Exemple #1
0
/* Report a GnuTLS error to the user.
   Return true if the error code was successfully handled.  */
static bool
emacs_gnutls_handle_error (gnutls_session_t session, int err)
{
  int max_log_level = 0;

  bool ret;
  const char *str;

  /* TODO: use a Lisp_Object generated by gnutls_make_error?  */
  if (err >= 0)
    return 1;

  max_log_level = global_gnutls_log_level;

  /* TODO: use gnutls-error-fatalp and gnutls-error-string.  */

  str = fn_gnutls_strerror (err);
  if (!str)
    str = "unknown";

  if (fn_gnutls_error_is_fatal (err))
    {
      ret = 0;
      GNUTLS_LOG2 (0, max_log_level, "fatal error:", str);
    }
  else
    {
      ret = 1;

      switch (err)
        {
        case GNUTLS_E_AGAIN:
          GNUTLS_LOG2 (3,
                       max_log_level,
                       "retry:",
                       str);
        default:
          GNUTLS_LOG2 (1,
                       max_log_level,
                       "non-fatal error:",
                       str);
        }
    }

  if (err == GNUTLS_E_WARNING_ALERT_RECEIVED
      || err == GNUTLS_E_FATAL_ALERT_RECEIVED)
    {
      int alert = fn_gnutls_alert_get (session);
      int level = (err == GNUTLS_E_FATAL_ALERT_RECEIVED) ? 0 : 1;
      str = fn_gnutls_alert_get_name (alert);
      if (!str)
	str = "unknown";

      GNUTLS_LOG2 (level, max_log_level, "Received alert: ", str);
    }
  return ret;
}
Exemple #2
0
/* report a GnuTLS error to the user.
   Returns zero if the error code was successfully handled. */
static int
emacs_gnutls_handle_error (gnutls_session_t session, int err)
{
  int max_log_level = 0;

  int ret;
  const char *str;

  /* TODO: use a Lisp_Object generated by gnutls_make_error?  */
  if (err >= 0)
    return 0;

  max_log_level = global_gnutls_log_level;

  /* TODO: use gnutls-error-fatalp and gnutls-error-string.  */

  str = fn_gnutls_strerror (err);
  if (!str)
    str = "unknown";

  if (fn_gnutls_error_is_fatal (err))
    {
      ret = err;
      GNUTLS_LOG2 (0, max_log_level, "fatal error:", str);
    }
  else
    {
      ret = 0;
      GNUTLS_LOG2 (1, max_log_level, "non-fatal error:", str);
      /* TODO: EAGAIN AKA Qgnutls_e_again should be level 2.  */
    }

  if (err == GNUTLS_E_WARNING_ALERT_RECEIVED
      || err == GNUTLS_E_FATAL_ALERT_RECEIVED)
    {
      int alert = fn_gnutls_alert_get (session);
      int level = (err == GNUTLS_E_FATAL_ALERT_RECEIVED) ? 0 : 1;
      str = fn_gnutls_alert_get_name (alert);
      if (!str)
	str = "unknown";

      GNUTLS_LOG2 (level, max_log_level, "Received alert: ", str);
    }
  return ret;
}