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|
<?php
/**
* Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Licensed under the MIT license:
* http://opensource.org/licenses/MIT
*/
namespace Icewind\SMB;
use Icewind\SMB\Exception\ConnectionException;
class RawConnection {
/**
* @var string
*/
private $command;
/**
* @var string[]
*/
private $env;
/**
* @var resource[] $pipes
*
* $pipes[0] holds STDIN for smbclient
* $pipes[1] holds STDOUT for smbclient
*/
private $pipes;
/**
* @var resource $process
*/
private $process;
public function __construct($command, $env = array()) {
$this->command = $command;
$this->env = $env;
$this->connect();
}
private function connect() {
$descriptorSpec = array(
0 => array('pipe', 'r'), // child reads from stdin
1 => array('pipe', 'w'), // child writes to stdout
2 => array('pipe', 'w'), // child writes to stderr
3 => array('pipe', 'r'), // child reads from fd#3
4 => array('pipe', 'r'), // child reads from fd#4
5 => array('pipe', 'w') // child writes to fd#5
);
setlocale(LC_ALL, Server::LOCALE);
$env = array_merge($this->env, array(
'CLI_FORCE_INTERACTIVE' => 'y', // Needed or the prompt isn't displayed!!
'LC_ALL' => Server::LOCALE,
'LANG' => Server::LOCALE,
'COLUMNS' => 8192 // prevent smbclient from line-wrapping it's output
));
$this->process = proc_open($this->command, $descriptorSpec, $this->pipes, '/', $env);
if (!$this->isValid()) {
throw new ConnectionException();
}
}
/**
* check if the connection is still active
*
* @return bool
*/
public function isValid() {
if (is_resource($this->process)) {
$status = proc_get_status($this->process);
return $status['running'];
} else {
return false;
}
}
/**
* send input to the process
*
* @param string $input
*/
public function write($input) {
fwrite($this->getInputStream(), $input);
fflush($this->getInputStream());
}
/**
* read a line of output
*
* @return string
*/
public function readLine() {
return stream_get_line($this->getOutputStream(), 4086, "\n");
}
/**
* read a line of output
*
* @return string
*/
public function readError() {
return trim(stream_get_line($this->getErrorStream(), 4086));
}
/**
* get all output until the process closes
*
* @return array
*/
public function readAll() {
$output = array();
while ($line = $this->readLine()) {
$output[] = $line;
}
return $output;
}
public function getInputStream() {
return $this->pipes[0];
}
public function getOutputStream() {
return $this->pipes[1];
}
public function getErrorStream() {
return $this->pipes[2];
}
public function getAuthStream() {
return $this->pipes[3];
}
public function getFileInputStream() {
return $this->pipes[4];
}
public function getFileOutputStream() {
return $this->pipes[5];
}
public function writeAuthentication($user, $password) {
$auth = ($password === false)
? "username=$user"
: "username=$user\npassword=$password";
if (fwrite($this->getAuthStream(), $auth) === false) {
fclose($this->getAuthStream());
return false;
}
fclose($this->getAuthStream());
return true;
}
public function close($terminate = true) {
if (!is_resource($this->process)) {
return;
}
if ($terminate) {
// if for case that posix_ functions are not available
if (function_exists('posix_kill')) {
$status = proc_get_status($this->process);
$ppid = $status['pid'];
$pids = preg_split('/\s+/', `ps -o pid --no-heading --ppid $ppid`);
foreach($pids as $pid) {
if(is_numeric($pid)) {
//9 is the SIGKILL signal
posix_kill($pid, 9);
}
}
}
proc_terminate($this->process);
}
proc_close($this->process);
}
public function reconnect() {
$this->close();
$this->connect();
}
public function __destruct() {
$this->close();
}
}
|
