#!/bin/sh
#----------------------------------------------------------------------------
# /etc/ppp/ip-down - called whenever a (i)ppp connection has been come down
#
# Creation:        29.03.2000  fm
# Last Update:     $Id$
#----------------------------------------------------------------------------

run_ip_down ()
{
    case $interface in
    ppp0)           # it's DSL, map interface
        case $tty in
        "" | eth*| br* | /dev/ttyp0 | /dev/ttyS[0-4] | /dev/ttyUSB[0-4] | /dev/capi/0 | /dev/ttyACM0 | /dev/ttyHS[0-3] | /dev/gsmmodem )
            # empty: PPPoE, eth[0-9] in_kernel, else PPTP
            interface=pppoe
            rm -f /var/run/pppoe.up
        ;;
        esac
    ;;
    esac
    if [ -f /var/run/imond.pid ]
    then
        /usr/local/bin/imond-stat "$real_interface down"
    fi

    rm -f /var/run/$interface.ip

    # default route existing or last default route interface going down?
    if [ -f /etc/default-route-interface ]
    then
        read default_route_interface def_gateway < /etc/default-route-interface
    elif [ -f /etc/last-default-route-interface ]
    then
        read default_route_interface def_gateway < /etc/last-default-route-interface
        rm -f /etc/last-default-route-interface
    else
        default_route_interface=`ip route show | grep '^default' | sed 's/^default.*dev //g'`

        case $default_route_interface in
            ppp0) default_route_interface=pppoe ;;
        esac
    fi

    if [ "$default_route_interface" = "$interface" ]
    then
        logger -t "ip-down[$$]" "default interface '$interface' goes down"
        rm -f /var/run/online
        is_default_route='yes'
    else
        is_default_route='no'
    fi

    # Call all custom ip-downs
    for j in /etc/ppp/ip-down[0-9][0-9][0-9].*
    do
        if [ -f $j ]
        then
            logger -t "ip-down[$$]" "executing $j"
            . $j
        fi
    done
}

script_op=down
. /etc/ppp/ip-up-down