Add dns-zone-add and dns-zone-delete
This commit is contained in:
@@ -9,8 +9,10 @@
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#
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#DIG="/usr/bin/dig"
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#IDN2="/usr/bin/idn2"
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#JQ="/usr/bin/jq"
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#NAMED_CHECKCONF="/usr/bin/named-checkconf"
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#NSUPDATE="/usr/bin/nsupdate"
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#RNDC="/usr/sbin/rndc"
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#
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# Path to library directory
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@@ -56,7 +58,7 @@
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#CONTROL_KEY="/etc/bind/rndc.key"
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#
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# Associative array of config values per view. This option is mandatory when adding
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# Associative array of directories and config files per view. This option is mandatory when adding
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# or removing zones. The syntax of the value is:
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# ZONEDIR:CONFDIR:CFGFILE
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#
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@@ -66,7 +68,7 @@
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# The detour via CONFDIR is necessary because Bind does not support wildcards when
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# including config files.
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#
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#ZONE_DIRS=(
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#BASE_CONFIG=(
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# [_default]="/etc/bind/dyn:/etc/dns-manager/default.zones:/etc/bind/default_zones.conf"
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#)
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@@ -8,7 +8,7 @@ usage() {
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cat <<EOF
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Usage: $SCRIPT [OPTIONS]... ZONE[@VIEW] NAME TTL TYPE VALUE
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Add a new record to a DNS zone.
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Add new records to a DNS zone.
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Options:
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-c, --config path to config file
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@@ -8,7 +8,7 @@ usage() {
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cat <<EOF
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Usage: $SCRIPT [OPTIONS]... ZONE[@VIEW] NAME TYPE [VALUE]
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Delete records from a DNS zone.
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Delete DNS records.
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Options:
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-c, --config path to config file
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4
dns-zone
4
dns-zone
@@ -11,6 +11,8 @@ Usage: $SCRIPT [OPTIONS]... COMMAND [COMMAND OPTIONS]
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Manage DNS zones.
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Commands:
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* add add new zone
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* delete delete zone
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* help [COMMAND] show help message of commands
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* list show zone content
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@@ -68,7 +70,7 @@ if [ "$cmd" == "help" ]; then
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fi
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case "$cmd" in
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list)
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add|delete|list)
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"$SCRIPT_DIR"/dns-zone-$cmd $params "$@"
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;;
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"")
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175
dns-zone-add
Executable file
175
dns-zone-add
Executable file
@@ -0,0 +1,175 @@
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#!/usr/bin/env bash
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SCRIPT_PATH=$(realpath -s "${0}")
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SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
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SCRIPT=$(basename "$SCRIPT_PATH")
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usage() {
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cat <<EOF
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Usage: $SCRIPT [OPTIONS]... ZONE[@VIEW]
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Add new DNS zones.
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Options:
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-c, --config path to config file
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-h, --help print this help message
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-f, --force add zone without confirmation prompt
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-i, --interactive interactively ask for missing arguments
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-t, --config-template config file/template (overrides value set in ZONE_TEMPLATES config option)
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-z, --zone-template zone file/template (overrides value set in ZONE_TEMPLATES config option)
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EOF
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exit
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}
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config_file="/etc/dns-manager/config.sh"
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config_template=""
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force=false
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interactive=false
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zone=""
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zone_template=""
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declare -a args=()
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while [ -n "$1" ]; do
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opt=$1
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shift
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case "$opt" in
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-c|--config)
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config_file=$1
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if ! shift; then
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echo "$SCRIPT: missing argument to option -- '$opt'" >&2
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exit 1
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fi
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;;
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-h|--help)
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usage
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;;
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-f|--force)
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force=true
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;;
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-i|--interactive)
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interactive=true
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;;
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-t|--config-template)
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config_template=$1
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if ! shift; then
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echo "$SCRIPT: missing argument to option -- '$opt'" >&2
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exit 1
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fi
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;;
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-z|--zone-template)
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zone_template=$1
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if ! shift; then
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echo "$SCRIPT: missing argument to option -- '$opt'" >&2
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exit 1
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fi
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;;
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-*)
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echo "$SCRIPT: invalid option -- '$opt'" >&2
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exit 1
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;;
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*)
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args+=("$opt")
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if (( ${#args[@]} > 1 )); then
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echo "$SCRIPT: invalid argument -- '$opt'" >&2
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exit 1
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fi
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;;
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esac
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done
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source "$config_file" || exit 2
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LIB_DIR=${LIB_DIR:-$SCRIPT_DIR/lib}
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source "$LIB_DIR"/dns.sh || exit 3
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source "$LIB_DIR"/output.sh || exit 3
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set -- "${args[@]}"
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zone=$1
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if shift; then
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dns_check_zone_name_view "$zone" zone view || exit 10
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elif $interactive; then
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dns_read_zone_view zone view || exit 11
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else
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echo "$SCRIPT: missing argument -- ZONE[@VIEW]" >&2
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exit 1
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fi
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declare -A output
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if [ "${view}" == "*" ]; then
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json_array_to_bash views < <(dns_zone_views)
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else
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views=("$view")
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fi
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for view in "${views[@]}"; do
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dns_get_base_config "$view" zone_dir conf_dir || exit 13
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zone_conf_file="$conf_dir/$zone.conf"
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[ -f "$zone_conf_file" ] && echo "ERROR: config file already exists -- '$zone_conf_file'" >&2 && exit 14
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zone_file="$zone_dir/$zone.zone"
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[ -f "$zone_file" ] && echo "ERROR: zone file already exists -- '$zone_file'" >&2 && exit 15
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IFS=":" read -r cfg_zone_template cfg_config_template <<<"${ZONE_TEMPLATES["$view"]}"
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conf_template=${config_template:-${cfg_config_template}}
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[ -z "$conf_template" ] && echo "ERROR: config template not configured nor specified by '-t' option" >&2 && exit 16
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! [ -f "$conf_template" ] && echo "ERROR: zone config template: no such file -- '$conf_template'" >&2 && exit 17
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zone_template=${zone_template:-${cfg_zone_template}}
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[ -z "$zone_template" ] && echo "ERROR: zone template not configured nor specified by '-z' option" >&2 && exit 18
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! [ -f "$zone_template" ] && echo "ERROR: zone template: no such file -- '$zone_template'" >&2 && exit 19
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dns_check_zone_view "$zone@$view" &>/dev/null && echo "ERROR: non-managed zone already exists in DNS -- '$zone@$view'" >&2 && exit 16
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done
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if ! $force; then
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for view in "${views[@]}"; do
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echo "View: $view"
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echo -e "\e[32m+ $TAB$zone\e[0m"
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done
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echo
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! yes_no "Proceed?" && echo -e "Aborted" && exit
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echo
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fi
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echo -n "Adding zone to config... "
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for view in "${views[@]}"; do
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dns_get_base_config "$view" zone_dir conf_dir conf_file || exit 13
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zone_conf_file="$conf_dir/$zone.conf"
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zone_file="$zone_dir/$zone.zone"
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IFS=":" read -r cfg_zone_template cfg_config_template <<<"${ZONE_TEMPLATES["$view"]}"
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conf_template=${config_template:-${cfg_config_template}}
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zone_template=${zone_template:-${cfg_zone_template}}
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! sed "s#%ZONE%#$zone#g;s#%ZONE_FILE%#$zone_file#g" "$conf_template" >"$zone_conf_file" && echo "ERROR: unable to write to config file -- '$zone_conf_file'" >&2 && exit 20
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! sed "s#%ZONE%#$zone#g" "$zone_template" >"$zone_file" && echo "ERROR: unable to write to zone file -- '$zone_file'" >&2 && exit 21
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! chown named:named "$zone_file" && echo "ERROR: unable to set ownership of zone file to 'named:named' -- '$zone_file'" >&2 && exit 22
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tmp=$(mktemp)
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cat >"$tmp" <<EOF
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/*
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* This file was generated by DNS-Manager.
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* DO NOT EDIT, YOUR CHANGES WILL BE OVERWRITTEN!
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*/
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EOF
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while IFS=$NEWLINE read -r file; do
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if ! cat "$file" >>"$tmp"; then
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echo "ERROR: unable to write to temp file -- '$tmp'" >&2
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rm "$tmp"
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exit 23
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fi
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done < <(find "$conf_dir" -maxdepth 1 -type f -name '*.conf')
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if ! cat "$tmp" > "$conf_file"; then
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echo "ERROR: unable to write config file -- '$conf_file'" >&2
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rm "$tmp"
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exit 24
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fi
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rm "$tmp"
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done
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echo "Ok"
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dns_reload_config || exit 25
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156
dns-zone-delete
Executable file
156
dns-zone-delete
Executable file
@@ -0,0 +1,156 @@
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#!/usr/bin/env bash
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SCRIPT_PATH=$(realpath -s "${0}")
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SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
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SCRIPT=$(basename "$SCRIPT_PATH")
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usage() {
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cat <<EOF
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Usage: $SCRIPT [OPTIONS]... ZONE[@VIEW]
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Delete DNS zones.
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Options:
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-c, --config path to config file
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-h, --help print this help message
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-f, --force add zone without confirmation prompt
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-i, --interactive interactively ask for missing arguments
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EOF
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exit
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}
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config_file="/etc/dns-manager/config.sh"
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force=false
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interactive=false
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zone=""
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declare -a args=()
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while [ -n "$1" ]; do
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opt=$1
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shift
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case "$opt" in
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-c|--config)
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config_file=$1
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if ! shift; then
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echo "$SCRIPT: missing argument to option -- '$opt'" >&2
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exit 1
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fi
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;;
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-h|--help)
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usage
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;;
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-f|--force)
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force=true
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;;
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-i|--interactive)
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interactive=true
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;;
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-*)
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echo "$SCRIPT: invalid option -- '$opt'" >&2
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exit 1
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;;
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*)
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args+=("$opt")
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if (( ${#args[@]} > 1 )); then
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echo "$SCRIPT: invalid argument -- '$opt'" >&2
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exit 1
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fi
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;;
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esac
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done
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source "$config_file" || exit 2
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LIB_DIR=${LIB_DIR:-$SCRIPT_DIR/lib}
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source "$LIB_DIR"/dns.sh || exit 3
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source "$LIB_DIR"/output.sh || exit 3
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set -- "${args[@]}"
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zone=$1
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if shift; then
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dns_check_zone_view "$zone" zone view || exit 10
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elif $interactive; then
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dns_select_zone zone view || exit 11
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else
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echo "$SCRIPT: missing argument -- ZONE[@VIEW]" >&2
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exit 1
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fi
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declare -A output
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if [ "${view}" == "*" ]; then
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json_array_to_bash views < <(dns_zone_views)
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else
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views=("$view")
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fi
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for view in "${views[@]}"; do
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dns_get_base_config "$view" zone_dir conf_dir conf_file || exit 10
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zone_conf_file="$conf_dir/$zone.conf"
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! [ -f "$zone_conf_file" ] && echo "ERROR: zone exists in DNS but no config file found, zone not managed by DNS-Manager -- '$zone_conf_file'" >&2 && exit 14
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zone_file="$zone_dir/$zone.zone"
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! [ -f "$zone_file" ] && echo "ERROR: zone exists in DNS but no zone file found, zone not managed by DNS-Manager -- '$zone_file'" >&2 && exit 15
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done
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if ! $force; then
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for view in "${views[@]}"; do
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echo "View: $view"
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echo -e "\e[31m- $TAB$zone\e[0m"
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done
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echo
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! yes_no "Proceed?" && echo -e "Aborted" && exit
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echo
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fi
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echo -n "Deleting zone from config... "
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for view in "${views[@]}"; do
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dns_get_base_config "$view" zone_dir conf_dir conf_file || exit 10
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zone_conf_file="$conf_dir/$zone.conf"
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! rm "$zone_conf_file" && echo "ERROR: unable to delete config file -- '$zone_conf_file'" >&2 && exit 14
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tmp=$(mktemp)
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cat >"$tmp" <<EOF
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/*
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* This file was generated by DNS-Manager.
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* DO NOT EDIT, YOUR CHANGES WILL BE OVERWRITTEN!
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*/
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EOF
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while IFS=$NEWLINE read -r file; do
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if ! cat "$file" >>"$tmp"; then
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echo "ERROR: unable to write to temp file -- '$tmp'" >&2
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rm "$tmp"
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exit 23
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fi
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done < <(find "$conf_dir" -maxdepth 1 -type f -name '*.conf')
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if ! cat "$tmp" > "$conf_file"; then
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echo "ERROR: unable to write config file -- '$conf_file'" >&2
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rm "$tmp"
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exit 24
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fi
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rm "$tmp"
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done
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echo "Ok"
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echo -n "Reload Bind config... "
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rndc_args=""
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[ -n "$CONTROL_KEY" ] && rndc_args="-k $CONTROL_KEY"
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! "$RNDC" $rndc_args reconfig && echo "ERROR: rndc reconfig failed" >&2 && exit 25
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echo "Ok"
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error=false
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echo -n "Deleting zone files... "
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for view in "${views[@]}"; do
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dns_get_base_config "$view" zone_dir || exit 10
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zone_file="$zone_dir/$zone.zone"
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! rm "$zone_file" && echo "ERROR: unable to delete zone file -- '$zone_file'" >&2 && error=true
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while IFS=$NEWLINE read -r file; do
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! rm "$file" && echo "ERROR: unable to delete zone related file -- '$zone_file'" >&2 && error=true
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done < <(find "$zone_dir" -maxdepth 1 -type f -name "$zone.zone.*")
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done
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! $error && echo "Ok"
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124
lib/dns.sh
124
lib/dns.sh
@@ -4,25 +4,27 @@
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# config variables #
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####################
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if [ -z "${!DNS_KEYS[*]}" ]; then
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declare -A DNS_KEYS=()
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fi
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[ -z "${!DNS_KEYS[*]}" ] && declare -A DNS_KEYS=()
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[ -z "${!BASE_CONFIG[*]}" ] && declare -A BASE_CONFIG=()
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[ -z "${!ZONE_TEMPLATES[*]}" ] && declare -A ZONE_TEMPLATES=()
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DNS_IP=${DNS_IP:-127.0.0.1}
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DIG=${DIG:-$(which dig)} || exit 1
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IDN2=${IDN2:-$(which idn2)} || exit 1
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JQ=${JQ:-$(which jq)} || exit 1
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NAMED_CHECKCONF=${NAMED_CHECKCONF:-$(which named-checkconf)} || exit 1
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NSUPDATE=${NSUPDATE:-$(which nsupdate)} || exit 1
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TERMINAL_WITH=${MAX_TERMINAL_WITH:-$($(which stty) size | cut -d " " -f 2)} || exit 1
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RNDC=${RNDC:-$(which rndc)} || exit 1
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TERMINAL_WITH=${MAX_TERMINAL_WITH:-$($(which stty) size | cut -d " " -f 2)} || exit 1
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####################
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# global variables #
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####################
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# List of managable DNS record types
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declare -a DNS_RECORD_TYPES=("A" "AAAA" "CAA" "CDS" "CNAME" "DS" "MX" "NS" "PTR" "SRV" "TLSA" "TXT")
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declare -a DNS_RECORD_TYPES=("A" "AAAA" "CAA" "CDS" "CNAME" "DNAME" "DS" "MX" "NS" "PTR" "SRV" "TLSA" "TXT")
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# Global variables
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NEWLINE=$'\n'
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@@ -116,7 +118,7 @@ _get_keyfile() {
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return 0
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fi
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echo "ERROR: config: no key found for '$zone@$view' or '$view'" >&2
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echo "ERROR: no key configured for '$zone@$view' or '$view'" >&2
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return 1
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}
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@@ -149,6 +151,31 @@ _nsupdate() {
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}
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#####################
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# general functions #
|
||||
#####################
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||||
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dns_get_base_config() {
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local view=$1
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local zone_dir_retvar=${2:-REPLY}
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local conf_dir_retvar=${3:-REPLY}
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local conf_file_retvar=${4:-REPLY}
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local base_config=${BASE_CONFIG[$view]}
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[ -z "$base_config" ] && echo "ERROR: no base config found for view -- '$view'" >&2 && return 1
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local __zone_dir __conf_dir __conf_file
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IFS=":" read -r __zone_dir __conf_dir __conf_file <<<"$base_config"
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[ -z "$__zone_dir" -o -z "$__conf_dir" -o -z "$__conf_file" ] && echo "ERROR: invalid BASE_CONFIG for view -- '$view'" >&2 && return 2
|
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! [ -d "$__conf_dir" ] && echo "ERROR: conf dir: no such directory -- '$__conf_dir'" >&2 && return 3
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! [ -d "$__zone_dir" ] && echo "ERROR: zone dir: no such directory -- '$__zone_dir'" >&2 && return 4
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||||
|
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declare -g $zone_dir_retvar="$__zone_dir"
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declare -g $conf_dir_retvar="$__conf_dir"
|
||||
declare -g $conf_file_retvar="$__conf_file"
|
||||
}
|
||||
|
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|
||||
#############################
|
||||
# data generation functions #
|
||||
#############################
|
||||
@@ -237,7 +264,6 @@ dns_check_zone() {
|
||||
|
||||
$found && declare -g $retvar="$zone" && return 0
|
||||
|
||||
declare -g $retvar=""
|
||||
echo "ERROR: zone does not exist -- '$zone'" >&2
|
||||
return 2
|
||||
}
|
||||
@@ -257,7 +283,7 @@ dns_check_zone_view() {
|
||||
local zone_view=$1
|
||||
local zone_retvar=$2
|
||||
local view_retvar=$3
|
||||
|
||||
|
||||
local zone view
|
||||
IFS='@' read -r zone view <<<"$zone_view"
|
||||
|
||||
@@ -291,12 +317,49 @@ dns_check_zone_view() {
|
||||
}
|
||||
|
||||
dns_check_zone_name() {
|
||||
local name=${1,,}
|
||||
local zone=${1,,}
|
||||
local retvar=${2:-REPLY}
|
||||
|
||||
[[ "$name" =~ ^[a-z0-9_][a-z0-9_.-]*$ ]] && [[ "$name" != *"." ]] && return 0
|
||||
zone=$("$IDN2" <<<"$zone")
|
||||
if ! [[ "$zone" =~ ^[a-z0-9_][a-z0-9_.-]*$ ]] || [[ "$zone" == *"." ]]; then
|
||||
echo "ERROR: invalid zone name -- '$zone'" >&2
|
||||
return 1
|
||||
fi
|
||||
|
||||
echo "ERROR: invalid zone name -- '$name'" >&2
|
||||
return 1
|
||||
declare -g $retvar="$zone"
|
||||
}
|
||||
|
||||
dns_check_zone_name_view() {
|
||||
local zone_view=${1,,}
|
||||
local zone_retvar=$2
|
||||
local view_retvar=$3
|
||||
|
||||
local zone view
|
||||
IFS='@' read -r zone view <<<"$zone_view"
|
||||
|
||||
dns_check_zone_name "$zone" zone || return 1
|
||||
|
||||
if [ -z "$view" ]; then
|
||||
view=$NAMED_DEFAULT_VIEW
|
||||
elif [ "$view" != "*" ]; then
|
||||
dns_check_view "$view" || return 2
|
||||
fi
|
||||
|
||||
local -a views=()
|
||||
json_array_to_bash views < <(dns_zone_views "$zone")
|
||||
|
||||
if (( ${#views[@]} > 0 )); then
|
||||
if [ "${view}" == "*" ]; then
|
||||
echo "ERROR: zone '$zone' already exists in these views -- '$(join_by ", " "${views[@]}")'" >&2 && return 4
|
||||
else
|
||||
in_array "$view" "${views[@]}" && echo "ERROR: zone '$zone' already exists in view -- '$view'" >&2 && return 5
|
||||
fi
|
||||
fi
|
||||
|
||||
[ -n "$zone_retvar" ] && declare -g $zone_retvar="$zone"
|
||||
[ -n "$view_retvar" ] && declare -g $view_retvar="$view"
|
||||
|
||||
return 0
|
||||
}
|
||||
|
||||
dns_check_record_name() {
|
||||
@@ -308,7 +371,7 @@ dns_check_record_name() {
|
||||
name=$("$IDN2" <<<"$name")
|
||||
|
||||
local LC_ALL=C
|
||||
if [[ "$name" =~ ^[a-z0-9_][a-z0-9_.-]*$ ]] && [[ "$name" != *"." ]]; then
|
||||
if [[ "$name" =~ ^[a-zA-Z0-9_][a-zA-Z0-9_.-]*$ ]] && [[ "$name" != *"." ]]; then
|
||||
declare -g $retvar="$name"
|
||||
return 0
|
||||
fi
|
||||
@@ -464,22 +527,19 @@ dns_select_record_type() {
|
||||
declare -g $retvar="$rtype"
|
||||
}
|
||||
|
||||
dns_read_zone_name() {
|
||||
# TODO
|
||||
exit
|
||||
dns_read_zone_view() {
|
||||
local zone_retvar=$1
|
||||
local view_retvar=$2
|
||||
|
||||
local zone view
|
||||
while [ -z "$zone" ]; do
|
||||
read -e -p "Zone name (ZONE or ZONE@VIEW): " zone
|
||||
[ -n "$zone" ] && ! dns_check_zone_name_view "$zone" zone view && zone=""
|
||||
done
|
||||
echo
|
||||
|
||||
#if [ -n "$zone" ]; then
|
||||
# if ! in_array "$zone" "${zones[@]}"; then
|
||||
# echo "ERROR: unknown zone '$zone'" >&2
|
||||
# return 1
|
||||
# fi
|
||||
#fi
|
||||
#if [ -n "$view" ]; then
|
||||
# if ! in_array "$view" "${views[@]}" ]]; then
|
||||
# echo "ERROR: zone '$zone' is not part of view '$view'" >&2
|
||||
# return 2
|
||||
# fi
|
||||
#fi
|
||||
declare -g $zone_retvar="$zone"
|
||||
declare -g $view_retvar="$view"
|
||||
}
|
||||
|
||||
dns_read_record_name() {
|
||||
@@ -591,3 +651,11 @@ dns_record_delete() {
|
||||
_nsupdate "$zone" "$view" "$update_script" "$pretend"
|
||||
return $?
|
||||
}
|
||||
|
||||
dns_reload_config() {
|
||||
echo -n "Reload Bind config... "
|
||||
rndc_args=""
|
||||
[ -n "$CONTROL_KEY" ] && rndc_args="-k $CONTROL_KEY"
|
||||
! "$RNDC" $rndc_args reconfig && echo "ERROR: rndc reconfig failed" >&2 && return 1
|
||||
echo "Ok"
|
||||
}
|
||||
|
||||
11
templates/zone.config.template
Normal file
11
templates/zone.config.template
Normal file
@@ -0,0 +1,11 @@
|
||||
zone "%ZONE%" {
|
||||
type master;
|
||||
file "%ZONE_FILE%";
|
||||
update-policy {
|
||||
grant dns-manager-key zonesub any;
|
||||
};
|
||||
allow-transfer {
|
||||
key dns-manager-key;
|
||||
};
|
||||
};
|
||||
|
||||
10
templates/zone.template
Normal file
10
templates/zone.template
Normal file
@@ -0,0 +1,10 @@
|
||||
$TTL 86400 ; 1 day
|
||||
@ IN SOA dns1.%ZONE%. hostmaster.%ZONE%. (
|
||||
1 ; serial
|
||||
10800 ; refresh (3 hours)
|
||||
3600 ; retry (1 hour)
|
||||
604800 ; expire (1 week)
|
||||
3600 ; minimum (1 hour)
|
||||
)
|
||||
NS dns1.%ZONE%.
|
||||
NS dns2.%ZONE%.
|
||||
Reference in New Issue
Block a user