mirror of
https://github.com/fernwerker/ownDynDNS.git
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5aeaa214c5
new file: dnsapi.php new file: update.php initial commit with working update.php and dnsapi.php by netcup
145 lines
4.1 KiB
PHP
Executable file
145 lines
4.1 KiB
PHP
Executable file
<?php
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require_once "dnsapi.php";
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//
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// CONFIG SECTION
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// Info:
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// Hostname record needs to exist before script is working
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// This script will not create missing hostnames in the DNS zone
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//
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$username = "dyndns.username";
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$password = "secret";
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$dataFile = "data.json";
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$debug = false;
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// netcup API information
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$apiKey = "netcup DNS API Key";
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$apiPassword = "netcup DNS API Password";
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$customerId = "netcup customer id";
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//
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// NO CONFIGURATION BEYOND THIS LINE
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//
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$getUsername = $_GET['user'];
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$getPassword = $_GET['password'];
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$getDomain = $_GET['domain'];
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$getIpv4 = $_GET['ipv4'];
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$getIpv6 = $_GET['ipv6'];
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// FUNCTIONS
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// is called to write dataFile and exit
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function write_and_exit(){
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global $dataFile, $data;
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if(!@file_put_contents($dataFile, json_encode($data))){
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echo("[ERROR] unable to write $dataFile <br>");
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}
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exit();
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}
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// is called to append log to data object and enable debug output
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function logging($text){
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global $data, $debug, $getDomain;
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array_push($data[$getDomain]['log'], $text);
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if($debug == true){
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echo("[DEBUG] $text <br>");
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}
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}
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// function to get domain and reduce host from it
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function reduceHost($domain){
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$domainParts = explode('.', $domain);
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array_shift($domainParts);
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$tld = implode('.', $domainParts);
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return $tld;
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}
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// INIT
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if($debug == true){
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error_reporting( E_ALL );
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ini_set('display_errors', 1);
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}
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// PRESET VALIDATION
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// get data from object, create if not existent
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if(file_exists($dataFile)){
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$data = json_decode(@file_get_contents($dataFile), true);
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} else {
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touch($dataFile);
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}
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// check for domain parameter and exit if NULL
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if(empty($getDomain)){
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logging("no domain given. exiting...");
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write_and_exit();
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}
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// init log array
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$data[$getDomain]['log'] = [];
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// authenticate, store number of failed logins
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if($getUsername != $username or $getPassword != $password){
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logging("authentication failed. exiting...");
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$data[$getDomain]['failed_logins']++;
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write_and_exit();
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} else {
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$data[$getDomain]['failed_logins']=0;
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}
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// DOMAIN SPECIFIC PROCESSING
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// write current timestamp to data array
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$data[$getDomain]['timestamp'] = time();
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// validate IP addresses (v4 and v6) and write to data array
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if(filter_var($getIpv4, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)){
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logging("valid IPv4");
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// write to data array
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$data[$getDomain]['ipv4'] = $getIpv4;
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} else {
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logging("no valid IPv4");
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// write to data array
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$data[$getDomain]['ipv4'] = NULL;
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}
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if(filter_var($getIpv6, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)){
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logging("valid IPv6");
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// write to data array
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$data[$getDomain]['ipv6'] = $getIpv6;
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} else {
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logging("no valid IPv6");
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// write to data array
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$data[$getDomain]['ipv6'] = NULL;
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}
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if($data[$getDomain]['ipv4'] == NULL && $data[$getDomain]['ipv6'] == NULL){
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logging("no valid IP found");
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write_and_exit();
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}
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// broadcast new IP to DNS API
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$clientRequestId = md5($getDomain);
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$dnsClient = new DomainWebserviceSoapClient();
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$clientHandle = $dnsClient->login($customerId, $apiKey, $apiPassword, $clientRequestId);
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$infoHandle = $dnsClient->infoDnsRecords(reduceHost($getDomain), $customerId, $apiKey, $clientHandle->responsedata->apisessionid, $clientRequestId);#
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$dnsrecords = $infoHandle->responsedata->dnsrecords;
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foreach($dnsrecords as $key => &$record){
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// write IPv4 update set if valid address and existent record
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if($record->hostname == explode('.', "$getDomain")[0] && $record->type == "A" && $data[$getDomain]['ipv4'] != NULL){
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$record->destination = $data[$getDomain]['ipv4'];
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}
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// write IPv6 update set if valid address and existent record
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if($record->hostname == explode('.', "$getDomain")[0] && $record->type == "AAAA" && $data[$getDomain]['ipv6'] != NULL){
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$record->destination = $data[$getDomain]['ipv6'];
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}
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}
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//$clientHandle->clientrequestid = md5(microtime(true));
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$recordSet = new Dnsrecordset();
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$recordSet->dnsrecords = $dnsrecords;
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$updateHandle = $dnsClient->updateDnsRecords(reduceHost($getDomain), $customerId, $apiKey, $clientHandle->responsedata->apisessionid, $clientRequestId, $recordSet);
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logging("dns recordset updated");
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$result = $dnsClient->logout($customerId, $apiKey, $clientHandle->responsedata->apisessionid, $clientRequestId);
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logging("api logout");
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// finish
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write_and_exit();
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?>
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