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Added max recusrion depth for cJSONDuplicate to prevent stack exhaustion in case of circular reference

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This commit is contained in:
Nicolas Badoux
2024-08-30 13:36:22 +02:00
committed by Alan Wang
parent 078c4e6c53
commit 9d1b229086
3 changed files with 35 additions and 1 deletions
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18
tests/misc_tests.c
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@@ -219,6 +219,23 @@ static void cjson_should_not_parse_to_deeply_nested_jsons(void)
TEST_ASSERT_NULL_MESSAGE(cJSON_Parse(deep_json), "To deep JSONs should not be parsed.");
}
static void cjson_should_not_follow_too_deep_circular_references(void)
{
cJSON *o = cJSON_CreateArray();
cJSON *a = cJSON_CreateArray();
cJSON *b = cJSON_CreateArray();
cJSON *x;
cJSON_AddItemToArray(o, a);
cJSON_AddItemToArray(a, b);
cJSON_AddItemToArray(b, o);
x = cJSON_Duplicate(o, 1);
TEST_ASSERT_NULL(x);
cJSON_DetachItemFromArray(b, 0);
cJSON_Delete(o);
}
static void cjson_set_number_value_should_set_numbers(void)
{
cJSON number[1] = {{NULL, NULL, NULL, cJSON_Number, NULL, 0, 0, NULL}};
@@ -777,6 +794,7 @@ int CJSON_CDECL main(void)
RUN_TEST(cjson_get_object_item_case_sensitive_should_not_crash_with_array);
RUN_TEST(typecheck_functions_should_check_type);
RUN_TEST(cjson_should_not_parse_to_deeply_nested_jsons);
RUN_TEST(cjson_should_not_follow_too_deep_circular_references);
RUN_TEST(cjson_set_number_value_should_set_numbers);
RUN_TEST(cjson_detach_item_via_pointer_should_detach_items);
RUN_TEST(cjson_detach_item_via_pointer_should_return_null_if_item_prev_is_null);