- bind_set_new_serial.sh, bind_set_renew_tlsa.sh: redesign code, add configuration file support
- Add 'script bind_rndc_sync_clean.sh'. - bind_get_domain_by_hostname.sh: minor changes at code order. - Adjust sample configuration file 'bind.conf.sample'.
This commit is contained in:
356
bind_rndc_sync_clean.sh
Executable file
356
bind_rndc_sync_clean.sh
Executable file
@@ -0,0 +1,356 @@
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#!/usr/bin/env bash
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# -
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# - Syncing changes in the journal file for a given zone, or a zone related to
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# - a given hostname
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# -
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# - Return (Exit) Codes:
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# - success:
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# - 0: Zone is synced, journalfile ist removed.
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# - error:
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# - 10: Invalid Hostname/Domain given
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# - 11: No zonefile found
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# - 12: Hostname/Domain not supported
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# - 13: Syncing zonefile with jounal file failed
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# - 99: Fatal error
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# -
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# - Usage: ./bind_rndc_sync_clean.sh <hostname|domain>
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# -
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# - Example: ./bind_rndc_sync_clean.sh a.mx.oopen.de
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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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DEFAULT_BIND_USER="bind"
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DEFAULT_BIND_GROUP="bind"
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#***************************************
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#-----------------------------
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# Don't make changes after this
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#-----------------------------
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#***************************************
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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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#---------------------------------------
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#-----------------------------
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# Base Function(s)
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#-----------------------------
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#---------------------------------------
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usage() {
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echo
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[ -n "$1" ] && echo -e "Error: $1\n"
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cat<<EOF
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Usage: $(basename $0) <hostname|domain> | <check>
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Script syncs changes in the journal file for a given zone, or a zone related to
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a given hostname
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Return (Exit) Codes:
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success:
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0: Zone is synced, journalfile ist removed.
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error:
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10: Invalid Hostname/Domain given
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11: No zonefile found
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12: Hostname/Domain not supported
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13: Syncing zonefile with jounal file failed
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99: Fatal error
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Options:
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-h
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Prints this help.
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-q
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Rund in silent mode.
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Example: $(basename $0) oopen.de
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EOF
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clean_up 99
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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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if $verbose ; then
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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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fi
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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 99
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}
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warn (){
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if $verbose ; then
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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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fi
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}
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info (){
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if $verbose ; then
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echo ""
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echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
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echo ""
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fi
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}
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ok (){
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if $verbose ; then
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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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fi
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}
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error(){
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if $verbose ; then
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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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fi
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}
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echo_ok() {
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if $verbose ; then
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echo -e "\033[75G[ \033[32mok\033[m ]"
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fi
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}
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echo_failed(){
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if $verbose ; then
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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fi
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}
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echo_skipped() {
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if $verbose ; then
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echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
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fi
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}
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containsElement () {
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local e
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for e in "${@: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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# - Test whether stdout (file descriptor 1) is a terminal or not (e.g. cron
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# - or if you pipe the output to some other program)
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#
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if [[ -t 1 ]] ; then
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verbose=true
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else
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verbose=false
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fi
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while getopts hq opt ; do
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case $opt in
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q) verbose=false
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;;
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h) usage
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;;
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*)
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;;
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esac
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done
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shift $(expr $OPTIND - 1)
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if [[ $# -ne 1 ]] ; then
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if $verbose ; then
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usage "wrong number of arguments"
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else
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clean_up 99
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fi
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fi
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# - Parameter "check" can be used, to test whether this script
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# - is accessable (e.g. from a script on a remote host)
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# -
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if [[ "$1" = "check" ]]; then
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info "Script \033[1m$(basename $0)\033[m was successfully invoked, but its only a test."
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clean_up 0
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fi
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host_name=$1
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$verbose && echo ""
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if [[ -z "$host_name" ]] ; then
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fatal "No hostname/domain given!"
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fi
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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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if $verbose ; then
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clear
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echo ""
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echo -e "\033[32mRunning script \033[1m"$(basename $0)"\033[m .."
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echo ""
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fi
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info "Given hostname/domain: \033[1m${host_name}\033[m"
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echononl "\t 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" ]] || CONF_FILE_DIR="$DEFAULT_CONF_FILE_DIR"
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[[ -n "$ZONES_DECLARATION_FILE" ]] || ZONES_DECLARATION_FILE="${CONF_FILE_DIR}/named.conf.local"
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[[ -n "$BIND_USER" ]] || BIND_USER="$DEFAULT_BIND_USER"
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[[ -n "$BIND_GROUP" ]] || BIND_GROUP="$DEFAULT_BIND_GROUP"
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$verbose && echo ""
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# - Validate Syntax of given domain
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# -
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valid_domain_regex="^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])(\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9]))*$"
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echononl "\tValidate syntax of given domain.."
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if [[ $host_name =~ $valid_domain_regex ]]; then
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if [[ ! $host_name =~ \. ]]; then
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echo_failed
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error "Invalid hostname/domain \"$1\" given!"
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clean_up 10
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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_failed
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error "Invalid hostname/domain ($1) given!"
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clean_up 10
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fi
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# - Determin zone (domain)
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# -
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_failed=false
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_host_name=$host_name
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_tmp_host_name=$(echo ${_host_name//\./\\.})
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while ! grep -e "$_tmp_host_name" $ZONES_DECLARATION_FILE > /dev/null 2>&1 ; do
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_host_name=${_host_name#*.}
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_tmp_host_name=$(echo ${_host_name//\./\\.})
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if [[ ! $_tmp_host_name =~ \. ]]; then
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_failed=true
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break
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fi
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done
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if $_failed ; then
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error "Given hostname/domain \"$1\" not supported by this nameserver!"
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clean_up 11
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else
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domain=$_host_name
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fi
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# - Determine zonefile (by reading bind configuration)
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# -
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_found=false
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declare -i _number=0
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regex_zone="^[[:space:]]*zone[[:space:]]+\"$_tmp_host_name\""
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regex_file="^[[:space:]]*file"
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while IFS='' read -r line || [[ -n "$line" ]] ; do
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if [[ $line =~ $regex_zone ]]; then
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_found=true
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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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let number++
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break
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fi
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fi
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done < $ZONES_DECLARATION_FILE
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if [[ $number -eq 0 ]] ; then
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error "No Zonefile (master) found for domain \"$domain\" ."
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clean_up 12
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fi
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# - Reload Zone
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# -
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echononl "\tSyncing changes in the journal file for zone \"$domain\".."
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#rndc sync -clean $domain > /dev/null 2>&1
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rndc sync $domain > /dev/null 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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info "Zone was synced ($domain)"
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clean_up 0
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else
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echo_failed
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error "Syncing Zone ($domain) failed!"
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clean_up 13
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fi
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$verbose && echo ""
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clean_up 99
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