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webshell/xakep-shells/PHP/Antichat Socks5 Server.php.php.txt
tennc a4229cf9dc reupdate xakepshell
2014-05-18 09:06:34 +08:00

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<?
#########################################################################################
# Antichat Socks5 Server v 1.0 #
#########################################################################################
# ____________________________ #
# Features: | #
# | written by Zadoxlik #
# [+] LOGIN/PASSWORD authorization | zàdoxlik@antichat[dîò]ru #
# [-] Any other authorization type | icq: 511501 #
# [+] Threads | www.zadoxlik.info #
# [+] CONNECT method | www.antichat.ru #
# [-] BIND method |____________________________ #
# [-] UDP ASSOCIATE method #
# [+] Unix platform #
# [+] Windows platform #
# [+] Ipv4 address type #
# [+] Domain name address type #
# [-] Ipv6 address type #
# #
# Documents #
# #
# ftp://ftp.rfc-editor.org/in-notes/rfc1928.txt #
# ftp://ftp.rfc-editor.org/in-notes/rfc1929.txt #
# #
# #
#########################################################################################
# Cool niggas are FUF, SkvoznoY, KEZ, ZaCo, Egorich and all my friends =) #
#########################################################################################
/*-------------------------------------------------------------------------------------*\
| S E T T I N G S |
\*-------------------------------------------------------------------------------------*/
$settings = array('PORT' => 4001,
'AUTH' => 0,
'STOPFILE' => 'stop.txt', // create this file
// to stop the server
'LOGIN' => 'someshit', // if AUTH == 1
'PASSWORD' => '666', // if AUTH == 1
'MAX_CONNECTIONS' => 5,
'LOG_FILE' => -1, // if -1 - no logs
'AUTH_TIMEOUT' => 60, // sec
'CONNECT_TIMEOUT' => 5, // Timeout for connection
// to remote server (sec)
);
// Remote hosts, which are not supported for working with
$blocked_hosts = array('81.177.6.78',
'88.212.221.34',
);
// Client hosts, which are not supported for working with (banned)
$blocked_users = array('127.0.0.2'
);
/*-------------------------------------------------------------------------------------*/
set_time_limit(0) OR DIE('set_time_limit(0) failed');
error_reporting(0);
/*-------------------------------------------------------------------------------------*\
| D E F I N I T I O N S |
\*-------------------------------------------------------------------------------------*/
DEFINE('VER', "\x05");
DEFINE('CONNECT', "\x01");
DEFINE('AUTH_METHOD', "\x02");
DEFINE('AUTH_NOT_REQ', "\x00");
DEFINE('WRONG_AUTH_METHODS', "\xFF");
DEFINE('REP_SUCCESS', "\x00");
DEFINE('REP_WRONG_COMMAND', "\x07");
DEFINE('REP_SOCKS_ERROR', "\x01");
DEFINE('REP_BLOCKED_HOST', "\x02");
DEFINE('REP_BAD_HOST', "\x04");
DEFINE('IPv4', "\x01");
DEFINE('DOMAIN', "\x03");
DEFINE('CLOSED_SOCKET', -12);
DEFINE('NO_DATA', -11);
DEFINE('NOT_ALL_DATA', -10);
DEFINE('STATUS_RECVSTARTREQ', -9);
DEFINE('STATUS_RECVAUTHREQ', -8);
DEFINE('STATUS_REQUESTRECV', -7);
DEFINE('STATUS_CONNECTING', -6);
DEFINE('STATUS_WORKING', -5);
/*-------------------------------------------------------------------------------------*/
$clientsockets = array();
$serversockets = array();
$recvdata = array();
$sockets_status = array();
$timeout = array();
$reqmessage = array();
$ipport = array();
/*-------------------------------------------------------------------------------------*\
| F U N C T I O N S |
\*-------------------------------------------------------------------------------------*/
function getstring(&$s, $len = 1){
if(@($message = socket_recv($s, &$com, $len, 0)) === 0)
return CLOSED_SOCKET;
elseif($message === FALSE)
return NO_DATA;
else
return $com;
}
function sendstring(&$s, $mess){
return socket_write($s, $mess, strlen($mess));
}
function BridgeEstablish2($id){
global $serversockets, $clientsockets, $sockets_status, $settings, $reqmessage,
$timeout, $ipport;
sendstring($clientsockets[$id], VER.REP_SUCCESS."\x00\x01".$ipport[$id]);
$sockets_status[$id] = STATUS_WORKING;
}
function BridgeEstablish1($id){
global $serversockets, $clientsockets, $sockets_status, $settings, $reqmessage,
$timeout, $blocked_hosts, $ipport;
$message = '';
if(($message = getstring($clientsockets[$id], 100)) === CLOSED_SOCKET){
close($id);
return CLOSED_SOCKET;
}
elseif($message === NO_DATA)
return NOT_ALL_DATA;
@$reqmessage[$id] .= $message;
// Checking the packet
if($reqmessage[$id][0] !== VER){
close($id);
return CLOSED_SOCKET;
}
if(!isset($reqmessage[$id][1]))
return NOT_ALL_DATA;
if($reqmessage[$id][1] !== CONNECT)
{
socket_getsockname ($clientsockets[$id], $addr, $port);
$addr = explode('.', $addr);
for($i = 0; $i < 4; $i++)
$addr[$i] = chr($addr[$i]);
$addr = implode('', $addr);
sendstring($clientsockets[$id], VER.REP_WRONG_COMMAND."\x00\x01\x00".
"\x00\x00\x00\x00\x00");
close($id);
return CLOSED_SOCKET;
}
if(!isset($reqmessage[$id][2]))
return NOT_ALL_DATA;
if($reqmessage[$id][2] !== "\x00")
{
close($id);
return CLOSED_SOCKET;
}
if(!isset($reqmessage[$id][3]))
return NOT_ALL_DATA;
if($reqmessage[$id][3] !== DOMAIN && $reqmessage[$id][3] !== IPv4)
{
close($id);
return CLOSED_SOCKET;
}
if(!isset($reqmessage[$id][4]))
return NOT_ALL_DATA;
if($reqmessage[$id][3] === DOMAIN){
$reqlen = ord($reqmessage[$id][4])+1;
if(!isset($reqmessage[$id][3+$reqlen]))
return NOT_ALL_DATA;
$host = substr($reqmessage[$id], 5, $reqlen-1);
}
else{ // IP v4
$reqlen = 4;
if(!isset($reqmessage[$id][3+$reqlen]))
return NOT_ALL_DATA;
$host = base_convert(bin2hex($reqmessage[$id][4]), 16, 10).'.'.
base_convert(bin2hex($reqmessage[$id][5]), 16, 10).'.'.
base_convert(bin2hex($reqmessage[$id][6]), 16, 10).'.'.
base_convert(bin2hex($reqmessage[$id][7]), 16, 10);
}
if(!isset($reqmessage[$id][3+$reqlen+2]))
return NOT_ALL_DATA;
socket_getsockname ($clientsockets[$id], $self_addr, $self_port);
$self_addr = explode('.', $self_addr);
for($i = 0; $i < 4; $i++)
$self_addr[$i] = chr($self_addr[$i]);
$self_add = implode('', $self_addr);
$self_port = pack('n', $self_port);
$ipport[$id] = $self_add.$self_port;
if(in_array($host, $blocked_hosts)){
sendstring($clientsockets[$id], VER.REP_BLOCKED_HOST."\x00\x01".$ipport[$id]);
close($id);
return CLOSED_SOCKET;
}
$port = base_convert(bin2hex(substr($reqmessage[$id], 3+$reqlen+1, 2)), 16, 10);
// Connection to remote host
$serversockets[$id] = socket_create(AF_INET, SOCK_STREAM, 6 /* TCP*/);
if($serversockets[$id] === FALSE){
sendstring($clientsockets[$id], VER.REP_SOCKS_ERROR."\x00\x01".$ipport[$id]);
close($id);
return CLOSED_SOCKET;
}
socket_set_nonblock($serversockets[$id]);
//echo $host.':'.$port;
socket_connect($serversockets[$id], $host, $port);
unset($reqmessage[$id]);
$sockets_status[$id] = STATUS_CONNECTING;
}
function Authorization($id){
global $serversockets, $clientsockets, $sockets_status, $settings, $reqmessage,
$timeout;
$message = '';
if(($message = getstring($clientsockets[$id], 100)) === CLOSED_SOCKET){
close($id);
return CLOSED_SOCKET;
}
elseif($message === NO_DATA)
return NOT_ALL_DATA;
@$reqmessage[$id] .= $message;
if($reqmessage[$id][0] != "\x01"){
close($id);
return CLOSED_SOCKET;
}
if(!isset($reqmessage[$id][1]))
return NOT_ALL_DATA;
$pos = ord($reqmessage[$id][1])+2;
if(!isset($reqmessage[$id][$pos]))
return NOT_ALL_DATA;
if(!isset($reqmessage[$id][$pos+ord($reqmessage[$id][$pos])]))
return NOT_ALL_DATA;
// Authorization
if($settings['LOGIN'] === substr($reqmessage[$id], 2, ord($reqmessage[$id][1]))
&& $settings['PASSWORD'] === substr($reqmessage[$id], $pos+1,
ord($reqmessage[$id][$pos])))
{
$timeout[$id] = time();
unset($reqmessage[$id]);
$sockets_status[$id] = STATUS_REQUESTRECV;
sendstring($clientsockets[$id], "\x01\x00");
}
else{
sendstring($clientsockets[$id], "\x01\x01");
close($id);
}
}
function close($id){
global $serversockets, $clientsockets, $sockets_status, $settings, $reqmessage,
$timeout, $ipport;
socket_getpeername($clientsockets[$id], $ip);
@socket_close($clientsockets[$id]);
unset($clientsockets[$id]);
@socket_close($serversockets[$id]);
unset($serversockets[$id]);
unset($sockets_status[$id]);
unset($timeout[$id]);
unset($ipport[$id]);
makelog($ip.' disconnected.');
}
function Start($id){
global $serversockets, $clientsockets, $sockets_status, $settings, $reqmessage,
$timeout;
$message = '';
if(($message = getstring($clientsockets[$id], 10)) === CLOSED_SOCKET){
close($id);
return CLOSED_SOCKET;
}
elseif($message === NO_DATA)
return NOT_ALL_DATA;
@$reqmessage[$id] .= $message;
// Checking the packet
if($reqmessage[$id][0] !== VER){
close($id);
return CLOSED_SOCKET;
}
if(!isset($reqmessage[$id][1]))
return NOT_ALL_DATA;
if(ord($reqmessage[$id][1]) > strlen($reqmessage[$id]) - 2)
return NOT_ALL_DATA;
elseif(ord($reqmessage[$id][1]) === strlen($reqmessage[$id]) - 2){
if($settings['AUTH'] !== 1){
sendstring($clientsockets[$id], VER.AUTH_NOT_REQ);
unset($reqmessage[$id]);
$sockets_status[$id] = STATUS_REQUESTRECV;
$timeout[$id] = time();
return 0;
}
if(strstr(substr($reqmessage[$id], 2, ord($reqmessage[$id][1])), AUTH_METHOD))
{
$timeout[$id] = time();
$sockets_status[$id] = STATUS_RECVAUTHREQ;
sendstring($clientsockets[$id], VER.AUTH_METHOD);
unset($reqmessage[$id]);
return 0;
}
else{
sendstring($clientsockets[$id], VER.WRONG_AUTH_METHODS);
return 0;
close($id);
return CLOSED_SOCKET;
}
$sockets_status[$id] = STATUS_REQUEST;
return 0;
}
else{
close($id);
return CLOSED_SOCKET;
}
}
function one_array($f, $s){
$new_array = array();
foreach($f as $elt)
if(!in_array($elt, $s))
array_push($new_array, $elt);
return array_merge_recursive($new_array, $s);
}
function makelog($string){
global $settings;
if($settings['LOG_FILE'] == -1)
return FALSE;
$fp = fopen($settings['LOG_FILE'], 'a');
fputs($fp, date("d.m.Y. H:i:s").' '.$string."\r\n".
"---------------------------------------------------------\r\n");
fclose($fp);
}
function stop(){
global $serversockets, $clientsockets, $sockets_status, $settings, $reqmessage,
$timeout;
for($i = 0; $i < sizeof($clientsockets); $i++)
close($i);
makelog('Finish!: '.$string);
DIE();
}
function error($string){
makelog('<<ERROR>>: '.$string);
stop();
DIE();
}
/*-------------------------------------------------------------------------------------*/
/*-------------------------------------------------------------------------------------*\
| P R O G R A M M |
\*-------------------------------------------------------------------------------------*/
$sock = socket_create(AF_INET, SOCK_STREAM, 6 /* TCP*/) OR
DIE(socket_strerror(socket_last_error()));
if(!socket_bind($sock, "0.0.0.0", $settings['PORT']))
error(socket_strerror(socket_last_error($sock)));
if(!socket_listen ($sock))
error(socket_strerror(socket_last_error($sock)));
socket_set_nonblock($sock);
$maxcount = $settings['MAX_CONNECTIONS'] + 1;
$sock = array($sock);
while(TRUE){
$readed = $wr = array_merge($sock, $clientsockets);
if(socket_select($readed, $wr, $exc = NULL, 7) < 1){
if(file_exists($settings['STOPFILE']))
stop();
continue;
}
if (in_array($sock[0], $readed)){
$clientsockets[] = ($cl_sock = socket_accept($sock[0]));
socket_getpeername($cl_sock, $ip);
makelog($ip.' connected to server.');
$id = array_search($cl_sock, $clientsockets);
if(count($clientsockets) >= $maxcount){
socket_close($cl_sock);
unset($clientsockets[$id]);
makelog('Connection with '.$ip.' has been aborted by server. '.
'Reason: too many connections.');
}
elseif(in_array($ip, $blocked_users)){
socket_close($newsock);
unset($clientsockets[$id]);
makelog('Connection with '.$ip.' has been aborted by server. '.
'Reason: banned user.');
}
else{
socket_set_nonblock($cl_sock);
$sockets_status[$id] = STATUS_RECVSTARTREQ;
}
$key = array_search($sock[0], $readed);
unset($readed[$key]);
}
$array_status = one_array($readed, $wr);
foreach($array_status as $socket){
$id = array_search($socket, $clientsockets);
if($id === FALSE)
$id = array_search($socket, $serversockets);
if($id === FALSE)
continue;
switch ($sockets_status[$id]){
case STATUS_RECVAUTHREQ:
if(time() - $timeout[$id] > $settings['AUTH_TIMEOUT'])
{ //echo 'aaaaa';
close($id);
break;
}
Authorization($id);
break;
case STATUS_REQUESTRECV:
BridgeEstablish1($id);
break;
case STATUS_RECVSTARTREQ:
Start($id);
break;
case STATUS_CONNECTING:
if(time() - $timeout[$id] > $settings['CONNECT_TIMEOUT'])
{
sendstring($clientsockets[$id], VER.REP_BAD_HOST.
"\x00\x01".$ipport[$id]);
close($id);
break;
}
// checkin remote host
$exr = $ewr = array($serversockets[$id]);
if(socket_select($exr, $ewr, $exc = NULL, 0) > 0)
BridgeEstablish2($id);
break;
default: // STATUS_WORKING
$mes= getstring($clientsockets[$id], 8024);
if($mes === CLOSED_SOCKET){
close($id);
break;
}
if($mes !== NO_DATA)
if(sendstring($serversockets[$id], $mes) === FALSE){
close($id);
break;
}
$mes = getstring($serversockets[$id], 8024);
if($mes === CLOSED_SOCKET){
close($id);
break;
}
if($mes !== NO_DATA)
if(sendstring($clientsockets[$id], $mes) === FALSE){
close($id);
break;
}
}
}
if(rand(1,5) == 5)
if(file_exists($settings['STOPFILE']))
stop();
}
/*-------------------------------------------------------------------------------------*/
?>
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