ipa_add_user ()

{

    username=$1 ; usernum=$2

    printf "rule $username_prefix$username { ipfw = $usernum } " >> $ipa_users

    if [ -r /var/run/ipa.pid ] ; then

           kill -HUP `cat /var/run/ipa.pid` >/dev/null 2>&1

           sleep 5

    fi

}

if [ -f $ipa_users ] ; then

    startline=`grep -n "^rule $username_prefix$username " $ipa_users | awk -F: '{print $1}'`

    if [ $startline ] ; then

           usernum=`head -n $(expr $startline + 1) $ipa_users | tail -n 1 | awk -F= '{print $2}'`

    else

           usernum=`expr $count_startnum + $(wc -l < $ipa_users) / 3 + 1`

           ipa_add_user $username $usernum

    fi

else

    usernum=`expr $count_startnum + 1`

    ipa_add_user $username $usernum

fi

if [ "$action" = "-" ] ; then

    /usr/local/sbin/ipa -k dump >/dev/null 2>&1

fi

echo $usernum