本篇文章为大家展示了使用PHP怎么编写一个socks5代理服务器,内容简明扼要并且容易理解,绝对能使你眼前一亮,通过这篇文章的详细介绍希望你能有所收获。
Class Pipe extends Threaded { private $client; private $remote; public function __construct($client, $remote) { $this->client = $client; $this->remote = $remote; } public function run() { for ( ; ; ) { $data = stream_socket_recvfrom($this->client, 4096); if ($data === false || strlen($data) === 0) { break; } $sendBytes = stream_socket_sendto($this->remote, $data); if ($sendBytes <= 0) { break; } } stream_socket_shutdown($this->client, STREAM_SHUT_RD); stream_socket_shutdown($this->remote, STREAM_SHUT_WR); } } Class Client extends Threaded { public $fd; public function __construct($fd) { $this->fd = $fd; } public function run() { $data = stream_socket_recvfrom($this->fd, 2); $data = unpack('c*', $data); if ($data[1] !== 0x05) { stream_socket_shutdown($this->fd, STREAM_SHUT_RDWR); echo '协议不正确.', PHP_EOL; return; } $nmethods = $data[2]; $data = stream_socket_recvfrom($this->fd, $nmethods); stream_socket_sendto($this->fd, "\x05\x00"); $data = stream_socket_recvfrom($this->fd, 4); $data = unpack('c*', $data); $addressType = $data[4]; if ($addressType === 0x03) { // domain $domainLength = unpack('c', stream_socket_recvfrom($this->fd, 1))[1]; $data = stream_socket_recvfrom($this->fd, $domainLength + 2); $domain = substr($data, 0, $domainLength); $port = unpack("n", substr($data, -2))[1]; } else { stream_socket_shutdown($this->fd, STREAM_SHUT_RDWR); echo '请使用远程dns解析.', PHP_EOL; } stream_socket_sendto($this->fd, "\x05\x00\x00\x01\x00\x00\x00\x00\x00\x00"); echo "{$domain}:{$port}", PHP_EOL; $remote = stream_socket_client("tcp://{$domain}:{$port}"); if ($remote === false) { stream_socket_shutdown($this->fd, STREAM_SHUT_RDWR); return; } $pool = $this->worker->pipePool; $pipe1 = new Pipe($remote, $this->fd); $pipe2 = new Pipe($this->fd, $remote); $pool->submit($pipe1); $pool->submit($pipe2); } } class ProxyWorker extends Worker { public $pipePool; public function __construct($pipePool) { $this->pipePool = $pipePool; } } $server = stream_socket_server('tcp://0.0.0.0:1080', $errno, $errstr); if ($server === false) exit($errstr); $pipePool = new Pool(200, Worker::class); $pool = new Pool(50, 'ProxyWorker', [$pipePool]); for( ; ; ) { $fd = @stream_socket_accept($server, 60); if ($fd === false) continue; $pool->submit(new Client($fd)); }
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