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Added RCON protocol

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Shoghi Cervantes Pueyo
2013-04-22 14:22:52 +02:00
parent 70056b8d1f
commit 1cb3e25bf9
3 changed files with 217 additions and 8 deletions
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src/utils/RCON.php Normal file
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<?php
/*
-
/ \
/ \
/ PocketMine \
/ MP \
|\ @shoghicp /|
|. \ / .|
| .. \ / .. |
| .. | .. |
| .. | .. |
\ | /
\ | /
\ | /
\ | /
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
*/
class RCON{
private $socket, $password, $workers, $threads;
public function __construct($password, $port = 19132, $threads = 1){
$this->workers = array();
$this->password = (string) $password;
console("[INFO] Starting remote control listener");
if($this->password === ""){
console("[ERROR] RCON can't be started: Empty password");
return;
}
$this->threads = (int) max(1, $threads);
$this->socket = socket_create_listen((int) $port);
if($this->socket === false){
console("[ERROR] RCON can't be started: ".socket_strerror(socket_last_error()));
return;
}
@socket_set_nonblock($this->socket);
for($n = 0; $n < $this->threads; ++$n){
$this->workers[$n] = new RCONInstance($this->socket, $this->password);
}
@socket_getsockname($this->socket, $addr, $port);
console("[INFO] RCON running on $addr:$port");
ServerAPI::request()->schedule(2, array($this, "check"), array(), true);
}
public function stop(){
for($n = 0; $n < $this->threads; ++$n){
$this->workers[$n]->close();
$this->workers[$n]->join();
}
@socket_close($this->socket);
$this->threads = 0;
}
public function check(){
for($n = 0; $n < $this->threads; ++$n){
if($this->workers[$n]->isTerminated() === true){
$this->workers[$n] = new RCONInstance($this->socket, $this->password);
}elseif($this->workers[$n]->isWaiting()){
if($this->workers[$n]->response !== ""){
console($this->workers[$n]->response);
$this->workers[$n]->notify();
}else{
$this->workers[$n]->response = ServerAPI::request()->api->console->run($this->workers[$n]->cmd, "console");
$this->workers[$n]->notify();
}
}
}
}
}
class RCONInstance extends Thread{
public $stop;
public $cmd;
public $response;
private $socket;
private $password;
private $status;
private $client;
public function __construct($socket, $password){
$this->stop = false;
$this->cmd = "";
$this->response = "";
$this->socket = $socket;
$this->password = $password;
$this->status = 0;
$this->start();
}
private function writePacket($requestID, $packetType, $payload){
return socket_write($this->client, Utils::writeLInt(strlen($payload)).Utils::writeLInt((int) $requestID).Utils::writeLInt((int) $packetType).($payload === "" ? "\x00":$payload)."\x00");
}
private function readPacket(&$size, &$requestID, &$packetType, &$payload){
@socket_set_nonblock($this->client);
while(true){
usleep(1);
$d = socket_read($this->client, 4);
if($this->stop === true){
return false;
}elseif($d === false){
continue;
}elseif($d === ""){
return false;
}
break;
}
@socket_set_block($this->client);
$size = Utils::readLInt($d);
if($size < 0){
return false;
}
$requestID = Utils::readLInt(socket_read($this->client, 4));
$packetType = Utils::readLInt(socket_read($this->client, 4));
$payload = rtrim(socket_read($this->client, $size + 2)); //Strip two null bytes
return true;
}
public function close(){
$this->stop = true;
$this->status = -1;
}
public function run(){
while($this->stop !== true){
usleep(1000);
if(($this->client = socket_accept($this->socket)) !== false){
socket_set_block($this->client);
socket_set_option($this->client, SOL_SOCKET, SO_KEEPALIVE, 1);
while($this->status !== -1 and $this->stop !== true){
if($this->readPacket($size, $requestID, $packetType, $payload) === false){
$this->status = -1;
break;
}
switch($packetType){
case 3: //Login
if($this->status !== 0){
$this->status = -1;
continue;
}
if($payload === $this->password){
@socket_getpeername($this->client, $addr, $port);
$this->response = "[INFO] Successful Rcon connection from: /$addr:$port";
$this->wait();
$this->response = "";
$this->writePacket($requestID, 2, "");
$this->status = 1;
}else{
$this->status = -1;
$this->writePacket(-1, 2, "");
continue;
}
break;
case 2: //Command
if($this->status !== 1){
$this->status = -1;
continue;
}
if(strlen($payload) > 0){
$this->cmd = ltrim($payload);
$this->wait();
$this->writePacket($requestID, 0, str_replace("\n", "\r\n", trim($this->response)));
$this->response = "";
$this->cmd = "";
}
break;
}
usleep(1);
}
@socket_set_option($this->client, SOL_SOCKET, SO_LINGER, array("l_onoff" => 1, "l_linger" => 1));
@socket_shutdown($this->client, 2);
@socket_set_block($this->client);
@socket_read($this->client, 1);
@socket_close($this->client);
$this->status = 0;
}
}
unset($this->client, $this->socket, $this->cmd, $this->response, $this->stop, $this->status);
exit(0);
}
}