<?php
header("Content-type: text/plain");
-if($_GET['token'] != "<here a secure password>"){
- die ();
+define("ZONENAME", "cacert.dyn.dogcraft.de");
+define("KEYNAME", "keys/Kcacert.dyn.dogcraft.de.+165+54687.key");
+
+if(!isset($_GET['token']) || !isset($_GET['t1']) || !isset($_GET['t2']) || !isset($_GET['action'])){
+ die("Error");
+}
+if($_GET['token'] != "rD1m3A9ew6Hs4DIv7lnTxNbR6dr"){
+ die ();
}
$t1 = $_GET['t1'];
$t2 = $_GET['t2'];
-if(!preg_match("/[a-zA-Z0-9]+/", $t1) || !preg_match("/[a-zA-Z0-9]+/", $t2)){
+if(!preg_match("/^[a-zA-Z0-9]+$/", $t1) || !preg_match("/^[a-zA-Z0-9]+$/", $t2)){
die("Error");
}
+$todelete = array();
-$call = <<<EOF
-server localhost
-update delete cacert-{$t1}.<your fakezone here> TXT
-update add cacert-{$t1}.<your fakezone here> 60 TXT {$t2}
-send
-quit
+if(file_exists("data.php")){
+ include ("data.php");
+}
-EOF;
-echo $call;
+$time = time()/60;
+if(!isset($todelete[$time])){
+ $todelete[$time] = array();
+}
+
+$dnscalls = "";
-$nsupdate = popen("/usr/bin/nsupdate -k <here your dnssec key>.key", 'w');
-fwrite($nsupdate, $call);
-$retval = pclose($nsupdate); // nsupdate doesn't return anything useful when called this way
+if($_GET['action'] == "http"){
+ $todelete[$time][] = array("http", $t1);
+ file_put_contents("cacert-$t1.txt", $t2);
+} else if($_GET['action'] == "dns") {
+ $todelete[$time][] = array("dns", $t1);
+ $dnscalls .= "update delete {$t1}._cacert._auth." . ZONENAME . " TXT\n"
+ ."update add {$t1}._cacert._auth." . ZONENAME . " 60 TXT {$t2}\n";
+}
+$copy = $todelete;
+foreach($copy as $nt => $ar){
+ if($nt < $time - 2){
+ unset($todelete[$nt]);
+ foreach($ar as $act){
+ if($act[0] == "http"){
+ unlink("cacert-{$act[1]}.txt");
+ } else if($act[0] == "dns") {
+ $dnscalls .= "update delete {$act[1]}._cacert._auth." . ZONENAME . " TXT\n";
+ }
+ }
+ }
+}
+file_put_contents("data.php", "<?php \$todelete = ".var_export($todelete,true).";\n?>");
+
+if($dnscalls != ""){
+ dnsAction($dnscalls);
+}
+
+function dnsAction($command) {
+ $call = "server localhost\n$command\nsend\nquit\n";
+
+ $nsupdate = popen("/usr/bin/nsupdate -k " . KEYNAME, 'w');
+ fwrite($nsupdate, $call);
+ $retval = pclose($nsupdate); // nsupdate doesn't return anything useful when called this way
+}
-?>