#! /bin/bash
#-----------------------------------------------------------------------------
# /usr/libexec/bind/named.prep - BIND 9 start script
#
# Creation:     2023-06-22 hbfl
# Last Update:  $Id$
#
# Copyright (c) 2014-@@YEAR@@ Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#-----------------------------------------------------------------------------

. /etc/config.d/bind9

#include eisdate-time
. /var/install/include/eistime

bind_root='/var/lib/named'
s_search=''

rc=0

warnMessage()
{
    logger "Warning: $1"
}

# ----------------------------------------------------------------------------
# update resolf file
# ----------------------------------------------------------------------------
write_resolv_file()
{
    echo 'DO NOT REMOVE ME IF BIND RUNNING' > /etc/sysconfig/network/forwarder/bind
    /usr/sbin/service ${quiet} restart resolver.service

#
#    . /etc/config.d/base
#    if [ -z "${s_search}" ]
#    then
#        s_search="${DOMAIN_NAME}"
#    fi
#    {
#        echo "# --------------------------------------------------------------------------"
#        echo "# /etc/resolv.conf"
#        echo "# Last Update: ${EISDATE} ${EISTIME} by /var/install/config.d/bind9"
#        echo "# --------------------------------------------------------------------------"
#        echo "search ${s_search} "
#        echo "nameserver 127.0.0.1 "
#        idx=1
#        for dns_server in ${DNS_SERVER}
#        do
#            if [ ${idx} -le 2 ]
#            then
#                if [ ! "${dns_server}" = "127.0.0.1" ]
#                then
#                    echo "nameserver ${dns_server} "
#                fi
#            fi
#            idx=$((${idx} + 1))
#        done
#        echo
#    } >/etc/resolv.conf
}

# ---------------------------------------------------------------------------
# check all master zone files
# ---------------------------------------------------------------------------
check_zone_files()
{
    idx=1
    while [ ${idx} -le ${BIND9_N} ]
    do
        eval zone_name='${BIND9_'${idx}'_NAME}'
        eval zone_mast='${BIND9_'${idx}'_MASTER}'

        s_search="${s_search} ${zone_name}"

        if [ "${zone_mast}" = 'yes' ]
        then
            /usr/bin/named-checkzone -q -t ${bind_root}/etc/bind/master ${zone_name} ${zone_name}.zone >/dev/null
            if [ ${?} -eq 1 ]
            then
    #            echo_ok
                echo
                echo "Configuration error zone ${zone_name}"
                /usr/bin/named-checkzone -t ${bind_root}/etc/bind/master ${zone_name} ${zone_name}.zone
                sleep 3
                exit 1
            fi
        fi
        idx=$((${idx} + 1))
    done
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

    # create named.conf.local
    named_files=$(/usr/bin/find ${bind_root}/etc/bind/include -maxdepth 1 -type f -name '*' -printf '%f\n')

    /usr/bin/rm -f ${bind_root}/etc/bind/named.conf.local
    for i in ${named_files}
    do
        echo "include \"/etc/bind/include/${i}\";" >> ${bind_root}/etc/bind/named.conf.local
    done
    /usr/bin/chown named:named ${bind_root}/etc/bind/named.conf.local
    /usr/bin/chmod 0644 ${bind_root}/etc/bind/named.conf.local

    # check all zone files
    check_zone_files
    # write resolv file
#    write_resolv_file

    # copy ssl engines into chroot
#    if [ "$(arch)" = "x86_64" ]
#    then
#        lib_dir=64
#    fi
#    /usr/bin/cp -f /usr/lib${lib_dir}/engines-3/* ${bind_root}/usr/lib/engines-3/

    # Make sure /etc/named.d/forwarders.conf exists
    #[ -e /etc/named.d/forwarders.conf ] || touch /etc/named.d/forwarders.conf

    # Check the syntax of our 'named' configuration.
    if ! /usr/bin/named-checkconf -t ${bind_root} >/dev/null; then
        [ $rc != 0 ] || rc=6
    fi

exit $rc