danog/MadelineProto
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Trying to make obfuscated2 protocol work

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This commit is contained in:
Daniil Gentili 2017-07-08 16:19:17 +01:00
parent adb377fb44
commit 8e1ac1a3f8
3 changed files with 79 additions and 7 deletions
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73
src/danog/MadelineProto/Connection.php
View File

@ -41,6 +41,7 @@ class Connection extends \Volatile
public $max_outgoing_id;
public $proxy = '\Socket';
public $extra = [];
public $obfuscated = [];
public $call_queue = [];
@ -109,8 +110,8 @@ var_dump(is_null($this->{$name}));
$this->sock->setBlocking(true);
$this->write(str_repeat(chr(238), 4));
break;
case 'tcp_full':
case 'tcp_full':
$this->sock = new $proxy($ipv6 ? \AF_INET6 : \AF_INET, \SOCK_STREAM, getprotobyname('tcp'));
if ($has_proxy && $this->extra !== []) {
$this->sock->setExtra($this->extra);
@ -127,6 +128,49 @@ var_dump(is_null($this->{$name}));
$this->out_seq_no = -1;
$this->in_seq_no = -1;
break;
case 'obfuscated2':
$this->sock = new $proxy($ipv6 ? \AF_INET6 : \AF_INET, \SOCK_STREAM, getprotobyname('tcp'));
if ($has_proxy && $this->extra !== []) {
$this->sock->setExtra($this->extra);
}
if (!$this->sock->connect($ip, $port)) {
throw new Exception("Connection: couldn't connect to socket.");
}
if (!\danog\MadelineProto\Logger::$has_thread) {
$this->sock->setOption(\SOL_SOCKET, \SO_RCVTIMEO, $timeout);
$this->sock->setOption(\SOL_SOCKET, \SO_SNDTIMEO, $timeout);
}
$this->sock->setBlocking(true);
do {
$random = $this->random(64);
} while (in_array(substr($random, 0, 4), ['PVrG', 'GET ', 'POST', 'HEAD', str_repeat(chr(238), 4)]) || $random[0] === chr(239) || substr($random, 4, 4) === "\0\0\0\0");
$reversed = strrev(substr($random, 8, 48));
$this->obfuscated = ['encryption' => new \phpseclib\Crypt\AES(\phpseclib\Crypt\AES::MODE_CTR), 'decryption' => new \phpseclib\Crypt\AES(\phpseclib\Crypt\AES::MODE_CTR)];
$this->obfuscated['encryption']->enableContinuousBuffer();
$this->obfuscated['decryption']->enableContinuousBuffer();
$this->obfuscated['encryption']->setKey(substr($random, 8, 32));
$this->obfuscated['encryption']->setIV(substr($random, 40, 16));
$this->obfuscated['decryption']->setKey(substr($reversed, 0, 32));
$this->obfuscated['decryption']->setIV(substr($reversed, 32, 16));
$random = substr_replace(
$random,
substr(
$this->obfuscated['encryption']->encrypt(
substr_replace($random, str_repeat(chr(239), 4), 56, 4)
),
56,
8
),
56,
8
);
$this->write($random);
break;
case 'http':
case 'https':
$this->parsed = parse_url($ip);
@ -162,6 +206,7 @@ var_dump(is_null($this->{$name}));
case 'tcp_full':
case 'http':
case 'https':
case 'obfuscated2':
try {
unset($this->sock);
} catch (\danog\MadelineProto\Exception $e) {
@ -183,7 +228,7 @@ var_dump(is_null($this->{$name}));
public function __sleep()
{
return ['proxy', 'extra', 'protocol', 'ip', 'port', 'timeout', 'parsed', 'time_delta', 'temp_auth_key', 'auth_key', 'session_id', 'session_out_seq_no', 'session_in_seq_no', 'ipv6', 'incoming_messages', 'outgoing_messages', 'new_incoming', 'new_outgoing', 'max_incoming_id', 'max_outgoing_id'];
return ['proxy', 'extra', 'protocol', 'ip', 'port', 'timeout', 'parsed', 'time_delta', 'temp_auth_key', 'auth_key', 'session_id', 'session_out_seq_no', 'session_in_seq_no', 'ipv6', 'incoming_messages', 'outgoing_messages', 'new_incoming', 'new_outgoing', 'max_incoming_id', 'max_outgoing_id', 'obfuscated'];
}
public function __wakeup()
@ -208,6 +253,7 @@ var_dump(is_null($this->{$name}));
case 'tcp_abridged':
case 'tcp_intermediate':
case 'tcp_full':
case 'obfuscated2':
case 'http':
case 'https':
$wrote = 0;
@ -233,6 +279,7 @@ var_dump(is_null($this->{$name}));
case 'tcp_abridged':
case 'tcp_intermediate':
case 'tcp_full':
case 'obfuscated2':
case 'http':
case 'https':
$packet = '';
@ -290,6 +337,18 @@ var_dump(is_null($this->{$name}));
}
return $this->read($packet_length);
case 'obfuscated2':
$packet_length_data = $this->read(1);
$packet_length = ord($packet_length_data);
if ($packet_length < 127) {
$packet_length <<= 2;
} else {
$packet_length_data = $this->read(3);
$packet_length = unpack('V', $packet_length_data."\0")[1] << 2;
}
return substr($this->obfuscation['decryption']->encrypt($this->read($packet_length)), 8, -4);
case 'http':
case 'https':
$headers = [];
@ -349,6 +408,16 @@ var_dump(is_null($this->{$name}));
}
$this->write($step1);
break;
case 'obfuscated2':
$message = "\0\0\0\0\0\0\0\0".$message."\0\0\0\0";
$len = strlen($message) / 4;
if ($len < 127) {
$step1 = chr($len).$message;
} else {
$step1 = chr(127).substr(pack('V', $len), 0, 3).$message;
}
$this->write($this->obfuscated['encryption']->encrypt($step1));
break;
case 'http':
case 'https':
$this->write('POST '.$this->parsed['path']." HTTP/1.1\r\nHost: ".$this->parsed['host']."\r\nContent-Type: application/x-www-form-urlencoded\r\nConnection: keep-alive\r\nContent-Length: ".strlen($message)."\r\n\r\n".$message);

3
src/danog/MadelineProto/DataCenter.php
View File

@ -46,6 +46,7 @@ var_dump(is_null($this->{$name}));
$this->settings = $settings;
foreach ($this->sockets as $key => $socket) {
if ($socket instanceof Connection) {
$socket->old = true;
$socket->close_and_reopen();
} else {
unset($this->sockets[$key]);
@ -67,7 +68,7 @@ var_dump(is_null($this->{$name}));
public function dc_connect($dc_number)
{
$this->curdc = $dc_number;
if (isset($this->sockets[$dc_number])) {
if (isset($this->sockets[$dc_number]) && !isset($this->sockets[$dc_number]->old)) {
return false;
}
$dc_config_number = isset($this->settings[$dc_number]) ? $dc_number : 'all';

10
src/danog/MadelineProto/MTProto.php
View File

@ -548,6 +548,10 @@ class MTProto extends \Volatile
if (!isset($settings['app_info']['api_id'])) {
throw new \danog\MadelineProto\Exception('You must provide an api key and an api id, get your own @ my.telegram.org');
}
/*
if ($settings['app_info']['api_id'] < 20) {
$settings['connection_settings']['all']['protocol'] = 'obfuscated2';
}*/
switch ($settings['logger']['logger_level']) {
case 'ULTRA_VERBOSE': $settings['logger']['logger_level'] = 5; break;
case 'VERBOSE': $settings['logger']['logger_level'] = 4; break;
@ -591,9 +595,7 @@ class MTProto extends \Volatile
public function connect_to_all_dcs()
{
foreach ($old = $this->datacenter->get_dcs() as $new_dc) {
if (!isset($this->datacenter->sockets[$new_dc])) {
$this->datacenter->dc_connect($new_dc);
}
$this->datacenter->dc_connect($new_dc);
}
$this->setup_threads();
$this->init_authorization();
@ -740,7 +742,7 @@ class MTProto extends \Volatile
public function getV()
{
return 50;
return 52;
}
public function get_self()