SCP-153 Adds copyleft licensed code and undeclared component [ KEEP OPEN ] [ SCANOSS GH ACTION EXAMPLE ]

example_codebase/scanoss_engine_component_GPL_licensed.c

@@ -0,0 +1,90 @@
+extern bool first_file;
+int binary_scan(char * input)
+{
+	/* Get file MD5 */
+	char * hexmd5 = strndup(input, MD5_LEN * 2);
+	scanlog("Bin File md5 to be scanned: %s\n", hexmd5);
+	uint8_t bin_md5[MD5_LEN];
+	ldb_hex_to_bin(hexmd5, MD5_LEN * 2, bin_md5);
+	free(hexmd5);
+
+	uint8_t zero_md5[MD5_LEN] = {0xd4,0x1d,0x8c,0xd9,0x8f,0x00,0xb2,0x04,0xe9,0x80,0x09,0x98,0xec,0xf8,0x42,0x7e}; //empty string md5
+
+	if (!memcmp(zero_md5,bin_md5, MD5_LEN)) //the md5 key of an empty string must be skipped.
+		return -1;
+
+	if (ldb_key_exists(oss_file, bin_md5))
+	{
+		scanlog("bin file md5 match\n");
+		char  * file_name = field_n(3,input);
+		int target_len = strchr(file_name,',') - file_name;
+		char * target = strndup(file_name, target_len);
+		scan_data_t * scan =  scan_data_init(target, 1, 1);
+		free(target);
+		memcpy(scan->md5, bin_md5, MD5_LEN);
+		scan->match_type = MATCH_FILE;
+		compile_matches(scan);
+
+		if (scan->best_match)
+		{
+			scanlog("Match output starts\n");
+			if (!quiet)
+				output_matches_json(scan);
+
+			scan_data_free(scan);
+			return 0;
+		}
+		else
+		{
+			scanlog("No best match, scanning binary\n");
+		}
+
+		scan_data_free(scan);
+	}
+
+	binary_match_t result = {NULL, NULL, NULL};
+	int sensibility = 1;
+	while (sensibility < 100)
+	{
+		char * bfp = strdup(input);
+		result = binary_scan_run(bfp, sensibility);
+		free(bfp);
+		if (!result.components)
+			return -1;
+		if (result.components->items > 1 && result.components->headp.lh_first->component->hits > 0)
+			break;
+		component_list_destroy(result.components);
+		free(result.file);
+		free(result.md5);
+		sensibility++;
+	};
+
+	component_list_t * comp_list_sorted = calloc(1, sizeof(component_list_t));
+	component_list_init(comp_list_sorted, 10);
+	struct comp_entry *item = NULL;
+	LIST_FOREACH(item, &result.components->headp, entries)
+	{
+		component_list_add(comp_list_sorted,item->component, sort_by_hits, false);
+	}
+
+	if (!quiet)
+		if (!first_file)
+			printf(",");
+	first_file = false;
+	item = NULL;
+	printf("\"%s\":{\"hash\":\"%s\",\"id\":\"bin_snippet\",\"matched\":[", result.file, result.md5);
+	LIST_FOREACH(item, &comp_list_sorted->headp, entries)
+	{
+		printf("{\"purl\":\"%s\", \"hits\": %d}",item->component->purls[0], item->component->hits);
+		if (item->entries.le_next)
+			printf(",");
+	}
+	printf("]}");
+	component_list_destroy(result.components);
+	free(result.file);
+	free(result.md5);
+	free(comp_list_sorted);
+
+	return 0;
+
+}