#!/bin/bash
+# I, Ian Kelling, follow the GNU license recommendations at
+# https://www.gnu.org/licenses/license-recommendations.en.html. They
+# recommend that small programs, < 300 lines, be licensed under the
+# Apache License 2.0. This file contains or is part of one or more small
+# programs. If a small program grows beyond 300 lines, I plan to switch
+# its license to GPL.
+
+# Copyright 2024 Ian Kelling
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+# http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
set -e; . /usr/local/lib/bash-bear; set +e
[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
case $gateway in
10.2.0.1)
dyndomain=b8.nz
- dynhost=i.b8.nz
;;
*)
return 0
if $athome; then
- if ! cur4="$(dig +short $dynhost @iankelling.org | tail -1)"; then
+ if ! cur4="$(dig +short $dyndomain @iankelling.org | tail -1)"; then
if [[ ! $INVOCATION_ID ]]; then
echo "$0: dig failed. internet looks down. giving up"
fi
if $up4; then
cat >>$tmpf <<EOF
-update delete $dynhost. A
-update add $dynhost. 300 A $ip4
update delete $dyndomain. A
update add $dyndomain. 300 A $ip4
EOF