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Fixed raw packets in the buffer pre-ban still getting processed post-ban

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This commit is contained in:
Dylan K. Taylor 2019-03-24 18:26:52 +00:00
parent 6990d6239e
commit d0940e4be2
1 changed files with 14 additions and 0 deletions
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14
src/pocketmine/network/Network.php
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@ -33,6 +33,8 @@ use function bin2hex;
use function get_class;
use function preg_match;
use function spl_object_id;
use function time;
use const PHP_INT_MAX;
class Network{
/** @var NetworkInterface[] */
@ -44,6 +46,9 @@ class Network{
/** @var RawPacketHandler[] */
private $rawPacketHandlers = [];
/** @var int[] */
private $bannedIps = [];
private $upload = 0;
private $download = 0;
@ -118,6 +123,9 @@ class Network{
if($interface instanceof AdvancedNetworkInterface){
$this->advancedInterfaces[$hash] = $interface;
$interface->setNetwork($this);
foreach($this->bannedIps as $ip => $until){
$interface->blockAddress($ip);
}
}
$interface->setName($this->name);
}
@ -179,12 +187,14 @@ class Network{
* @param int $timeout
*/
public function blockAddress(string $address, int $timeout = 300) : void{
$this->bannedIps[$address] = $timeout > 0 ? time() + $timeout : PHP_INT_MAX;
foreach($this->advancedInterfaces as $interface){
$interface->blockAddress($address, $timeout);
}
}
public function unblockAddress(string $address) : void{
unset($this->bannedIps[$address]);
foreach($this->advancedInterfaces as $interface){
$interface->unblockAddress($address);
}
@ -220,6 +230,10 @@ class Network{
* @param string $packet
*/
public function processRawPacket(AdvancedNetworkInterface $interface, string $address, int $port, string $packet) : void{
if(isset($this->bannedIps[$address]) and time() < $this->bannedIps[$address]){
$this->logger->debug("Dropped raw packet from banned address $address $port");
return;
}
$handled = false;
foreach($this->rawPacketHandlers as $handler){
if(preg_match($handler->getPattern(), $packet) === 1){