/* Given a pathname @path, split it into individual entries in @out_components,
* validating that it does not have backreferences (`..`) etc.
*/
gboolean
ot_util_path_split_validate (const char *path,
GPtrArray **out_components,
GError **error)
{
if (strlen (path) > PATH_MAX)
return glnx_throw (error, "Path '%s' is too long", path);
g_autoptr(GPtrArray) ret_components = ot_split_string_ptrarray (path, '/');
/* Canonicalize by removing '.' and '', throw an error on .. */
for (int i = ret_components->len-1; i >= 0; i--)
{
const char *name = ret_components->pdata[i];
if (strcmp (name, "..") == 0)
return glnx_throw (error, "Invalid uplink '..' in path %s", path);
if (strcmp (name, ".") == 0 || name[0] == '\0')
g_ptr_array_remove_index (ret_components, i);
}
ot_transfer_out_value(out_components, &ret_components);
return TRUE;
}
gboolean
ot_util_path_split_validate (const char *path,
GPtrArray **out_components,
GError **error)
{
gboolean ret = FALSE;
int i;
gs_unref_ptrarray GPtrArray *ret_components = NULL;
if (strlen (path) > PATH_MAX)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Path '%s' is too long", path);
goto out;
}
ret_components = ot_split_string_ptrarray (path, '/');
/* Canonicalize by removing '.' and '', throw an error on .. */
for (i = ret_components->len-1; i >= 0; i--)
{
const char *name = ret_components->pdata[i];
if (strcmp (name, "..") == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid uplink '..' in path %s", path);
goto out;
}
if (strcmp (name, ".") == 0 || name[0] == '\0')
g_ptr_array_remove_index (ret_components, i);
}
ret = TRUE;
ot_transfer_out_value(out_components, &ret_components);
out:
return ret;
}
