static gboolean
update_initramfs (const char       *release,
                  const char       *deploy_target,
                  GCancellable     *cancellable,
                  GError          **error)
{
  gboolean ret = FALSE;
  ot_lfree char *initramfs_name = NULL;
  ot_lobj GFile *initramfs_file = NULL;
  ot_lfree char *last_deploy_path = NULL;

  initramfs_name = g_strconcat ("initramfs-ostree-", release, ".img", NULL);
  initramfs_file = ot_gfile_from_build_path ("/boot", initramfs_name, NULL);
  if (!g_file_query_exists (initramfs_file, NULL))
    {
      ot_lptrarray GPtrArray *mkinitramfs_args = NULL;
      ot_lobj GFile *tmpdir = NULL;
      ot_lfree char *initramfs_tmp_path = NULL;
      ot_lfree char *ostree_vardir = NULL;
      ot_lfree char *ostree_moduledir = NULL;
      ot_lobj GFile *initramfs_tmp_file = NULL;
      ot_lobj GFileInfo *initramfs_tmp_info = NULL;
          
      if (!ostree_create_temp_dir (NULL, "ostree-initramfs", NULL, &tmpdir,
                                   cancellable, error))
        goto out;

      ostree_vardir = g_build_filename (opt_ostree_dir, "var", NULL);
      ostree_moduledir = g_build_filename (opt_ostree_dir, "modules", NULL);

      last_deploy_path = g_build_filename (opt_ostree_dir, deploy_target, NULL);

      mkinitramfs_args = g_ptr_array_new ();
      /* Note: the hardcoded /tmp path below is not actually a
       * security flaw, because we've bind-mounted dracut's view
       * of /tmp to the securely-created tmpdir above.
       */
      ot_ptrarray_add_many (mkinitramfs_args,
                            "linux-user-chroot",
                            "--mount-readonly", "/",
                            "--mount-proc", "/proc",
                            "--mount-bind", "/dev", "/dev",
                            "--mount-bind", ostree_vardir, "/var",
                            "--mount-bind", ot_gfile_get_path_cached (tmpdir), "/tmp",
                            "--mount-bind", ostree_moduledir, "/lib/modules",
                            last_deploy_path,
                            "dracut", "-f", "/tmp/initramfs-ostree.img", release,
                            NULL);
      g_ptr_array_add (mkinitramfs_args, NULL);
          
      g_print ("Generating initramfs using %s...\n", last_deploy_path);
      if (!ot_spawn_sync_checked (NULL, (char**)mkinitramfs_args->pdata, NULL,
                                  G_SPAWN_SEARCH_PATH,
                                  NULL, NULL, NULL, NULL, error))
        goto out;
          
      initramfs_tmp_file = g_file_get_child (tmpdir, "initramfs-ostree.img");
      initramfs_tmp_info = g_file_query_info (initramfs_tmp_file, OSTREE_GIO_FAST_QUERYINFO,
                                              G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
                                              cancellable, error);
      if (!initramfs_tmp_info)
        goto out;

      if (g_file_info_get_size (initramfs_tmp_info) == 0)
        {
          g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                       "Initramfs generation failed, check dracut.log");
          goto out;
        }

      if (!g_file_copy (initramfs_tmp_file, initramfs_file, 0, cancellable, NULL, NULL, error))
        goto out;
          
      g_print ("Created: %s\n", ot_gfile_get_path_cached (initramfs_file));

      (void) ot_gfile_unlink (initramfs_tmp_file, NULL, NULL);
      (void) rmdir (ot_gfile_get_path_cached (tmpdir));
    }

  ret = TRUE;
 out:
  return ret;
}
Beispiel #2
0
gboolean
ot_gio_shutil_rm_rf (GFile        *path,
                     GCancellable *cancellable,
                     GError      **error)
{
  gboolean ret = FALSE;
  ot_lobj GFileEnumerator *dir_enum = NULL;
  ot_lobj GFileInfo *file_info = NULL;
  GError *temp_error = NULL;

  dir_enum = g_file_enumerate_children (path, OSTREE_GIO_FAST_QUERYINFO, 
                                        G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
                                        cancellable, &temp_error);
  if (!dir_enum)
    {
      if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
        {
          g_clear_error (&temp_error);
          ret = TRUE;
        }
      else
        g_propagate_error (error, temp_error);

      goto out;
    }

  while ((file_info = g_file_enumerator_next_file (dir_enum, cancellable, &temp_error)) != NULL)
    {
      ot_lobj GFile *subpath = NULL;
      GFileType type;
      const char *name;

      type = g_file_info_get_attribute_uint32 (file_info, "standard::type");
      name = g_file_info_get_attribute_byte_string (file_info, "standard::name");
      
      subpath = g_file_get_child (path, name);

      if (type == G_FILE_TYPE_DIRECTORY)
        {
          if (!ot_gio_shutil_rm_rf (subpath, cancellable, error))
            goto out;
        }
      else
        {
          if (!ot_gfile_unlink (subpath, cancellable, error))
            goto out;
        }
      g_clear_object (&file_info);
    }
  if (temp_error)
    {
      g_propagate_error (error, temp_error);
      goto out;
    }

  if (!g_file_delete (path, cancellable, error))
    goto out;

  ret = TRUE;
 out:
  return ret;
}