index.php
· 1.6 KiB · PHP
Raw
<?php
$myip = null;
$hostname = null;
$type = null;
$user = null;
$password = null;
$myzone = 'example.com';
$myserver = 'nameserver.example.com';
$AUTH_MAP = array(
"foo.$myzone" => array( 'user' => 'bar', 'password' => 'mysecret', 'ipv6' => false ),
);
if ( isset($_GET['hostname']) ) {
if ( isset($AUTH_MAP[$_GET['hostname']]) ) {
$hostname = $_GET['hostname'];
} else {
echo "nohost\n";
exit;
}
} else {
echo "911\n";
exit;
}
if ( isset($_GET['myip']) && filter_var($_GET['myip'], FILTER_VALIDATE_IP) ) {
$myip = $_GET['myip'];
} else {
$myip = $_SERVER['REMOTE_ADDR'];
}
if ( $AUTH_MAP[$hostname]['ipv6'] && filter_var($myip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) ) {
$type = 'AAAA';
} elseif ( filter_var($myip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) ) {
$type = 'A';
} else {
echo "911\n";
exit;
}
if ( isset($_SERVER['PHP_AUTH_USER']) ) {
$user = $_SERVER['PHP_AUTH_USER'];
} else {
echo "badauth\n";
exit;
}
if ( isset($_SERVER['PHP_AUTH_PW']) ) {
$password = $_SERVER['PHP_AUTH_PW'];
} else {
echo "badauth\n";
exit;
}
if ( ($AUTH_MAP[$hostname]['user'] == $user) && ($AUTH_MAP[$hostname]['password'] == $password) ) {
shell_exec("/usr/bin/nsupdate -k /www/Kexample.com.+247+89651.private <<EOF
server $myserver
zone $myzone
update delete $hostname. $type
update add $hostname. 30 $type $myip
send
EOF
");
echo "good $myip\n";
} else {
echo "badauth\n";
exit;
}
if ( isset($_GET['debug']) ) {
echo "user: $user, password: $password, hostname: $hostname, myip: $myip, type: $type\n";
}
?>
| 1 | <?php |
| 2 | |
| 3 | $myip = null; |
| 4 | $hostname = null; |
| 5 | $type = null; |
| 6 | $user = null; |
| 7 | $password = null; |
| 8 | $myzone = 'example.com'; |
| 9 | $myserver = 'nameserver.example.com'; |
| 10 | |
| 11 | $AUTH_MAP = array( |
| 12 | "foo.$myzone" => array( 'user' => 'bar', 'password' => 'mysecret', 'ipv6' => false ), |
| 13 | ); |
| 14 | |
| 15 | if ( isset($_GET['hostname']) ) { |
| 16 | if ( isset($AUTH_MAP[$_GET['hostname']]) ) { |
| 17 | $hostname = $_GET['hostname']; |
| 18 | } else { |
| 19 | echo "nohost\n"; |
| 20 | exit; |
| 21 | } |
| 22 | } else { |
| 23 | echo "911\n"; |
| 24 | exit; |
| 25 | } |
| 26 | |
| 27 | if ( isset($_GET['myip']) && filter_var($_GET['myip'], FILTER_VALIDATE_IP) ) { |
| 28 | $myip = $_GET['myip']; |
| 29 | } else { |
| 30 | $myip = $_SERVER['REMOTE_ADDR']; |
| 31 | } |
| 32 | |
| 33 | if ( $AUTH_MAP[$hostname]['ipv6'] && filter_var($myip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) ) { |
| 34 | $type = 'AAAA'; |
| 35 | } elseif ( filter_var($myip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) ) { |
| 36 | $type = 'A'; |
| 37 | } else { |
| 38 | echo "911\n"; |
| 39 | exit; |
| 40 | } |
| 41 | |
| 42 | if ( isset($_SERVER['PHP_AUTH_USER']) ) { |
| 43 | $user = $_SERVER['PHP_AUTH_USER']; |
| 44 | } else { |
| 45 | echo "badauth\n"; |
| 46 | exit; |
| 47 | } |
| 48 | |
| 49 | if ( isset($_SERVER['PHP_AUTH_PW']) ) { |
| 50 | $password = $_SERVER['PHP_AUTH_PW']; |
| 51 | } else { |
| 52 | echo "badauth\n"; |
| 53 | exit; |
| 54 | } |
| 55 | |
| 56 | if ( ($AUTH_MAP[$hostname]['user'] == $user) && ($AUTH_MAP[$hostname]['password'] == $password) ) { |
| 57 | shell_exec("/usr/bin/nsupdate -k /www/Kexample.com.+247+89651.private <<EOF |
| 58 | server $myserver |
| 59 | zone $myzone |
| 60 | update delete $hostname. $type |
| 61 | update add $hostname. 30 $type $myip |
| 62 | send |
| 63 | EOF |
| 64 | "); |
| 65 | echo "good $myip\n"; |
| 66 | } else { |
| 67 | echo "badauth\n"; |
| 68 | exit; |
| 69 | } |
| 70 | |
| 71 | if ( isset($_GET['debug']) ) { |
| 72 | echo "user: $user, password: $password, hostname: $hostname, myip: $myip, type: $type\n"; |
| 73 | } |
| 74 | |
| 75 | ?> |