function FileTransfer::findChroot

Returns the chroot property for this connection.

It does this by moving up the tree until it finds itself. If successful, it will return the chroot, otherwise FALSE.

Return value

The chroot path for this connection or FALSE.:

File

core/includes/filetransfer/filetransfer.inc, line 421

Base FileTransfer class.

Class

FileTransfer

@file Base FileTransfer class.

Code

function findChroot() {
  // If the file exists as is, there is no chroot.
  $path = __FILE__;
  $path = $this->fixRemotePath($path, FALSE);
  if ($this->isFile($path)) {
    return FALSE;
  }

  $path = __DIR__;
  $path = $this->fixRemotePath($path, FALSE);
  $parts = explode('/', $path);
  $chroot = '';
  while (count($parts)) {
    $check = implode('/', $parts);
    if ($this->isFile($check . '/' . backdrop_basename(__FILE__))) {
      // Remove the trailing slash.
      return substr($chroot, 0, -1);
    }
    $chroot .= array_shift($parts) . '/';
  }
  return FALSE;
}