/**
* Allow to execute and get the result of a command which can return more than one page on the CLI
*
* @param string $cmd The command to run
* @param string $regexp A regex which will filter the rows. If a rows doesn't satisfy the regex, it will be
* skipped.
* @param Callable $callback A callback wich will be called for each rows. The first parameter is the rows itself,
* the second parameter is the result of preg_match call on the row wich the regexp
* provided
*
* @return array
*
* @throws InvalidArgumentException If $callback is not a valid callback
*/
protected function execPageableCommand(string $cmd, string $regexp, $callback) : array
{
if (false == is_callable($callback)) {
throw new InvalidArgumentException("You must provide a valid callback");
}
$result = [];
$this->ssh->write($cmd . $this->enterKey);
$readPattern = '`' . $this->morePattern . '|' . $this->promptPattern . '`';
while ($stdout = $this->ssh->read($readPattern, SSH2::READ_REGEX)) {
foreach (explode("\n", $stdout) as $line) {
if ($regexp == '' || $regexp == '`.*`' || $regexp == '`.+`') {
$result[] = $line;
continue;
}
preg_match($regexp, $line, $match);
if (count($match) > 0) {
list($index, $value) = $callback($line, $match);
if ($index !== null) {
$result[$index] = $value;
} else {
$result[] = $value;
}
}
}
if (preg_match('`' . $this->promptPattern . '`', $stdout) === 1) {
break;
}
$this->ssh->write($this->spaceKey);
}
return $result;
}
/**
* Send authentication
*
* @return bool
*/
protected function _auth()
{
// check to see if already authenticated
if ($this->_authenticated === true) {
return true;
}
switch ($this->config('ssh.authType')) {
case 'password':
// perform password auth
if ($this->_phpseclib->login($this->_credentials->getUsername(), $this->_credentials->getPassword())) {
//get last line and set as prompt
$response = $this->_phpseclib->read($this->config('prompt.command'));
$lines = split("\n", $response);
$this->config('prompt.command', trim(end($lines)));
$this->_authenticated = true;
return true;
}
break;
case 'publicKey':
// perform public key auth
$this->_writeTmpKeys();
$privkey = new \Crypt_RSA();
//phpseclib has no DSA support :(
$privkey->loadKey($this->_pubKeyTempFile);
if ($this->_phpseclib->login($this->_credentials->getUsername(), $privkey)) {
$this->_destroyTmpKeys();
$this->_authenticated = true;
return true;
}
$this->_destroyTmpKeys();
break;
}
//end switch()
//return false;
throw new \Exception('SSH ' . $this->config('ssh.authType') . ' Authentication Failed');
}
<?php
include 'vendor/autoload.php';
use phpseclib\Net\SSH2;
use phpseclib\File\ANSI;
$ansi = new ANSI();
echo <<<HTML
\t<form action="ssh.php" method="POST">
\t\t<label for="host">Host</label>
\t\t<input name="host">
\t\t<label for="user">Username</label>
\t\t<input name="user">
\t\t<label for="pass">Password</label>
\t\t<input name="pass" type="password">
\t\t<label for="port">Port</label>
\t\t<input name="port" value="22">
\t\t<input type="submit">
\t</form>
HTML;
extract($_POST);
if (isset($host, $user, $pass)) {
$ssh = new SSH2($host, $port);
if (!$ssh->login($user, $pass)) {
exit('Login Failed');
}
$ansi->appendString($ssh->read('username@username:~$'));
$ansi->appendString($ssh->read());
echo $ansi->getScreen();
}
