gboolean
ot_remote_builtin_gpg_import (int argc, char **argv, GCancellable *cancellable, GError **error)
{
GOptionContext *context;
glnx_unref_object OstreeRepo *repo = NULL;
g_autoptr(GInputStream) source_stream = NULL;
const char *remote_name;
const char * const *key_ids;
guint imported = 0;
gboolean ret = FALSE;
context = g_option_context_new ("NAME [KEY-ID...] - Import GPG keys");
if (!ostree_option_context_parse (context, option_entries, &argc, &argv,
OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
goto out;
if (argc < 2)
{
ot_util_usage_error (context, "NAME must be specified", error);
goto out;
}
if (opt_stdin && opt_keyrings != NULL)
{
ot_util_usage_error (context, "--keyring and --stdin are mutually exclusive", error);
goto out;
}
remote_name = argv[1];
key_ids = (argc > 2) ? (const char * const *) argv + 2 : NULL;
if (!open_source_stream (&source_stream, cancellable, error))
goto out;
if (!ostree_repo_remote_gpg_import (repo, remote_name, source_stream,
key_ids, &imported, cancellable, error))
goto out;
/* XXX If we ever add internationalization, use ngettext() here. */
g_print ("Imported %u GPG key%s to remote \"%s\"\n",
imported, (imported == 1) ? "" : "s", remote_name);
ret = TRUE;
out:
g_option_context_free (context);
return ret;
}
gboolean
ot_remote_builtin_add (int argc, char **argv, GCancellable *cancellable, GError **error)
{
GOptionContext *context;
glnx_unref_object OstreeRepo *repo = NULL;
const char *remote_name;
const char *remote_url;
char **iter;
g_autofree char *target_name = NULL;
g_autoptr(GFile) target_conf = NULL;
g_autoptr(GVariantBuilder) optbuilder = NULL;
gboolean ret = FALSE;
context = g_option_context_new ("NAME [metalink=|mirrorlist=]URL [BRANCH...] - Add a remote repository");
if (!ostree_option_context_parse (context, option_entries, &argc, &argv,
OSTREE_BUILTIN_FLAG_NONE, &repo, cancellable, error))
goto out;
if (argc < 3)
{
ot_util_usage_error (context, "NAME and URL must be specified", error);
goto out;
}
remote_name = argv[1];
remote_url = argv[2];
optbuilder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}"));
if (argc > 3)
{
g_autoptr(GPtrArray) branchesp = g_ptr_array_new ();
int i;
for (i = 3; i < argc; i++)
g_ptr_array_add (branchesp, argv[i]);
g_ptr_array_add (branchesp, NULL);
g_variant_builder_add (optbuilder, "{s@v}",
"branches",
g_variant_new_variant (g_variant_new_strv ((const char*const*)branchesp->pdata, -1)));
}
/* We could just make users use --set instead for this since it's a string,
* but e.g. when mirrorlist support is added, it'll be kinda awkward to type:
* --set=contenturl=mirrorlist=... */
if (opt_contenturl != NULL)
g_variant_builder_add (optbuilder, "{s@v}",
"contenturl", g_variant_new_variant (g_variant_new_string (opt_contenturl)));
for (iter = opt_set; iter && *iter; iter++)
{
const char *keyvalue = *iter;
g_autofree char *subkey = NULL;
g_autofree char *subvalue = NULL;
if (!ot_parse_keyvalue (keyvalue, &subkey, &subvalue, error))
goto out;
g_variant_builder_add (optbuilder, "{s@v}",
subkey, g_variant_new_variant (g_variant_new_string (subvalue)));
}
if (opt_no_gpg_verify)
g_variant_builder_add (optbuilder, "{s@v}",
"gpg-verify",
g_variant_new_variant (g_variant_new_boolean (FALSE)));
if (!ostree_repo_remote_change (repo, NULL,
opt_if_not_exists ? OSTREE_REPO_REMOTE_CHANGE_ADD_IF_NOT_EXISTS :
OSTREE_REPO_REMOTE_CHANGE_ADD,
remote_name, remote_url,
g_variant_builder_end (optbuilder),
cancellable, error))
goto out;
/* This is just a convenience option and is not as flexible as the full
* "ostree remote gpg-import" command. It imports all keys from a file,
* which is likely the most common case.
*
* XXX Not sure this interacts well with if-not-exists since we don't
* know whether the remote already existed. We import regardless. */
if (opt_gpg_import != NULL)
{
g_autoptr(GFile) file = NULL;
g_autoptr(GInputStream) input_stream = NULL;
guint imported = 0;
file = g_file_new_for_path (opt_gpg_import);
input_stream = (GInputStream *) g_file_read (file, cancellable, error);
if (input_stream == NULL)
goto out;
if (!ostree_repo_remote_gpg_import (repo, remote_name, input_stream,
NULL, &imported, cancellable, error))
goto out;
/* XXX If we ever add internationalization, use ngettext() here. */
g_print ("Imported %u GPG key%s to remote \"%s\"\n",
imported, (imported == 1) ? "" : "s", remote_name);
}
ret = TRUE;
out:
g_option_context_free (context);
return ret;
}
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;
}
