[LTP] [PATCH] metadata: automatically detect CVE via tags

[Cyril Hrubis]

Hi!
>  /*
> - * Add a group to the groups array, skipping 'kernel' as it's too generic.
> - * Returns 0 if no group was added, 1 otherwise.
> + * Add a group to the groups array, skipping path components that are too
> + * generic ('kernel') or assigned from a more reliable source ('cve', which
> + * is derived from the CVE tag instead). Returns 0 if no group was added,
> + * 1 otherwise.
>   */
>  static int add_group(struct data_node *groups, const char *name)
>  {
> -	if (name && strcmp(name, "kernel")) {
> +	if (name && strcmp(name, "kernel") && strcmp(name, "cve")) {
>  		data_node_array_add(groups, data_node_string(name));
>  		return 1;
>  	}
> @@ -971,11 +973,11 @@ static void load_internal_macros(void)
>   * Add groups derived from the source file path.
>   *
>   * Groups are the two nearest parent directories (immediate parent
> - * first), skipping 'kernel' as it's too generic:
> + * first), skipping 'kernel' (too generic) and 'cve' (assigned from the
> + * CVE tag instead, see add_tag_groups()):
>   *
>   *   testcases/kernel/syscalls/clone/clone01.c  -> clone, syscalls
>   *   testcases/kernel/kvm/kvm_pagefault01.c     -> kvm
> - *   testcases/cve/cve-2017-16939.c             -> cve
>   */
>  static void add_path_groups(struct data_node *groups, const char *fname)
>  {
> @@ -1010,6 +1012,35 @@ static void add_path_groups(struct data_node *groups, const char *fname)
>  	free(buf);
>  }
>  
> +/*
> + * Add group to specific test tags.
> + */
> +static void add_tag_groups(struct data_node *groups, struct data_node *res)
> +{
> +	struct data_node *tags = data_node_hash_get(res, "tags");
> +	unsigned int i;
> +
> +	if (!tags || tags->type != DATA_ARRAY)
> +		return;
> +
> +	for (i = 0; i < data_node_array_len(tags); i++) {
> +		struct data_node *tag = tags->array.array[i];
> +		struct data_node *name;
> +
> +		if (tag->type != DATA_ARRAY || !data_node_array_len(tag))
> +			continue;
> +
> +		name = tag->array.array[0];
> +		if (name->type != DATA_STRING)
> +			continue;
> +
> +		if (!strcmp(name->string.val, "CVE")) {
> +			data_node_array_add(groups, data_node_string("cve"));
> +			return;
> +		}

We may as well add group "regression" if there is a linux-git tag
present.

Otherwise it looks good.

-- 
Cyril Hrubis
chrubis@suse.cz