gboolean
ostree_validate_rev (const char *rev,
GError **error)
{
gboolean ret = FALSE;
ot_lptrarray GPtrArray *components = NULL;
if (!ot_util_path_split_validate (rev, &components, error))
goto out;
if (components->len == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid empty rev");
goto out;
}
ret = TRUE;
out:
return ret;
}
static gboolean
write_checksum_file (GFile *parentdir,
const char *name,
const char *sha256,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
gsize bytes_written;
int i;
gs_unref_object GFile *parent = NULL;
gs_unref_object GFile *child = NULL;
gs_unref_object GOutputStream *out = NULL;
gs_unref_ptrarray GPtrArray *components = NULL;
if (!ostree_validate_checksum_string (sha256, error))
goto out;
if (ostree_validate_checksum_string (name, NULL))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Rev name '%s' looks like a checksum", name);
goto out;
}
if (!ot_util_path_split_validate (name, &components, error))
goto out;
if (components->len == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid empty ref name");
goto out;
}
parent = g_object_ref (parentdir);
for (i = 0; i+1 < components->len; i++)
{
child = g_file_get_child (parent, (char*)components->pdata[i]);
if (!gs_file_ensure_directory (child, FALSE, cancellable, error))
goto out;
g_clear_object (&parent);
parent = child;
child = NULL;
}
child = g_file_get_child (parent, components->pdata[components->len - 1]);
if ((out = (GOutputStream*)g_file_replace (child, NULL, FALSE, 0, cancellable, error)) == NULL)
goto out;
if (!g_output_stream_write_all (out, sha256, strlen (sha256), &bytes_written, cancellable, error))
goto out;
if (!g_output_stream_write_all (out, "\n", 1, &bytes_written, cancellable, error))
goto out;
if (!g_output_stream_close (out, cancellable, error))
goto out;
ret = TRUE;
out:
return ret;
}
