C++ (Cpp) grub_auth_register_authenticationの例

コード例 #1

ファイル: password.c プロジェクト: Firef0x/burg-new

static grub_err_t
grub_cmd_password (grub_command_t cmd __attribute__ ((unused)),
		   int argc, char **args)
{
  grub_err_t err;
  char *pass;
  int copylen;

  if (argc != 2)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "two arguments expected");

  pass = grub_zalloc (GRUB_AUTH_MAX_PASSLEN);
  if (!pass)
    return grub_errno;
  copylen = grub_strlen (args[1]);
  if (copylen >= GRUB_AUTH_MAX_PASSLEN)
    copylen = GRUB_AUTH_MAX_PASSLEN - 1;
  grub_memcpy (pass, args[1], copylen);

  err = grub_auth_register_authentication (args[0], check_password, pass);
  if (err)
    {
      grub_free (pass);
      return err;
    }
  grub_dl_ref (my_mod);
  return GRUB_ERR_NONE;
}

コード例 #2

ファイル: password.c プロジェクト: 376473984/TrustedGRUB2

grub_err_t
grub_normal_set_password (const char *user, const char *password)
{
  grub_err_t err;
  char *pass;
  int copylen;

  pass = grub_zalloc (GRUB_AUTH_MAX_PASSLEN);
  if (!pass)
    return grub_errno;
  copylen = grub_strlen (password);
  if (copylen >= GRUB_AUTH_MAX_PASSLEN)
    copylen = GRUB_AUTH_MAX_PASSLEN - 1;
  grub_memcpy (pass, password, copylen);

  err = grub_auth_register_authentication (user, check_password, pass);
  if (err)
    {
      grub_free (pass);
      return err;
    }
  grub_dl_ref (my_mod);
  return GRUB_ERR_NONE;
}

コード例 #3

ファイル: password_pbkdf2.c プロジェクト: AlfredArouna/grub2

static grub_err_t
grub_cmd_password (grub_command_t cmd __attribute__ ((unused)),
		   int argc, char **args)
{
  grub_err_t err;
  char *ptr, *ptr2;
  grub_uint8_t *ptro;
  struct pbkdf2_password *pass;

  if (argc != 2)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Two arguments expected.");

  if (grub_memcmp (args[1], "grub.pbkdf2.sha512.",
		   sizeof ("grub.pbkdf2.sha512.") - 1) != 0)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Incorrect PBKDF2 password.");

  ptr = args[1] + sizeof ("grub.pbkdf2.sha512.") - 1;

  pass = grub_malloc (sizeof (*pass));
  if (!pass)
    return grub_errno;

  pass->c = grub_strtoul (ptr, &ptr, 0);
  if (*ptr != '.')
    {
      grub_free (pass);
      return grub_error (GRUB_ERR_BAD_ARGUMENT, "Incorrect PBKDF2 password.");
    }
  ptr++;

  ptr2 = grub_strchr (ptr, '.');
  if (!ptr2 || ((ptr2 - ptr) & 1) || grub_strlen (ptr2 + 1) & 1)
    {
      grub_free (pass);
      return grub_error (GRUB_ERR_BAD_ARGUMENT, "Incorrect PBKDF2 password.");
    }

  pass->saltlen = (ptr2 - ptr) >> 1;
  pass->buflen = grub_strlen (ptr2 + 1) >> 1;
  ptro = pass->salt = grub_malloc (pass->saltlen);
  if (!ptro)
    {
      grub_free (pass);
      return grub_errno;
    }
  while (ptr < ptr2)
    {
      int hex1, hex2;
      hex1 = hex2val (*ptr);
      ptr++;
      hex2 = hex2val (*ptr);
      ptr++;
      if (hex1 < 0 || hex2 < 0)
	{
	  grub_free (pass->salt);
	  grub_free (pass);
	  return grub_error (GRUB_ERR_BAD_ARGUMENT,
			     "Incorrect PBKDF2 password.");
	}

      *ptro = (hex1 << 4) | hex2;
      ptro++;
    }

  ptro = pass->expected = grub_malloc (pass->buflen);
  if (!ptro)
    {
      grub_free (pass->salt);
      grub_free (pass);
      return grub_errno;
    }
  ptr = ptr2 + 1;
  ptr2 += grub_strlen (ptr2); 
  while (ptr < ptr2)
    {
      int hex1, hex2;
      hex1 = hex2val (*ptr);
      ptr++;
      hex2 = hex2val (*ptr);
      ptr++;
      if (hex1 < 0 || hex2 < 0)
	{
	  grub_free (pass->expected);
	  grub_free (pass->salt);
	  grub_free (pass);
	  return grub_error (GRUB_ERR_BAD_ARGUMENT,
			     "Incorrect PBKDF2 password.");
	}

      *ptro = (hex1 << 4) | hex2;
      ptro++;
    }

  err = grub_auth_register_authentication (args[0], check_password, pass);
  if (err)
    {
      grub_free (pass);
      return err;
    }
  grub_dl_ref (my_mod);
  return GRUB_ERR_NONE;
}