#!/bin/sh
#----------------------------------------------------------------------------
# /etc/rc.d/rc470.pppoe_server - configuration of PPPoE-Server
#
# Creation:     25.02.2006 tobiasw
# Last Update:  $Id$
#----------------------------------------------------------------------------

case $OPT_PPPOE_SERVER in
yes)
    begin_script PPPoE-Server "starting pppoe-server ..."

    if [ 0$PPPOE_SERVER_USER_N -eq 0 ]
    then
        pppoe_auth=noauth
    else
        pppoe_auth=auth
        for i in $(seq 1 $PPPOE_SERVER_USER_N)
        do
            eval user="\$PPPOE_SERVER_USER_${i}_NAME"
            eval pass="\$PPPOE_SERVER_USER_${i}_PASS"
            echo "\"$user\"  *  \"$pass\"  *"
        done >> /etc/ppp/pap-secrets
    fi

    session_offset=0

    for i in $(seq 1 0$PPPOE_SERVER_N)
    do
        eval pppoe_server_dev=\$PPPOE_SERVER_${i}_ETH
        ip link set dev $pppoe_server_dev mtu 1500 up # set mtu to 1500

        eval pppoe_debug=\$PPPOE_SERVER_${i}_DEBUG
        case "$pppoe_debug" in
        yes)
            pppoe_debug='debug'
            ;;
        *)
            pppoe_debug=
            ;;
        esac

        eval pppoe_type=\$PPPOE_SERVER_${i}_TYPE
        case "$pppoe_type" in
        daemon)
            do_modprobe ppp_async
            pppoe_type=
            ;;
        kernel)
            do_modprobe pppoe
            pppoe_type='-k'
            ;;
        esac

        eval pppoe_mtu=\$PPPOE_SERVER_${i}_MTU
        case "$pppoe_mtu" in
        '') ;;
        *)  pppoe_mtu="mtu $pppoe_mtu" ;;
        esac
        eval pppoe_mru=\$PPPOE_SERVER_${i}_MRU
        case "$pppoe_mru" in
        '') ;;
        *)  pppoe_mru="mru $pppoe_mru" ;;
        esac

        eval pppoe_dns1=\$PPPOE_SERVER_${i}_DNS1
        case "$pppoe_dns1" in
        '') ;;
        *)  pppoe_dns1="ms-dns $pppoe_dns1" ;;
        esac
        eval pppoe_dns2=\$PPPOE_SERVER_${i}_DNS2
        case "$pppoe_dns2" in
        '') ;;
        *)  pppoe_dns2="ms-dns $pppoe_dns2" ;;
        esac
        eval pppoe_ipv6=\$PPPOE_SERVER_${i}_IPV6
        case "$pppoe_ipv6" in
        ''|no) pppoe_ipv6="noipv6" ;;
        *)  pppoe_ipv6="ipv6 ::1,::2" ;;
        esac

        options_file=/etc/ppp/pppoe-server-options-$i
        cat <<EOF > $options_file
$pppoe_auth
$pppoe_debug
$pppoe_dns1
$pppoe_dns2
$pppoe_mru
$pppoe_mtu
$pppoe_ipv6
EOF

        eval pppoe_local_ip=\$PPPOE_SERVER_${i}_LOCAL_IP
        eval pppoe_remote_ip=\$PPPOE_SERVER_${i}_REMOTE_IP
        pppoe-server -I $pppoe_server_dev -L $pppoe_local_ip -R $pppoe_remote_ip -o $session_offset -O $options_file $pppoe_type

        eval pppoe_sessions=\$PPPOE_SERVER_${i}_SESSIONS
        : ${pppoe_sessions:=64}
        session_offset=$((session_offset+pppoe_sessions))

        if [ -f /var/run/next_ppp_device ]
        then
            ppp_idx=`cat /var/run/next_ppp_device`
        else
            ppp_idx=0
        fi
        [ $i -eq 1 ] && net_alias_add pppoe-server ppp$ppp_idx
        ppp_idx=$((ppp_idx+1))
        echo $ppp_idx > /var/run/next_ppp_device
    done

    end_script
;;
esac