Eigenen DynDNS Server: Unterschied zwischen den Versionen

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<pre>
<pre>
<?php
<?php
 
$mysqli = new mysqli("127.0.0.1", "powerdns", "<password>", "powerdns_admin");
$mysqli = new mysqli("127.0.0.1", "powerdns", "M7kWxyTCct", "ddns");


/* check connection */
/* check connection */
if (mysqli_connect_errno()) {
if (mysqli_connect_errno()) {
   die("Verbindung fehlgeschlagen: " . $mysqli->connect_error);
   die("Verbindung fehlgeschlagen: " . mysqli_connect_error());
}
}
 
$pass1=$mysqli->real_escape_string($_GET['pass']);
$host = mysqli_real_escape_string($mysqli, $_GET['host']);
//$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
$pass1 = mysqli_real_escape_string($mysqli, $_GET['pass']);
$ip=$_SERVER['REMOTE_ADDR'];
 
$host=$mysqli->real_escape_string($_GET['host']);
/* Select queries return a resultset */
if ($query = $mysqli->query("SELECT password FROM ddns_hosts WHERE hostname = '" . $host . "'")) {
switch ($host) {
  if ($row = mysqli_fetch_assoc($query)) {
case "zuhause":
    $pass2 = $row["password"];
  $pass2="abc123";
   } else {
   break;
    invalidCredentials();
default:
  }
   $pass2=FALSE;
 
   break;
  /* free result set */
   $query->close();
} else {
   printf("Invalid query: %s\nWhole query: %s\n", $mysqli->error, $pass2);
}
}
 
if (($pass1 != $pass2) OR (!$pass2)) {
if ($pass1 != $pass2) {
   echo "Falsches Passwort oder unbekannter Host";
  invalidCredentials();
   exit;
} else {
}
   /* change db to powerdns_admin db */
  $mysqli->select_db("powerdns_admin");
 
   if (!$ip=$_SERVER['HTTP_X_FORWARDED_FOR']) {
    $ip=$_SERVER['REMOTE_ADDR'];
  }
 
printf("IP = %s\n", $ip);
 
//$domain=$host.".dyn.klenzel.de";
//$domain=$host.".dyn.klenzel.de";
//$domain2="*.".$domain;
//$domain2="*.".$domain;
Zeile 60: Zeile 70:
//$result1=mysql_query("UPDATE records SET content='$ip' WHERE name='$domain';");
//$result1=mysql_query("UPDATE records SET content='$ip' WHERE name='$domain';");
//$result2=mysql_query("UPDATE records SET content='$ip' WHERE name='$domain2';");
//$result2=mysql_query("UPDATE records SET content='$ip' WHERE name='$domain2';");
}
 
function invalidCredentials() {
  die("Falsches Passwort oder unbekannter Host");     
}
?>
?>
</pre>
</pre>

Version vom 2. Februar 2020, 14:18 Uhr

Noch in Bearbeitung


Script

Datenbank erstellen

create database if not exists ddns;
grant all on ddns.* to 'powerdns'@'localhost';

CREATE TABLE ddns_hosts (
  id INT NOT NULL AUTO_INCREMENT,
  hostname VARCHAR(64) NOT NULL,
  password VARCHAR(64) NOT NULL,
  PRIMARY KEY (id)
);

INSERT INTO ddns_hosts ( hostname, password ) VALUES ( 'zuhause', 'abc123' );

Script

<?php

$mysqli = new mysqli("127.0.0.1", "powerdns", "M7kWxyTCct", "ddns");

/* check connection */
if (mysqli_connect_errno()) {
  die("Verbindung fehlgeschlagen: " .  mysqli_connect_error());
}

$host = mysqli_real_escape_string($mysqli, $_GET['host']);
$pass1 = mysqli_real_escape_string($mysqli, $_GET['pass']);

/* Select queries return a resultset */
if ($query = $mysqli->query("SELECT password FROM ddns_hosts WHERE hostname = '" . $host . "'")) {
  if ($row = mysqli_fetch_assoc($query)) {
    $pass2 = $row["password"];
  } else {
    invalidCredentials();
  }

  /* free result set */
  $query->close();
} else {
  printf("Invalid query: %s\nWhole query: %s\n", $mysqli->error, $pass2);
}

if ($pass1 != $pass2) {
  invalidCredentials();
} else {
  /* change db to powerdns_admin db */
  $mysqli->select_db("powerdns_admin");

  if (!$ip=$_SERVER['HTTP_X_FORWARDED_FOR']) {
    $ip=$_SERVER['REMOTE_ADDR'];
  }

printf("IP = %s\n", $ip);

//$domain=$host.".dyn.klenzel.de";
//$domain2="*.".$domain;
 
//$result1=mysql_query("UPDATE records SET content='$ip' WHERE name='$domain';");
//$result2=mysql_query("UPDATE records SET content='$ip' WHERE name='$domain2';");
}

function invalidCredentials() {
  die("Falsches Passwort oder unbekannter Host");       
} 
?>



http://ddns1.kirner.or.at/?host=zuhause&pass=abc123

Mit PowerDNS

PowerDNS nsupdate

Links

https://klenzel.de/1575

https://www.debacher.de/wiki/Mein_eigenes_DynDNS

https://controlc.de/2013/09/10/debian-selbstgehosteter-dyndns-dienst/

https://controlc.de/2014/08/25/debian-selbstgehosteter-dyndns-dienst-der-client-teil/#more-2532)

http://www.keentech.de/2013/11/der-eigene-selbstgehostete-dynamische-dns-service/

http://nicht-traeumen-sondern-machen.de/RaspberryPi_Basteleien/DynDNS_mit_Fritzbox.php


Zurück zu Ubuntu

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