X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=disabled%2Fhome-vpn%2Flan-dyn-dns-update;fp=disabled%2Fhome-vpn%2Flan-dyn-dns-update;h=0000000000000000000000000000000000000000;hb=ef3bbffe6d2a08ebd735ba4f09c7bd0fbea585a0;hp=0f17eb1b3fcb119431328d3fac280a1895b05abb;hpb=6d1ec26482f86b0f2d9560ce3d04ea8c63297c25;p=distro-setup diff --git a/disabled/home-vpn/lan-dyn-dns-update b/disabled/home-vpn/lan-dyn-dns-update deleted file mode 100644 index 0f17eb1..0000000 --- a/disabled/home-vpn/lan-dyn-dns-update +++ /dev/null @@ -1,48 +0,0 @@ -#!/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. - - -# usage: I run this script on a timer to correct the dns on wrt for -# clients where dns is updated dynamically by openvpn, in the case that -# openvpn crashes or the computer running openvpn crashes. - -set -eE -o pipefail -trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR - -x="$(readlink -f "$BASH_SOURCE")"; cd ${x%/*} # directory of this file - -while read -r ip host; do - found=false - is_connected="grep -q "^CLIENT_LIST,$host," /run/openvpn-server/status-server.log" - if $is_connected; then continue; fi - if ! grep -q "^CLIENT_LIST,$host," /run/openvpn-server/status-server.log; then - cd $(mktemp -d); dir=$PWD - ssh wrt tar -C /etc -c hosts | tar -x - if grep -qFx "$ip $host" hosts; then continue; fi - # openvpn udpates its status file every 60 seconds by default - if (( $(stat -c%Y hosts) > EPOCHSECONDS + 60 )); then - sleep 60 - if $is_connected; then continue; fi - fi - ssh root@wrt.b8.nz cedit ovpn-$host <<<"$ip $host" || [[ $? == 1 ]] - fi -done