C++ (Cpp) grub_ntldr_unload Exemples

Exemple #1

Fichier : ntldr.c Projet : Spacy/grub-fuse

static grub_err_t
grub_cmd_ntldr (grub_command_t cmd __attribute__ ((unused)),
		int argc, char *argv[])
{
  grub_file_t file = 0;
  grub_err_t err;
  void *bs, *ntldr;
  grub_size_t ntldrsize;
  grub_device_t dev;

  if (argc == 0)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");

  grub_dl_ref (my_mod);

  rel = grub_relocator_new ();
  if (!rel)
    goto fail;

  file = grub_file_open (argv[0]);
  if (! file)
    goto fail;

  {
    grub_relocator_chunk_t ch;
    err = grub_relocator_alloc_chunk_addr (rel, &ch, 0x7C00,
					   GRUB_DISK_SECTOR_SIZE);
    if (err)
      goto fail;
    bs = get_virtual_current_address (ch);
  }

  edx = grub_get_root_biosnumber ();
  dev = grub_device_open (0);

  if (dev && dev->disk)
    {
      err = grub_disk_read (dev->disk, 0, 0, GRUB_DISK_SECTOR_SIZE, bs);
      if (err)
	{
	  grub_device_close (dev);
	  goto fail;
	}
    }

  if (dev)
    grub_device_close (dev);

  ntldrsize = grub_file_size (file);
  {
    grub_relocator_chunk_t ch;
    err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_NTLDR_SEGMENT << 4,
					   ntldrsize);
    if (err)
      goto fail;
    ntldr = get_virtual_current_address (ch);
  }

  if (grub_file_read (file, ntldr, ntldrsize)
      != (grub_ssize_t) ntldrsize)
    goto fail;
 
  grub_loader_set (grub_ntldr_boot, grub_ntldr_unload, 1);
  return GRUB_ERR_NONE;

 fail:

  if (file)
    grub_file_close (file);

  grub_ntldr_unload ();

  return grub_errno;
}

Exemple #2

Fichier : ntldr.c Projet : ts468/TrustedGRUB2

static grub_err_t
grub_cmd_ntldr (grub_command_t cmd __attribute__ ((unused)),
		int argc, char *argv[])
{
  grub_file_t file = 0;
  grub_err_t err;
  void *bs, *ntldr;
  grub_size_t ntldrsize;
  grub_device_t dev;

  if (argc == 0)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));

  grub_dl_ref (my_mod);

  rel = grub_relocator_new ();
  if (!rel)
    goto fail;

  file = grub_file_open (argv[0]);
  if (! file)
    goto fail;

  {
    grub_relocator_chunk_t ch;
    err = grub_relocator_alloc_chunk_addr (rel, &ch, 0x7C00,
					   GRUB_DISK_SECTOR_SIZE);
    if (err)
      goto fail;
    bs = get_virtual_current_address (ch);
  }

  edx = grub_get_root_biosnumber ();
  dev = grub_device_open (0);

  if (dev && dev->disk)
    {
      err = grub_disk_read (dev->disk, 0, 0, GRUB_DISK_SECTOR_SIZE, bs);
      if (err)
	{
	  grub_device_close (dev);
	  goto fail;
	}
      grub_chainloader_patch_bpb (bs, dev, edx);
    }

  if (dev)
    grub_device_close (dev);

  ntldrsize = grub_file_size (file);
  {
    grub_relocator_chunk_t ch;
    err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_NTLDR_SEGMENT << 4,
					   ntldrsize);
    if (err)
      goto fail;
    ntldr = get_virtual_current_address (ch);
  }

  if (grub_file_read (file, ntldr, ntldrsize)
      != (grub_ssize_t) ntldrsize)
    goto fail;
 
  grub_loader_set (grub_ntldr_boot, grub_ntldr_unload, 1);

  /* Begin TCG Extension */
  if (grub_TPM_isAvailable())
    grub_TPM_measureFile( argv[0], TPM_LOADED_FILES_PCR );
  /* End TCG Extension */

  return GRUB_ERR_NONE;

 fail:

  if (file)
    grub_file_close (file);

  grub_ntldr_unload ();

  return grub_errno;
}