static GVariant *
rpmostreed_deployment_gpg_results (OstreeRepo *repo,
                                   const gchar *origin_refspec,
                                   const gchar *csum,
				   gboolean *out_enabled)
{
  GError *error = NULL;
  GVariant *ret = NULL;

  g_autofree gchar *remote = NULL;
  glnx_unref_object OstreeGpgVerifyResult *result = NULL;

  guint n_sigs, i;
  gboolean gpg_verify;
  g_auto(GVariantBuilder) builder;

  g_variant_builder_init (&builder, G_VARIANT_TYPE ("av"));

  if (!ostree_parse_refspec (origin_refspec, &remote, NULL, &error))
    goto out;

  if (remote)
    {
      if (!ostree_repo_remote_get_gpg_verify (repo, remote, &gpg_verify, &error))
	goto out;
    }
  else
    {
      gpg_verify = FALSE;
    }

  *out_enabled = gpg_verify;
  if (!gpg_verify)
    goto out;

#ifdef HAVE_OSTREE_REPO_VERIFY_COMMIT_FOR_REMOTE
  result = ostree_repo_verify_commit_for_remote (repo, csum, remote, NULL, &error);
#else
  result = ostree_repo_verify_commit_ext (repo, csum, NULL, NULL, NULL, &error);
#endif
  if (!result)
      goto out;

  n_sigs = ostree_gpg_verify_result_count_all (result);
  if (n_sigs < 1)
    goto out;

  for (i = 0; i < n_sigs; i++)
    {
      g_variant_builder_add (&builder, "v",
                             ostree_gpg_verify_result_get_all (result, i));
    }

  ret = g_variant_builder_end (&builder);

out:

  /* NOT_FOUND just means the commit is not signed. */
  if (error && !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
    g_warning ("error loading gpg verify result %s", error->message);

  g_clear_error (&error);
  return ret;
}
Esempio n. 2
0
gboolean
install_bundle (XdgAppDir *dir,
                GOptionContext *context,
                int argc, char **argv,
                GCancellable *cancellable,
                GError **error)
{
  gboolean ret = FALSE;
  g_autoptr(GFile) deploy_base = NULL;
  g_autoptr(GFile) file = NULL;
  g_autoptr(GFile) gpg_tmp_file = NULL;
  const char *filename;
  g_autofree char *ref = NULL;
  g_autofree char *origin = NULL;
  gboolean created_deploy_base = FALSE;
  gboolean added_remote = FALSE;
  g_autofree char *to_checksum = NULL;
  g_auto(GStrv) parts = NULL;
  g_autoptr(GBytes) gpg_data = NULL;
  g_autofree char *remote = NULL;
  OstreeRepo *repo;
  g_autoptr(OstreeGpgVerifyResult) gpg_result = NULL;
  g_autoptr(GError) my_error = NULL;
  g_auto(GLnxLockFile) lock = GLNX_LOCK_FILE_INIT;

  if (argc < 2)
    return usage_error (context, "bundle filename must be specified", error);

  filename = argv[1];

  repo = xdg_app_dir_get_repo (dir);

  if (!xdg_app_supports_bundles (repo))
    return xdg_app_fail (error, "Your version of ostree is too old to support single-file bundles");

  if (!xdg_app_dir_lock (dir, &lock,
                         cancellable, error))
    goto out;

  file = g_file_new_for_commandline_arg (filename);

  {
    g_autoptr(GVariant) delta = NULL;
    g_autoptr(GVariant) metadata = NULL;
    g_autoptr(GBytes) bytes = NULL;
    g_autoptr(GVariant) to_csum_v = NULL;
    g_autoptr(GVariant) gpg_value = NULL;

    GMappedFile *mfile = g_mapped_file_new (gs_file_get_path_cached (file), FALSE, error);

    if (mfile == NULL)
      return FALSE;

    bytes = g_mapped_file_get_bytes (mfile);
    g_mapped_file_unref (mfile);

    delta = g_variant_new_from_bytes (G_VARIANT_TYPE (OSTREE_STATIC_DELTA_SUPERBLOCK_FORMAT), bytes, FALSE);
    g_variant_ref_sink (delta);

    to_csum_v = g_variant_get_child_value (delta, 3);
    if (!ostree_validate_structureof_csum_v (to_csum_v, error))
      return FALSE;

    to_checksum = ostree_checksum_from_bytes_v (to_csum_v);

    metadata = g_variant_get_child_value (delta, 0);

    if (!g_variant_lookup (metadata, "ref", "s", &ref))
      return xdg_app_fail (error, "Invalid bundle, no ref in metadata");

    if (!g_variant_lookup (metadata, "origin", "s", &origin))
      origin = NULL;

    gpg_value = g_variant_lookup_value (metadata, "gpg-keys", G_VARIANT_TYPE("ay"));
    if (gpg_value)
      {
        gsize n_elements;
        const char *data = g_variant_get_fixed_array (gpg_value, &n_elements, 1);

        gpg_data = g_bytes_new (data, n_elements);
      }
  }

  parts = xdg_app_decompose_ref (ref, error);
  if (parts == NULL)
    return FALSE;

  deploy_base = xdg_app_dir_get_deploy_dir (dir, ref);
  if (g_file_query_exists (deploy_base, cancellable))
    return xdg_app_fail (error, "%s branch %s already installed", parts[1], parts[3]);

  if (opt_gpg_file != NULL)
    {
      /* Override gpg_data from file */
      gpg_data = read_gpg_data (cancellable, error);
      if (gpg_data == NULL)
        return FALSE;
    }

  /* Add a remote for later updates */
  if (origin != NULL)
    {
      g_auto(GStrv) remotes = ostree_repo_remote_list (repo, NULL);
      int version = 0;

      do
        {
          g_autofree char *name = NULL;
          if (version == 0)
            name = g_strdup_printf ("%s-origin", parts[1]);
          else
            name = g_strdup_printf ("%s-%d-origin", parts[1], version);
          version++;

          if (remotes == NULL ||
              !g_strv_contains ((const char * const *) remotes, name))
            remote = g_steal_pointer (&name);
        }
      while (remote == NULL);
    }

  if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
    return FALSE;

  ostree_repo_transaction_set_ref (repo, remote, ref, to_checksum);

  if (!ostree_repo_static_delta_execute_offline (repo,
                                                 file,
                                                 FALSE,
                                                 cancellable,
                                                 error))
    return FALSE;

  if (gpg_data)
    {
      g_autoptr(GFileIOStream) stream;
      GOutputStream *o;

      gpg_tmp_file = g_file_new_tmp (".xdg-app-XXXXXX", &stream, error);
      if (gpg_tmp_file == NULL)
        return FALSE;
      o = g_io_stream_get_output_stream (G_IO_STREAM (stream));
      if (!g_output_stream_write_all (o, g_bytes_get_data (gpg_data, NULL), g_bytes_get_size (gpg_data), NULL, cancellable, error))
        return FALSE;
    }

  gpg_result = ostree_repo_verify_commit_ext (repo,
                                              to_checksum,
                                              NULL, gpg_tmp_file, cancellable, &my_error);

  if (gpg_tmp_file)
    g_file_delete (gpg_tmp_file, cancellable, NULL);

  if (gpg_result == NULL)
    {
      /* NOT_FOUND means no gpg signature, we ignore this *if* there
       * is no gpg key specified in the bundle or by the user */
      if (g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND) &&
          gpg_data == NULL)
        g_clear_error (&my_error);
      else
        {
          g_propagate_error (error, g_steal_pointer (&my_error));
          return FALSE;
        }
    }
  else
    {
      /* If there is no valid gpg signature we fail, unless there is no gpg
         key specified (on the command line or in the file) because then we
         trust the source bundle. */
      if (ostree_gpg_verify_result_count_valid (gpg_result) == 0  &&
          gpg_data != NULL)
        return xdg_app_fail (error, "GPG signatures found, but none are in trusted keyring");
    }

  if (!ostree_repo_commit_transaction (repo, NULL, cancellable, error))
    return FALSE;

  if (!g_file_make_directory_with_parents (deploy_base, cancellable, error))
    return FALSE;

  /* From here we need to goto out on error, to clean up */
  created_deploy_base = TRUE;

  if (remote)
    {
      g_autoptr(GVariantBuilder) optbuilder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}"));
      g_autofree char *basename = g_file_get_basename (file);

      g_variant_builder_add (optbuilder, "{s@v}",
                             "xa.title",
                             g_variant_new_variant (g_variant_new_string (basename)));

      g_variant_builder_add (optbuilder, "{s@v}",
                             "xa.noenumerate",
                             g_variant_new_variant (g_variant_new_boolean (TRUE)));

      g_variant_builder_add (optbuilder, "{s@v}",
                             "xa.prio",
                             g_variant_new_variant (g_variant_new_string ("0")));

      if (!ostree_repo_remote_add (repo,
                                   remote, origin, g_variant_builder_end (optbuilder), cancellable, error))
        goto out;

      added_remote = TRUE;

      if (gpg_data)
        {
          g_autoptr(GInputStream) gpg_data_as_stream = g_memory_input_stream_new_from_bytes (gpg_data);

          if (!ostree_repo_remote_gpg_import (repo, remote, gpg_data_as_stream,
                                              NULL, NULL, cancellable, error))
            goto out;
        }

      if (!xdg_app_dir_set_origin (dir, ref, remote, cancellable, error))
        goto out;
    }

  if (!xdg_app_dir_deploy (dir, ref, to_checksum, cancellable, error))
    goto out;

  if (!xdg_app_dir_make_current_ref (dir, ref, cancellable, error))
    goto out;

  if (strcmp (parts[0], "app") == 0)
    {
      if (!xdg_app_dir_update_exports (dir, parts[1], cancellable, error))
        goto out;
    }

  glnx_release_lock_file (&lock);

  xdg_app_dir_cleanup_removed (dir, cancellable, NULL);

  if (!xdg_app_dir_mark_changed (dir, error))
    goto out;

  ret = TRUE;

 out:
  if (created_deploy_base && !ret)
    gs_shutil_rm_rf (deploy_base, cancellable, NULL);

  if (added_remote && !ret)
    ostree_repo_remote_delete (repo, remote, NULL, NULL);

  return ret;
}
Esempio n. 3
0
gboolean
ot_admin_builtin_status (int argc, char **argv, GCancellable *cancellable, GError **error)
{
  g_autoptr(GOptionContext) context = NULL;
  glnx_unref_object OstreeSysroot *sysroot = NULL;
  gboolean ret = FALSE;
  glnx_unref_object OstreeRepo *repo = NULL;
  OstreeDeployment *booted_deployment = NULL;
  g_autoptr(GPtrArray) deployments = NULL;
  const int is_tty = isatty (1);
  const char *red_bold_prefix = is_tty ? "\x1b[31m\x1b[1m" : "";
  const char *red_bold_suffix = is_tty ? "\x1b[22m\x1b[0m" : "";
  guint i;

  context = g_option_context_new ("List deployments");

  if (!ostree_admin_option_context_parse (context, options, &argc, &argv,
                                          OSTREE_ADMIN_BUILTIN_FLAG_UNLOCKED,
                                          &sysroot, cancellable, error))
    goto out;

  if (!ostree_sysroot_load (sysroot, cancellable, error))
    goto out;

  if (!ostree_sysroot_get_repo (sysroot, &repo, cancellable, error))
    goto out;

  deployments = ostree_sysroot_get_deployments (sysroot);
  booted_deployment = ostree_sysroot_get_booted_deployment (sysroot);

  if (deployments->len == 0)
    {
      g_print ("No deployments.\n");
    }
  else
    {
      for (i = 0; i < deployments->len; i++)
        {
          OstreeDeployment *deployment = deployments->pdata[i];
          GKeyFile *origin;
          const char *ref = ostree_deployment_get_csum (deployment);
          OstreeDeploymentUnlockedState unlocked = ostree_deployment_get_unlocked (deployment);
          g_autofree char *version = version_of_commit (repo, ref);
          glnx_unref_object OstreeGpgVerifyResult *result = NULL;
          GString *output_buffer;
          guint jj, n_signatures;
          GError *local_error = NULL;

          origin = ostree_deployment_get_origin (deployment);

          g_print ("%c %s %s.%d\n",
                   deployment == booted_deployment ? '*' : ' ',
                   ostree_deployment_get_osname (deployment),
                   ostree_deployment_get_csum (deployment),
                   ostree_deployment_get_deployserial (deployment));
          if (version)
            g_print ("    Version: %s\n", version);
          switch (unlocked)
            {
            case OSTREE_DEPLOYMENT_UNLOCKED_NONE:
              break;
            default:
              g_print ("    %sUnlocked: %s%s\n", red_bold_prefix,
                       ostree_deployment_unlocked_state_to_string (unlocked),
                       red_bold_suffix);
            }
          if (!origin)
            g_print ("    origin: none\n");
          else
            {
              g_autofree char *origin_refspec = g_key_file_get_string (origin, "origin", "refspec", NULL);
              if (!origin_refspec)
                g_print ("    origin: <unknown origin type>\n");
              else
                g_print ("    origin refspec: %s\n", origin_refspec);
            }

          if (deployment_get_gpg_verify (deployment, repo))
            {
              /* Print any digital signatures on this commit. */

              result = ostree_repo_verify_commit_ext (repo, ref, NULL, NULL,
                                                      cancellable, &local_error);

              /* G_IO_ERROR_NOT_FOUND just means the commit is not signed. */
              if (g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
                {
                  g_clear_error (&local_error);
                  continue;
                }
              else if (local_error != NULL)
                {
                  g_propagate_error (error, local_error);
                  goto out;
                }

              output_buffer = g_string_sized_new (256);
              n_signatures = ostree_gpg_verify_result_count_all (result);

              for (jj = 0; jj < n_signatures; jj++)
                {
                  ostree_gpg_verify_result_describe (result, jj, output_buffer, "    GPG: ",
                                                     OSTREE_GPG_SIGNATURE_FORMAT_DEFAULT);
                }

              g_print ("%s", output_buffer->str);
              g_string_free (output_buffer, TRUE);
            }
        }
    }

  ret = TRUE;
 out:
  return ret;
}
Esempio n. 4
0
static gboolean
print_object (OstreeRepo          *repo,
              OstreeObjectType     objtype,
              const char          *checksum,
              GError             **error)
{
  OstreeDumpFlags flags = OSTREE_DUMP_NONE;

  g_autoptr(GVariant) variant = NULL;
  if (!ostree_repo_load_variant (repo, objtype, checksum,
                                 &variant, error))
    return FALSE;
  if (opt_raw)
    flags |= OSTREE_DUMP_RAW;
  ot_dump_object (objtype, checksum, variant, flags);

  if (objtype == OSTREE_OBJECT_TYPE_COMMIT)
    {
      g_autoptr(OstreeGpgVerifyResult) result = NULL;
      g_autoptr(GError) local_error = NULL;
      g_autoptr(GFile) gpg_homedir = opt_gpg_homedir ? g_file_new_for_path (opt_gpg_homedir) : NULL;

      if (opt_gpg_verify_remote)
        {
          result = ostree_repo_verify_commit_for_remote (repo, checksum, opt_gpg_verify_remote,
                                                         NULL, &local_error);
        }
      else
        {
          result = ostree_repo_verify_commit_ext (repo, checksum,
                                                  gpg_homedir, NULL, NULL,
                                                  &local_error);
        }

      if (g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
        {
          /* Ignore */
        }
      else if (local_error != NULL)
        {
          g_propagate_error (error, g_steal_pointer (&local_error));
          return FALSE;
        }
      else
        {
          guint n_sigs = ostree_gpg_verify_result_count_all (result);
          g_print ("Found %u signature%s:\n", n_sigs, n_sigs == 1 ? "" : "s");

          g_autoptr(GString) buffer = g_string_sized_new (256);
          for (guint ii = 0; ii < n_sigs; ii++)
            {
              g_string_append_c (buffer, '\n');
              ostree_gpg_verify_result_describe (result, ii, buffer, "  ",
                                                 OSTREE_GPG_SIGNATURE_FORMAT_DEFAULT);
            }

          g_print ("%s", buffer->str);
        }
    }

  return TRUE;
}