#!/bin/sh
#----------------------------------------------------------------------------
# /etc/rc.d/rc340.circuits.fcdsl - configuration of Fritz!Card DSL
#
# Creation:     28.05.2003 ow
# Last Update:  $Id$
#----------------------------------------------------------------------------
if [ "$OPT_FRITZDSL" = "yes" ]
then
    begin_script CIRCUITS_FCDSL "starting fcdsl ..."

    : ${FRITZDSL_NF_MSS:=MTU}

    # set by etc/rc.d/rc220.i4l if AVM CAPI is used
    if [ -f /var/run/avm_capi ]
    then
        controller=2
    else
        controller=1
        # we don't know if CAPI has already been loaded for a non-AVM CAPI
        # adapter, so we have to do it now (init_capi will not do anything
        # if CAPI layer has already been initialized)
        init_capi
    fi

    case "$FRITZDSL_TYPE"
    in
        fcdslsl)
            do_modprobe fcdslsl
            /sbin/avmcapictrl load /lib/firmware/isdn/fdssbase.bin "$controller"
            ;;
        fcdslslusb)
            do_modprobe fcdslslusb
            /sbin/avmcapictrl load /lib/firmware/isdn/fdlubase.frm "$controller"
            ;;
    esac

    case "$FRITZDSL_PROVIDER"
    in
        U-R2|ECI)
        vpi=1
        vci=32
        protocol=adslpppoe
        ;;
        Siemens)
        vpi=130
        vci=32
        protocol=adslpppoe
        ;;
        Switzerland|Belgium|Netcologne)
        vpi=8
        vci=35
        protocol=adslpppoe
        ;;
        Austria1)
        vpi=8
        vci=67
        protocol=adslpppoa
        ;;
        Austria2)
        vpi=8
        vci=48
        protocol=adslpppoa
        ;;
        Austria3)
        vpi=8
        vci=67
        protocol=adslpppoallc
        ;;
        Austria4)
        vpi=8
        vci=48
        protocol=adslpppoallc
        ;;
        oldArcor)
        vpi=8
        vci=35
        protocol=adslpppoa
        ;;
    esac

    lcp_interval=30                                 # LCP interval
    lcp_failure=5                                   # LCP failure count

    debug=''
    usepeerdns=''
    active_filter=''

    if [ "$FRITZDSL_DEBUG" = "yes" ]
    then
        debug='debug'
    fi

    case ${DIALMODE}${FRITZDSL_HUP_TIMEOUT} in
    autonever)
	mode=persist
	;;
    *)
	active_filter=$(ppp_filter_get)
	[ -n "$active_filter" ] && active_filter="active-filter \"$active_filter\""
	mode=demand
	idle="idle $FRITZDSL_HUP_TIMEOUT"
	;;
    esac

    if [ "$FRITZDSL_USEPEERDNS" = "yes" ]
    then
        usepeerdns='usepeerdns'
    fi

    echo "\"$FRITZDSL_USER\"  *  \"$FRITZDSL_PASS\"  *" >> /etc/ppp/pap-secrets

    do_modprobe ppp_synctty

    if [ "$START_IMOND" = "yes" ]
    then
        defaultroute='defaultroute'                 # will be deleted after start of pppd.
                                                    # pppd only fails if it is connected
                                                    # or if it is trying to connect
                                                    # in both cases the defaultroute was
                                                    # existing and will exist after its restart.
                                                    # There will be a risc that pppd may connect
                                                    # if dialmode is manual and the route is not deleted
                                                    # maybe a kill -1 will prevent this
        echo $DIALMODE >/var/run/pppoe.dialmode
    else
        defaultroute='defaultroute'
        echo auto >/var/run/pppoe.dialmode
    fi

    eval mtu="$FRITZDSL_MTU"
    eval mru="$FRITZDSL_MRU"
    : ${mtu:=1492}
    : ${mru:=1492}

    local=10.112.112.112
    remote=10.112.112.113

    localll=::200:0:0:1
    remotell=::200:0:0:2

    dev=pppoe
    echo $local >/var/run/$dev.conf
    echo $remote >>/var/run/$dev.conf

    case "$OPT_IPV6" in
	yes)
            ipv6enable='+ipv6'
            ipv6ifidentifier="ipv6 $localll,$remotell"
            echo $localll >/var/run/$dev.conf.ipv6
            echo $remotell >>/var/run/$dev.conf.ipv6
	    ;;
	*)
            ipv6enable='noipv6'
            ipv6ifidentifier=''
	    ;;
    esac

    echo 'fcdsl' >/var/run/dsl.interface

    mkdir -p /etc/drdsl
    echo "controller $controller" > /etc/drdsl/adsl.conf
    echo "protocol   $protocol" >> /etc/drdsl/adsl.conf
    echo "vpi        $vpi" >> /etc/drdsl/adsl.conf
    echo "vci        $vci" >> /etc/drdsl/adsl.conf

    mkdir -p /etc/ppp/peers
    cat <<EOF > /etc/ppp/peers/circuit.$dev
$usepeerdns
noipdefault
noauth
$defaultroute
hide-password
nodetach
local
$debug
mtu $mtu
mru $mru
noaccomp
noccp
nobsdcomp
nodeflate
nopcomp
novj
novjccomp
user "$FRITZDSL_USER"
lcp-echo-interval $lcp_interval
lcp-echo-failure $lcp_failure
holdoff 3
maxfail 0
$local:$remote
$ipv6enable
$ipv6ifidentifier
ipcp-accept-remote
ipcp-accept-local
connect true
ktune
$mode
$idle
$active_filter
sync
ipparam fcdsl
plugin capiplugin.so
avmadsl
EOF

    service-restart.sh 1 /usr/sbin/pppd call circuit.$dev /dev/null &
    sleep 1                                             # wait for pppd to come up and let it create the defaultroute
    ip route del default dev ppp0                       # delete defaultroute
    kill -1 `cat /var/run/ppp0.pid` 2>/dev/null         # ask pppd to hangup. Hopefully it also hangs up if it's in the process of dialing

    case $FRITZDSL_NF_MSS in
	MTU) tcpmss_opt=--clamp-mss-to-pmtu ;;
	*)   tcpmss_opt="--set-mss $FRITZDSL_NF_MSS" ;;
    esac
    echo "/sbin/iptables -I FORWARD -o ppp0 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS $tcpmss_opt" >> /etc/rc.d/fwrules.pre.pppoe

    times="$FRITZDSL_TIMES"
    usepeerdns="$FRITZDSL_USEPEERDNS"
    name="$FRITZDSL_NAME"
    chargeint="$FRITZDSL_CHARGEINT"
    case ${FRITZDSL_HUP_TIMEOUT} in
        never) hup_timeout='0' ;;
        *) hup_timeout="$FRITZDSL_HUP_TIMEOUT" ;;
    esac

    . /etc/rc.d/dsl-circuit-common

    end_script
fi