PHP-通过socks5代理从私钥连接到sftp

我正在尝试通过代理通过rsa私钥auth连接到sftp。

use phpseclib\Net\SFTP;
use phpseclib\Crypt\RSA;

$proxyHost = 'proxy-host';
$proxyPort = 1080;
$fsock = fsockopen($proxyHost,$proxyPort);

$host = 'sftp.hostname.com';
$login = 'sftp_login';
$privatekey = file_get_contents('sftp_private.ppk');
$password = new RSA();
$password->loadKey($privatekey);
$request = "CONNECT $host:22 HTTP/1.0\r\nContent-Length: 0\r\n\r\n";

if(fputs($fsock,$request) != strlen($request)) {
  exit("premature termination");
}
while ($line = fgets($fsock,1024)) {
    if ($line == "\r\n") {
      break;
    }
    //echo $line;
}
$sftp = new SFTP($fsock);
if (!$sftp->login($login,$password)) {
  exit('Login Failed');
}

我得到“登录失败”出口。

谢谢

a10540693 回答:PHP-通过socks5代理从私钥连接到sftp

报价 https://github.com/phpseclib/phpseclib/issues/1460

端口1080通常用于SOCKS5代理-而非HTTP代理。

假设您使用的是SOCKS5代理,则应类似以下内容 工作:

// SSH connection info
$port = 22;
$address = 'localhost';

// SOCKS5 connection info
$fsock = fsockopen('127.0.0.1',1080,$errno,$errstr,1);
if (!$fsock) {
    throw new \Exception($errstr);
}

$port = pack('n',$port);
$address = chr(strlen($address)) . $address;

$request = "\5\1\0";
if (fwrite($fsock,$request) != strlen($request)) {
    throw new \Exception('Premature termination');
}

$response = fread($fsock,2);
if ($response != "\5\0") {
    throw new \Exception('Unsupported protocol or unsupported method');
}

$request = "\5\1\0\3$address$port";
if (fwrite($fsock,strlen($address) + 6);
if (substr($response,2) != "\5\0") {
echo bin2hex($response) . "\n";
    throw new \Exception("Unsupported protocol or connection refused");
}

$ssh = new SSH2($fsock);
$ssh->login('username','password');
echo $ssh->exec('ls -latr');

也就是说,SOCKS5比本示例具有更多的花哨功能 代码当前可以容纳。真的,好的是吃饱了 SOCKS5类。

希望它会帮助别人。

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