Christoph
5a4eab9261
- bind_reload_all_zones.sh, bind_disable_ipv6.sh, bind_enable_ipv6.sh: Redesign of the code. Add support for configuration file. -
400 lines
9.7 KiB
Bash
Executable File
400 lines
9.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/bind.conf"
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log_file="$(mktemp)"
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backup_date="$(date +%Y-%m-%d-%H%M)"
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_serial_new="$(date +%Y%m%d01)"
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comment=";; - IPv6 disabled "
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#---------------------------------------
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#-----------------------------
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# Base Function(s)
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#-----------------------------
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#---------------------------------------
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clean_up() {
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# Perform program exit housekeeping
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rm $log_file
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exit $1
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}
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echononl(){
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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}
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fatal(){
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echo ""
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echo -e "[ \033[31m\033[1mError\033[m ]: $*"
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echo ""
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echo -e "\t\033[31m\033[1mScript is canceled\033[m\033[m"
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echo ""
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clean_up 1
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}
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warn (){
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echo ""
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echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
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echo ""
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}
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info (){
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echo ""
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echo -e "\t[ \033[33m\033[1mInfo\033[m ]: $*"
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echo ""
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}
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ok (){
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echo ""
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echo -e "\t[ \033[36m\033[1mOk\033[m ]: $*"
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echo ""
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}
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error(){
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echo ""
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echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
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echo ""
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}
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echo_ok() {
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echo -e "\033[75G[ \033[32mok\033[m ]"
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}
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echo_done() {
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echo -e "\033[75G[ \033[32mdone\033[m ]"
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}
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echo_failed(){
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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}
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echo_skipped() {
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echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
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}
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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trap clean_up SIGHUP SIGINT SIGTERM
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#---------------------------------------
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#-----------------------------
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# Setting Defaults
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#-----------------------------
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#---------------------------------------
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DEFAULT_CONF_FILE_DIR="/etc/bind"
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#---------------------------------------
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#-----------------------------
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# Load default values from bind.conf
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#
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# Overwrites the settings above
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#
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#-----------------------------
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#---------------------------------------
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#clear
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echo ""
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echo ""
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echononl " Loading default Configuration values from $(basename ${conf_file}).."
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if [[ ! -f "$conf_file" ]]; then
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echo_skipped
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else
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source "${conf_file}" > $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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fi
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[[ -n "$CONF_FILE_DIR" ]] && DEFAULT_CONF_FILE_DIR="$CONF_FILE_DIR"
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if [[ -n "$ZONE_FILE_MASTER_DIR" ]] ; then
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DEFAULT_ZONE_FILE_MASTER_DIR="$ZONE_FILE_MASTER_DIR"
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else
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DEFAULT_ZONE_FILE_MASTER_DIR="${DEFAULT_CONF_FILE_DIR}/master"
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fi
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if [[ -n "$ZONE_FILE_SLAVE_DIR" ]] ; then
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DEFAULT_ZONE_FILE_SLAVE_DIR="$ZONE_FILE_SLAVE_DIR"
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else
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DEFAULT_ZONE_FILE_SLAVE_DIR="${DEFAULT_CONF_FILE_DIR}/slave"
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fi
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if [[ -n "$ZONES_DECLARATION_FILE" ]] ; then
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DEFAULT_ZONES_DECLARATION_FILE="$ZONES_DECLARATION_FILE"
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else
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DEFAULT_ZONES_DECLARATION_FILE="${CONF_FILE_DIR}/named.conf.local"
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fi
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echo ""
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echo "Insert directory containing the bind configuration files."
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echo ""
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CONF_FILE_DIR=""
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if [[ -n "$DEFAULT_CONF_FILE_DIR" ]] ; then
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echononl "Bind Configuration Directory [${DEFAULT_CONF_FILE_DIR}]: "
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read CONF_FILE_DIR
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if [[ "X$CONF_FILE_DIR" = "X" ]]; then
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CONF_FILE_DIR="$DEFAULT_CONF_FILE_DIR"
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fi
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else
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echononl "Bind Configuration Directory: "
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read CONF_FILE_DIR
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while [ "X$CONF_FILE_DIR" = "X" ] ; do
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echo -e "\n\t\033[33m\033[1mSetting 'Bind Configuration Directory' is required!\033[m\n"
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echononl "Bind Configuration Directory: "
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read CONF_FILE_DIR
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done
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fi
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[[ -n "$ZONES_DECLARATION_FILE" ]] || DEFAULT_ZONES_DECLARATION_FILE="${CONF_FILE_DIR}/named.conf.local"
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Insert zones declaration file."
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echo ""
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ZONES_DECLARATION_FILE=""
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if [[ -n "$DEFAULT_ZONES_DECLARATION_FILE" ]] ; then
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echononl "Zones Declaration File [${DEFAULT_ZONES_DECLARATION_FILE}]: "
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read ZONES_DECLARATION_FILE
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if [[ "X$ZONES_DECLARATION_FILE" = "X" ]]; then
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ZONES_DECLARATION_FILE="$DEFAULT_ZONES_DECLARATION_FILE"
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fi
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else
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echononl "Zones Declaration File: "
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read ZONES_DECLARATION_FILE
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while [ "X$ZONES_DECLARATION_FILE" = "X" ] ; do
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echo -e "\n\t\033[33m\033[1mSetting 'Zones Declaration File' is required!\033[m\n"
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echononl "Zones Declaration File: "
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read ZONES_DECLARATION_FILE
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done
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fi
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo "Insert the directory, where your zone-files resides."
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echo ""
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echo ""
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ZONE_FILE_MASTER_DIR=""
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if [[ -n "$DEFAULT_ZONE_FILE_MASTER_DIR" ]] ; then
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echononl "Zone File Directory (master) [${DEFAULT_ZONE_FILE_MASTER_DIR}]: "
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read ZONE_FILE_MASTER_DIR
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if [[ "X$ZONE_FILE_MASTER_DIR" = "X" ]]; then
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ZONE_FILE_MASTER_DIR="$DEFAULT_ZONE_FILE_MASTER_DIR"
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fi
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else
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echononl "Zone File Directory (master): "
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read ZONE_FILE_MASTER_DIR
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while [ "X$ZONE_FILE_MASTER_DIR" = "X" ] ; do
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echo -e "\n\t\033[33m\033[1mSetting 'Zone File Directory (master)' is required!\033[m\n"
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echononl "Zone File Directory (master): "
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read ZONE_FILE_MASTER_DIR
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done
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fi
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clear
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echo ""
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echo ""
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echo -e "\033[21G\033[32mDisable IPv6 for all (master) Zones\033[m"
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echo ""
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echo ""
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echo "Bind Configuration Directory......: $CONF_FILE_DIR"
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echo "Zones Declaration File............: $ZONES_DECLARATION_FILE"
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echo "Zone File Directory (master)......: $ZONE_FILE_MASTER_DIR"
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echo ""
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OK=
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while [ "$OK" != "yes" -o "$OK" != "no" ] ; do
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echononl "Parameters ok? [yes/no]: "
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read OK
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## - To lower case
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OK=${OK,,}
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if [ "X$OK" = "X" ]; then
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echo -e "\n\t\033[33m\033[1mAn entry is required!\033[m\n"
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OK=""
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continue
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fi
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if [ "$OK" = "yes" -o "$OK" = "no" ] ; then
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break
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else
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OK=""
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continue
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fi
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echo -e "\n\t\033[33m\033[1mWrong entry!\033[m\n"
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done
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[[ $OK = "yes" ]] || fatal Repeat execution with different parameters
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echo ""
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echononl "\tBackup directory '${ZONE_FILE_MASTER_DIR}'.."
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cp -a "${ZONE_FILE_MASTER_DIR}" "${ZONE_FILE_MASTER_DIR}.${backup_date}" > $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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else
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echo_failed
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fatal "$(cat $log_file)"
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fi
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_found=false
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_is_master=false
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zonefiles_arr=()
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zone_file=""
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regex_master="type[[:space:]]+master"
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regex_file="^[[:space:]]*file"
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while IFS='' read -r _line || [[ -n $_line ]] ; do
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if [[ $_line =~ ^[[:space:]]*zone[[:space:]]+ ]]; then
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_found=true
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zone="$(echo $_line | awk '{print$2}')"
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shopt -s extglob
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if [[ $zone =~ \; ]]; then
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zone=${zone%%*(\;)}
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fi
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if [[ $zone =~ ^\" ]]; then
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zone=${zone##*(\")}
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zone=${zone%%*(\")}
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fi
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shopt -u extglob
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fi
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if $_found ; then
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if [[ $_line =~ $regex_file ]]; then
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zone_file=$(echo $_line | awk '{print$2}')
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shopt -s extglob
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if [[ $zone_file =~ \; ]]; then
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zone_file=${zone_file%%*(\;)}
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fi
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if [[ $zone_file =~ ^\" ]]; then
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zone_file=${zone_file##*(\")}
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zone_file=${zone_file%%*(\")}
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fi
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shopt -u extglob
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fi
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if [[ $_line =~ $regex_master ]]; then
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_is_master=true
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fi
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if [[ "$_line" =~ ^[[:space:]]*\}[[:space:]]*\; ]]; then
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if $_is_master && [[ -n "$zone_file" ]]; then
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if $(grep -q -E "^[^;].*\s*AAAA" "$zone_file" 2> /dev/null) ; then
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echo -e "\tEditing \033[1m$zone_file\033[m .."
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_replaced=false
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echononl "\t Comment all IPv6 AAAA Records"
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perl -i -n -p -e "s/^([^;]+.*\s+AAAA\s+.*)$/${comment}\1/" "$zone_file" > $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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_replaced=true
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else
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echo_failed
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fi
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# - Calculate new serial
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# -
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echononl "\t Calculate new serial"
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if $_replaced ; then
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declare -i __serial=`grep -e "[0-9]\{10\}" $zone_file | grep serial | awk '{print$1}'`
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while [ ! $_serial_new -gt $__serial ]; do
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let _serial_new++
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done
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echo_done
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else
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echo_skipped
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fi
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# - Set new serial
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# -
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echononl "\t Increase serial"
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if $_replaced ; then
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perl -i -n -p -e "s#^(\s*)\s$__serial(.*)#\1 $_serial_new\2#" $zone_file > /dev/null 2>&1
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if [ "$?" = "0" ]; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echo_skipped
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fi
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# - Reload Zone
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# -
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echononl "\t Reload zone '${zone}'"
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if $_replaced ; then
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/usr/sbin/rndc reload $zone > $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(cat $log_file)"
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else
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echo_ok
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fi
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else
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echo_skipped
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fi
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echo
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fi
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fi
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_is_master=false
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_found=false
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zone_file=""
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fi
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fi
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done < "$ZONES_DECLARATION_FILE"
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if [[ -d "${ZONE_FILE_MASTER_DIR}.${backup_date}" ]] ; then
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diff -Nur "${ZONE_FILE_MASTER_DIR}" "${ZONE_FILE_MASTER_DIR}.${backup_date}" > /dev/null 2>&1
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if [[ $? -eq 0 ]]; then
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info "No zone file has changed.\n\t Removing previously created backup"
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echononl "\tDelete '${ZONE_FILE_MASTER_DIR}.${backup_date}'.."
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rm -rf "${ZONE_FILE_MASTER_DIR}.${backup_date}" > $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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else
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echo_failed
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fi
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fi
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fi
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echo ""
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clean_up 0
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