#----------------------------------------------------------------------------
# /etc/rc.d/base-helper.ipv6                                     __FLI4LVER__
# basic helper functions for IPv6
#
# Creation:     2007-10-21 kristov 
# Last Update:  $Id$
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
# some useful functions
#      translate_ip_net
#         translates a config value like IP_NET_1, calls set_error
#         if an error happens
#----------------------------------------------------------------------------

translate_ip6_net ()
{
    tin_param="$1"
    case $tin_param in
    none | default | pppoe | dynamic)
        res=$tin_param
    ;;
    any)
        res=::0/0
    ;;
    IPV6_NET_*_IPADDR | ip_net_*_ipaddr)
        tmp=`echo $tin_param | sed -e 's/_IPADDR//I'`
        get_value $tmp
        res=`echo $res | sed -e 's#/.*##'`
    ;;
    IPV6_NET_* | ip_net_*)
        get_value $tin_param
    ;;
    IPV6_ROUTE_* | ip_route_*)
        get_value $tin_param
        set $res
        res=$1
        case $res in 
            ::0/0)
                set_error "you can't use a default route entry in a packet filter rule"
            ;;
        esac
    ;;
    @*)
        if lookup_name `echo $tin_param | sed -e 's/^@//'`
        then
            return
        fi
        set_error "unable to lookup name $tin_param"
    ;;
    *)
        if echo $tin_param | grep '^[0-9a-zA-Z:]\+\(/[0-9]*\)\?$' >/dev/null 2>&1
        then
            res="$tin_param"
            return
        fi
        set_error
    ;;
    esac
    if is_error
    then
        set_error "invalid value '$tin_param' in translate_ip6_net ()"
    fi
}