=/etc/resolv.dnsmasq
delegate_file=/etc/dnsmasq.d/dns_delegate.conf
dnsserver_n_file=/etc/dnsmasq.d/dns_resolver.conf
bogus_priv_file=$dns_private_subnets

if [ -f /etc/dnsmasq.conf ]
then
    if [ "$circ_usepeerdns" = "yes" ]
    then
        restart=no

        echo "removing peer DNS servers"
        if ! resolvconf_removepeerdns $circ_id &&
            [ -f $dnsserver_n_file~ ]
        then
            mv $dnsserver_n_file~ $dnsserver_n_file
            echo "$dnsserver_n_file restored."
            restart=yes
        fi

        sync_lock_resource dns_delegate_file ip-down800.dns
        if [ -f $delegate_file~ ]
        then
            mv $delegate_file~ $delegate_file
            echo "$delegate_file restored."
            restart=yes
        fi
        if [ -f $bogus_priv_file~ ]
        then
            mv $bogus_priv_file~ $bogus_priv_file
            dns_update_private_subnets
            echo "$bogus_priv_file restored."
            restart=yes
        fi
        sync_unlock_resource dns_delegate_file ip-down800.dns

        sync_lock_resource dns_restart ip-down800.dns
        if [ $restart = yes ]
        then
            killall dnsmasq
            sleep 1
            dnsmasq
        else
            killall -HUP dnsmasq
        fi
        sync_unlock_resource dns_restart ip-down800.dns
    fi
fi