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Data packet handling!!!

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This commit is contained in:
Shoghi Cervantes Pueyo 2012-11-21 23:19:16 +01:00
parent 668994b5a4
commit aae04b8dfd
11 changed files with 184 additions and 54 deletions
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93
classes/CustomPacketHandler.class.php
View File

@ -26,7 +26,7 @@ the Free Software Foundation, either version 3 of the License, or
*/
class CustomPacketHandler{
var $data, $name = "";
var $offset, $raw, $c, $data, $name = "";
private function get($len = true, $check = true){
if($len === true){
@ -49,48 +49,95 @@ class CustomPacketHandler{
$this->offset = 0;
$this->c = (bool) $create;
switch($pid){
case 0x400090:
case "clientHandshake":
$this->name = "clientHandshake";
case 0x60:
case 0x40:
if($this->c === false){
$this->data["counter"] = Utils::readTriad($this->get(3));
$this->data["id"] = ord($this->get(1));
if($pid === 0x60){
$this->data["unknown1"] = $this->get(4);
}
$this->data["packets"] = array();
while($this->offset < strlen($this->raw)){
$id = ord($this->get(1));
$raw = $this->get(true);
$pk = new CustomPacketHandler($id, $raw);
$pk->data["id"] = $id;
$pk->data["packetName"] = $pk->name;
$this->data["packets"][] = array($pid, $pk->data, $raw);
}
}
break;
case 0x82:
if($this->c === false){
$this->data["username"] = $this->get(Utils::readShort($this->get(2), false));
$this->data["unknown1"] = $this->get(5);
}else{
$this->raw .= Utils::writeShort(strlen($this->data["username"])).$this->data["username"];
$this->raw .= "\x00\x00\x00\x08\x00";
}
break;
break;
case 0x09:
if($this->c === false){
$this->data["clientID"] = $this->get(8);
$this->data["unknown1"] = $this->get(1);
$this->data["unknown2"] = $this->get(4);
$this->data["session"] = $this->get(4);
}else{
$this->raw .= Utils::writeTriad(0); //counter
$this->raw .= chr(9);
$this->raw .= $this->data["clientID"];
$this->raw .= "\x00";
$this->raw .= "\x00\x00\x00\x00";
$this->raw .= $this->data["session"];
}
break;
case 0x600300:
case "serverHandshake":
$this->name = "serverHandshake";
case 0x10:
if($this->c === false){
$this->data["counter"] = Utils::readTriad($this->get(3));
$this->data["id"] = ord($this->get(1));
$this->data["unknown1"] = $this->get(4);
$this->data["cookie"] = $this->get(4); // 043f57ff
$this->data["unknown2"] = ord($this->get(1));
$this->data["port"] = Utils::readShort($this->get(2));
$this->data["dataArray"] = Utils::readDataArray($this->get(true, false), 10);
$this->data["unknown3"] = $this->get(1);
$this->data["unknown4"] = $this->get(4);
$this->data["unknown1"] = $this->get(1);
$this->data["port"] = Utils::readShort($this->get(2), false);
$this->data["dataArray"] = Utils::readDataArray($this->get(true, false), 10, $offset);
$this->get($offset);
$this->data["unknown2"] = $this->get(7);
$this->data["session"] = $this->get(4);
$this->data["unknown5"] = $this->get(8);
$this->data["unknown3"] = $this->get(7);
}else{
$this->raw .= Utils::writeTriad(0); //counter
$this->raw .= chr(0);
$this->raw .= "\x00\x00\x00\x10";
$this->raw .= "\x04\x3f\x57\xff";
$this->raw .= "\x00";
$this->raw .= "\x7f";
$this->raw .= Utils::writeShort($this->data["port"]);
$this->raw .= Utils::writeDataArray(array(
"\x80\xff\xff\xfe",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
"\xff\xff\xff\xff",
));
$this->raw .= "\x00\x00\x00\x00\x00\x00\x00";
$this->raw .= $this->data["session"];
$this->raw .= "\x00\x00\x00\x00\x00\x00\x00";
}
break;
case 0x13:
if($this->c === false){
$this->data["cookie"] = $this->get(4); // 043f57ff
$this->data["unknown1"] = $this->get(1);
$this->data["port"] = Utils::readShort($this->get(2), false);
$this->data["dataArray0"] = $this->get(ord($this->get(1)));
$this->data["dataArray"] = Utils::readDataArray($this->get(true, false), 9, $offset);
$this->get($offset);
$this->data["unknown2"] = $this->get(13);
}else{
$this->raw .= "\x04\x3f\x57\xff";
$this->raw .= "\x3d";
$this->raw .= Utils::writeShort($this->data["port"]);
$w = array_shift($this->data["dataArray"]);
$this->raw .= chr(strlen($w)).$w;
$this->raw .= Utils::writeDataArray($this->data["dataArray"]);
$this->raw .= "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
}
break;
}

36
classes/MinecraftInterface.class.php
View File

@ -26,7 +26,7 @@ the Free Software Foundation, either version 3 of the License, or
*/
class MinecraftInterface{
var $pstruct, $name, $server, $protocol, $client;
var $pstruct, $name, $server, $protocol, $client, $buffer;
function __construct($server, $protocol = CURRENT_PROTOCOL, $port = 25565, $listen = false, $client = true){
$this->server = new Socket($server, $port, (bool) $listen);
@ -35,7 +35,9 @@ class MinecraftInterface{
require("pstruct/packetName.php");
$this->pstruct = $pstruct;
$this->name = $packetName;
$this->buffer = array();
$this->client = (bool) $client;
$this->start = microtime(true);
}
public function close(){
@ -51,7 +53,7 @@ class MinecraftInterface{
protected function writeDump($pid, $raw, $data, $origin = "client", $ip = "", $port = 0){
if(LOG === true and DEBUG >= 2){
$p = "[".microtime(true)."] [".((($origin === "client" and $this->client === true) or ($origin === "server" and $this->client === false)) ? "CLIENT->SERVER":"SERVER->CLIENT")." ".$ip.":".$port."]: ".$this->name[$pid]." (0x".Utils::strTohex(chr($pid)).") [lenght ".strlen($raw)."]".PHP_EOL;
$p = "[".(microtime(true) - $this->start)."] [".((($origin === "client" and $this->client === true) or ($origin === "server" and $this->client === false)) ? "CLIENT->SERVER":"SERVER->CLIENT")." ".$ip.":".$port."]: ".$this->name[$pid]." (0x".Utils::strTohex(chr($pid)).") [lenght ".strlen($raw)."]".PHP_EOL;
$p .= Utils::hexdump($raw);
if(is_array($data)){
foreach($data as $i => $d){
@ -64,7 +66,11 @@ class MinecraftInterface{
}
public function readPacket($port = false){
public function readPacket(){
$p = $this->popPacket();
if($p !== false){
return $p;
}
if($this->server->connected === false){
//return array("pid" => "ff", "data" => array(0 => 'Connection error'));
}
@ -80,7 +86,7 @@ class MinecraftInterface{
$struct = $this->getStruct($pid);
if($struct === false){
console("[ERROR] Bad packet id 0x".Utils::strTohex(chr($pid)), true, true, 0);
$p = "[".microtime(true)."] [".((($origin === "client" and $this->client === true) or ($origin === "server" and $this->client === false)) ? "CLIENT->SERVER":"SERVER->CLIENT")." ".$ip.":".$port."]: Error, bad packet id 0x".Utils::strTohex(chr($pid))." [lenght ".strlen($raw)."]".PHP_EOL;
$p = "[".(microtime(true) - $this->start)."] [".((($origin === "client" and $this->client === true) or ($origin === "server" and $this->client === false)) ? "CLIENT->SERVER":"SERVER->CLIENT")." ".$ip.":".$port."]: Error, bad packet id 0x".Utils::strTohex(chr($pid))." [lenght ".strlen($raw)."]".PHP_EOL;
$p .= Utils::hexdump($data[0]);
$p .= PHP_EOL;
logg($p, "packets", true, 2);
@ -94,9 +100,25 @@ class MinecraftInterface{
$packet = new Packet($pid, $struct, $data[0]);
$packet->protocol = $this->protocol;
$packet->parse();
$this->writeDump($pid, $data[0], $packet->data, "server", $data[1], $data[2]);
return array("pid" => $pid, "data" => $packet->data, "raw" => $data[0], "ip" => $data[1], "port" => $data[2]);
$packet->parse();
$this->data[] = array($pid, $packet->data, $data[0], $data[1], $data[2]);
if(isset($packet->data["packets"]) and is_array($packet->data["packets"])){
foreach($packet->data["packets"] as $p){
$this->data[] = array($pid, $p[1], $p[2], $data[1], $data[2]);
}
}
return $this->popPacket();
}
public function popPacket(){
if(count($this->data) > 0){
$p = array_shift($this->data);
$c = (isset($p[1]["id"]) ? true:false);
$p[2] = $c ? chr($p[1]["id"]).$p[2]:$p[2];
$this->writeDump(($c ? $p[1]["id"]:$p[0]), $p[2], $p[1], "server", $p[3], $p[4]);
return array("pid" => $p[0], "data" => $p[1], "raw" => $p[2], "ip" => $p[3], "port" => $p[4]);
}
return false;
}
public function writePacket($pid, $data = array(), $raw = false, $dest = false, $port = false){

13
classes/Packet.class.php
View File

@ -71,7 +71,10 @@ class Packet{
}
break;
case "customData":
$reply = new CustomPacketHandler($this->data[1], "", $this->data[$field], true);
$reply = new CustomPacketHandler($this->data[$field]["id"], "", $this->data[$field], true);
$this->addRaw(Utils::writeShort(strlen($reply->raw) << 3));
$this->addRaw(Utils::writeTriad($this->data[$field]["count"]));
$this->addRaw(chr($this->data[$field]["id"]));
$this->addRaw($reply->raw);
break;
case "magic":
@ -162,9 +165,13 @@ class Packet{
}
break;
case "customData":
$d = new CustomPacketHandler($this->data[1], $this->get(true));
$d = new CustomPacketHandler($this->data[1], $this->get(Utils::readShort($this->get(2), false) >> 3));
$d->data["packetName"] = $d->name;
$this->data[] = $d->data;
if(isset($d->data["packets"])){
$this->data["packets"] = $d->data["packets"];
}else{
$this->data[] = $d->data;
}
break;
case "magic":
$this->data[] = $this->get(16);

35
classes/PocketMinecraftClient.class.php
View File

@ -114,8 +114,9 @@ class PocketMinecraftClient{
$serverID = $data[1];
$this->send(0x84, array(
$this->counter[0],
0x400090,
0x40,
array(
"id" => 0x09,
"clientID" => $this->clientID,
"session" => "\x00\x0c\x98\x00",
),
@ -123,13 +124,33 @@ class PocketMinecraftClient{
++$this->counter[0];
break;
case 0x84:
$this->counter[1] = $data[0];
$this->send(0xc0, array(1, true, $data[0]));
switch($custom->name){
case "serverHandshake":
if(isset($data[0])){
$this->counter[1] = $data[0];
$this->send(0xc0, array(1, true, $data[0]));
}
switch($data["id"]){
case 0x10:
$this->send(0x84, array(
$this->counter[0],
0x40,
array(
"id" => 0x13,
"port" => 19132,
"dataArray" => $data["dataArray"],
),
));
++$this->counter[0];
$this->send(0x84, array(
$this->counter[0],
0x40,
array(
"id" => 0x82,
"username" => $this->username,
),
));
++$this->counter[0];
break;
}
}
break;
}
}

17
classes/PocketMinecraftServer.class.php
View File

@ -28,7 +28,7 @@ the Free Software Foundation, either version 3 of the License, or
require_once("classes/Session.class.php");
class PocketMinecraftServer{
protected $interface, $protocol, $entities, $player, $cnt, $events, $username, $version, $clients;
protected $interface, $protocol, $entities, $player, $cnt, $events, $username, $version, $clients, $serverType;
function __construct($username, $protocol = CURRENT_PROTOCOL, $version = CURRENT_VERSION){
//$this->player = new Player($username);
$this->version = (int) $version;
@ -39,6 +39,7 @@ class PocketMinecraftServer{
$this->actions = array();
$this->clients = array();
$this->protocol = (int) $protocol;
$this->setType("normal");
$this->interface = new MinecraftInterface("255.255.255.255", $this->protocol, 19132, true, false);
console("[INFO] Creating Minecraft Server");
console("[INFO] Username: ".$this->username);
@ -46,6 +47,18 @@ class PocketMinecraftServer{
$this->stop = false;
}
public function setType($type = "demo"){
switch($type){
case "normal":
$this->serverType = "MCCPP;Demo;";
break;
case "minecon":
$this->serverType = "MCCPP;MINECON;";
break;
}
}
public function action($microseconds, $code){
$this->actions[] = array($microseconds / 1000000, microtime(true), $code);
console("[INTERNAL] Attached to action ".$microseconds, true, true, 3);
@ -86,7 +99,7 @@ class PocketMinecraftServer{
$data[0],
$this->serverID,
MAGIC,
"MCCPP;Demo;". $this->username,
$this->serverType. $this->username,
), false, $packet["ip"], $packet["port"]);
break;
case 0x05:

21
classes/Session.class.php
View File

@ -28,7 +28,7 @@ the Free Software Foundation, either version 3 of the License, or
class Session{
protected $server, $serverID, $timeout, $eventID, $connected;
var $clientID, $ip, $port, $counter;
var $clientID, $ip, $port, $counter, $username;
function __construct($server, $clientID, $ip, $port){
$this->server = $server;
$this->clientID = $clientID;
@ -67,19 +67,28 @@ class Session{
));
break;
case 0x84:
$this->counter[1] = $data[0];
$this->send(0xc0, array(1, true, $data[0]));
switch($data[2]["packetName"]){
case "clientHandshake":
if(isset($data[0])){
$this->counter[1] = $data[0];
$this->send(0xc0, array(1, true, $data[0]));
}
switch($data["id"]){
case 0x09:
$this->send(0x84, array(
$this->counter[0],
0x600300,
0x40,
array(
"id" => 0x10,
"count" => 0,
"port" => $this->port,
"session" => $data[2]["session"],
),
));
++$this->counter[0];
break;
case 0x82:
$this->username = $data["username"];
console("[INFO] User ".$this->username." connected from ".$this->ip.":".$this->port);
break;
}
break;
case 0x8c:

11
classes/Utils.class.php
View File

@ -280,7 +280,7 @@ class Utils{
return substr(pack("N", $value), 1);
}
public static function readDataArray($str, $len = 10){
public static function readDataArray($str, $len = 10, &$offset = null){
$data = array();
$offset = 0;
for($i = 1; $i <= $len; ++$i){
@ -292,6 +292,15 @@ class Utils{
return $data;
}
public static function writeDataArray($data){
$raw = "";
foreach($data as $v){
$raw .= Utils::writeTriad(strlen($v));
$raw .= $v;
}
return $raw;
}
public static function readInt($str){
list(,$unpacked) = unpack("N", $str);
return (int) $unpacked;

1
client.php
View File

@ -30,6 +30,7 @@ require_once("classes/PocketMinecraftClient.class.php");
file_put_contents("packets.log", "");
$client = new PocketMinecraftClient("shoghicp");
console("[INFO] Searching servers...");
$list = $client->getServerList();
foreach($list as $i => $info){
console("[Server] #".$i." ".$info["ip"]." ".$info["username"]);

2
common/config.php
View File

@ -34,6 +34,6 @@ set_include_path(get_include_path() . PATH_SEPARATOR . FILE_PATH . PATH_SEPARATO
ini_set("memory_limit", "512M");
define("CURRENT_PROTOCOL", 1);
define("CURRENT_VERSION", 5);
define("DEBUG", 3);
define("DEBUG", 2);
define("LOG", true);
define("MAGIC", "\x00\xff\xff\x00\xfe\xfe\xfe\xfe\xfd\xfd\xfd\xfd\x12\x34\x56\x78");

8
pstruct/RakNet.php
View File

@ -82,25 +82,25 @@ $pstruct = array(
0x80 => array(
"triad",
"triad",
"ubyte",
"customData",
),
0x84 => array(
"triad",
"triad",
"ubyte",
"customData",
),
0x88 => array(
"triad",
"triad",
"ubyte",
"customData",
),
0x8c => array(
"triad",
"triad",
"ubyte",
"customData",
),

1
server.php
View File

@ -30,4 +30,5 @@ require_once("classes/PocketMinecraftServer.class.php");
file_put_contents("packets.log", "");
$server = new PocketMinecraftServer("shoghicp");
$server->setType("minecon");
$server->start();