#!/bin/sh
#------------------------------------------------------------------------------
# /etc/rc.d/rc300.bridge - configure the bridge
#
# Creation:     20.10.2004 babel
# Last Update:  $Id$
#------------------------------------------------------------------------------

case $OPT_BRIDGE_DEV in
yes)
    begin_script BRIDGE "setting up bridge devices..."

    if [ ! -f /var/run/wlan.dontuse ]; then > /var/run/wlan.dontuse; fi
    [ 0"$BRIDGE_DEV_N" -eq 0 ] || for bridge_idx in `seq 1 $BRIDGE_DEV_N`
    do
        eval bridge_devname='$BRIDGE_DEV_'$bridge_idx'_DEVNAME'
        eval bridge_devn='$BRIDGE_DEV_'$bridge_idx'_DEV_N'
        {
            echo "ip addr flush dev $bridge_devname"
            echo "ip link set dev $bridge_devname up"
        } >>/var/run/bridge.setup
        for bridge_ddx in `seq 1 $bridge_devn`
        do
            eval bridge_dev_dev='$BRIDGE_DEV_'$bridge_idx'_DEV_'$bridge_ddx'_DEV'
            if [ -z "`grep $bridge_dev_dev /var/run/wlan.dontuse`" ]
            then
                if [ -z "`brctl show | grep $bridge_dev_dev`" ]
                then
                    eval bridge_dev_prio='$BRIDGE_DEV_'$bridge_idx'_DEV_'$bridge_ddx'_PORT_PRIORITY'
                    eval bridge_dev_cost='$BRIDGE_DEV_'$bridge_idx'_DEV_'$bridge_ddx'_PATHCOST'
                    {
                        echo "brctl addif $bridge_devname $bridge_dev_dev"
                        echo "ip addr flush dev $bridge_dev_dev"
                        echo "ip link set dev $bridge_dev_dev up"
                        [ "$bridge_dev_prio" ] && echo "brctl setportprio $bridge_devname $bridge_dev_dev $bridge_dev_prio"
                        [ "$bridge_dev_cost" ] && echo "brctl setpathcost $bridge_devname $bridge_dev_dev $bridge_dev_cost"
                        if [ "$bridge_ddx" -eq 1 ]
                        then
                          mac=`ip link show $bridge_dev_dev | sed -n 'y/abcdef/ABCDEF/;s/.*\(\([0-9A-F]\{2\}:\)\{5\}[0-9A-F]\{2\}\).\+/\1/p'`
                          if [ -n "$mac" ]
                          then
                            ip link set dev $bridge_devname address $mac
                          fi
                        fi
                    }>>/var/run/bridge.setup
                else
                    echo "Skipping Device $bridge_dev_dev as already member of a bridge"
                fi
            else
                log_error "skipping bridge-device $bridge_dev_dev because of previous error on wlan-setup for security reasons"
                brctl delif $bridge_devname $bridge_dev_dev >/dev/null 2>&1
            fi
        done
    done

    if [ -f /var/run/bridge.setup ]
    then
        . /var/run/bridge.setup
        [ -f /etc/pcmcia/config ] && cat /var/run/bridge.setup>>/etc/pcmcia/network.opts
        rm /var/run/bridge.setup
    fi

    if [ "$BRIDGE_DEV_BOOTDELAY" != "no" -a "$BRIDGE_DEV_BOOTDELAY" != "yes" ]
    then
        if [ "$BRIDGE_DEV_BOOTDELAY" -gt 0 ]
        then
            log_info "Waiting $BRIDGE_DEV_BOOTDELAY seconds for bridge devices..."
            sleep $BRIDGE_DEV_BOOTDELAY
        fi
    fi

    end_script
    ;;
esac